fakechroot runs a command in an environment were is additional possibility to
chroot(8) command without root privileges. This is useful for allowing
users to create own chrooted environment with possibility to install another
packages without need for root privileges.
fakechroot replaces some libc library functions (
by ones that simulate the effect of being called with root privileges.
These wrapper functions are in a shared library
/usr/lib/fakechroot/libfakechroot.so which is loaded through the
LD_PRELOAD mechanism of the dynamic loader. (See
In fake chroot you can install Debian bootstrap with
debootstrap command. In
this environment you can use i.e.
apt-get(8) command to install another
packages. You don't need a special privileges and you can run it from common
$ id uid=1000(dexter) gid=1000(dexter) groups=1000(dexter) $ fakechroot fakeroot debootstrap sid /tmp/sid I: Retrieving Release I: Retrieving Release.gpg I: Checking Release signature ... I: Base system installed successfully. $ fakechroot fakeroot chroot /tmp/sid apt-get install -q hello Reading package lists... Building dependency tree... Reading state information... The following NEW packages will be installed: hello 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. Need to get 57.4 kB of archives. After this operation, 558 kB of additional disk space will be used. Get:1 http://ftp.us.debian.org/debian/ sid/main hello amd64 2.8-4 [57.4 kB] Fetched 57.4 kB in 0s (127 kB/s) Selecting previously unselected package hello. (Reading database ... 24594 files and directories currently installed.) Unpacking hello (from .../archives/hello_2.8-4_amd64.deb) ... Processing triggers for man-db ... Processing triggers for install-info ... Setting up hello (2.8-4) ... $ fakechroot chroot /tmp/sid hello Hello, world!
fakechroot is mainly used as:
fakechroot had found another purposes:
Last edited by Piotr Roszatycki,