RedHat SATELLITE SERVER Installation and configuration

Satellite server IP:10.0.0.11

Hostname:(rajat.yeswedeal.com)

OS:RHEL5.3

Satellte client IP:10.0.0.100

Hostname:(client.yeswedeal.com)

OS:RHEL5.3

Minimum Requirements for server:

Intel core processor,2.4GHz,512k cache

Recommended- intel Multi core processor,2.4GHz dual processor,512k cache

Required-2GB RAM

Recommended-8GB RAM

5 GB-Base Install RHEL 5

30 GB storage for software channel including base and child channels /var/satellite

12 GB for database repository /rhnsat

Raid 5

IMPORTENT:

selinux-permissive

firewall-disabled

Valid Subscriptions:a3c5b675a24e93b6

:22b0edc1233bcaed

Download software redhat-rhn-satellite-5.3-server-x86_64-5-embedded-

oracle.iso

RHN Entitlement Certificate

Server:

Log into the machine as root.

Insert the RHN Satellite Server CD containing the installation files or download

the ISO image from the RHN website.

[root@satellite ~]#rhn_register

[root@satellite ~]#yum update

(OR)

Create Repository:

#vi /etc/yum.repos.d/rhel-debuginfo.repo

[Server]

name=Server

baseurl=file:///var/ftp/pub/Server

enabled=1

gpgcheck=0

[EmbeddedDB]

name=EmbeddedDB

baseurl=file:///var/ftp/pub/EmbeddedDB

enabled=1

gpgcheck=0

[Satellite]

name=Satellite

baseurl=file:///var/ftp/pub/Satellite

enabled=1

gpgcheck=0

[root@satellite ~]# mount /dev/cdrom /mnt

mount: block device /dev/cdrom is write-protected, mounting read-only

[root@satellite ~]# cd /mnt

You have mail in /var/spool/mail/root

[root@satellite mnt]# ls

EmbeddedDB install install.pl README Satellite TRANS.TBL updates

[root@satellite mnt]# ./install.pl

* Starting the Red Hat Network Satellite installer.

* Performing pre-install checks.

* Pre-install checks complete. Beginning installation.

* RHN Registration.

** Registration: System is already registered with RHN. Not re-registering.

* Checking for uninstalled prerequisites.

** Checking if yum is available ...

There are some packages from Red Hat Enterprise Linux that are not part

of the @base group that Satellite will require to be installed on this

system. The installer will try resolve the dependencies automatically.

However, you may want to install these prerequisites manually.

Do you want the installer to resolve dependencies [y/N]? y

* Applying updates.

* Installing RHN packages.

* Now running setup.

* Setting up Oracle environment.

* Setting up database.

** Database: Installing the database:

** Database: This is a long process that is logged in:

** Database: /var/log/rhn/install_db.log

*** Progress: ##############################################################

** Database: Installation complete.

** Database: Setting up database connection.

** Database: Testing database connection.

** Database: Populating database.

*** Progress: ############################################################

* Setting up users and groups.

** GPG: Initializing GPG and importing key.

** GPG: Creating /root/.gnupg directory

You must enter an email address.

Admin Email Address? rajat@yeswedeal.com

* Performing initial configuration.

* Activating RHN Satellite.

Where is your satellite certificate file? /root/yeswedeal.cert

** Loading RHN Satellite Certificate.

** Verifying certificate locally.

** Activating RHN Satellite.

* Enabling Monitoring.

* Configuring apache SSL virtual host.

Should setup configure apache's default ssl server for you (saves original

ssl.conf) y/n? y

** /etc/httpd/conf.d/ssl.conf has been backed up to ssl.conf-swsave

* Creating SSL certificates.

CA certificate password?

Re-enter CA certificate password?

Organization? yeswedeal

Organization Unit [satellite.server.com]?

Email Address [rajat@yeswedeal.com]?

City? hyderabad

State? ap

Country code (Examples: "US", "JP", "IN", or type "?" to see a list)? IN

** SSL: Generating CA certificate.

** SSL: Deploying CA certificate.

** SSL: Generating server certificate.

** SSL: Storing SSL certificates.

* Deploying configuration files.

* Update configuration in database.

* Setting up Cobbler..

Cobbler requires tftp and xinetd services be turned on for PXE provisioning

functionality. Enable these services (y/n, default = 'y')?

* Restarting services.

Installation complete.

Visit https://satellite.server.com to create the RHN Satellite administrator

account.

You have new mail in /var/spool/mail/root

[root@satellite mnt]# https://satellite.server.com

[root@satellite ~]# /usr/sbin/rhn-satellite restart

(if need)

For Redhat Channel Importing:

[root@satellite ~]# satellite-sync –list-channels

11:32:55 Red Hat Network Satellite - live synchronization

11:32:55 url: https://satellite.rhn.redhat.com

11:32:55 debug/output level: 1

11:32:58 db: rhnsat/@rhnsat

11:32:58

11:32:58 Retrieving / parsing channel-families data

11:33:04 channel-families data complete

11:33:08

11:33:08 Retrieving / parsing channel data

11:34:31 p = previously imported/synced channel

11:34:31 . = channel not yet imported/synced

11:34:31 base-channels:

