The Virtualization Cookbook for SLES 10 SP2 - z/VM - IBM

dev/dasda1 on / type ext4 (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
tmpfs on /dev/shm type tmpfs (rw,rootcontext="system_u:object_r:tmpfs_t:s0")
/dev/mapper/system_vg-opt_lv on /opt type ext4 (rw)
/dev/mapper/system_vg-tmp_lv on /tmp type ext4 (rw)
/dev/mapper/system_vg-usr_lv on /usr type ext4 (rw)
/dev/mapper/system_vg-var_lv on /var type ext4 (rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)
# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/dasda1 504M 146M 334M 31% /
tmpfs 498M 0 498M 0% /dev/shm
/dev/mapper/system_vg-opt_lv
372M 17M 337M 5% /opt
/dev/mapper/system_vg-tmp_lv
372M 17M 337M 5% /tmp
/dev/mapper/system_vg-usr_lv
1.5G 789M 647M 55% /usr
/dev/mapper/system_vg-var_lv
372M 56M 298M 16% /var
This shows that the three swap spaces are active, all file systems are about half full or less.
8.2 Configuring the golden image
Now you want to customize the golden image as much as possible before cloning. The
following high level steps are recommended though you may add or omit some steps:
► “Configuring automount of install tree” on page 138
► “Configuring yum for online updates” on page 139
► “Turning off unneeded services” on page 140
► “Configuring the VNC server” on page 140
► “Setting system to halt on SIGNAL SHUTDOWN” on page 140
► “Setting the system to logoff when Linux is shut down” on page 141
► “Configuring SSH keys” on page 141
► “Changing the order of the swap disks” on page 142
► “Rebooting the system” on page 142
► “Verifying the changes” on page 143
8.2.1 Configuring automount of install tree
You will now configure the Linux automount service to mount the installation tree on demand.
The automounter will automatically mount a remote directory when it is accessed, and
automatically unmount it after a period of inactivity.
To configure automount, perform the following steps:
► Make a backup copy of the file /etc/auto.master, then add the following line at the
bottom:
138 The Virtualization Cookbook for RHEL 6