^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ schroot\[[[:digit:]]+\]: \(pam_unix\) session opened for user [-_.[:alnum:]]+ by ([-_.[:alnum:]]+)?\(uid=[[:digit:]]+\)$ ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ schroot\[[[:digit:]]+\]: \[[-._[:alnum:]]+ chroot\] \([-_.[:alnum:]]+->[-_.[:alnum:]]+\) Running login shell: '[-._/[:alnum:]]+'$ ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ schroot\[[[:digit:]]+\]: \[[-._[:alnum:]]+ chroot\] \([-_.[:alnum:]]+->[-_.[:alnum:]]+\) Running command: ".+"$