I want to check the validity of my nginx configuration using nginx -t using it as a condition for a bash script. if [[ $(nginx -t) = *"successful"* ]]; then echo "success"; else echo "failure"; fi While the output of…
I want to send the stdout and stderr of terminal while I run a huge batch file. The batch file echoer.sh echo $HOME sleep 3 echo $HOME sleep 3 echo $HOME # n times Executing in terminal ./echoer.sh | redis-cli…
I need to run a bash script and get the output. The script has a loop with avariable. It works on terminal screen when I paste bash script only, but it gives error when I use subprocess by using Python.…
I got tar archives containing a lot of very small JSON files. Each day I get a new tar archive. Now I want to combine the daily tar archives into a yearly tar archive and compress it. I do that…
I have some ascii banners saved to plain text files that I use for different things and have used various ways to randomize the colors, but I haven't come up with a way to give every character a different color…
I'm writing a script to remotely install linux software updates (which use a .bin updater tool) using Expect. I'm having trouble matching one block, and I've tried a bunch of variations with no success. I've gotten other similar scripts to…
I need to get content of file in bash but i only need specific words which are ahead of a key word. The file looks like this: conn NameOfConnection1 some settings conn NameOfConnection2 some settings conn NameOfConnection3 some settings I…
Many shell scripts, including the bash profile, are simply lists of environment variable settings. One such script on Debian is /etc/os-release which looks like this: PRETTY_NAME="Debian GNU/Linux 10 (buster)" NAME="Debian GNU/Linux" VERSION_ID="10" VERSION="10 (buster)" VERSION_CODENAME=buster ID=debian HOME_URL="https://www.debian.org/" SUPPORT_URL="https://www.debian.org/support" BUG_REPORT_URL="https://bugs.debian.org/" The…
As written in the title, I am having some problem with my cron job script not executing. I am using CentOS 7. My crontab -e looks like this: 30 0 * * * /opt/abc/efg/cron_jobs.sh >> /opt/abc/logs/cron_jobs.log My cron_jobs.sh looks like…
I am automating dpkg-sig installation for one of my project purpose. Now I want to install it noninteractive way. I have added the following in a file inside /etc/sudoers.d/ Cmnd_Alias DPKGSIG_INSTALL = /usr/bin/apt install -y dpkg-sig, /bin/apt install -y dpkg-sig…