bash

cool sed/grep magic to convert output to csv format

2019/03/11

I generallly keep doing this a lot, so thought will share with you. Lets assume we are capturing free ouput every min/hour/or whatever. The output looks like this: […] Time: Mon Jan 21 23:59:10 …

bash function for rpm whatprovides

2018/12/31

Sometimes some simple one-liner function can save you a lot of time, like-

Directories with maximum number of files

2018/12/10

Lot of times, I want to find the directories with maximum number of files and so I wrote this quick function to do exactly the same

mv command with progress

2018/03/19

When moving large files/directories, I would like to see the progress. Idea for this is to use rsync with progress and remove source files. But that option does not remove the empty directories left …

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 …


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