11:34:31 . redhat-linux-alpha-6.2 1184

11:34:31 . redhat-linux-alpha-7.0 1412

11:34:31 . redhat-linux-alpha-7.1 1487

11:34:31 . redhat-linux-ee-i386-6.2 13

11:34:31 . redhat-linux-i386-6.2 1357

11:34:31 . redhat-linux-i386-7.0 1615

11:34:31 . redhat-linux-i386-7.1 2046

11:34:31 . redhat-linux-i386-7.2 2338

11:34:31 . redhat-linux-i386-7.3 2481

11:34:31 . redhat-linux-i386-8.0 2316

11:34:31 . redhat-linux-i386-9 1864

11:34:31 . redhat-linux-iSeries-7.1 1135

11:34:31 . redhat-linux-ia64-7.1 1392

11:34:31 . redhat-linux-ia64-7.2 1886

11:34:31 . redhat-linux-pSeries-7.1 1135

11:34:31 . redhat-linux-s390-7.2 1447

11:34:31 . redhat-linux-s390x-7.1 977

11:34:31 . redhat-linux-severn-i386-9.0.93 1455

11:34:31 . redhat-linux-sparc-6.2 1201

11:34:31 . rh-i386-desktop-4 7062

11:34:31 . rh-x86_64-desktop-4 8092

11:34:31 . rhel-i386-as-3 5447

11:34:31 . rhel-i386-as-4 7112

11:34:31 . rhel-i386-client-5 5276

11:34:31 . rhel-i386-desktop-3 4790

11:34:31 . rhel-i386-es-3 5466

11:34:31 . rhel-i386-es-4 7112

11:34:31 . rhel-i386-server-5 6330

11:34:31 . rhel-i386-ws-3 5391

11:34:31 . rhel-i386-ws-4 7062

11:34:31 . rhel-ia64-as-3 5715

11:34:32 . rhel-ia64-as-4 7330

11:34:32 . rhel-ia64-es-3 5251

11:34:32 . rhel-ia64-es-4 7329

11:34:32 . rhel-ia64-server-5 6482

11:34:32 . rhel-ia64-ws-3 5663

11:34:32 . rhel-ia64-ws-4 7285

11:34:32 . rhel-ppc-as-3 5792

11:34:32 . rhel-ppc-as-4 8000

11:34:32 . rhel-ppc-server-5 8222

11:34:32 . rhel-x86_64-as-3 6024

11:34:32 . rhel-x86_64-as-4 8142

11:34:32 . rhel-x86_64-client-5 6188

11:34:32 . rhel-x86_64-desktop-3 5389

11:34:32 . rhel-x86_64-es-3 5529

11:34:32 . rhel-x86_64-es-4 8142

11:34:32 . rhel-x86_64-server-5 8313

11:34:32 . rhel-x86_64-ws-3 5967

11:34:33 . rhel-x86_64-ws-4 8092

11:34:33 . rhemrg-nonlinux-grid-1 0

11:34:33 . rhemrg-nonlinux-messaging-1 0

11:34:33 . severn-beta2-i386 1466

11:34:33 . solaris-sparc-9 0

11:34:33 redhat-linux-alpha-6.2:

11:34:33 . redhat-powertools-alpha-6.2 532

11:34:33 redhat-linux-alpha-7.0:

11:34:33 . redhat-powertools-alpha-7.0 461

11:34:33 redhat-linux-alpha-7.1:

11:34:33 . redhat-powertools-alpha-7.1 459

11:34:33 redhat-linux-i386-6.2:

11:34:33 . redhat-powertools-i386-6.2 584

11:34:33 redhat-linux-i386-7.0:

11:34:33 . redhat-powertools-i386-7.0 520

11:34:33 redhat-linux-i386-7.1:

11:34:33 . redhat-powertools-i386-7.1 541

11:34:33 redhat-linux-i386-7.2:

11:34:33 . k12ltsp-i386-7.2 63

11:34:33 redhat-linux-i386-7.3:

11:34:33 . education-general-i386-7.3 7

11:34:33 . redhat-gcc3.1-i386-7.3 12

11:34:33 . education-k12ltsp-i386-7.3 82

11:34:33 redhat-linux-i386-8.0:

11:34:33 . education-k12ltsp-i386-8.0 122

11:34:33 redhat-linux-i386-9:

11:34:33 . rhn-tools-redhat-linux-i386-9 1536

11:34:33 . education-k12ltsp-i386-9 123

11:34:33 redhat-linux-severn-i386-9.0.93:

11:34:33 . redhat-linux-severn-i386-9.0.93-updates 2388

11:34:33 redhat-linux-sparc-6.2:

11:34:33 . redhat-powertools-sparc-6.2 480

11:34:33 rh-i386-desktop-4:

11:34:33 . rh-i386-desktop-4-fastrack 273

11:34:33 . rhn-tools-rhel-4-desktop-i386 1318

11:34:33 . rh-i386-desktop-4-extras 481

11:34:33 . rh-i386-desktop-4-sdk 1

11:34:33 rh-x86_64-desktop-4:

11:34:33 . rh-x86_64-desktop-4-extras 371

11:34:33 . rhn-tools-rhel-4-desktop-x86_64 1318

11:34:33 . rh-x86_64-desktop-4-fastrack 307

11:34:33 . rh-x86_64-desktop-4-sdk 1

11:34:33 rhel-i386-as-3:

11:34:33 . rhel-i386-as-3-fastrack 56

11:34:33 . rhel-i386-as-3-hwcert 9

11:34:33 . redhat-rhn-proxy-4.0-as-i386-3 118

11:34:33 . redhat-rhn-proxy-4.2-as-i386-3 135

11:34:33 . rhel-3-as-i386-rhds-2 27

11:34:33 . rhel-i386-as-3-cluster 34

11:34:33 . rhn-tools-rhel-3-as-i386 1571

11:34:33 . rhel-i386-as-3-rhcmsys-7.1 1

11:34:33 . redhat-rhn-proxy-4.1-as-i386-3 95

11:34:33 . rhel-i386-as-3-gfs-6 178

11:34:33 . rhis-i386-as-3-rhdirserv 0

11:34:33 . rhel-i386-as-3-devsuite 6

11:34:33 . rhel-i386-as-3-rhdirserv-7.1 8

11:34:33 . rhel-i386-as-3-extras 202

11:34:33 rhel-i386-as-4:

11:34:33 . rhel-i386-as-4-extras 481

11:34:33 . rhel-i386-as-4-mrg-messaging-1 151

11:34:33 . rhel-i386-as-4-hwcert 25

11:34:33 . redhat-rhn-proxy-4.0-as-i386-4 116

11:34:33 . rhel-i386-as-4-appstk-1 517

11:34:33 . rhn-tools-rhel-4-as-i386 1321

11:34:33 . rhel-i386-as-4-rhdirserv-7.1 8

11:34:33 . rhel-i386-as-4-mrg-grid-1 52

11:34:33 . redhat-rhn-proxy-4.2-as-i386-4 124

11:34:33 . rhel-i386-as-4-mrg-management-1 0

11:34:33 . rhel-i386-as-4-fastrack 278

11:34:33 . rhel-i386-as-4-mrg-messaging-base-1 68

11:34:33 . rhel-4-as-i386-rhds-3 163

11:34:33 . redhat-rhn-proxy-5.0-as-i386-4 121

11:34:33 . redhat-rhn-proxy-5.2-as-i386-4 94

11:34:33 . redhat-rhn-proxy-5.3-as-i386-4 78

11:34:33 . rhel-i386-as-4-rhdirserv-8 58

11:34:33 . rhel-i386-as-4-sdk 1

11:34:33 . rhel-i386-as-4-cluster 548

11:34:33 . redhat-rhn-proxy-5.1-as-i386-4 110

11:34:33 . redhat-rhn-proxy-4.1-as-i386-4 93

11:34:33 . rhel-4-as-i386-rhds-2.1 15

11:34:33 . rhel-i386-as-4-rhcmsys-7.1 1

11:34:33 . rhel-i386-as-4-rhcmsys-7.2 100

11:34:33 . rhel-i386-as-4-rhcmsys-7.3 109

11:34:33 . rhel-i386-as-4-gfs-6.1 523

11:34:33 rhel-i386-client-5:

11:34:33 . rhel-i386-client-workstation-fastrack-5 42

11:34:33 . rhel-i386-client-supplementary-5 440

11:34:33 . rhel-i386-client-fastrack-5 127

11:34:33 . rhel-i386-client-workstation-5 2323

11:34:33 . rhel-i386-client-vt-5 170

11:34:33 . rhn-tools-rhel-i386-client-5 422

11:34:33 rhel-i386-desktop-3:

11:34:33 . rhel-i386-desktop-3-extras 179

11:34:33 . rhn-tools-rhel-3-desktop-i386 1474

11:34:33 . rhel-i386-desktop-3-devsuite 6

11:34:33 . rhel-i386-desktop-3-fastrack 55

11:34:33 rhel-i386-es-3:

