Rajashekar Chintalapati

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unix

A collection of 10 posts

February 3, 2022

Sending process to background: Ctrl-z, &, bg, fg, disown and nohup

Sending process to background: Ctrl-z, &, bg, fg, disown and nohup

Use case: Let’s say you logged into a remote machine, you executed a command, it is taking time, and you want to logout but you want the process to keep running in the background, you can follow the below steps...

linux process-management job-control shell bash zsh background-processes signals nohup disown system-administration command-line unix

January 28, 2022

Scripting with ex: non-visual form of vi

Scripting with ex: non-visual form of vi

Command ex is the non-visual form of vi (specified by POSIX). Any command used in vi in command mode (command following :) can be kept in a file for scripting against the text.

vi vim ex text-editing scripting automation command-line batch-processing editor unix tips

January 18, 2022

OpenSSH: Setup, Secure keys, Tunneling, Jump host and batch mode

OpenSSH: Setup, Secure keys, Tunneling, Jump host and batch mode

In this post, I will go through how to setup OpenSSH, secure your keys, set up SSH Tunnel, socks proxy, use jump hosts and batch mode is ssh.

ssh security remote-access configuration key-management networking system-administration authentication linux unix tips

December 17, 2021

Steps to customize emacs

Steps to customize emacs

In this post, I will be discussing how to set up emacs.

emacs editor productivity text-editing configuration customization elisp packages development-tools unix linux macos vim

November 29, 2021

Steps to customize Zsh

Steps to customize Zsh

In the below post, I will walkthrough on how to customize zsh. Ensure you installed zsh; the configuration file will be in your home directory ~/.zshrc. I recommend using oh-my-zsh as it provides all the necessary settings by default. If...

zsh shell terminal productivity configuration customization oh-my-zsh plugins themes unix linux macos development-tools

November 14, 2021

Terminal Emulators: Alacritty and Kitty

Terminal Emulators: Alacritty and Kitty

Below are some terminal emulators that I used across platforms.

terminal terminal-emulator alacritty kitty productivity command-line shell unix linux macos windows development-tools workflow comparison

October 16, 2021

Steps to customize vim

Steps to customize vim

I will go through some ways to customize Vim; this will be a long post. You can use below table of contents below to navigate between topics.

vim editor productivity text-editing shortcuts configuration plugins navigation search-replace buffers windows command-line unix development-tools

October 13, 2021

Steps to customize tmux

Steps to customize tmux

With Tmux, you can manage multiple sessions/terms and navigate quickly. There are advanced terminals like iTerm2 from which you can accomplish most of the tasks that can be done by tmux, but since iTerm2 is available only to macOS, you...

tmux terminal multiplexer productivity configuration customization session-management unix linux macos development-tools workflow

July 19, 2019

Bulk renaming in Bash/Zsh

Bulk renaming in Bash/Zsh

Tai Lung: gasps The Wuxi finger hold! Po: Oh, you know this hold. Tai Lung: You’re bluffing. You’re bluffing! Shifu didn’t teach you that! Po: Nope. I figured it out. Skidoosh. — [Kung Fu Panda]

bash zsh linux shell file-management bulk-operations parameter-expansion scripting automation unix macos regex pattern-matching

July 18, 2019

Important shortcuts in Bash/Zsh

Important shortcuts in Bash/Zsh

Below are some essential shortcuts built-in in Bash (and in Zsh), which enables a user to quickly move around the current command, edit it, and utilize previous commands.

zsh bash linux shell terminal shortcuts productivity command-line unix macos readline history-expansion navigation keyboard-shortcuts

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About Rajashekar Chintalapati

Compiled musings of a developer

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