How to find filesystem block size in linux or Unix ?
Today we will look how to find a filesystem blocksize in Linux or Unix Operating System. There are many ways, however the preferred ways are quoted below. 1. Use blockdev...
Tag: command
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Linux: How to redirect command output to a file and also view it on screen side by side ?
Here we will see a trick to save the command output to one or more files alongwith viewing the output on screen. This commandis very ueful for logging and at...
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RHEL or Centos: How to count number of files inside a directory in Linux ?
In this article, we will look different ways or tricks to count number of files inside a directory in linux. I. Get files inside /tmp Using “wc -l” command on...
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How to pass multiple keystrokes or y to a command in Centos or Redhat Linux ?
In this post, we will check how to automate entering of multiple y’s to a shell command or script. This tip is very useful to sometimes automate few install scripts/commands....
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Tip: sudo in the last command in Linux bash shell quickly.
In this post, we will look at an interesting topic how to refer the last command in bash shell. Sudo last command quickly ### Run the command [nglinux@nglinux ~]$...
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Docker Basic Tips 1: How to download an image and work with containers ?
In this post, we will look at the tips of using docker to get images and creating & working with containers. 1. Pull an image: $ docker pull centos Using...
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Viewing priority of different running processes in Linux, and how to change it ?
In this post, we will look various ways how to view priority of a linux process and how to change it. 1. Viewing Priority of Linux process a. Using Top...
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What is command grouping in Linux and how to use it ?
Do you know how to group multiple commands together and redirect their output collectively to a file ? It is a very small tip, however many of us dont know...
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How to create a custom user command in Linux quickly ?
Today we will check how to create a custom user command in Linux easily. Lets see the procedure step by step. The easiest way is to create a function and...
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How to read source of a Binary file alongwith assembly code (or Machine code)?
Here we will look at one of the interesting feature of Linux to read the source program from a binary file. This is one of the most useful tip that...