To kill the outer loop I usually add a sleep command and press CTRL-C some more times: while :; do LONGTIME_COMMAND; sleep 1; done. Please notice: the colon behind while is …

I have a program which produces useful information on stdout but also reads from stdin. I want to redirect its standard output to a file without providing anything on standard input. So far, so goo...

Apr 9, 2021 · Also, in while [ true ], the test checks if true is a non-empty string. It obviously is, so this does work in giving an endless loop. But [ false ] would also be always true, so a test like …

The following concerns non-interactive crontab manipulation: So, to remove particular tasks programmatically, you could do something like $ crontab -l | grep -v 'PATTERN' >crontab.txt …

Jan 22, 2015 · If you are a non-sudo user trying to bind sockets, then yes it might be a permissions problem. Have you tried running it as sudo?: sudo restart php-fpm I don't see a …

FYI BSD solved this decades ago. Scroll lock will pause any scrolling buffer in any terminal or screen. Where is this in linux!!!!!

This unfortunately doesn't eliminate successive directory entries from the path, i.e. baz:foo:foo:bar removing foo becomes baz:foo:bar. This is because the colon on both sides of the pattern …

Is there a way to back out of all SSH connections and close PuTTY in "one shot"? I work in Windows 7 and use PuTTY to SSH to various Linux hosts. An example of the way I find myself …

I just want to build a means to determine, if another node is "down" using several ssh-network connections with several physical lines. I do this by just openening an ssh-session (that more …

From the tail(1) man page: With --follow (-f), tail defaults to following the file descriptor, which means that even if a tail’ed file is renamed, tail will continue to track its end. This default …