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commandlinefu.com is the place to record those command-line gems that you return to again and again.

Delete that bloated snippets file you've been using and share your personal repository with the world. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

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May 19, 2015 - A Look At The New Commandlinefu
I've put together a short writeup on what kind of newness you can expect from the next iteration of clfu. Check it out here.
March 2, 2015 - New Management
I'm Jon, I'll be maintaining and improving clfu. Thanks to David for building such a great resource!

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Psst. Open beta.

Wow, didn't really expect you to read this far down. The latest iteration of the site is in open beta. It's a gentle open beta-- not in prime-time just yet. It's being hosted over at UpGuard (link) and you are more than welcome to give it a shot. Couple things:

  • » The open beta is running a copy of the database that will not carry over to the final version. Don't post anything you don't mind losing.
  • » If you wish to use your user account, you will probably need to reset your password.
Your feedback is appreciated via the form on the beta page. Thanks! -Jon & CLFU Team

Commands tagged timeout from sorted by
Terminal - Commands tagged timeout - 7 results
if [ -n "$SSH_CONNECTION" ]; then export TMOUT=300; fi
2012-11-03 18:39:25
User: Testuser_01
Functions: export

This will check if a user is logged in using ssh and will log out the user automatically after the specified time in seconds without data retrieval on the server side.

Will work with bash and zsh so put it into your sourced shell file on the server side.

Be aware that users can change this themselves as it's just a envoronment variable.

timeout -k 1m 30s some_command
2012-03-27 18:06:18
User: tlemerond
Tags: fg bg kill timeout

A timeout is great, but what if the command is taking longer than expected because it's hung up or ran into some other problem? That's where the -k option comes in. Run "some_command" and timeout after 30s. If the command is still running after 1 minute, it will receive a kill signal.

timeout 5s COMMAND
timelimit -t100 somecommand
2010-09-27 08:44:37
User: CodSpirit

I found this in Ubuntu repos, and consider it better than timeout.

very_long_command& sleep 10; kill $!
2010-04-29 20:43:13
User: dooblem
Functions: kill sleep

or "Execute a command with a timeout"

Run a command in background, sleep 10 seconds, kill it.

! is the process id of the most recently executed background command.

You can test it with:

find /& sleep10; kill $!

echo 'ServerAliveInterval 60' >> /etc/ssh/ssh_config
2010-03-31 09:22:54
User: rpavlick
Functions: echo
Tags: ssh timeout

ssh_config is the system-wide configuration file for ssh.

For per-user configuration, which allows for different settings for each host:

echo 'ServerAliveInterval 60' >> ~/.ssh/ssh_config


echo 'ServerAliveInterval 60' >> ~/.ssh/config


echo 'ServerAliveInterval 60' >> ~/etc/ssh_config
timeout 10 sleep 11