![]() ![]() We can see that they almost literally copied the code. Ok, now we have yet another file, /run/motd.dynamic. Session optional pam_motd.so motd=/run/motd.dynamic In modern Linux, PAM is in charge of login authentication. Then, PAM thought that that was actually a cool idea and copied it from Ubuntu. etc/motd was then made into a symbolic link to /var/run/motd And pam_motd copied it If mv -f /var/run/motd.new /var/run/motd thenĮcho "ERROR: could not install new MOTD" 1>&2įi fi echo "ERROR: could not generate new MOTD" 1>&2 Set -e if ! touch /var/run/motd.new 2>/dev/null thenĮcho "ERROR: Permission denied, try:" 1>&2įi if run-parts -lsbsysinit /etc/update-motd.d > /var/run/motd.new then # Copyright (C) 2008-2014 Dustin Kirkland # update-motd - update the dynamic MOTD immediately The script runs all the scripts in /etc/update-motd.d using run-parts, then stores all output in /var/run/motd. an entry in /etc/cron.d calling update-motd every 10 minutes.Ubuntu came along Then, Ubuntu Intrepid Ibex (2008) introduced a package update-motd, which consisted of Some distributions such as Arch keep operating this way. The exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright.ĭebian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. The programs included with the Debian GNU/Linux system are free software MOTD stands for message of the day (although it was static), and was put in place at installation time, only to be changed at upgrade time maybe. Time ago, most distributions just printed the contents of /etc/motd upon login. Hopefully, this post will help get the big picture from one single place. ![]() It is not a difficult thing to do but it can be a big waste of time to sort out the contradictions. Even typing man motd in Debian is a sad experience. ![]() This is one of those things where the internet has plenty of resources, but they are mostly outdated and contradictory. This is a little guide to display dynamic login messages on a Debian system. ![]()
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