While doing a run of the mill
apt upgrade, a Tomcat 7 post install script ran with the common
A new version of configuration file /etc/default/tomcat7 is available.... Unfortunately, I didn't attend to it quickly enough and the SSH connection was reset. How do I recover from this? Can I reattach to the post install screen? Is it safe to kill it? If I kill it, is there a script somewhere I should be manually executing?
I saw this question about doing an upgrade of OS versions, but either the solution (
screen -r) isn't relevant or I'm not using it correctly.
$ screen -r There is no screen to be resumed.
I can see the process running:
$ ps -a PID TTY TIME CMD 416 pts/2 00:00:00 frontend 423 pts/2 00:00:00 tomcat7.postins 430 pts/2 00:00:00 ucf 475 pts/2 00:00:00 whiptail 634 pts/1 00:00:00 ps
As suggested by Dmitry Zayats I've looked at the Tomcat 7 post install script. In my installation of Ubuntu 14.04, it's found here:
Opening that up, I believe I see the relevant line where I initially lost my connection:
ucf --debconf-ok --sum-file /usr/share/tomcat7/defaults.md5sum $tmpfile $CONFFILE