11:34:33 . rhel-i386-es-3-rhdirserv-7.1 8

11:34:33 . rhel-i386-es-3-cluster 34

11:34:33 . rhel-3-es-i386-rhds-2 27

11:34:33 . rhel-i386-es-3-rhcmsys-7.1 1

11:34:33 . rhn-tools-rhel-3-es-i386 1571

11:34:33 . rhel-i386-es-3-devsuite 6

11:34:33 . rhis-i386-es-3-rhdirserv 0

11:34:33 . rhel-i386-es-3-extras 202

11:34:33 . rhel-i386-es-3-gfs-6 178

11:34:33 . rhel-i386-es-3-fastrack 56

11:34:33 rhel-i386-es-4:

11:34:33 . rhel-i386-es-4-fastrack 278

11:34:33 . rhel-i386-es-4-appstk-1 517

11:34:33 . rhel-i386-es-4-cluster 548

11:34:33 . rhel-4-es-i386-rhds-3 145

11:34:33 . rhel-i386-es-4-sdk 1

11:34:33 . rhel-i386-es-4-gfs-6.1 523

11:34:33 . rhn-tools-rhel-4-es-i386 1318

11:34:33 . rhel-i386-es-4-mrg-management-1 0

11:34:33 . rhel-i386-es-4-rhcmsys-7.1 1

11:34:33 . rhel-i386-es-4-rhcmsys-7.2 100

11:34:33 . rhel-i386-es-4-rhcmsys-7.3 109

11:34:33 . rhel-i386-es-4-mrg-messaging-base-1 68

11:34:33 . rhel-i386-es-4-rhdirserv-8 58

11:34:33 . rhel-i386-es-4-extras 481

11:34:33 . rhel-i386-es-4-rhdirserv-7.1 8

11:34:33 . rhel-i386-es-4-mrg-messaging-1 151

11:34:33 . rhel-i386-es-4-mrg-grid-1 52

11:34:33 . rhel-4-es-i386-rhds-2.1 15

11:34:33 rhel-i386-server-5:

11:34:33 . rhel-i386-server-supplementary-5 485

11:34:33 . rhel-i386-server-productivity-5 1107

11:34:33 . rhn-tools-rhel-i386-server-5 425

11:34:33 . rhel-i386-server-hts-5 14

11:34:33 . rhel-i386-server-5-mrg-management-1 9

11:34:33 . rhel-i386-server-5-mrg-grid-1 72

11:34:33 . rhel-i386-server-vt-5 170

11:34:33 . rhel-i386-server-5-mrg-messaging-1 132

11:34:33 . rhel-i386-server-cluster-5 129

11:34:33 . rhel-i386-server-5-rhcmsys-7.3 0

11:34:33 . rhel-i386-server-cluster-storage-5 186

11:34:33 . rhel-i386-server-fastrack-5 178

11:34:33 . redhat-rhn-proxy-5.2-server-i386-5 89

11:34:33 . rhel-i386-server-5-mrg-realtime-1 155

11:34:33 . rhel-i386-server-5-mrg-messaging-base-1 72

11:34:33 . rhel-i386-server-5-rhcmsys-8 72

11:34:33 . rhel-i386-server-5-appstk-2 400

11:34:33 . redhat-rhn-proxy-5.3-server-i386-5 77

11:34:33 . rhel-i386-server-5-rhdirserv-8 35

11:34:33 rhel-i386-ws-3:

11:34:33 . rhel-i386-ws-3-devsuite 6

11:34:33 . rhel-i386-ws-3-cluster 29

11:34:33 . rhel-3-ws-i386-rhds-2 27

11:34:33 . rhel-i386-ws-3-extras 202

11:34:33 . rhel-i386-ws-3-gfs-6 178

11:34:33 . rhn-tools-rhel-3-ws-i386 1571

11:34:33 . rhel-i386-ws-3-fastrack 55

11:34:33 rhel-i386-ws-4:

11:34:33 . rhel-i386-ws-4-fastrack 273

11:34:33 . rhel-i386-ws-4-cluster 548

11:34:33 . rhel-i386-ws-4-sdk 1

11:34:33 . rhel-i386-ws-4-extras 481

11:34:33 . rhel-i386-ws-4-gfs-6.1 523

11:34:33 . rhel-4-ws-i386-rhds-3 145

11:34:33 . rhn-tools-rhel-4-ws-i386 1318

11:34:33 . rhel-4-ws-i386-rhds-2.1 15

11:34:33 rhel-ia64-as-3:

11:34:33 . rhel-3-as-ia64-rhds-2 27

11:34:33 . rhel-ia64-as-3-devsuite 3

11:34:33 . rhel-ia64-as-3-gfs-6 77

11:34:33 . rhel-ia64-as-3-fastrack 61

11:34:33 . rhel-ia64-as-3-cluster 29

11:34:33 . rhn-tools-rhel-3-as-ia64 1239

11:34:33 . rhel-ia64-as-3-extras 116

11:34:33 . rhel-ia64-as-3-hwcert 9

11:34:33 rhel-ia64-as-4:

11:34:33 . rhn-tools-rhel-4-as-ia64 1257

11:34:33 . rhel-ia64-as-4-cluster 327

11:34:33 . rhel-ia64-as-4-hwcert 25

11:34:33 . rhel-4-as-ia64-rhds-2.1 15

11:34:33 . rhel-ia64-as-4-extras 126

11:34:33 . rhel-ia64-as-4-fastrack 304

11:34:33 . rhel-4-as-ia64-rhds-3 163

11:34:33 . rhel-ia64-as-4-gfs-6.1 255

11:34:33 rhel-ia64-es-3:

11:34:33 . rhel-ia64-es-3-gfs-6 77

11:34:33 . rhel-ia64-es-3-fastrack 61

11:34:33 . rhel-ia64-es-3-devsuite 4

11:34:33 . rhel-3-es-ia64-rhds-2 27

11:34:33 . rhn-tools-rhel-3-es-ia64 1239

11:34:33 . rhel-ia64-es-3-extras 116

11:34:33 . rhel-ia64-es-3-cluster 29

11:34:33 rhel-ia64-es-4:

11:34:33 . rhel-ia64-es-4-extras 126

11:34:33 . rhn-tools-rhel-4-es-ia64 1256

11:34:33 . rhel-4-es-ia64-rhds-3 145

11:34:33 . rhel-4-es-ia64-rhds-2.1 15

11:34:33 . rhel-ia64-es-4-cluster 327

11:34:33 . rhel-ia64-es-4-fastrack 304

11:34:33 . rhel-ia64-es-4-gfs-6.1 255

11:34:33 rhel-ia64-server-5:

11:34:33 . rhel-ia64-server-hts-5 14

11:34:33 . rhel-ia64-server-vt-5 169

11:34:33 . rhel-ia64-server-cluster-5 129

11:34:33 . rhn-tools-rhel-ia64-server-5 421

11:34:33 . rhel-ia64-server-cluster-storage-5 154

11:34:33 . rhel-ia64-server-supplementary-5 102

11:34:33 . rhel-ia64-server-fastrack-5 183

11:34:33 rhel-ia64-ws-3:

