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    Zones (Solaris 10)

    Zones will appear as a separate server when you log into them in most respects but there are a few things to be aware of.

    Obviously no hardware stuff can be done in a non-global zone.

    Config files can be found in /etc/zones and are fairly easy to navigate (they are in xml though). They should not be edited manually.

    The All Important Commands[edit]

    There are three main commands pertaining to zones which can be used to administer and access non-global zones (despite sshing from the outside).

    • zonecfg - used to configure zones, this command can be used interactively configure zones
    • zoneadm - this command is likely to be the most used command. It can be used to boot and check the status of zones. Below are a few useful examples:-
    zoneadm -z myzone boot
    

    (boots the specified zone)

    zoneadm -z myzone halt
    

    (halts the specified zone)

    zoneadm -z myzone reboot
    

    (any guesses?)

    zoneadm list -cv
    

    (shows a list of installed zones and the status of them)

    • zlogin - this command will enable you to login into the specified zone. This command can be particularly useful if you require console access:-
    zlogin -C myzone
    

    (will give you console access)

    Zoneified Commands[edit]

    Some commands have been zoneified to allow for new functionality:-

    • ps - has a -z option now which should show which zone the process is running in.

    Patching/Packages Zones[edit]

    As the standard CW build will use the sparse-root model (/usr/ and/sbin mounted read only from the global zone), this impacts patches and packages. If these filesystems are affected by the patch/package, then they will have to be installed from the global zone and will apply to all zones.

    Installing Packages[edit]

    If a patch is to be installed, it will by default be installed in all zones (even if they aren't

    Stopping a zone autobooting[edit]

    Do:-

    zonecfg -z z1
    set autoboot=false
    info
    commit
    exit
    

    Info will confirm the current state of autoboot.

    Changing a zones IP address[edit]

    zonecfg -z zonename
    select net address=x.x.x.x   (where x.x.x.x is the current address)
    set address=y.y.y.y  (where y.y.y.y is the new address)
    end
    verify
    commit
    exit 
    


    Mouinting a disk in a zone[edit]

    you can mount a drive directly into a "live" zone

    # mount /dev/md/dsk/d12 /zones/z1/root/mnt/tmp
    

    To make this permanent you have to edit the "zone config"

    zonecfg -z testzone
    zonecfg:testzone> add fs
    zonecfg:testzone:fs> set dir=/mnt/tmp
    zonecfg:testzone:fs> set special=/dev/md/dsk/d12
    zonecfg:testzone:fs> set raw=/dev/md/rdsk/d12
    zonecfg:testzone:fs> set type=ufs
    zonecfg:testzone:fs> end
    zonecfg:testzone> verify
    zonecfg:testzone> commit   # omit this line if you do not want to apply right away
    zonecfg:testzone> exit
    


    See also[edit]

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