Category: BASH Shell

The inbuilt BASH does not support floating point arithmetic calculations but we can easily declare a function to do so via AWK. #!/bin/bash # calc.sh function calc() { awk …

If you connect to a SSH – when the window is closed, all running programs in the current session will be terminated. One way to solve this is to …

I have quite a few servers, and deploying same files/folders to them is a problem. Then I come up with the following BASH script where I can just run …

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, …

We can write a BASH Script to print out the current CPU frequency and temperature on Raspberry PI. #pi@raspberrypi:~ $ cat ./cpu_freq.sh #!/bin/bash temp=`head -n 1 /sys/class/thermal/thermal_zone0/temp | xargs …