11:34:33 . rhel-ia64-ws-3-devsuite 3

11:34:33 . rhel-ia64-ws-3-extras 116

11:34:33 . rhn-tools-rhel-3-ws-ia64 1239

11:34:33 . rhel-ia64-ws-3-cluster 29

11:34:33 . rhel-ia64-ws-3-fastrack 60

11:34:33 . rhel-ia64-ws-3-gfs-6 77

11:34:33 . rhel-3-ws-ia64-rhds-2 27

11:34:33 rhel-ia64-ws-4:

11:34:33 . rhel-4-ws-ia64-rhds-2.1 15

11:34:33 . rhel-ia64-ws-4-fastrack 300

11:34:33 . rhel-4-ws-ia64-rhds-3 145

11:34:33 . rhn-tools-rhel-4-ws-ia64 1256

11:34:33 . rhel-ia64-ws-4-gfs-6.1 255

11:34:33 . rhel-ia64-ws-4-cluster 327

11:34:33 . rhel-ia64-ws-4-extras 126

11:34:33 rhel-ppc-as-3:

11:34:33 . rhel-3-as-ppc-rhds-2 25

11:34:33 . rhel-ppc-as-3-extras 100

11:34:33 . rhel-ppc-as-3-hwcert 16

11:34:33 . rhel-ppc-as-3-fastrack 61

11:34:33 . rhn-tools-rhel-3-as-ppc 15

11:34:33 rhel-ppc-as-4:

11:34:33 . rhel-ppc-as-4-hwcert 33

11:34:33 . rhel-4-as-ppc-rhds-3 169

11:34:33 . rhel-ppc-as-4-extras 308

11:34:33 . rhel-4-as-ppc-rhds-2.1 15

11:34:33 . rhel-ppc-as-4-fastrack 302

11:34:33 . rhel-ppc-as-4-gfs-6.1 186

11:34:33 . rhn-tools-rhel-4-as-ppc 31

11:34:33 . rhel-ppc-as-4-cluster 201

11:34:33 rhel-ppc-server-5:

11:34:33 . rhel-ppc-server-supplementary-5 381

11:34:33 . rhel-ppc-server-cluster-storage-5 73

11:34:33 . rhn-tools-rhel-ppc-server-5 32

11:34:33 . rhel-ppc-server-cluster-5 80

11:34:33 . rhel-ppc-server-hts-5 14

11:34:33 . rhel-ppc-server-fastrack-5 231

11:34:33 rhel-x86_64-as-3:

11:34:33 . rhel-x86_64-as-3-gfs-6 165

11:34:33 . rhel-x86_64-as-3-fastrack 60

11:34:33 . rhel-x86_64-as-3-hwcert 9

11:34:33 . rhel-x86_64-as-3-cluster 29

11:34:33 . rhel-x86_64-as-3-extras 112

11:34:33 . rhel-x86_64-as-3-devsuite 2

11:34:33 . rhn-tools-rhel-3-as-x86_64 1450

11:34:33 rhel-x86_64-as-4:

11:34:33 . rhel-x86_64-as-4-appstk-1 546

11:34:33 . rhel-x86_64-as-4-fastrack 312

11:34:33 . rhel-x86_64-as-4-hwcert 25

11:34:33 . rhel-x86_64-as-4-mrg-management-1 0

11:34:33 . rhel-x86_64-as-4-mrg-messaging-base-1 68

11:34:33 . rhel-x86_64-as-4-extras 370

11:34:33 . rhel-x86_64-as-4-rhcmsys-7.3 109

11:34:33 . rhel-x86_64-as-4-rhcmsys-7.2 100

11:34:33 . rhel-x86_64-as-4-gfs-6.1 535

11:34:33 . rhel-x86_64-as-4-mrg-messaging-1 151

11:34:33 . rhel-x86_64-as-4-rhdirserv-8 58

11:34:33 . rhel-x86_64-as-4-sdk 1

11:34:33 . redhat-rhn-proxy-5.2-as-x86_64-4 94

11:34:33 . rhel-x86_64-as-4-cluster 532

11:34:33 . rhel-4-as-x86_64-rhds-3 163

11:34:33 . redhat-rhn-proxy-5.3-as-x86_64-4 78

11:34:33 . rhn-tools-rhel-4-as-x86_64 1321

11:34:33 . redhat-rhn-proxy-5.1-as-x86_64-4 110

11:34:33 . rhel-x86_64-as-4-mrg-grid-1 52

11:34:33 . rhel-4-as-x86_64-rhds-2.1 15

11:34:33 rhel-x86_64-client-5:

11:34:33 . rhel-x86_64-client-workstation-5 3517

11:34:33 . rhel-x86_64-client-workstation-fastrack-5 77

11:34:33 . rhel-x86_64-client-fastrack-5 157

11:34:33 . rhn-tools-rhel-x86_64-client-5 422

11:34:33 . rhel-x86_64-client-vt-5 254

11:34:33 . rhel-x86_64-client-supplementary-5 634

11:34:33 rhel-x86_64-desktop-3:

11:34:33 . rhn-tools-rhel-3-desktop-x86_64 1427

11:34:33 . rhel-x86_64-desktop-3-extras 89

11:34:33 . rhel-x86_64-desktop-3-fastrack 59

11:34:33 . rhel-x86_64-desktop-3-devsuite 4

11:34:33 rhel-x86_64-es-3:

11:34:33 . rhel-x86_64-es-3-gfs-6 165

11:34:33 . rhel-x86_64-es-3-extras 112

11:34:33 . rhel-x86_64-es-3-cluster 29

11:34:33 . rhel-x86_64-es-3-fastrack 60

11:34:33 . rhel-x86_64-es-3-devsuite 4

11:34:33 . rhn-tools-rhel-3-es-x86_64 1450

11:34:33 rhel-x86_64-es-4:

11:34:33 . rhel-4-es-x86_64-rhds-2.1 15

11:34:33 . rhel-x86_64-es-4-cluster 532

11:34:33 . rhel-x86_64-es-4-mrg-messaging-base-1 68

11:34:33 . rhel-x86_64-es-4-mrg-management-1 0

11:34:33 . rhel-x86_64-es-4-rhcmsys-7.3 109

11:34:33 . rhel-x86_64-es-4-rhcmsys-7.2 100

11:34:33 . rhel-x86_64-es-4-rhdirserv-8 58

11:34:33 . rhel-x86_64-es-4-appstk-1 546

11:34:33 . rhel-x86_64-es-4-fastrack 312

11:34:33 . rhel-x86_64-es-4-mrg-messaging-1 151

11:34:33 . rhel-x86_64-es-4-extras 370

11:34:33 . rhel-x86_64-es-4-mrg-grid-1 52

11:34:33 . rhel-x86_64-es-4-gfs-6.1 535

11:34:33 . rhel-4-es-x86_64-rhds-3 145

11:34:33 . rhn-tools-rhel-4-es-x86_64 1318

11:34:33 . rhel-x86_64-es-4-sdk 1

11:34:33 rhel-x86_64-server-5:

