How to Read Parameters from a JSON File in BASH Script?
The parameters can be passed as command line to the shell scripts as $1, $2 etc. However, if there are many parameters, passing via command line is not ideal …
Category: Shell Scripts
Alarming on High Disk Usage using BASH + AWK + Crontab Job
April 24, 2021
awk, AWK, AWK programming, BASH, bash script, BASH Shell, batch script, linux, Shell Scripts, ubuntu
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Disk high usage are one of the common cause of server down. Some administrators would create a 8GB empty file, and once the disk usage is exceeding a threshold, …
Ping when VPS/Dedicate Server is Restarting
July 14, 2015
apache server, BASH Shell, network, quickhostuk, Shell Scripts, vps, webhosting
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If you have a VPS or dedicate server, you can issue the following command to let your server restarts (as root user): sudo shutdown -r now If you issue …
Linux Bash Coding Exercise – Get the Tenth Line of File
How would you print just the 10th line of a file? For example, assume that file.txt has the following content: Line 1 Line 2 Line 3 Line 4 Line …
Restart Apache Web Server On Errors
My VPS is running at Ubuntu Linux. The Apache2 Server is serving 6 websites. If, on errors (e.g. out-of-memory), the websites are down until the apache2 server is restarted …
