https://github.com/joakimteixeira/linux-cheat-sheet
Cheat-sheet with my most frequent Linux commands
https://github.com/joakimteixeira/linux-cheat-sheet
linux linux-commands ubuntu
Last synced: 4 months ago
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Cheat-sheet with my most frequent Linux commands
- Host: GitHub
- URL: https://github.com/joakimteixeira/linux-cheat-sheet
- Owner: JoakimTeixeira
- Created: 2020-05-21T15:45:00.000Z (about 5 years ago)
- Default Branch: master
- Last Pushed: 2020-05-22T15:26:20.000Z (about 5 years ago)
- Last Synced: 2025-01-17T08:37:19.750Z (5 months ago)
- Topics: linux, linux-commands, ubuntu
- Homepage:
- Size: 8.79 KB
- Stars: 1
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
Cheat Sheet - #Linux
My most used Linux commands
## Indice
- [Subtitle](#subtitle)
- [Subtitle Example](#subtitle-example)
- [File Editing](#file-editing)
- [Wildcard Example](#wildcard-example)
- [File info](#file-info)
- [File / Folder Creation](#file--folder-creation)
- [Command Info](#command-info)
- [SSH Key for Remote Access](#ssh-key-for-remote-access)
- [Network Troubleshooting](#network-troubleshooting)
- [Process Management](#process-management)
## Subtitle
Input | Description
------------------|------------
**[ ]** | Brackets only represent a user input (what you have to type)
**[file]** | Type a file name + extension (".txt", ".css", ".js", etc)
**[folder]** | Type a folder name
**[directory]** | Type a directory path
**[word]** | Type a Word
**[host]** | Type a remote computer name + IP address (example: [email protected])
**[PID]** | Type a process ID. It's a number listed in "top" or "ps" command and identifies the process
**[site]** | Type a site name or IP address
## Subtitle Example
* Command description: ```touch [file]```
* Desired input #1: ```touch myFile.html```
* Desired input #2: ```touch hello.txt```
Below, the commands are organized in groups:
## File Editing
Command | Description
----------------------------------------| -------------
nano **[file]** | Open file to edit
mv **[file]** **[file / directory]** | Rename/move file
cp [file] **[directory]** | Copy to directory
rm -rf **[file]** | Remove file (r = recursive, f = force)
rm ***[file]** | Wildcard: remove all files with same letter combination or extension
## Wildcard Example
rm *[file] | Description
------------|-------------
rm * | Remove all files
rm *.js | Remove all javascript files
rm a*.txt | Remove all text files beginning with the letter "a"
## File info
Command | Description
----------------------------------------| -------------
list -l | List files with detailed info (l = long)
list -a | List visible & insisible files (a = all)
cat **[file]** | Concatenate: print file content
head **[file]** | Print file's first 10 lines
tail **[file]** | Print file's last 10 lines
less **[file]** | Print file with navigation
grep **[word]** **[file]** | Search word in file and print corresponding line
find -name **[file]** | Find file directory
## File / Folder Creation
Command | Description
----------------------------------------| -------------
touch **[file]** | Create file
mkdir **[folder]** | Create folder
echo **[word]** > **[file]** | Write word inside file
## Command Info
Command | Description
----------------------------------------| -------------
man **[command]** | Get documentation about command
history **[command]** | Get the list of all typed commands
CTRL + R **[command]** | Reverse i-search: find command from history, based on typed input
cd ~/.bash_history | Go to invisible file in the HOME directory, which contains command history log
## SSH Key for Remote Access
Command | Description
----------------------------------------| -------------
ssh-keygen | Create SSH key pair
ls .ssh | Confirm if SSH key was created
ssh-copy-id **[host]** | Copy SSH key to remote computer
ssh **[host]** | Login remote computer with SSH
## Network Troubleshooting
Command | Description
----------------------------------------| -------------
ifconfig | Get network info
hostname -I | Get IPV4 & IPV6 info
route | Check if "default" line has IP, and if so, you can contact servers outside the local network
ping **[site]** | Check "packet loss" summary to see if you have a good internet connection
whois **[site]** | Get all info about domain names registered on the Internet
whois **[site]** \| grep **[word]** | Search for word inside "whois" command (\| = group commands together)
whois **[site]** \| head | Get first 10 lines of "whois" command
## Process Management
Command | Description
----------------------------------------| -------------
top | List processes executing in the computer
ps | Similar to "ls" command, but for processes
ps aux | More detailed info to "ps" command
kill **[PID]** | Kill process