OpenVZ Virtuozzo Containers Wiki - User contributions [en]

Creating a CentOS 5.0 Template

2008-10-29T16:01:37Z

Baranek:

[[Category: HOWTO]]
[[Category: Templates]]
{{wikify}}

# Install a system (virtual or physical) with the default CentOS installation that you wish to package. This could be a minimal distro or the default distro or even something custom.
## It's generally quicker to bootstrap a CentOS system on another yum/rpm-based, or Debian based system by following the instructions in [http://faiwiki.informatik.uni-koeln.de/index.php/FAI_multi-distribution#bootstrapping_the_base_images__for_other_distributions]
# Once the OS has been installed, you need to '''tar''' the contents of the OS.
## First, create a file called '''/tmp/exclude''' and add the following lines to it:
#: .bash_history
#: lost+found
#: /dev/*
#: /mnt/*
#: /tmp/*
#: /proc/*
#: /sys/*
#: /usr/src/*
## Now, tar the OS file up by typing: '''tar –czvf /tmp/centos-5.0-<ARCH>-<DISTRO>-image.tar.gz –X /tmp/exclude /''' where <'''ARCH'''> represents the system architecture ('''i386''' or
#: '''x86_64''') and <'''DISTRO'''> represents the distribution (default, minimal, etc.).
## Now transfer the file over to the OpenVZ server into '''/vz/template/cache''' folder.
# On the OpenVZ server create a “dummy” container by creating a folder called '''/vz/private/50'''
#: and copying the '''/etc/vz/conf/ve-vps.basic.conf-sample''' to '''/etc/vz/conf/50.conf'''.
#: '''NOTE''': 50 is the CTID for the container. You can choose any unused CTID on the OpenVZ server.
# Now create a new folder called '''/vz/template/centos/5/<ARCH>/config''' again where
#: <'''ARCH'''> represents the system architecture.
# Create a file in the folder called rpm and add the following line:
#: 43
# Create a file called '''yum.conf''' in the folder and add the following lines:
#: [main]
#:
#: cachedir=/vz/template/centos/5/<ARCH>/yum-cache/
#:
#: reposdir=/dev/null
#:
#: installonlypkgs=
#:
#: [centos5-base]
#: name=CentOS 5 - <ARCH> - Base
#:
#: baseurl=http://mirror.centos.org/centos/5/os/<ARCH>/
#:
#: enabled=1
#:
#: gpgcheck=1
#:
#: [centos5-updates-released]
#:
#: name=CentOS 5 - <ARCH> - Released Updates
#:
#: baseurl=http://mirror.centos.org/centos/5/updates/<ARCH>/
#:
#: enabled=1
#:
#: gpgcheck=1
# Copy '''/etc/vz/dists/centos-4.conf''' to '''/etc/vz/dists/centos-5.conf'''.
# Copy '''/vz/template/centos/4/i386/config/minimal.list''' to ''' /vz/template/centos/5/i386/config/minimal.list'''.
# Change to the '''/vz/private/50''' folder and then run the command '''gunzip –dc /vz/template/cache/centos-5-<ARCH>-<DISTRO>-image.tar.gz | tar –xvf –''' to unpack the base image to the folder.
# Make sure you are in the '''/vz/private/50''' folder.
# Edit '''etc/shadow''' and remove the replace the '''root''' password with !! instead of the hashed value.
# Edit the '''etc/inittab''' file and comment out the lines that respawn '''/sbin/mingetty''' on '''tty1''' through '''tty6'''. Just put a # at the beginning of the line.
# Remove the '''etc/mtab''' file and then create a symbolic link by typing '''ln -s /proc/mounts etc/mtab'''.
# Remove all of the lines from '''etc/fstab''' except for the line that mounts '''/dev/pts'''.
# Edit '''etc/rc.d/rc.sysinit''' and comment out the line that starts '''/sbin/start_udev''' by placing a # at the beginning of the line.
# Now create device nodes by typing:
#: mknod dev/ptmx c 5 2
#: mkdir dev/pts
#: /sbin/MAKEDEV –d /vz/private/50/dev ttyp ptyp
#: mknod dev/null c 1 3
#: mknod -m 644 /dev/random c 1 8
#: mknod dev/urandom c 1 9
# Create the '''var/lock/rpm''' folder.
# If you wish to disable IPv6, do the following:
## Edit '''etc/sysconfig/network''' and set '''NETWORKING_IPV6''' to '''no'''.
## Add the following lines to '''etc/modprobe.d/blacklist''':
#: blacklist ipv6
#: blacklist net-pf-10
# Disable any physical NICs by modifying the '''etc/sysconfig/network-scripts/ifcfg-ethX''' files (where '''X''' is the interface number starting from '''0''') and setting '''ONBOOT''' to '''no'''.
# Now you’re ready to start the template. Type '''vzctl start 50''' and wait for it to start.
# You can install additional packages into the container by typing '''vzyum 50 install <package>''' at the prompt where <'''package'''> represents the name of the software package you wish to install.
# Finally, you should turn off unnecessary services.
## Enter the container by typing '''vzctl enter 50'''.
## View the services that are set to run at startup by typing '''chkconfig --list | grep 5:on'''.
## Disable any unwanted service by typing '''chkconfig --levels 2345 <service>''' off where <'''service'''> represents the service to disable.
#: Services that you can (and should) turn off without harm are acpid, apmd, kudzu, and microcode_ctl.
# Exit the container by typing '''exit''' at the prompt.
# Stop the container by typing '''vzctl stop 50'''.
# Make sure you are in the '''/vz/private/50''' folder.
# Finally, package up the new template by typing '''tar –czvf /vz/template/cache/centos-5-<ARCH>-<DISTRO>.tar.gz ./'''.
# The template is ready for use.

