Date: Sat, 08 Mar 2008 12:31:28 -0500 From: Jeffrey Smith <jeffrey.smith@futurecis.com> To: freebsd-jail@freebsd.org Subject: ZFS Jails Management Message-ID: <1204997488.26124.45.camel@mrwizard.futurecis.com>
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I created a little cheat sheet for ZFS Jails (don't know if already
exists, can't find it by google). This works but was wondering if there
was a better way, or ways to improve this.
ZFS Jails
#zpool create pool
#zfs create -o mountpoint=jails pool/jails
#zfs create pool/jails/jailbase
#mkdir -p /jails/7.0-RELEASE/base /jails/7.0-RELEASE/manpages
#cd /jails/7.0-RELEASE/base
NOTE: Files can also be copied from Disc1 cdrom
#ftp ftp.freebsd.org:/pub/FreeBSD/releases/amd64/7.0-RELEASE/base/
ftp>mget *
ftp>cd ../manpages
ftp>lcd ../manpages
ftp>mget *
ftp>exit
#export DESTDIR=/jails/jailbase
#sh install.sh
#cd ../manpages
#sh install.sh
#export DESTDIR=¡¡
#mkdir -p /jails/jailbase/usr/ports
#mount_nullfs /usr/ports /jails/jailbase/usr/ports
#touch /jails/jailbase/etc/fstab
#cp /etc/resolv.conf /jails/jailbase/etc
#vi /etc/rc.conf
#
# Jail Defaults
#
jail_enable=¡YES¡
jail_set_hostname_allow=¡NO¡
jail_interface=¡bge0¡
jail_devfs_enable=¡YES¡
jail_list=¡jailbase¡
#
# jailbase.example.org
#
jail_jailbase_hostname=¡jailbase.example.org¡
jail_jailbase_ip=¡192.168.0.50¡
jail_jailbase_rootdir=¡/jails/jailbase¡
:wq
#/etc/rc.d/jail start
#jls
#jexec 1 tcsh
#set autolist
NOTE: freebsd-update appears to work, but no updates are yet available
for 7.0 to test this further
Install ports or packages that all jails will require, such as bash and
vim-lite
#exit
Back to host
#zfs snapshot pool/jails/jailbase@YYYYMMDD#
#zfs clone pool/jails/jailbase@YYYYMMDD# pool/jails/ns
#zfs clone pool/jails/jailbase@YYYYMMDD# pool/jails/mail
#zfs clone pool/jails/jailbase@YYYYMMDD# pool/jails/www
#vi /etc/rc.conf
...snip...
jail_list=¡jailroot ns mail www¡
...snip...
#
# ns.example.org
#
jail_ns_hostname=¡ns.example.org¡
jail_ns_ip=¡192.168.0.51¡
jail_ns_rootdir=¡/jails/ns¡
#
# mail.example.org
#
jail_mail_hostname=¡mail.example.org¡
jail_mail_ip=¡192.168.0.52¡
jail_ns_rootdir=¡/jails/mail¡
#
# www.example.org
#
jail_www_hostname=¡www.example.org¡
jail_www_ip=¡192.168.0.53¡
jail_www_rootdir=¡/jails/www¡
:wq
#/etc/rc.d/jail start
#jls
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