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Curl Follow Redirect(s)

Learn how to make curl automatically follow a redirect along with the most common pitfalls to avoid when doing so.

Show Curl Headers

curl request and response headers

Curl With Headers

send request headers with cURL

Copy File From Remote To Local Using Scp

copy files and directories from a remote to local

Curl With Basic Auth

perform a basic access authentication with cURL

Removing Directories in Linux

How to remove directories and their content

Chown Recursively

How to recursively change the ownership of files

Chmod +X

An overview of chmod +x and how to use it

Kill Command

Basic syntax and usage of the kill command

Chmod 755

General meaning, examples, and flags for chmod 755

Exclude With Grep

Excluding unwanted key terms or directories when using grep

Grep In a Directory

Grep to search for words/phrases in directories and subdirectories

How To Use Unix Wildcards

How to use wildcard characters in Linux/Unix commands

Grep Across Multiple Lines

Guide on several cases of using grep across multiple lines

What Does sudo chown Do?

Why sudo chown is sudo and some common pitfalls

How To Use sudo su

A quick overview of using sudo su

How to Add a User to Sudoers

Grant elevated privileges to users

POST JSON data with cURL

Different ways of sending JSON via cURL

Grep Count

Efficiently count lines or occurrences in a file.

Grep Multiple Strings

For two or more string, use an “or” expression (\|), or the -e flag.

mkdir if not exists

Create directories when they don’t already exist

Kill a Process in Linux

Strategies for finding and killing processes

Linux Chmod Command

Review how to best use the chmod command

Linux File Permissions Explained

Understand what common expressions do

How to use sudo rm -rf safely

We'll help you understand its components

How to run cron every hour

along with variations and examples

How to run chmod recursively

Using -R is probably not what you want

Bash printf

How to use string formatting with bash printf

Bash Comments

Comments will help make your scripts more readable

Bash Concatenate Strings

Join two strings together in Bash

Curl Post Request

Use cURL to send data to a server

Bash Aliases

Create an alias for common commands

Reading User Input

Via command line arguments and prompting users for input

Bash Case Statement

A popular alternative to the if-then-else statement

How to Make Grep Case Insensitive

By default, grep is case sensitive