https://github.com/mnestorov/linux-commands
This list of Linux commands should provide you with a more comprehensive understanding of the tools available for various tasks in the Linux environment.
https://github.com/mnestorov/linux-commands
commands-cheatsheet linux-command linux-commands linux-commands-cheatsheet linux-shell
Last synced: 2 months ago
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This list of Linux commands should provide you with a more comprehensive understanding of the tools available for various tasks in the Linux environment.
- Host: GitHub
- URL: https://github.com/mnestorov/linux-commands
- Owner: mnestorov
- Created: 2022-11-16T15:28:45.000Z (over 2 years ago)
- Default Branch: main
- Last Pushed: 2023-11-30T10:10:42.000Z (over 1 year ago)
- Last Synced: 2025-01-22T15:28:29.338Z (4 months ago)
- Topics: commands-cheatsheet, linux-command, linux-commands, linux-commands-cheatsheet, linux-shell
- Homepage:
- Size: 34.2 KB
- Stars: 1
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
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README
# Linux Commands
## Overview
This list of Linux commands should provide you with a more comprehensive understanding of the tools available for various tasks in the Linux environment.
## Networking
- [Ping Host](#ping-host)
- [Get whois for domain](#get-whois-for-domain)
- [Get DNS for domain](#get-dns-for-domain)
- [Reserve loockup host](#reserve-loockup-host)
- [Outputs the webpage from url](#outputs-the-webpage-from-url)
- [Connect at host as user](#connect-to-a-host-as-a-user-ssh)
- [Display network interfaces and their configuration](#display-network-interfaces-and-their-configuration)
- [Display active network connections](#display-active-network-connections)
- [Download a file from the internet](#download-a-file-from-the-internet)
- [Transfer files via FTP](#transfer-files-via-ftp)
## Permissions
- [Change directory permissions](#change-directory-permissions)
## File Management
- [List files and directories](#list-files-and-directories)
- [Create a new directory](#create-a-new-directory)
- [Remove a directory](#remove-a-directory)
- [Copy a file](#copy-a-file)
- [Move a file](#move-a-file)
- [Delete a file](#delete-a-file)
- [Display the contents of a file](#display-the-contents-of-a-file)
## User Management
- [Add a new user](#add-a-new-user)
- [Delete a user](#delete-a-user)
- [Change a users password](#change-a-users-password)
## System Information
- [Display system information](#display-system-information)
- [Check disk usage](#check-disk-usage)
- [Check memory usage](#check-memory-usage)
- [Display running processes](#display-running-processes)
- [Show the history of commands](#show-the-history-of-commands)
## File Compression
- [Compress a file using gzip](#compress-a-file-using-gzip)
- [Decompress a gzip file](#decompress-a-gzip-file)
- [Create a tarball archive](#create-a-tarball-archive)
- [Extract a tarball archive](#extract-a-tarball-archive)
## File and Directory Navigation
- [Change the current directory](#change-the-current-directory)
- [Go to the users home directory](#go-to-the-users-home-directory)
- [Go back to the previous directory](#go-back-to-the-previous-directory)
- [List files and directories with details](#list-files-and-directories-with-details)
- [List all files including hidden files](#list-all-files-including-hidden-files)
## Searching
- [Search for a file or directory](#search-for-a-file-or-directory)
- [Search for text within files](#search-for-text-within-files)
## Text Manipulation
- [Display the first few lines of a file](#display-the-first-few-lines-of-a-file)
- [Display the last few lines of a file](#display-the-last-few-lines-of-a-file)
- [Sort lines of a text file](#sort-lines-of-a-text-file)
- [Count words, lines, and characters in a file](#count-words-lines-and-characters-in-a-file)
- [Replace text in a file](#replace-text-in-a-file)
## System Administration
- [Shutdown the system](#shutdown-the-system)
- [Reboot the system](#reboot-the-system)
- [Display disk usage by directory](#display-disk-usage-by-directory)
- [Display the current date and time](#display-the-current-date-and-time)
- [Display the systems uptime](#display-the-systems-uptime)
- [Change the owner of a file or directory](#change-the-owner-of-a-file-or-directory)
- [Change the group ownership of a file or directory](#change-the-group-ownership-of-a-file-or-directory)
- [Schedule a command to run at a specific time using at](#schedule-a-command-to-run-at-a-specific-time-using-at)
- [Schedule a recurring command using cron](#schedule-a-recurring-command-using-cron)
