Category Archives: Ubuntu

Impermanence in Linux – Exclusive (By Hari Iyer)

Impermanence, also called Anicca or Anitya, is one of the essential doctrines and a part of three marks of existence in Buddhism The doctrine asserts that all of conditioned existence, without exception, is “transient, evanescent, inconstant” On Linux, the root of all randomness is something called the kernel entropy pool. This is a large (4,096 bit) number kept privately in the kernel’s

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10 Important “rsync” command – UNIX

Rsync (Remote Sync) is a most commonly used command for copying and synchronizing files and directories remotely as well as locally in Linux/Unix systems. With the help of rsync command you can copy and synchronize your data remotely and locally across directories, across disks and networks, perform data backups and mirroring between two Linux machines. This article explains 10 basic

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How to use parallel ssh (PSSH) for executing ssh in parallel on a number of Linux/Unix/BSD servers

Recently I come across a nice little nifty tool called pssh to run a single command on multiple Linux / UNIX / BSD servers. You can easily increase your productivy with this SSH tool. More about pssh pssh is a command line tool for executing ssh in parallel on some hosts. It specialties includes: Sending input to all of the

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30 Shades of “Alias” Command – UNIX

You can define various types aliases as follows to save time and increase productivity. #1: Control ls command output The ls command lists directory contents and you can colorize the output: ## Colorize the ls output ## alias ls=’ls –color=auto’   ## Use a long listing format ## alias ll=’ls -la’   ## Show hidden files ## alias l.=’ls -d

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