User:Zeekec/schroot
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Warning, this page is a work in progress by zeekec (talk | contribs). Treat its contents with caution.
The program schroot allows the user to run a command or a login shell in a chroot environment.
Install dev-util/schroot
Since dev-util/schroot is already in the tree, installing is as simple as:
root #
emerge --ask dev-util/schroot
Create chroot
Configuration
FILE
/etc/schroot/chroot.d/gentoo32
[gentoo32] type=directory directory=/mnt/gentoo32 description=Gentoo 32 bit chroot users=zeekec,root root-users=zeekec,root personality=linux32 preserve-environment=true profile=gentoo32 aliases=default [gentoo32-plain] type=plain directory=/mnt/gentoo32 description=Gentoo 32 bit chroot users=zeekec root-users=zeekec personality=linux32 preserve-environment=true
FILE
/etc/schroot/gentoo32/copyfiles
# Files to copy into the chroot from the host system. # # <source and destination> /etc/resolv.conf /etc/machine-id
Note
I copied machine-id because there was a symlink to it in /var/lib/dbus, which is bind mounted below. Probably only one of those is needed.
I copied machine-id because there was a symlink to it in /var/lib/dbus, which is bind mounted below. Probably only one of those is needed.
FILE
/etc/schroot/gentoo32/fstab
# fstab: static file system information for chroots. # Note that the mount point will be prefixed by the chroot path # (CHROOT_PATH) # # <file system> <mount point> <type> <options> <dump> <pass> /proc /proc none rw,bind 0 0 /sys /sys none rw,bind 0 0 /dev /dev none rw,bind 0 0 /dev/pts /dev/pts none rw,bind 0 0 /tmp /tmp none rw,bind 0 0 /lib/modules /lib/modules none rw,bind 0 0 /usr/src /usr/src none rw,bind 0 0 /home /home none rw,bind 0 0 # If you use gdm3, uncomment this line to allow Xauth to work #/var/run/gdm3 /var/run/gdm3 none rw,bind 0 0 # For PulseAudio and other desktop-related things /var/lib/dbus /var/lib/dbus none rw,bind 0 0 # It may be desirable to have access to /run, especially if you wish # to run additional services in the chroot. However, note that this # may potentially cause undesirable behaviour on upgrades, such as # killing services on the host. /run /run none rw,bind 0 0 /run/lock /run/lock none rw,bind 0 0 /dev/shm /dev/shm none rw,bind 0 0 /run/shm /run/shm none rw,bind 0 0
FILE
/etc/schroot/gentoo32/nssdatabases
# System databases to copy into the chroot from the host system. # # <database name> passwd shadow group gshadow services protocols networks hosts