How to disable crontab “-r” option in Linux ?
In this article, we will look at a trick how to disable crontab “-r” option in Linux. “E” and “R” lies nearby, hence there are chances while typing “crontab -e”,...
Tag: linux
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What are dictionaries in python and how to work with them ?
Dictionaries is a special type of content holder used in python just like an array. In array, we reference a value using an index number, however in a dictionary we...
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How to create classes and objects in python ?
Today we will look how to create classes and object of these classes in python. To understand how to define classes and create its objects, lets have a look at...
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GIT/ GITHUB Cheatsheet with startup commands.
From some time now, i have started using GIT and GITHUB now since in my organization we are working on GITHUB. Hence i preferred to create a cheatsheet kind of...
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Create a command to auto-login to some server.
Today we will see how to create a command to ssh a particular server to ease our life. Here i have created a function ngessh to ssh a particular server...
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How to install ansible in your Linux or Mac OS system ?
Today we will look how to install ansible on our Linux system using pip or pip3 command. To understand the installation process, lets have a look step by step. 1....
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How to define and use functions in python ?
In this post, we will look how to define and use functions in python. To understand this, lets see an example below. Using Functions in Python In python, the function...
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Which is better raid 10 or raid 01 ?
In this post, we will look what is RAID 10, and RAID 01 and which is better in between the two. RAID or Redundant Array of inexpensive disks is a...
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Different parameters available in Linux Bash Shell with examples
In this post, we will look at the different parameters available in Linux Bash shell. These parameters are very useful in preparation of shell scripts and in general shell operations....
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What data remains in page cache on Linux and how to remove it with one command quickly ?
In this post, we will at an interesting topic what data get stored in page cache and how to remove it quickly with one command. To understand this lets take...