Creating a CentOS 5.0 Template

2008-10-27T15:40:02Z

Baranek:

[[Category: HOWTO]]
[[Category: Templates]]
{{wikify}}

# Install a system (virtual or physical) with the default CentOS installation that you wish to package. This could be a minimal distro or the default distro or even something custom.
## It's generally quicker to bootstrap a CentOS system on another yum/rpm-based, or Debian based system by following the instructions in [http://faiwiki.informatik.uni-koeln.de/index.php/FAI_multi-distribution#bootstrapping_the_base_images__for_other_distributions]
# Once the OS has been installed, you need to '''tar''' the contents of the OS.
## First, create a file called '''/tmp/exclude''' and add the following lines to it:
#: .bash_history
#: lost+found
#: /dev/*
#: /mnt/*
#: /tmp/*
#: /proc/*
#: /sys/*
#: /usr/src/*
## Now, tar the OS file up by typing: '''tar –czvf /tmp/centos-5.0-<ARCH>-<DISTRO>-image.tar.gz –X /tmp/exclude /''' where <'''ARCH'''> represents the system architecture ('''i386''' or
#: '''x86_64''') and <'''DISTRO'''> represents the distribution (default, minimal, etc.).
## Now transfer the file over to the OpenVZ server into '''/vz/template/cache''' folder.
# On the OpenVZ server create a “dummy” container by creating a folder called '''/vz/private/50'''
#: and copying the '''/etc/vz/conf/ve-vps.basic.conf-sample''' to '''/etc/vz/conf/50.conf'''.
#: '''NOTE''': 50 is the CTID for the container. You can choose any unused CTID on the OpenVZ server.
# Now create a new folder called '''/vz/template/centos/5/<ARCH>/config''' again where
#: <'''ARCH'''> represents the system architecture.
# Create a file in the folder called rpm and add the following line:
#: 43
# Create a file called '''yum.conf''' in the folder and add the following lines:
#: [main]
#:
#: cachedir=/vz/template/centos/5/<ARCH>/yum-cache/
#:
#: reposdir=/dev/null
#:
#: installonlypkgs=
#:
#: [centos5-base]
#: name=CentOS 5 - <ARCH> - Base
#:
#: baseurl=http://mirror.centos.org/centos/5/os/<ARCH>/
#:
#: enabled=1
#:
#: gpgcheck=1
#:
#: [centos5-updates-released]
#:
#: name=CentOS 5 - <ARCH> - Released Updates
#:
#: baseurl=http://mirror.centos.org/centos/5/updates/<ARCH>/
#:
#: enabled=1
#:
#: gpgcheck=1
# Copy '''/etc/vz/dists/centos-4.conf''' to '''/etc/vz/dists/centos-5.conf'''.
# Copy '''/vz/template/centos/4/i386/config/minimal.list''' to ''' /vz/template/centos/5/i386/config/minimal.list'''.
# Change to the '''/vz/private/50''' folder and then run the command '''gunzip –dc /vz/template/cache/centos-5-<ARCH>-<DISTRO>-image.tar.gz | tar –xvf –''' to unpack the base image to the folder.
# Make sure you are in the '''/vz/private/50''' folder.
# Edit '''etc/shadow''' and remove the replace the '''root''' password with !! instead of the hashed value.
# Edit the '''etc/inittab''' file and comment out the lines that respawn '''/sbin/mingetty''' on '''tty1''' through '''tty6'''. Just put a # at the beginning of the line.
# Remove the '''etc/mtab''' file and then create a symbolic link by typing '''ln -s /proc/mounts etc/mtab'''.
# Remove all of the lines from '''etc/fstab''' except for the line that mounts '''/dev/pts'''.
# Edit '''etc/rc.d/rc.sysinit''' and comment out the line that starts '''/sbin/start_udev''' by placing a # at the beginning of the line.
# Now create device nodes by typing:
#: mknod dev/ptmx c 5 2
#: mkdir dev/pts
#: /sbin/MAKEDEV –d /vz/private/50/dev ttyp ptyp
#: mknod dev/null c 1 3
#: mknod dev/urandom c 1 9
# Create the '''var/lock/rpm''' folder.
# If you wish to disable IPv6, do the following:
## Edit '''etc/sysconfig/network''' and set '''NETWORKING_IPV6''' to '''no'''.
## Add the following lines to '''etc/modprobe.d/blacklist''':
#: blacklist ipv6
#: blacklist net-pf-10
# Disable any physical NICs by modifying the '''etc/sysconfig/network-scripts/ifcfg-ethX''' files (where '''X''' is the interface number starting from '''0''') and setting '''ONBOOT''' to '''no'''.
# Now you’re ready to start the template. Type '''vzctl start 50''' and wait for it to start.
# You can install additional packages into the container by typing '''vzyum 50 install <package>''' at the prompt where <'''package'''> represents the name of the software package you wish to install.
# Finally, you should turn off unnecessary services.
## Enter the container by typing '''vzctl enter 50'''.
## View the services that are set to run at startup by typing '''chkconfig --list | grep 5:on'''.
## Disable any unwanted service by typing '''chkconfig --levels 2345 <service>''' off where <'''service'''> represents the service to disable.
#: Services that you can (and should) turn off without harm are acpid, apmd, kudzu, and microcode_ctl.
# Exit the container by typing '''exit''' at the prompt.
# Stop the container by typing '''vzctl stop 50'''.
# Make sure you are in the '''/vz/private/50''' folder.
# Finally, package up the new template by typing '''tar –czvf /vz/template/cache/centos-5-<ARCH>-<DISTRO>.tar.gz ./'''.
# The template is ready for use.

