Linux performance observability tools

Openstack 5 on CentOS 7

CentOS 7 Install minimal.

Step 1 wget http://dl.fedoraproject.org/pub/epel/beta/7/x86_64/epel-release-7-0.2.noarch.rpm
Step 2 vi /etc/sysconfig/selinux  # Set:  SELINUX=permissive
Step 3 yum update -y
Step 4 systemctl disable NetworkManager
Step 5 yum install ntp -y
Step 6 systemctl disable firewalld #Openstack dont understand firewalld rules
Step 7 vi /etc/ntp.conf
server 1.in.pool.ntp.org
server 1.asia.pool.ntp.org
server 0.asia.pool.ntp.org
Step 8 vi /etc/hosts
192.168.122.113 guggle.co.in. # Openstack need static ip address.
Step 9 yum install -y http://rdo.fedorapeople.org/rdo-release.rpm
Step 10 yum install -y openstack-packstack
Step 11 packstack --gen-answer-file=/root/answers.txt
Step 12 packstack --answer-file=/root/answers.txt
Welcome to Installer setup utility
Packstack changed given value  to required value /root/.ssh/id_rsa.pub

Installing:
Clean Up                                             [ DONE ]
Setting up ssh keys                                  [ DONE ]
Discovering hosts' details                           [ DONE ]
Adding pre install manifest entries                  [ DONE ]
Preparing servers                                    [ DONE ]
Adding AMQP manifest entries                         [ DONE ]
Adding MySQL manifest entries                        [ DONE ]
Adding Keystone manifest entries                     [ DONE ]
Adding Glance Keystone manifest entries              [ DONE ]
Adding Glance manifest entries                       [ DONE ]
Adding Cinder Keystone manifest entries              [ DONE ]
Adding Cinder manifest entries                       [ DONE ]
Checking if the Cinder server has a cinder-volumes vg[ DONE ]
Adding Nova API manifest entries                     [ DONE ]
Adding Nova Keystone manifest entries                [ DONE ]
Adding Nova Cert manifest entries                    [ DONE ]
Adding Nova Conductor manifest entries               [ DONE ]
Creating ssh keys for Nova migration                 [ DONE ]
Gathering ssh host keys for Nova migration           [ DONE ]
Adding Nova Compute manifest entries                 [ DONE ]
Adding Nova Scheduler manifest entries               [ DONE ]
Adding Nova VNC Proxy manifest entries               [ DONE ]
Adding Openstack Network-related Nova manifest entries[ DONE ]
Adding Nova Common manifest entries                  [ DONE ]
Adding Neutron API manifest entries                  [ DONE ]
Adding Neutron Keystone manifest entries             [ DONE ]
Adding Neutron L3 manifest entries                   [ DONE ]
Adding Neutron L2 Agent manifest entries             [ DONE ]
Adding Neutron DHCP Agent manifest entries           [ DONE ]
Adding Neutron LBaaS Agent manifest entries          [ DONE ]
Adding Neutron Metering Agent manifest entries       [ DONE ]
Adding Neutron Metadata Agent manifest entries       [ DONE ]
Adding OpenStack Client manifest entries             [ DONE ]
Adding Horizon manifest entries                      [ DONE ]
Adding Swift Keystone manifest entries               [ DONE ]
Adding Swift builder manifest entries                [ DONE ]
Adding Swift proxy manifest entries                  [ DONE ]
Adding Swift storage manifest entries                [ DONE ]
Adding Swift common manifest entries                 [ DONE ]
Adding Provisioning Demo manifest entries            [ DONE ]
Adding MongoDB manifest entries                      [ DONE ]
Adding Ceilometer manifest entries                   [ DONE ]
Adding Ceilometer Keystone manifest entries          [ DONE ]
Adding Nagios server manifest entries                [ DONE ]
Adding Nagios host manifest entries                  [ DONE ]
Adding post install manifest entries                 [ DONE ]
Installing Dependencies                              [ DONE ]
Copying Puppet modules and manifests                 [ DONE ]
Applying 192.168.122.113_prescript.pp
192.168.122.113_prescript.pp:                        [ DONE ]          
Applying 192.168.122.113_amqp.pp
Applying 192.168.122.113_mysql.pp
192.168.122.113_amqp.pp:                             [ DONE ]      
192.168.122.113_mysql.pp:                            [ DONE ]      
Applying 192.168.122.113_keystone.pp
Applying 192.168.122.113_glance.pp
Applying 192.168.122.113_cinder.pp
192.168.122.113_keystone.pp:                         [ DONE ]        
192.168.122.113_cinder.pp:                           [ DONE ]        
192.168.122.113_glance.pp:                           [ DONE ]        
Applying 192.168.122.113_api_nova.pp
192.168.122.113_api_nova.pp:                         [ DONE ]        
Applying 192.168.122.113_nova.pp
192.168.122.113_nova.pp:                             [ DONE ]    
Applying 192.168.122.113_neutron.pp
192.168.122.113_neutron.pp:                          [ DONE ]        
Applying 192.168.122.113_neutron_fwaas.pp
Applying 192.168.122.113_osclient.pp
Applying 192.168.122.113_horizon.pp
192.168.122.113_neutron_fwaas.pp:                    [ DONE ]              
192.168.122.113_osclient.pp:                         [ DONE ]              
192.168.122.113_horizon.pp:                          [ DONE ]              
Applying 192.168.122.113_ring_swift.pp
192.168.122.113_ring_swift.pp:                       [ DONE ]          
Applying 192.168.122.113_swift.pp
Applying 192.168.122.113_provision_demo.pp
192.168.122.113_swift.pp:                            [ DONE ]              
192.168.122.113_provision_demo.pp:                   [ DONE ]              
Applying 192.168.122.113_mongodb.pp
192.168.122.113_mongodb.pp:                          [ DONE ]        
Applying 192.168.122.113_ceilometer.pp
Applying 192.168.122.113_nagios.pp
Applying 192.168.122.113_nagios_nrpe.pp
192.168.122.113_ceilometer.pp:                       [ DONE ]            
192.168.122.113_nagios_nrpe.pp:                      [ DONE ]            
192.168.122.113_nagios.pp:                           [ DONE ]            
Applying 192.168.122.113_postscript.pp
192.168.122.113_postscript.pp:                       [ DONE ]          
Applying Puppet manifests                            [ DONE ]
Finalizing                                           [ DONE ]

 **** Installation completed successfully ******


Additional information:
 * Time synchronization installation was skipped. Please note that unsynchronized time on server instances might be problem for some OpenStack components.
 * Did not create a cinder volume group, one already existed
 * File /root/keystonerc_admin has been created on OpenStack client host 192.168.122.113. To use the command line tools you need to source the file.
 * To access the OpenStack Dashboard browse to http://192.168.122.113/dashboard .
Please, find your login credentials stored in the keystonerc_admin in your home directory.
 * To use Nagios, browse to http://192.168.122.113/nagios username: nagiosadmin, password: 55209fe74e694f3c
 * The installation log file is available at: /var/tmp/packstack/20140808-001328-M74eSH/openstack-setup.log
 * The generated manifests are available at: /var/tmp/packstack/20140808-001328-M74eSH/manifests

RHEL 7 /CentOS 7 Boot Single User Mode

1. init=/bin/sh at the end of line that starts with linux in Grub2 (In case of  VMWare like KVM or VirtualBox use rb.break instead of inti=/bin/sh)
2. run mount -o remount,rw /sysroot when the system boots
3. run chroot /sysroot
4. run passwd
5. run touch /.autorelabel
6. run exit to leave chroot
7. run exit to logout

RHEL 7 Minimal Installation