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== Restricting Xephyr connections ==
# ''outside chroot''
# ''outside chroot''
DISP=:1 # adjust to suit your configuration
DISP=:1 # adjust to suit your configuration
And, ''inside'' the chroot, set the <tt>DISPLAY</tt> and <tt>XAUTHORITY</tt> variables as directed by the setup script and copy the <tt>"$AUTH"</tt> file from outside the chroot into the chroot to the path assigned to <tt>"$XAUTHORITY"</tt>.
And, ''inside'' the chroot, set the <tt>DISPLAY</tt> and <tt>XAUTHORITY</tt> variables as directed by the setup script and copy the <tt>"$AUTH"</tt> file from outside the chroot into the chroot to the path assigned to <tt>"$XAUTHORITY"</tt>.
== as_person script, when PAM is misconfigured ==
cat > as_person <<EOF
#!/usr/bin/env python
from os import environ, chdir, setgroups, setgid, setuid, execve
from sys import argv
from pwd import getpwnam
user = getpwnam(argv[1])
environ['HOME'] = user.pw_dir
environ['USER'] = user.pw_name
chdir(user.pw_dir)
setgroups([user.pw_gid])
setgid(user.pw_gid)
setuid(user.pw_uid)
execve(argv[2], argv[2:], environ)
EOF
chmod a+x as_person
./as_person sugar /usr/bin/sugar