Creating a CentOS 5.0 Template

2008-10-27T14:49:44Z

Baranek:

[[Category: HOWTO]]
[[Category: Templates]]
{{wikify}}

# Install a system (virtual or physical) with the default CentOS installation that you wish to package. This could be a minimal distro or the default distro or even something custom.
## It's generally quicker to bootstrap a CentOS system on another yum/rpm-based, or Debian based system by following the instructions in [http://faiwiki.informatik.uni-koeln.de/index.php/FAI_multi-distribution#bootstrapping_the_base_images__for_other_distributions]
# Once the OS has been installed, you need to '''tar''' the contents of the OS.
## First, create a file called '''/tmp/exclude''' and add the following lines to it:
#: .bash_history
#: lost+found
#: /dev/*
#: /mnt/*
#: /tmp/*
#: /proc/*
#: /sys/*
#: /usr/src/*
## Now, tar the OS file up by typing: '''tar –czvf /tmp/centos-5.0-<ARCH>-<DISTRO>-image.tar.gz –X /tmp/exclude /''' where <'''ARCH'''> represents the system architecture ('''i386''' or
#: '''x86_64''') and <'''DISTRO'''> represents the distribution (default, minimal, etc.).
## Now transfer the file over to the OpenVZ server into '''/vz/template/cache''' folder.
# On the OpenVZ server create a “dummy” container by creating a folder called '''/vz/private/50'''
#: and copying the '''/etc/vz/conf/ve-vps.basic.conf-sample''' to '''/etc/vz/conf/50.conf'''.
#: '''NOTE''': 50 is the CTID for the container. You can choose any unused CTID on the OpenVZ server.
# Now create a new folder called '''/vz/template/centos/5.0/<ARCH>/config''' again where
#: <'''ARCH'''> represents the system architecture.
# Create a file in the folder called rpm and add the following line:
#: 43
# Create a file called '''yum.conf''' in the folder and add the following lines:
#: [main]
#:
#: cachedir=/vz/template/centos/5.0/<ARCH>/yum-cache/
#:
#: reposdir=/dev/null
#:
#: installonlypkgs=
#:
#: [centos5-base]
#: name=CentOS 5 - <ARCH> - Base
#:
#: baseurl=http://mirror.centos.org/centos/5/os/<ARCH>/
#:
#: enabled=1
#:
#: gpgcheck=1
#:
#: [centos5-updates-released]
#:
#: name=CentOS 5 - <ARCH> - Released Updates
#:
#: baseurl=http://mirror.centos.org/centos/5/updates/<ARCH>/
#:
#: enabled=1
#:
#: gpgcheck=1
# Copy '''/etc/vz/dists/centos-4.conf''' to '''/etc/vz/dists/centos-5.0.conf'''.
# Change to the '''/vz/private/50''' folder and then run the command '''gunzip –dc /vz/template/cache/centos-5.0-<ARCH>-<DISTRO>-image.tar.gz | tar –xvf –''' to unpack the base image to the folder.
# Make sure you are in the '''/vz/private/50''' folder.
# Edit '''etc/shadow''' and remove the replace the '''root''' password with !! instead of the hashed value.
# Edit the '''etc/inittab''' file and comment out the lines that respawn '''/sbin/mingetty''' on '''tty1''' through '''tty6'''. Just put a # at the beginning of the line.
# Remove the '''etc/mtab''' file and then create a symbolic link by typing '''ln -s /proc/mounts etc/mtab'''.
# Remove all of the lines from '''etc/fstab''' except for the line that mounts '''/dev/pts'''.
# Edit '''etc/rc.d/rc.sysinit''' and comment out the line that starts '''/sbin/start_udev''' by placing a # at the beginning of the line.
# Now create device nodes by typing:
#: mknod dev/ptmx c 5 2
#: mkdir dev/pts
#: /sbin/MAKEDEV –d /vz/private/50/dev ttyp ptyp
#: mknod dev/null c 1 3
#: mknod dev/urandom c 1 9
# Create the '''var/lock/rpm''' folder.
# If you wish to disable IPv6, do the following:
## Edit '''etc/sysconfig/network''' and set '''NETWORKING_IPV6''' to '''no'''.
## Add the following lines to '''etc/modprobe.d/blacklist''':
#: blacklist ipv6
#: blacklist net-pf-10
# Disable any physical NICs by modifying the '''etc/sysconfig/network-scripts/ifcfg-ethX''' files (where '''X''' is the interface number starting from '''0''') and setting '''ONBOOT''' to '''no'''.
# Now you’re ready to start the template. Type '''vzctl start 50''' and wait for it to start.
# You can install additional packages into the container by typing '''vzyum 50 install <package>''' at the prompt where <'''package'''> represents the name of the software package you wish to install.
# Finally, you should turn off unnecessary services.
## Enter the container by typing '''vzctl enter 50'''.
## View the services that are set to run at startup by typing '''chkconfig --list | grep 5:on'''.
## Disable any unwanted service by typing '''chkconfig --levels 2345 <service>''' off where <'''service'''> represents the service to disable.
#: Services that you can (and should) turn off without harm are acpid, apmd, kudzu, and microcode_ctl.
# Exit the container by typing '''exit''' at the prompt.
# Stop the container by typing '''vzctl stop 50'''.
# Make sure you are in the '''/vz/private/50''' folder.
# Finally, package up the new template by typing '''tar –czvf /vz/template/cache/centos-5.0-<ARCH>-<DISTRO>.tar.gz ./'''.
# The template is ready for use.