11:34:33 . rhel-x86_64-server-fastrack-5 230

11:34:33 . rhel-x86_64-server-5-mrg-management-1 9

11:34:33 . rhel-x86_64-server-5-appstk-2 439

11:34:33 . rhel-x86_64-server-5-mrg-messaging-base-1 72

11:34:33 . redhat-rhn-proxy-5.2-server-x86_64-5 89

11:34:33 . rhel-x86_64-server-5-rhcmsys-8 72

11:34:33 . rhel-x86_64-server-vt-5 254

11:34:33 . rhel-x86_64-server-cluster-5 129

11:34:33 . rhel-x86_64-server-5-mrg-grid-1 72

11:34:33 . redhat-rhn-proxy-5.3-server-x86_64-5 77

11:34:33 . rhn-tools-rhel-x86_64-server-5 425

11:34:33 . rhel-x86_64-server-5-mrg-messaging-1 132

11:34:33 . rhel-x86_64-server-supplementary-5 689

11:34:33 . rhel-x86_64-server-5-mrg-realtime-1 155

11:34:33 . rhel-x86_64-server-cluster-storage-5 154

11:34:33 . rhel-x86_64-server-5-rhdirserv-8 35

11:34:33 . rhel-x86_64-server-productivity-5 1213

11:34:33 . rhel-x86_64-server-hts-5 14

11:34:33 . rhel-x86_64-server-5-rhcmsys-7.3 0

11:34:33 rhel-x86_64-ws-3:

11:34:33 . rhel-x86_64-ws-3-devsuite 2

11:34:33 . rhel-x86_64-ws-3-extras 112

11:34:33 . rhel-x86_64-ws-3-cluster 29

11:34:33 . rhel-x86_64-ws-3-fastrack 59

11:34:33 . rhn-tools-rhel-3-ws-x86_64 1450

11:34:33 . rhel-x86_64-ws-3-gfs-6 165

11:34:33 rhel-x86_64-ws-4:

11:34:33 . rhel-x86_64-ws-4-gfs-6.1 535

11:34:33 . rhel-x86_64-ws-4-cluster 532

11:34:33 . rhel-4-ws-x86_64-rhds-2.1 15

11:34:33 . rhn-tools-rhel-4-ws-x86_64 1318

11:34:33 . rhel-x86_64-ws-4-sdk 1

11:34:33 . rhel-x86_64-ws-4-fastrack 307

11:34:33 . rhel-4-ws-x86_64-rhds-3 145

11:34:33 . rhel-x86_64-ws-4-extras 370

11:34:33 severn-beta2-i386:

11:34:33 . severn-beta2-i386-updates 1878

11:34:33 solaris-sparc-9:

11:34:33 . solaris-sparc-9-rhdirserv-7.1 0

11:34:33 . solaris-sparc-9-rhcmsys-7.2 0

11:34:33 . solaris-sparc-9-rhdirserv-8 0

11:34:33 . solaris-sparc-9-rhcmsys-7.3 0

11:34:33 . solaris-sparc-9-rhcmsys-7.1 0

11:34:33

Import complete:

Begin time: Sat Dec 26 11:32:55 2009

End time: Sat Dec 26 11:34:33 2009

Elapsed: 0 hours, 1 minutes, 38 seconds

[root@satellite ~]#satellite-sync -c rhel-x86_64-server-5

[root@satellite ~]# satellite-sync -c rhel-x86_64-server-vt-5

[root@satellite ~]# satellite-sync -c rhn-tools-rhel-x86_64-server-5

[root@satellite ~]# satellite-sync

[root@satellite ~]# yum install rhncfg*

[root@satellite ~]# rhn_check

[root@satellite ~]# rhn-actions-control –enable-all

Client Side:

Download the SSL cert to the client:

#cd /usr/share/rhn/

#wget http://rajat.yeswedeal.com/pub/RHN-ORG-TRUSTED-SSL-CERT

Edit the /etc/sysconfig/rhn/up2date file

#vi /etc/sysconfig/rhn/up2date

serverURL=https://rajat.yeswedeal.com/XMLRPC

noSSLServerURL=http://rajat.yeswedeal/XMLRPC

sslCACert=/usr/share/rhn/RHN-ORG-TRUSTED-SSL-CERT

Server Side:Activate Key

Log in to your RHN account or Satellite server as a user with administrative

privileges

Go to systems -> activation keys -> + Create New Key

select universal

Client Side:

#rhn_register

Before resistering the system rename systemID

#mv /etc/sysconfig/rhn/systemID /etc/sysconfig/rhn/systemID.orig

#yum update

# yum install rhncfg*

# rhn_check

# rhn-actions-control --enable-all

For Custom Channel Importing

Server Side:

#useradd rajat

#passwd rajat

Creating the GPG Key and Signing the Package:

#gpg –gen-key

select RSA

#gpg –fingerprint

#gpg --export --armor > /var/www/html/pub/CUSTOM-GPG-KEY

Then edit/create the ~/.rpmmacros file to have:

#vi ~/.rpmmacros

%_signature gpg

%_gpg_name rajat (good) < rajat@yeswedeal.com >

Client Side:

#rpm --import http://rajat.yeswedeal.com/pub/CUSTOM-GPG-KEY

Server Side:

Create the Channel

1.Goto channel tab

2.Manage Software channels

3.Create new channel

4. Use http://rajat.yeswedeal.com/pub/CUSTOM-GPG-KEY for the Key Location

5.Save channel

Popluating the Channel:

To populate the channel, run the following command from the satellite

#rpm --resign vsftpd-2.0.5-12.el5.x86_64.rpm

#rhnpush --channel repository --server rajat.yeswedeal.com vsftpd-2.0.5-

12.el5.x86_64.rpm

Client Side:

#yum clean all

#yum update

#yum install vsftpd-2.0.5-12.el5.x86_64.rpm

How to configure kickstart with remote installation RedHat /CentOs

###KickStart [Unattended Installation]###
Kickstart helps to install system unattended. It uses kickstart configuration file and dhcp service for this.
In windows systems kickstart file is known as answer file.

###These are the steps happening.###
Server[dhcp+ks] client
1. asks IP and location of kickstart file
2.gives the info
3. Takes the ks.cfg file and mounts share of OS

###dhcp [nfs/ftp/http] + ks.cfg [nfs]###
The dhcp is using for getting IP for the client machine at first for instation and to get the location of Ks.cfg file. The remote installation image can be of NFS,HTTP or FTP. The kickstar file will be shared using NFS.