- [View system logs](#view-system-logs)
- [Display the list of installed packages](#display-the-list-of-installed-packages)
- [Install a package using apt-get](#install-a-package-using-apt-get)
- [Update the package list](#update-the-package-list)
- [Upgrade installed packages](#upgrade-installed-packages)
- [Remove a package](#remove-a-package)
## SSH Key
- [Generate a new SSH key](#generate-a-new-ssh-key)
- [View your public SSH key](#view-your-public-ssh-key)
## PHP Versions
- [Switch Between Multiple PHP Versions](#switch-between-multiple-php-versions)
---
## Networking
### Ping Host
```
ping example.com
```
### Get whois for domain
```
whois example.com
```
### Get DNS for domain
```
dig example.com
```
### Reserve loockup host
```
dig -x 192.168.1.1
```
### Outputs the webpage from URL
```
curl example.com
```
### Connect to a host as a user (SSH)
```
ssh [email protected]
```
### Display network interfaces and their configuration
```
ifconfig
```
### Display active network connections
```
netstat
```
### Download a file from the internet
```
wget http://example.com/file_name
```
### Transfer files via FTP
```
ftp ftp.example.com
```
## Permissions
### Change directory permissions
```
chown -R www-data:www-data /var/www/example.com
```
```
chmod 755 /path/to/directory
```
## File Management
### List files and directories
```
ls
```
### Create a new directory
```
mkdir new_directory
```
### Remove a directory
```
rmdir directory_name
```
### Copy a file
```
cp source_file destination
```
### Move a file
```
mv source_file destination
```
### Delete a file
```
rm file_name
```
### Display the contents of a file
```
cat file_name
```
## User Management
### Add a new user
```
adduser new_username
```
### Delete a user
```
deluser username
```
### Change a users password
```
passwd username
```
## System Information
### Display system information
```
uname -a
```
### Check disk usage
```
df -h
```
### Check memory usage
```
free -h
```
### Display running processes
```
top
```
### Show the history of commands
```
history
```
## File Compression
### Compress a file using gzip
```
gzip file_name
```
### Decompress a gzip file
```
gunzip file_name.gz
```
### Create a tarball archive
```
tar -cvzf archive_name.tar.gz directory_name
```
### Extract a tarball archive
```
tar -xvzf archive_name.tar.gz
```
## File and Directory Navigation
### Change the current directory
```
cd /path/to/directory
```
## Go to the users home directory
```
cd ~
```
## Go back to the previous directory
```
cd -
```
## List files and directories with details
```
ls -l
```
## List all files including hidden files
```
ls -a
```
## Searching
### Search for a file or directory
```
find /path/to/start -name "file_name"
```
### Search for text within files
```
grep "search_text" /path/to/files/*
```
## Text Manipulation
### Display the first few lines of a file
```
head file_name
```
### Display the last few lines of a file
```
tail file_name
```
### Sort lines of a text file
```
sort file_name
```
### Count words, lines, and characters in a file
```
wc file_name
```
### Replace text in a file
```
sed 's/old_text/new_text/g' input_file > output_file
```
## System Administration
### Shutdown the system
```
shutdown -h now
```
### Reboot the system
```
reboot
```
### Display disk usage by directory
```
du -sh /path/to/directory
```
### Display the current date and time
```
date
```
### Display the systems uptime
```
uptime
```
### Change the owner of a file or directory
```
chown new_owner /path/to/file_or_directory
```
### Change the group ownership of a file or directory
```
chgrp new_group /path/to/file_or_directory
```
### Schedule a command to run at a specific time using at
```
echo "command" | at 3:00pm
```
### Schedule a recurring command using cron
```
crontab -e
```
### View system logs
```
less /var/log/syslog
```
### Display the list of installed packages
```
dpkg --list
```
### Install a package using apt-get
```
sudo apt-get install package_name
```
### Update the package list
```
sudo apt-get update
```
### Upgrade installed packages
```
sudo apt-get upgrade
```
### Remove a package
```
sudo apt-get remove package_name
```
## SSH Key
### Generate a new SSH key
**Generate a new SSH key pair (using RSA with 4096 bits)**
```
ssh-keygen -t rsa -b 4096 -C "[email protected]"
```
### View your public SSH key
```
cat ~/.ssh/id_rsa.pub
```
## PHP Versions
### Switch Between Multiple PHP Versions
```
sudo update-alternatives --config php
```
---
## License
This repository is unlicense[d], so feel free to fork.