Creating a CentOS 5.0 Template

2008-10-27T12:10:24Z

Baranek:

[[Category: HOWTO]]
[[Category: Templates]]
{{wikify}}

# Install a system (virtual or physical) with the default CentOS installation that you wish to package. This could be a minimal distro or the default distro or even something custom.
## It's generally quicker to bootstrap a CentOS system on another yum/rpm-based, or Debian based system by following the instructions in [http://faiwiki.informatik.uni-koeln.de/index.php/FAI_multi-distribution#bootstrapping_the_base_images__for_other_distributions]
# Once the OS has been installed, you need to '''tar''' the contents of the OS.
## First, create a file called '''/tmp/exclude''' and add the following lines to it:
#: .bash_history
#: lost+found
#: /dev/*
#: /mnt/*
#: /tmp/*
#: /proc/*
#: /sys/*
#: /usr/src/*
## Now, tar the OS file up by typing: '''tar –czvf /tmp/centos-5.0-<ARCH>-<DISTRO>-image.tar.gz –X /tmp/exclude /''' where <'''ARCH'''> represents the system architecture ('''i386''' or
#: '''x86_64''') and <'''DISTRO'''> represents the distribution (default, minimal, etc.).
## Now transfer the file over to the OpenVZ server into '''/vz/template/cache''' folder.
# On the OpenVZ server create a “dummy” container by creating a folder called '''/vz/private/50'''
#: and copying the '''/etc/vz/conf/ve-vps.basic.conf-sample''' to '''/etc/vz/conf/50.conf'''.
#: '''NOTE''': 50 is the CTID for the container. You can choose any unused CTID on the OpenVZ server.
# Now create a new folder called '''/vz/template/centos/5.0/<ARCH>/config''' again where
#: <'''ARCH'''> represents the system architecture.
# Create a file in the folder called rpm and add the following line:
#: 43
# Create a file called '''yum.conf''' in the folder and add the following lines:
#: [main]
#:
#: cachedir=/vz/template/centos/5.0/<ARCH>/yum-cache/
#:
#: reposdir=/dev/null
#:
#: installonlypkgs=
#:
#: [centos5-base]
#: name=CentOS 5 - <ARCH> - Base
#:
#: baseurl=http://mirror.centos.org/centos/5/os/<ARCH>/
#:
#: enabled=1
#:
#: gpgcheck=1
#:
#: [centos5-updates-released]
#:
#: name=CentOS 5 - <ARCH> - Released Updates
#:
#: baseurl=http://mirror.centos.org/centos/5/updates/<ARCH>/
#:
#: enabled=1
#:
#: gpgcheck=1
# Copy '''/etc/vz/dists/centos-4.conf''' to '''/etc/vz/dists/centos-5.0.conf'''.
# Change to the '''/vz/private/50''' folder and then run the command '''gunzip –dc /vz/template/cache/centos-5.0-<ARCH>-<DISTRO>-image.tar.gz | tar –xvf –''' to unpack the base image to the folder.
# Make sure you are in the '''/vz/private/50''' folder.
# Edit '''etc/shadow''' and remove the replace the '''root''' password with !! instead of the hashed value.
# Edit the '''etc/inittab''' file and comment out the lines that respawn '''/sbin/mingetty''' on '''tty1''' through '''tty6'''. Just put a # at the beginning of the line.
# Remove the '''etc/mtab''' file and then create a symbolic link by typing '''ln -s /proc/mounts etc/mtab'''.
# Remove all of the lines from '''etc/fstab''' except for the line that mounts '''/dev/pts'''.
# Edit '''etc/rc.d/rc.sysinit''' and comment out the line that starts '''/sbin/start_udev''' by placing a # at the beginning of the line.
# Now create device nodes by typing:
#: mknod dev/ptmx c 5 2
#: mkdir dev/pts
#: /sbin/MAKEDEV –d /vz/private/50/dev ttyp ptyp
#: mknod dev/null c 1 3
#: mknod dev/urandom c 1 9
# Create the '''var/lock/rpm''' folder.
# If you wish to disable IPv6, do the following:
## Edit '''etc/sysconfig/network''' and set '''NETWORKING_IPV6''' to '''no'''.
## Add the following lines to '''etc/modprobe.d/blacklist''':
#: blacklist ipv6
#: blacklist net-pf-10
# Disable any physical NICs by modifying the '''etc/sysconfig/network-scripts/ifcfg-ethX''' files (where '''X''' is the interface number starting from '''0''') and setting '''ONBOOT''' to '''no'''.
# Now you’re ready to start the template. Type '''vzctl start 50''' and wait for it to start.
# You can install additional packages into the container by typing '''vzyum 50 install <package>''' at the prompt where <'''package'''> represents the name of the software package you wish to install.
# Finally, you should turn off unnecessary services.
## Enter the container by typing '''vzctl enter 50'''.
## View the services that are set to run at startup by typing '''chkconfig --list | grep 5:on'''.
## Disable any unwanted service by typing '''chkconfig --levels 2345 <service>''' off where <'''service'''> represents the service to disable.
#: Services that you can (and should) turn off without harm are acpid, apmd, kudzu, and microcode_ctl.
# Exit the container by typing '''exit''' at the prompt.
# Stop the container by typing '''vzctl stop 50'''.
# Finally, package up the new template by typing '''tar –czvf /vz/template/cache/centos-5.0-<ARCH>-<DISTRO>.tar.gz /vz/private/50/'''.
# The template is ready for use.