###KickStart Configuration###
package = system-config-kickstart
#yum -y install system-config-kickstart
#system-config-kickstart


Basic configuration
Default Language = English USA
Keyboard = U S English
Time Zone = Asia/Culcutta
Root Password = redhat
Confirm Password = redhat
check the encryption box
Target Architecture = x86,AMD64 or Intel EM64T
Check the reboot checkbox

Installation Method
Installaton method = Perform new installation
Choose the Installation Method = NFS //You can use HTTP or FTP if you want
NFS server = IP of the machine which contains NFS image of DVD
NFS directory = Path of NFS share

Boot Loader options
Install New Boot Loader
Use GRUB password if required
Install boot loader on MBR

Partition Information
Do not clear MBR
Remove all exisiting partitions //Removing linux partitions only wont work all time. Windows partitions will be deleted.
click add button and configure as required

Network Configuration
Click Add Network Devices button
Select the network device which is connected to ur machine
network type = DHCP or STATIC [manual]

Authentication
Authentication Configuration
check use shadow passwords
check use MD5

Firewall Configuration
Firewall Configuration
Security level = Disable firewall
SELinux = Disabled

Display Configuration
Check Configure the x-window system
In General Tab
Color Depth Resolution
8 1024*768 //Default 640*480 will give a blurred image
Default Desktop
Check Gnome
Check Start X window system on Boot

package selection
Nothing to do //We will add package lines

Pre-Installation Script
Add if wanted

Post-Installation Script
Add if wanted

Configuration over. Save the file. Open the file for further editing.
#vi ks.cfg

Add these lines - Otherwise it wont work.
key --skip
%packages

And these lines for Graphics

@admin-tools
@base
@base-x
@core
@dialup
@editors
@games
@gnome-desktop
@graphical-internet
@graphics
@java
@office
@printing
@sound-and-video
@text-internet

###Make it as NFS share###
copy the ks.cfg file to some dir and share it via NFS

#mkdir /kick
#cp ks.cfg /kick/


#vi /etc/exports
/kick *()

#exportfs -a

###DHCP Configuration###
Add these lines to DHCP Configuration file
#vi /etc/dhcpd.conf

filename "/kick/ks.cfg";
next-server 192.168.1.11; // [ip of the machine which contains kickstart file(ks.cfg)]

#service dhcpd restart
#service nfs restart

###Installation###

#Boot: linux ks
Have a break. The system will be ready when you get back!

Samba PDC domain controller on RedHat /Cent OS

Samba PDC is used for centralized authentication and domain control of Windows
operating systems.

Here we will set a samba PDC machine with domain name lap.work and create some
users. And we will check whether these users are able to login to this domain from different
machines.

In this example we are working on rhel5. It will also work on other distributions like RedHat, Centos, Fedora, etc.

Samba PDC Machine:
rhel 5.4
IP : 192.168.0.1

Windows Client:
Windows  XP Professional SP2
Computer Name : lap-xp
Domain Name : lap.work
IP : 192.168.0.2

Installation:

Install samba packages:
[root@sambapdc ~]# yum install samba*

Configuration:

open the samba configuration file and make the following edits.
[root@sambapdc ~]# vim /etc/samba/smb.conf

Uncomment or edit the lines as shown below.

In global settings:

workgroup = lap.work #domain name
server string = Samba PDC Server #as host name. just to identify
netbios name = samba #netbios name for communication
local master = yes
preferred master = yes
domain master = yes
domain logons = yes
logon path = \\%L\Profiles\%U #profile entry
security = user
passdb backend = tdbsam

In share definishions:

[homes]
browseable = yes
writable = yes

[netlogon]
path = /home/netlogon
writable = no

[Profiles]
path = /home/profiles
create mask = 0755
directory mask = 0755
writable = yes #should give. Else you will get ACCESS DENIED errors

Now create the following directories:

[root@sambapdc ~]# mkdir -m 1777 /home/profiles
[root@sambapdc ~]# mkdir -m 1777 /home/netlogon

Attaching a windows machine:

Now create a group named machine and add a user with the name of windows client
[root@sambapdc ~]# groupadd -g 200 machine
[root@sambapdc ~]# useradd -d /dev/null -g 200 -s /sbin/nologin lap-xp$
Where lap-xp is the name of the machine we are attaching to samba PDC
[root@sambapdc ~]# smbpasswd -m -a lap-xp

Start the samba service:

[root@sambapdc ~]# service smb start
[root@sambapdc ~]# chkconfig smb on
Run testparm and test your configuration settings:
[root@sambapdc ~]# testparm
[root@sambapdc ~]# smbpasswd -a root
[root@sambapdc ~]# smbpasswd -e root

Add two more users for testing:

#useradd user1
#smbpasswd -a user1
#smbpasswd -e user
#useradd user2
#smbpasswd -a user2
#smbpasswd -e user2
[root@sambapdc ~]# service smb restart

On windows machine:

Right click the My Computer icon
Take properties
Take Computer name tab
Add the system to lap.work domain
you will be prompted for a username and password. Give root and its password.
System may need to restart

you can see that when we are logged as user1 a directory user1 will be created in /home/profiles
in samba PDC machine. This will be the home directory of that user. He will he able to login
from all machines in this domain and will be getting to this same directory.
:)

RedHat /Cent OS/ Fedora/ Ubuntu TOP command

TOP

Top command provides a real-time look at what is happening with your system. Top produces so much output that a new user may get over whelmed with all thats presented and what it means.

Lets take a look at TOP one line at a time. The server has been flooded with http requests to create some load on the server.

top output:

top - 22:09:08 up 14 min,  1 user,  load average: 0.21, 0.23, 0.30
Tasks:  81 total,   1 running,  80 sleeping,   0 stopped,   0 zombie
Cpu(s):  9.5%us, 31.2%sy,  0.0%ni, 27.0%id,  7.6%wa,  1.0%hi, 23.7%si,  0.0%st
Mem:    255592k total,   167568k used,    88024k free,    25068k buffers
Swap:   524280k total,        0k used,   524280k free,    85724k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
 3166 apache    15   0 29444 6112 1524 S  6.6  2.4   0:00.79 httpd
 3161 apache    15   0 29444 6112 1524 S  5.9  2.4   0:00.79 httpd
 3164 apache    15   0 29444 6112 1524 S  5.9  2.4   0:00.75 httpd
 3169 apache    15   0 29444 6112 1524 S  5.9  2.4   0:00.74 httpd
 3163 apache    15   0 29444 6112 1524 S  5.6  2.4   0:00.76 httpd
 3165 apache    15   0 29444 6112 1524 S  5.6  2.4   0:00.77 httpd
 3167 apache    15   0 29444 6112 1524 S  5.3  2.4   0:00.73 httpd
 3162 apache    15   0 29444 6112 1524 S  5.0  2.4   0:00.77 httpd
 3407 root      16   0  2188 1012  816 R  1.7  0.4   0:00.51 top
  240 root      15   0     0    0    0 S  0.3  0.0   0:00.08 pdflush
  501 root      10  -5     0    0    0 S  0.3  0.0   0:01.20 kjournald
 2794 root      18   0 12720 1268  560 S  0.3  0.5   0:00.73 pcscd
    1 root      15   0  2060  636  544 S  0.0  0.2   0:03.81 init
    2 root      RT  -5     0    0    0 S  0.0  0.0   0:00.00 migration/0
    3 root      34  19     0    0    0 S  0.0  0.0   0:00.00 ksoftirqd/0
    4 root      RT  -5     0    0    0 S  0.0  0.0   0:00.00 watchdog/0
    5 root      10  -5     0    0    0 S  0.0  0.0   0:00.07 events/0

The first line in top:

top - 22:09:08 up 14 min,  1 user,  load average: 0.21, 0.23, 0.30

“22:09:08″ is the current time; “up 14 min” shows how long the system has been up for; “1 user” how many users are logged in; “load average: 0.21, 0.23, 0.30″ the load average of the system (1minute, 5 minutes, 15 minutes).

