bash
Highest disk usage of directory in subdirectories
2018/03/12
I find myself doing this lot of times so thought will share this with you all. Basically, once I want to clear out the directory, I first want to find out the sub-directory using the maximum disk …
send mail using telnet from script
2017/12/25
If you have no other option but to use telnet with authentication to send mail 🙂
search for a port number
2017/09/11
I find myself doing google everytime I want to search for port number mapping. So, here is a short script to do just that 🙂
bash ansi codes to html for html reports from shell script
2017/02/20
How many times you have felt that there was some simple way to convert bash ansi escape sequences ( colors as well in terminal ) to html equivalent so that you can send the same as html report in …
ansible with docker dynamic inventory
2017/01/09
So, I have a few dockers. Every now and then I want to run some command on all of them. Doing ‘docker exec’ is tiresome. I found this neat solution with ansible that I thought I should share with you. …
Trello – backup to your linux machine
2017/01/02
Just in case, you are looking for backing up your trello account boards, you can use the following bash script to do so: #!/bin/bash - …
change the output format for time command
2016/08/16
If you are doing some scripting and using ‘time’ command, then you know sometimes it becomes difficult to capture the output as the output would be something like this: : amit ; time ls real 0m0.002s …
Generate random string for various use case
2016/08/08
Some times I need random string, for example to use as email seperator or to use in some API. One way is to use tools like /dev/[u]random or od and other such. But they seem cubersome after I figured …
Get your local IP address like pro
2016/07/10
In shell scripts if you need to get you local IP address corresponding to your hostname then you can use this command
image ordering by Original Date Time using bash script
2016/01/05
Here is the script: #!/bin/bash - #=============================================================================== # # FILE: imgOrg.sh # # USAGE: ./imgOrg.sh # # DESCRIPTION: # # OPTIONS: --- # …
How to verify sha256sum for multiple file or one file.
2015/10/30
So, lets say you have downloaded the SHA256SUMS files. This file contains the sha256sum for multiple files and you want to compare the values for only one or some of them, then the simplest thing you …
Get count of lines in scripts (shell)
2015/10/15
If you have tried to get the count of lines in file, the you would know about “nl” or “wc -l”. But as you are aware these give you number of lines with other details as well and you need to post …