Creating a CentOS 5.0 Template

2008-10-27T10:27:09Z

Baranek:

[[Category: HOWTO]]
[[Category: Templates]]
{{wikify}}

# Install a system (virtual or physical) with the default CentOS installation that you wish to package. This could be a minimal distro or the default distro or even something custom.
## It's generally quicker to bootstrap a CentOS system on another yum/rpm-based, or Debian based system by following the instructions in [http://faiwiki.informatik.uni-koeln.de/index.php/FAI_multi-distribution#bootstrapping_the_base_images__for_other_distributions]
# Once the OS has been installed, you need to '''tar''' the contents of the OS.
## First, create a file called '''/tmp/exclude''' and add the following lines to it:
#: .bash_history
#: lost+found
#: /dev/*
#: /mnt/*
#: /tmp/*
#: /proc/*
#: /sys/*
#: /usr/src/*
## Now, tar the OS file up by typing: '''tar –czvf /tmp/centos-5.0-<ARCH>-<DISTRO>-image.tar.gz –X /tmp/exclude /''' where <'''ARCH'''> represents the system architecture ('''i386''' or
#: '''x86_64''') and <'''DISTRO'''> represents the distribution (default, minimal, etc.).
## Now transfer the file over to the OpenVZ server into '''/vz/template/cache''' folder.
# On the OpenVZ server create a “dummy” container by creating a folder called '''/vz/private/50'''
#: and copying the '''/etc/vz/conf/ve-vps.basic.conf-sample''' to '''/etc/vz/conf/50.conf'''.
#: '''NOTE''': 50 is the CTID for the container. You can choose any unused CTID on the OpenVZ server.
# Now create a new folder called '''/vz/template/centos/5.0/<ARCH>/config''' again where
#: <'''ARCH'''> represents the system architecture.
# Create a file in the folder called rpm and add the following line:
#: 43
# Create a file called '''yum.conf''' in the folder and add the following lines:
#: [main]
#:
#: cachedir=/vz/template/centos/5.0/<ARCH>/yum-cache/
#:
#: reposdir=/dev/null
#:
#: installonlypkgs=
#:
#: [centos5-base]
#: name=CentOS 5 - <ARCH> - Base
#:
#: baseurl=http://mirror.centos.org/centos/5/os/<ARCH>/
#:
#: enabled=1
#:
#: gpgcheck=1
#:
#: [centos5-updates-released]
#:
#: name=CentOS 5 - <ARCH> - Released Updates
#:
#: baseurl=http://mirror.centos.org/centos/5/updates/<ARCH>/
#:
#: enabled=1
#:
#: gpgcheck=1
# Copy '''/etc/vz/dists/centos-4.conf''' to '''/etc/vz/dists/centos-5.0.conf'''.
# Change to the '''/vz/private/50''' folder and then run the command '''gunzip –dc /vz/template/cache/centos-5.0-<ARCH>-<DISTRO>-image.tar.gz | tar –xvf –''' to unpack the base image to the folder.
# Make sure you are in the '''/vz/private/50''' folder.
# Edit '''etc/shadow''' and remove the replace the '''root''' password with !! instead of the hashed value.
# Edit the '''etc/inittab''' file and comment out the lines that respawn '''/sbin/mingetty''' on '''tty1''' through '''tty6'''. Just put a # at the beginning of the line.
# Remove the '''etc/mtab''' file and then create a symbolic link by typing '''ln –s /proc/mounts etc/mtab'''.
# Remove all of the lines from '''etc/fstab''' except for the line that mounts '''/dev/pts'''.
# Edit '''etc/rc.d/rc.sysinit''' and comment out the line that starts '''/sbin/start_udev''' by placing a # at the beginning of the line.
# Now create device nodes by typing:
#: mknod dev/ptmx c 5 2
#: mkdir dev/pts
#: /sbin/MAKEDEV –d /vz/private/50/dev ttyp ptyp
#: mknod dev/null c 1 3
#: mknod dev/urandom c 1 9
# Create the '''var/lock/rpm''' folder.
# If you wish to disable IPv6, do the following:
## Edit '''etc/sysconfig/network''' and set '''NETWORKING_IPV6''' to '''no'''.
## Add the following lines to '''etc/modprobe.d/blacklist''':
#: blacklist ipv6
#: blacklist net-pf-10
# Disable any physical NICs by modifying the '''etc/sysconfig/network-scripts/ifcfg-ethX''' files (where '''X''' is the interface number starting from '''0''') and setting '''ONBOOT''' to '''no'''.
# Now you’re ready to start the template. Type '''vzctl start 50''' and wait for it to start.
# You can install additional packages into the container by typing '''vzyum 50 install <package>''' at the prompt where <'''package'''> represents the name of the software package you wish to install.
# Finally, you should turn off unnecessary services.
## Enter the container by typing '''vzctl enter 50'''.
## View the services that are set to run at startup by typing '''chkconfig --list | grep 5:on'''.
## Disable any unwanted service by typing '''chkconfig --levels 2345 <service>''' off where <'''service'''> represents the service to disable.
#: Services that you can (and should) turn off without harm are acpid, apmd, kudzu, and microcode_ctl.
# Exit the container by typing '''exit''' at the prompt.
# Stop the container by typing '''vzctl stop 50'''.
# Finally, package up the new template by typing '''tar –czvf /vz/template/cache/centos-5.0-<ARCH>-<DISTRO>.tar.gz /vz/private/50/'''.
# The template is ready for use.

