Jul 3, 2023 · I am doing a unix script using until loop.The idea of my script is it need to continuously verify the url status whether is up or down.When its up, it will exit the loop. In my …

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 …

Aug 7, 2011 · I encountered the following in /var/log/syslog on Ubuntu 14.04. Mar 24 09:41:19 ripple pulseaudio[4838]: [autospawn] core-util.c: Failed to create secure directory …

Mar 1, 2018 · I would like to use cat /dev/ttyUSB0 or something similar to monitor serial communication happening through my USB-serial adapter. I am successfully able to send …

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 …

Jan 27, 2015 · I'm using git. I did a normal merge, but it keeps asking this: # Please enter a commit message to explain why this merge is necessary, # especially if it merges an updated …

Is there any elegant method/technology-to-use/hack in linux, to achieve such file continuously written is at maximum N bytes long and always contains only last written data (sequentially)? …

May 12, 2017 · 6 Your loop is starting an endless number of shells, but one after the other, not in parallel. The first time the loop runs, it runs bash, which starts a new shell and displays the …

Jun 24, 2018 · Stop endless loop .sh script Ask Question Asked 7 years, 5 months ago Modified 7 years, 5 months ago