When you ssh into the bastion host, make sure you use the "-t" option to ssh. That forces a pseudo-terminal to get allocated.
I have no clue why that's not the default. > On Jun 23, 2020, at 10:47 AM, Isaac Johnson <is...@wikimedia.org> wrote: > > I'm interested in running some long-ish scripts that loop through the dump > replicas on Toolforge. Eventually, this sort of thing might move to crontab, > but for now it would be nice to run a screen session as we test / debug the > scripts. The problem is that if I run the scripts from my tool account (i.e. > after "become <tool-name>"), I get the following error: Cannot open your > terminal '/dev/pts/28' - please check. > > The internet indicates that this is because there is a user mismatch because > of the "become" command [1]. The suggested solutions weren't clearly > applicable: > * I can't just skip the "become" step and run the screen session as my > personal username as that's explicitly against the rules [2] (though it is > possible to start a screen session from my personal username without getting > the above error). > * It's not clear to me that running the screen session as /dev/null is > possible / smart / secure etc. Essentially, I don't have a great read on > whether that actually is the correct solution or just another bad hack. > > So is it possible to run screen sessions from my tool account? If so, does > anyone know how I might get around this issue? > > [1] > https://stackoverflow.com/questions/21328140/screen-cannot-open-your-terminal-dev-pts-0-please-check > > <https://stackoverflow.com/questions/21328140/screen-cannot-open-your-terminal-dev-pts-0-please-check> > [2] https://wikitech.wikimedia.org/wiki/Help:Toolforge/Rules > <https://wikitech.wikimedia.org/wiki/Help:Toolforge/Rules> > > Best, > Isaac > > -- > Isaac Johnson (he/him/his) -- Research Scientist -- Wikimedia Foundation > _______________________________________________ > Wikimedia Cloud Services mailing list > Cloud@lists.wikimedia.org (formerly lab...@lists.wikimedia.org) > https://lists.wikimedia.org/mailman/listinfo/cloud
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