Creating a CentOS 5.0 Template

2008-10-27T10:12:53Z

Baranek:

[[Category: HOWTO]]
[[Category: Templates]]
{{wikify}}

# Install a system (virtual or physical) with the default CentOS installation that you wish to package. This could be a minimal distro or the default distro or even something custom.
## It's generally quicker to bootstrap a CentOS system on another yum/rpm-based, or Debian based system by following the instructions in [http://faiwiki.informatik.uni-koeln.de/index.php/FAI_multi-distribution#bootstrapping_the_base_images__for_other_distributions]
# Once the OS has been installed, you need to '''tar''' the contents of the OS.
## First, create a file called '''/tmp/exclude''' and add the following lines to it:
#: .bash_history
#: lost+found
#: /dev/*
#: /mnt/*
#: /tmp/*
#: /proc/*
#: /sys/*
#: /usr/src/*
## Now, tar the OS file up by typing: '''tar –czvf /tmp/centos-5.0-<ARCH>-<DISTRO>-image.tar.gz –X /tmp/exclude /''' where <'''ARCH'''> represents the system architecture ('''i386''' or
#: '''x86_64''') and <'''DISTRO'''> represents the distribution (default, minimal, etc.).
## Now transfer the file over to the OpenVZ server into '''/vz/template/cache''' folder.
# On the OpenVZ server create a “dummy” container by creating a folder called '''/vz/private/50'''
#: and copying the '''/etc/vz/conf/ve-vps.basic.conf-sample''' to '''/etc/vz/conf/50.conf'''.
#: '''NOTE''': 50 is the CTID for the container. You can choose any unused CTID on the OpenVZ server.
# Now create a new folder called '''/vz/template/centos/5.0/<ARCH>/config''' again where
#: <'''ARCH'''> represents the system architecture.
# Create a file in the folder called rpm and add the following line:
#: 43
# Create a file called '''yum.conf''' in the folder and add the following lines:
#: [main]
#:
#: cachedir=/vz/template/centos/5.0/<ARCH>/yum-cache/
#:
#: reposdir=/dev/null
#:
#: installonlypkgs=
#:
#: [centos5-base]
#: name=CentOS 5 - <ARCH> - Base
#:
#: baseurl=http://mirror.centos.org/centos/5/os/<ARCH>/
#:
#: enabled=1
#:
#: gpgcheck=1
#:
#: [centos5-updates-released]
#:
#: name=CentOS 5 - <ARCH> - Released Updates
#:
#: baseurl=http://mirror.centos.org/centos/5/updates/<ARCH>/
#:
#: enabled=1
#:
#: gpgcheck=1
# Copy '''/etc/vz/dists/centos-4.conf''' to '''/etc/vz/dists/centos-5.0.conf'''.
# Change to the '''/vz/private/50''' folder and then run the command '''gunzip –dc /vz/template/cache/centos-5.0-<ARCH>-<DISTRO>-image.tar.gz | tar –xvf –''' to unpack the base image to the folder.
# Make sure you are in the '''/vz/private/50''' folder.
# Edit '''etc/shadow''' and remove the replace the '''root''' password with !! instead of the hashed value.
# Edit the '''etc/inittab''' file and comment out the lines that respawn '''/sbin/mingetty''' on '''tty1''' through '''tty6'''. Just put a # at the beginning of the line.
# Remove the '''etc/mtab''' file and then create a symbolic link by typing '''ln –s /proc/mounts etc/mtab'''.
# Remove all of the lines from '''etc/fstab''' except for the line that mounts '''/dev/pts'''.
# Edit '''etc/rc.d/rc.sysinit''' and comment out the line that starts '''/sbin/start_udev''' by placing a # at the beginning of the line.
# Now create device nodes by typing:
#: mknod dev/ptmx c 5 2
#: mkdir dev/pts
#: /sbin/MAKEDEV –d /vz/private/50/dev ttyp ptyp
#: mknod dev/null c 1 3
#: mknod dev/urandom c 1 9
# Create the '''var/lock/rpm''' folder.
# If you wish to disable IPv6, do the following:
## Edit '''etc/sysconfig/network''' and set '''NETWORKING_IPV6''' to '''no'''.
## Add the following lines to '''etc/modprobe.d/blacklist''':
#: blacklist ipv6
#: blacklist net-pf-10
# Disable any physical NICs by modifying the '''etc/sysconfig/network-scripts/ifcfg-ethX''' files (where '''X''' is the interface number starting from '''0''') and setting '''ONBOOT''' to '''no'''.
# Now you’re ready to start the template. Type '''vzctl start 50''' and wait for it to start.
# You can install additional packages into the container by typing '''vzyum 50 install <package>''' at the prompt where <'''package'''> represents the name of the software package you wish to install.
# Finally, you should turn off unnecessary services.
## Enter the container by typing '''vzctl enter 50'''.
## View the services that are set to run at startup by typing '''chkconfig --list | grep 5:on'''.
## Disable any unwanted service by typing '''chkconfig --levels 2345 <service>''' off where <'''service'''> represents the service to disable.
#: Services that you can (and should) turn off without harm are acpid, apmd, kudzu, and microcode_ctl.
# Exit the container by typing '''exit''' at the prompt.
# Stop the container by typing '''vzctl stop 50'''.
# Finally, package up the new template by typing '''tar –czvf /vz/template/cache/centos-5.0-<ARCH>-<DISTRO>.tar.gz'''.
# The template is ready for use.

