Manuel Arostegui Ramirez wrote:
http://www.todo-linux.com/modules.php?name=News&file=article&sid=2485
I followed that with a few modifications to make the chroot
environment look a little bit more like the natural environment.
One change I made was to put the jailed shell in
/usr/local/bin/jail_shells/pajaro
rather than in /bin/jail. This allows easy setup of different
users with jailed shells named for them. Another was to add
/home/pajaro/home/pajaro, so that the "home" directory shows
up in the chroot environment.
I see some consequences which are somewhat different from the
"normal" environment.
(1) I found that
$ su - pajaro
worked to log in, but not
$ login
login: pajaro
Password:
Login incorrect
(2) The user must enter his password twice when logging in,
once for the user and once for sudo to execute the chroot.
(3) The user, though jailed, runs as root in the chroot
environment, not as himself
bash-2.05b# whoami
whoami: cannot find username for UID 0
(4) After the initial login, the current directory is
/, not $HOME.
bash-2.05b# pwd
/
bash-2.05b# ls
bin home lib usr
bash-2.05b# cd
bash-2.05b# pwd
/home/pajaro
bash-2.05b#
Mike
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