Solaris-Zones: Linux IT Marbles Get a New Bag
Listing 2. Changing Properties of a Defined Zone
# We determined the network address is incorrect and that it # needs to be updated and we want a different storage location g-zone# zonecfg -z red-zone zonecfg:red-zone> set zonepath=/zpool01/zone/red-zone-x zonecfg:red-zone> select net address=192.168.1.10 zonecfg:red-zone:net> set address=192.168.2.10 zonecfg:red-zone:net> end zonecfg:red-zone> exit # Use zonecfg's "info" sub-command to list the zone's definition g-zone# zonecfg -z red-zone info zonename: red-zone zonepath: /zpool01/zone/red-zone-x brand: lx autoboot: false bootargs: pool: limitpriv: scheduling-class: ip-type: shared net: address: 192.168.2.10 physical: e1000g0 # The zone definition can be deleted g-zone# zoncfg -z red-zone delete -F
We now have a defined zone. Use the zoneadm command to complete the OS installation into the zone named red-zone. The sub functions of zoneadm are related to the execution status of a zone. The install process of an lx branded zone requires Linux media. The media can be provided in a physical form and loaded into the system's CD-ROM drive, or you can use the “green” method and provide the image as one or more ISO files.
Listing 3. Install a Zone
# List the zone definition (from Listing 1) g-zone# zonecfg -z red-zone info zonename: red-zone zonepath: /zpool01/zones/red-zone brand: lx autoboot: false bootargs: pool: limitpriv: scheduling-class: ip-type: shared net: address: 192.168.1.10 physical: e1000g0 # The ISO files: g-zone# ls /zpool01/rh-media/rhel30-AS-U6/ rhel-3-u6-i386-as-disc1.iso rhel-3-u6-i386-as-disc3.iso rhel-3-u6-i386-as-disc2.iso rhel-3-u6-i386-as-disc4.iso # Install linux "desktop" distribution g-zone# zoneadm -z red-zone install -d ↪/zpool01/rh-media/rhel30-AS-U6 desktop Installing distribution 'Red Hat Enterprise Linux 3 Update 6'... Installing cluster 'desktop' Installing miniroot for zone 'red-zone'. Attempting to locate 30 packages... Installing 1 miniroot package... Attempting to locate 29 packages... Installing 29 miniroot packages... ... Installation of zone 'red-zone' completed successfully. Details saved to log file: "/zpool01/zones/red-zone/root/var/log/red-zone.install.1119.log" # Query the zones status (changed to installed) g-zone# zoneadm list -cv ID NAME STATUS PATH BRAND IP 0 global running / native shared - red-zone installed /zpool01/zones/red-zone lx shared
Once the zone installation is complete, it's time to boot it. Create two shells, and run the commands shown in Listing 4. Connect to the zone console first, then boot the zone in the second shell to get the full console experience (it's very fast, you'll not want to miss it). The example zlogin connects to the zone's console device and configures the escape (exit the zlogin) as the “#.” (pound sign then period) key sequence. This key sequence should be unique and avoid issues that the default sequence of “~.” (tilde then period) can cause when connectivity to the global zone is remote.
Listing 4. Boot a Zone
# Connect to the red-zone console and watch it boot g-zone(1)# zlogin C -e '#' red-zone # Boot the red-zone in a second window g-zone(2)# zoneadm -z red-zone boot # **** example console output from first window **** [Connected to zone 'red-zone' console] [NOTICE: Zone booting up] INIT: version 2.85 booting Welcome to Red Hat Enterprise Linux AS Press 'I' to enter interactive startup. Configuring kernel parameters: [ OK ] Setting clock : Mon Sep 29 20:20:56 EDT 2008 [ OK ] Setting hostname red-zone: [ OK ] ... Starting atd: [ OK ] Starting firstboot: [ OK ] Rotating KDC list [ OK ] Red Hat Enterprise Linux AS release 3 (Taroon Update 6) Kernel 2.4.21 on an i686 red-zone login:
A non-global zone has nearly the same abilities as the global zone to provide services: login connections are not limited to text or console logins. The use of zlogin with no options (only the zone name) connects to the zone without a console, which creates a tty and invokes login. Any active zone service also can be used, such as XDM, SSH and FTP, to allow other forms of login.
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