Creating a CentOS 5.0 Template

2008-10-27T09:03:25Z

Baranek:

[[Category: HOWTO]]
[[Category: Templates]]
{{wikify}}

# Install a system (virtual or physical) with the default CentOS installation that you wish to package. This could be a minimal distro or the default distro or even something custom.
## It's generally quicker to bootstrap a CentOS system on another yum/rpm-based, or Debian based system by following the instructions in [http://faiwiki.informatik.uni-koeln.de/index.php/FAI_multi-distribution#bootstrapping_the_base_images__for_other_distributions]
# Once the OS has been installed, you need to '''tar''' the contents of the OS.
## First, create a file called '''/tmp/exclude''' and add the following lines to it:
#: .bash_history
#: lost+found
#: /dev/*
#: /mnt/*
#: /tmp/*
#: /proc/*
#: /sys/*
#: /usr/src/*
## Now, tar the OS file up by typing: '''tar –czvf /tmp/centos-5.0-<ARCH>-<DISTRO>-image.tar.gz –X /tmp/exclude /''' where <'''ARCH'''> represents the system architecture ('''i386''' or
#: '''x86_64''') and <'''DISTRO'''> represents the distribution (default, minimal, etc.).
## Now transfer the file over to the OpenVZ server into '''/vz/template/cache''' folder.
# On the OpenVZ server create a “dummy” container by creating a folder called '''/vz/private/50'''
#: and copying the '''/etc/vz/conf/ve-vps.basic.conf-sample''' to '''/etc/vz/conf/50.conf'''.
#: '''NOTE''': 50 is the CTID for the container. You can choose any unused CTID on the OpenVZ server.
# Now create a new folder called '''/vz/template/centos/5.0/<ARCH>/config''' again where
#: <'''ARCH'''> represents the system architecture.
# Create a file in the folder called rpm and add the following line:
#: 43
# Create a file called '''yum.conf''' in the folder and add the following lines:
#: [main]
#:
#: cachedir=/vz/template/centos/5.0/<ARCH>/yum-cache/
#:
#: reposdir=/dev/null
#:
#: installonlypkgs=
#:
#: [centos5-base]
#: name=CentOS 5 - <ARCH> - Base
#:
#: baseurl=http://mirror.centos.org/centos/5/os/<ARCH>/
#:
#: enabled=1
#:
#: gpgcheck=1
#:
#: [centos5-updates-released]
#:
#: name=CentOS 5 - <ARCH> - Released Updates
#:
#: baseurl=http://mirror.centos.org/centos/5/updates/<ARCH>/
#:
#: enabled=1
#:
#: gpgcheck=1
# Copy '''/etc/vz/dists/centos-4.conf''' to '''/etc/vz/dists/centos-5.0.conf'''.
# Change to the '''/vz/private/50''' folder and then run the command '''gunzip –dc /vz/template/cache/centos-5.0-<ARCH>-<DISTRO>-image.tar.gz | tar –xvf''' – to unpack the base image to the folder.
# Make sure you are in the '''/vz/private/50''' folder.
# Edit '''etc/shadow''' and remove the replace the '''root''' password with !! instead of the hashed value.
# Edit the '''etc/inittab''' file and comment out the lines that respawn '''/sbin/mingetty''' on '''tty1''' through '''tty6'''. Just put a # at the beginning of the line.
# Remove the '''etc/mtab''' file and then create a symbolic link by typing '''ln –s /proc/mounts etc/mtab'''.
# Remove all of the lines from '''etc/fstab''' except for the line that mounts '''/dev/pts'''.
# Edit '''etc/rc.d/rc.sysinit''' and comment out the line that starts '''/sbin/start_udev''' by placing a # at the beginning of the line.
# Now create device nodes by typing:
#: mknod dev/ptmx c 5 2
#: mkdir dev/pts
#: /sbin/MAKEDEV –d /vz/private/50/dev ttyp ptyp
#: mknod dev/null c 1 3
#: mknod dev/urandom c 1 9
# Create the '''var/lock/rpm''' folder.
# If you wish to disable IPv6, do the following:
## Edit '''etc/sysconfig/network''' and set '''NETWORKING_IPV6''' to '''no'''.
## Add the following lines to '''etc/modprobe.d/blacklist''':
#: blacklist ipv6
#: blacklist net-pf-10
# Disable any physical NICs by modifying the '''etc/sysconfig/network-scripts/ifcfg-ethX''' files (where '''X''' is the interface number starting from '''0''') and setting '''ONBOOT''' to '''no'''.
# Now you’re ready to start the template. Type '''vzctl start 50''' and wait for it to start.
# You can install additional packages into the container by typing '''vzyum 50 install <package>''' at the prompt where <'''package'''> represents the name of the software package you wish to install.
# Finally, you should turn off unnecessary services.
## Enter the container by typing '''vzctl enter 50'''.
## View the services that are set to run at startup by typing '''chkconfig --list | grep 5:on'''.
## Disable any unwanted service by typing '''chkconfig --levels 2345 <service>''' off where <'''service'''> represents the service to disable.
#: Services that you can (and should) turn off without harm are acpid, apmd, kudzu, and microcode_ctl.
# Exit the container by typing '''exit''' at the prompt.
# Stop the container by typing '''vzctl stop 50'''.
# Finally, package up the new template by typing '''tar –czvf /vz/template/cache/centos-5.0-<ARCH>-<DISTRO>.tar.gz'''.
# The template is ready for use.

