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The Debian package installer once asked me (a long long time ago) whether I want to restart sshd after a glibc update, saying existing sessions wouldn’t be affe

The Debian package installer once asked me (a long long time ago) whether I want to restart sshd after a glibc update, saying existing sessions wouldn’t be affected. That was a lie, apparently, because the SSH session I was updating the system died and the resulting SIGHUP killed the update process in a way that necessitated some recovery later. More seriously, Mikrotik routers have a nice feature where they will rollback your config change if the connection you’re configuring one over stops responding to keepalives. Like a lot of Microtik features, it’s probably copied from some Serious Business network OS, but I wouldn’t know.

Mr_Modulo 3y ago
Yes, the Safe Mode button. But you have to remember to press it before you start configuring the router and then exit Safe Mode when you're done.
tremon 3y ago
it’s probably copied from some Serious Business network OS I wouldn't know who came first, but it's a feature of JunOS (Juniper) as well: every config apply first applies the config, then waits for confirmation on the terminal where it was ran. If confirmation isn't given within X seconds, it reverts the config change.
- tortue0 3y ago
  That only applies when you do "commit confirmed".
housemusicfan 3y ago
> Like a lot of Microtik features, it’s probably copied from some Serious Business network OS, but I wouldn’t know. Not sure who came first, but OpenWRT does this if you make a breaking change in the webinterface, and connectivity is lost for 60 sec, it will rollback the changes.