Load average is an extensive topic and to understand its inner workings can be daunting. The simplest of definitions states that load average is the cpu utilization over a period of time. A load average of 1 means your cpu is being fully utilized and processes are not having to wait to use a CPU. A load average above 1 indicates that processes need to wait and your system will be less responsive. If your load average is consistently above 3 and your system is running slow you may want to upgrade to more CPU’s or a faster CPU.

The second line in top:

Tasks:  82 total,   1 running,  81 sleeping,   0 stopped,   0 zombie

Shows the number of processes and their current state.

The third lin in top:

Cpu(s):  9.5%us, 31.2%sy,  0.0%ni, 27.0%id,  7.6%wa,  1.0%hi, 23.7%si,  0.0%st

Shows CPU utilization details. “9.5%us” user processes are using 9.5%; “31.2%sy” system processes are using 31.2%; “27.0%id” percentage of available cpu; “7.6%wa” time CPU is waiting for IO.

When first analyzing the Cpu(s) line in top look at the %id to see how much cpu is available. If %id is low then focus on %us, %sy, and %wa to determine what is using the CPU.

The fourth and fifth lines in top:

Mem:    255592k total,   167568k used,    88024k free,    25068k buffers
Swap:   524280k total,        0k used,   524280k free,    85724k cached

Describes the memory usage. These numbers can be misleading. “255592k total” is total memory in the system; “167568K used” is the part of the RAM that currently contains information; “88024k free” is the part of RAM that contains no information; “25068K buffers and 85724k cached” is the buffered and cached data for IO.

So what is the actual amount of free RAM available for programs to use ?

The answer is: free + (buffers + cached)

88024k + (25068k + 85724k) = 198816k

How much RAM is being used by progams ?

The answer is: used – (buffers + cached)

167568k – (25068k + 85724k) = 56776k

The processes information:

Top will display the process using the most CPU usage in descending order. Lets describe each column that represents a process.

 PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
3166 apache    15   0 29444 6112 1524 S  6.6  2.4   0:00.79 httpd

PID – process ID of the process

USER – User who is running the process

PR – The priority of the process

NI – Nice value of the process (higher value indicates lower priority)

VIRT – The total amount of virtual memory used

RES – Resident task size

SHR – Amount of shared memory used

S – State of the task. Values are S (sleeping), D (uninterruptible sleep), R (running), Z(zombies), or T (stopped or traced)

%CPU – Percentage of CPU used

%MEM – Percentage of Memory used

TIME+ – Total CPU time used

COMMAND – Command issued

Interacting with TOP

Now that we are able to understand the output from TOP lets learn how to change the way the output is displayed.

Just press the following key while running top and the output will be sorted in real time.

M – Sort by memory usage

P – Sort by CPU usage

T – Sort by cumulative time

z – Color display

k – Kill a process

q – quit

If we want to kill the process with PID 3161, then press “k” and a prompt will ask you for the PID number, and enter 3161.

Command Line Parameters with TOP

You can control what top displays by issuing parameters when you run top.

- d – Controls the delay between refreshes

- p – Specify the process by PID that you want to monitor

-n – Update the display this number of times and then exit

If we want to only monitor the http process with a PID of 3166

$ top -p 3166

If we want to change the delay between refreshes to 5 seconds

$ top -d 5

Howto Convert Ext3 filesystem to Ext4 Filesystem without Reinstalling OS in Fedora/CentOS/Ubuntu

Things to remember

• Unmount the filesystem before convert
• Filesystem must be non-root

This way you can improve the performance, storage limits and features of your existing filesystem without reformatting and/or reinstalling your OS and softwares.
First, unmount the partition: umount /dev/sda2 (change sda2 with your Drive)
Next, run a filesystem check on it to make sure it is in sane condition.

fsck.ext3 -pf /dev/sda2

Enable new features of ext4 on the filesystem

tune2fs -O extents,uninit_bg,dir_index  /dev/sda2

Run a filesystem check. to make sure that the filesystem is now clean.

fsck -pf /dev/sda2

Now edit your /etc/fstab file and replace "ext3" with "ext4" for /dev/sda1. Other options may differ for your system.

/dev/sda2  /disk ext4 defaults 0 2

Try to mount your new ext4 filesystem: mount /disk

Create your own Forums on Cent OS AMIs

[ec2-user@ip-10-112-7-1 ~]$ sudo yum install  mysql mysql-server httpd php php-mysql php-gd php-imap php-ldap php-odbc php-pear php-xml php-xmlrpc phpmyadmin

[ec2-user@ip-10-112-7-1 ~]$ sudo service httpd restart
Stopping httpd:                                            [FAILED]
Starting httpd:                                            [  OK  ]
[ec2-user@ip-10-112-7-1 ~]$ sudo service mysqld restart
Stopping mysqld:                                           [  OK  ]
Initializing MySQL database:  Installing MySQL system tables...
OK
Filling help tables...
OK

To start mysqld at boot time you have to copy
support-files/mysql.server to the right place for your system

PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER !
To do so, start the server, then issue the following commands:

/usr/bin/mysqladmin -u root password 'new-password'
/usr/bin/mysqladmin -u root -h ip-10-112-7-1 password 'new-password'

Alternatively you can run:
/usr/bin/mysql_secure_installation

which will also give you the option of removing the test
databases and anonymous user created by default.  This is
strongly recommended for production servers.

See the manual for more instructions.

You can start the MySQL daemon with:
cd /usr ; /usr/bin/mysqld_safe &

You can test the MySQL daemon with mysql-test-run.pl
cd /usr/mysql-test ; perl mysql-test-run.pl

Please report any problems with the /usr/bin/mysqlbug script!

                                                           [  OK  ]
Starting mysqld:                                           [  OK  ]

[ec2-user@ip-10-112-7-1 ~]$ wget http://vanillaforums.org/uploads/addons/LABOJ70HFYO0.zip
--2010-12-06 05:41:39--  http://vanillaforums.org/uploads/addons/LABOJ70HFYO0.zip
Resolving vanillaforums.org... 67.23.13.227
Connecting to vanillaforums.org|67.23.13.227|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 2977490 (2.8M) [application/zip]
Saving to: “LABOJ70HFYO0.zip”

100%[======================================>] 2,977,490   3.36M/s   in 0.8s  

2010-12-06 05:41:40 (3.36 MB/s) - “LABOJ70HFYO0.zip” saved [2977490/2977490]

[ec2-user@ip-10-112-7-1 ~]$ unzip LABOJ70HFYO0.zip -d /var/www/html

Backup and Restore a Subversion Repository

First, here's how back up the repository to a compressed file:

$ svnadmin dump /path/to/repo | gzip > backup.gz

And how to restore it:

$ gunzip -c backup.gz | svnadmin load /path/to/repo

Those commands are meant for UNIX or Linux so you will have to adapt 
them if you are running Windows. It shouldn't be too difficult to do so,
 especially if you are using Cygwin.

What is the difference between Hard Link and Soft Link in Linux

Hard link: Hard link refers to "The specific location of physical data".