Centos Upgrade 4.x to 5.x

2008-07-23T13:19:30Z

Baranek:

[[Category:Templates]]

To create a CentOS 5 minimal template from centos-4-i386-minimal,
follow these steps:

1 - Create a container using centos-4-i386-minimal and set a valid nameserver
<pre>
vzctl create CTID --ostemplate centos-4-i386-minimal --config CONFIG_TEMPLATE --ipadd container_IP --hostname temp
vzctl set CTID --nameserver NAMESERVER_IP --save
</pre>
2 - Enter in container
<pre>
vzctl enter CTID
</pre>
3 - Install centos-5-release packages
<pre>
rpm -Uvh http://mirror.centos.org/centos/5.0/os/i386/CentOS/centos-release-notes-5.0.0-2.i386.rpm
rpm -Uvh http://mirror.centos.org/centos/5.0/os/i386/CentOS/centos-release-5-0.0.el5.centos.2.i386.rpm
</pre>
Note: centos-release-5 depends on notes-package, start with that one.

4 - Backup your /dev/, since initscripts need udev and will remove vzdev you'll net the backup
<pre>
tar -cf dev.tar ./dev
</pre>
5 - Install initscripts package (forced and with no deps)
<pre>
rpm -Uvh http://mirror.centos.org/centos/5.0/os/i386/CentOS/initscripts-8.45.14.EL-1.el5.centos.1.i386.rpm --force --nodeps
</pre>
6 - Exit from container
<pre>
exit
</pre>
7 - In /etc/vz/conf/CSID.conf replace
<pre>
OSTEMPLATE="centos-4-i386-minimal"
</pre>
to
<pre>
OSTEMPLATE="centos-5-i386-minimal"
</pre>
8 - Coppy existing template from
<pre>
/vz/template/centos/4
</pre>
to
<pre>
/vz/template/centos/5
</pre>
9 - In /vz/template/centos/4/i386/config/yum.conf change mirrors to CentOS 5

10 - Upgrade container packages using vzyum (32bit only)
<pre>
vzyum CTID upgrade
</pre>
Note: on 64-bit yum db-version might complain. Do "rm /vz/root/VZNUM/var/lib/rpm/__*" to delete conflicting DB.

11 - Stop your VE
<pre>
vzctl stop CTID
</pre>
12 - Replace the new /dev/ with the old one
<pre>
cd /vz/private/CTID
rm -rf dev
tar -xvf dev.tar
</pre>
13 - Leave the container private dir (or it will not stard)
<pre>
cd
</pre>
14 - Start the container
<pre>
vzctl start CTID
</pre>
15 - Remove container IP
<pre>
vzctl set --ipdel container_IP
</pre>
16 - Stop container
<pre>
vzctl stop CTID
</pre>
17 - Create the template
<pre>
cd /vz/private/CTID
tar -zcf /vz/template/cache/centos-5.0-i386-minimal.tar.gz .
</pre>