• Hard Link is a mirror copy of the original file.
• Hard links share the same inode.
• Any changes made to the original or Hard linked file will reflect the other.
• Even if you delete any one of the files, nothing will happen to the other hard links.
• But soft link which points to deleted hard link become a dangling soft link.
• You can't link a directory even within the same file system.
• Hard links can't cross file systems.

Soft link( also called symbolic link): Soft link refers to "A symbolic path indicating the abstract location of another file".

• Soft Link is a symbolic link to the original file.(more like windows shortcuts)
• Soft Links will have a different Inode value.
• Any changes made to the soft link will reflect the original file and its hard links.
• A soft link points to the original file. If you delete the original file, the soft link fails. It would become dangling symbolic link.
• If you delete the soft link, nothing will happen.
• You can link a directory using soft link on same file system and also on other file system.
• Soft links can cross file systems

Hindi FM Live Radio Internet Streaming Online

More List of Hindi Internet Radio Stations Online

• Humsafar Radio
• Planet Radio City
• Sunrise Radio
• Akash Radio
• Taal FM
• Internet Radio India
• City 101.6 FM Dubai
• Desi Soundz Radio
• Bollywood Hungama
• Radio Maska
• Mastradio FM
• Afsana FM
• Radio Nimbooda
• Radio Mirchi 98.3 FM
• Craze FM
• Apna Radio
• Radio Tarana
• Teentaal
• Punjabi FM
• Bollywood Music Radio
• Sada Radio
• Makeni Broadcasting Online
• GuyanaNJ FM
• FM 100 Lahore
• Punjab Live Radio
• Desi Radio
• Radio NRI
• Bombay Beats FM

Bare Metal Recovery Solution Mondo Backup

Here's an interesting alternative to using CloneZilla and the likes for Bare Metal Recovery:

Mondo Rescue is a free (GPL) powerful disaster recovery suite for Linux (i386, x86_64, ia64) and FreeBSD (i386). It's packaged for multiple distributions (RedHat, RHEL, SuSE, SLES, Mandriva, Debian, Gentoo). It's basically the Linux equivalent of the powerful AIX mkcd / mkdvd.

It supports backups to tapes, disks, network and CD/DVD. It also supports multiple filesystems (ext2, ext3, JFS, XFS, ResierFS, VFAT and even NTFS), LVM, software and hardware Raid.

Example of using Mondo Rescue:

Generate a bootable DVD that also backs up /etc and can recover files running mondorestore:

# mondoarchive -OVr -d /dev/dvd -9 -I /etc -gF

Another interesting tool worth checking out is System Imager (automates Linux installs).

Configuring Sendmail RedHat /CentOS/Fedora

Configuring it is very simple. First you'll need the sendmail-cf package. Install it using yum:

[root@mail-server ~]# yum install sendmail-cf

Edit the file /etc/mail/sendmail.mc and add the following lines. Make sure you set your mail server domain name where it's bolded:

MASQUERADE_AS(yourdomain.com)dnl
MASQUERADE_DOMAIN(yourdomain.com)dnl

In the same file /etc/mail/sendmail.mc remove the "dnl" from the beginning of the lines so it will look like this:

LOCAL_DOMAIN(`localhost.localdomain')dnl
FEATURE(masquerade_envelope)dnl
FEATURE(masquerade_entire_domain)dnl

Save the file and compile it using m4:

[root@mail-server ~]# m4 /etc/mail/sendmail.mc > /etc/sendmail.cf

Send Sendmail a -HUP signal using kill or simply restart the daemon for the configuration changes to take effect:

[root@mail-server ~]# service sendmail restart

Testing your configuration using sendmail

And that's it! you're done. Just send yourself a test email to make sure it is really working:

[root@mail-server ~]# /usr/sbin/sendmail -t < mail.txt

Where the contents of the mail.txt file are:

Date: Wed Dec 1 08:41:54 2010
To: you@somewhere.com
Subject: The subject of the message
From: whatever@somewhere.com Body of message goes here

Testing your configuration using mutt

You can also use mutt to test, which is a bit simpler (and you can also add the -a parameter for file attachment):

[root@mail-server ~]# mutt -s "Test Email" you@somewhere.com < /dev/null

Creating an ISO from a DVD MAC

From within Terminal (Applications->Utilities->Terminal)


You can determine the device that is you CD/DVD drive using the following command:

drutil status



Vendor   Product           Rev 
 MATSHITA DVD-R   UJ-875    DB09


           Type: DVD-R                Name: /dev/disk1
       Sessions: 1                  Tracks: 1 
   Overwritable:   00:00:00         blocks:        0 /   0.00MB /   0.00MiB
     Space Free:   00:00:00         blocks:        0 /   0.00MB /   0.00MiB
     Space Used:  425:20:48         blocks:  1914048 /   3.92GB /   3.65GiB
    Writability: 
      Book Type: DVD-R (v5)
       Media ID: SONY16D1

Now you will need to umount the disk with the following command:

diskutil unmountDisk disk1

Now you can write the ISO file with the dd utility:

dd if=/dev/disk1 of=dvd.iso

When finished you will want to remount the disk:

diskutil mountDisk disk1

Find WWN’s on RedHat /Cent OS

To find port and node WWN’s while the system is running:

• 2.4.x Kernels
  > cat /proc/scsi/[hba_type]/(n)
  where hba_type is the driver (e.g. lpfc for Emulex) and (n) is the HBA number.
• 2.6.x Kernels:
  > cat /sys/class/scsi_host/host(n)/[port_name|node_name]
  Hosts with multiple HBAs are enumerated via host(n) (e.g host0).

You can use lsmod to determine which driver is in use.

:)

Automated Bankup for Postgrsql

#! /bin/bash
# backup-postgresql.sh
# this script is public domain.  feel free to use or modify as you like.

DUMPALL=”/usr/bin/pg_dumpall”
PGDUMP=”/usr/bin/pg_dump”
PSQL=”/usr/bin/psql”

# directory to save backups in, must be rwx by postgres user
BASE_DIR=”/var/backups/postgres”
YMD=$(date “+%Y-%m-%d”)
DIR=”$BASE_DIR/$YMD”
mkdir -p $DIR
cd $DIR

# get list of databases in system , exclude the tempate dbs
DBS=$($PSQL -l -t | egrep -v ‘template[01]‘ | awk ‘{print $1}’)

# first dump entire postgres database, including pg_shadow etc.
$DUMPALL -D | gzip -9 > “$DIR/db.out.gz”

# next dump globals (roles and tablespaces) only
$DUMPALL -g | gzip -9 > “$DIR/globals.gz”

# now loop through each individual database and backup the schema and data separately
for database in $DBS; do
SCHEMA=$DIR/$database.schema.gz
DATA=$DIR/$database.data.gz

# export data from postgres databases to plain text
$PGDUMP -C -c -s $database | gzip -9 > $SCHEMA

# dump data
$PGDUMP -a $database | gzip -9 > $DATA
done

# delete backup files older than 30 days
OLD=$(find $BASE_DIR -type d -mtime +30)
if [ -n "$OLD" ] ; then
echo deleting old backup files: $OLD
echo $OLD | xargs rm -rfv
fi