Command line cheatsheet

This command lists the file system showing used and available space. Add --total flag to display a sum of all resources at the bottom.

#cli#file#linux 
df -h
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Copy file to the same directory. Put the name of the file you want to copy after the 'cp' command followed with the name of the new copied file.

#cli#file 
cp file-to-copy.txt new-copied-file.txt
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Navigate to the directory you want your file to sit in. The command will create a file with a specified name.

#cli#file 
touch your-new-file.js
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Displays detailed view of all folders and files in a given directory including owners and update dates.

#cli#linux 
ls -al
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Display all partitions and available space in Linux

#cli#file 
df -h
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Open document in Nano editor.

#cli#nano 
nano file-to-edit.js
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Removes contents of a file but does not delete it.

#cli#file 
cat /dev/null > file-to-wipe.txt
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Display all groups user belongs to.

#cli#linux 
groups user-name
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Htop is a useful tool for monitoring your system's performance. It displays CPU, RAM, and swap file usage. It also lists all of the running processes.

#cli#tooling 
htop
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This command lists all sites enabled on the server.

#cli#linux 
apache2ctl -S
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Lists all installed packages in your Linux/Unix environment.

#cli#packages 
dpkg --list
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Creates a new directory using the second parameter as a name.

#cli 
mkdir new-directory
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Adds executable permissions to a file.

#cli#file#linux 
chmod +x filename.html
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Move file to a different directory.

#cli#file 
mv [file name] [new location]
// i.e.
mv file-to-move.js ./new/directory/for/the/file
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Move with all the files to a different directory.

#cli#folder 
mv folder-name/* /new/destination/folder/
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Login to MySQL. Put username after the -u flag and use -p flag to insert password.

#cli#mysql 
mysql -u root -p
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Logout from MySQL.

#cli#mysql 
quit
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Ping command lets you check the status of the domain name or an IP address

#cli 
ping domain-to-ping.com
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This command lets you preview the contents of the file directly in the console.

#cli#file 
cat file-to-preview.js
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Deletes file.

#cli#file 
shred -uvz file-to-remove.txt
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This command will uninstall a given package with all the config files.

#cli#packages 
sudo apt-get --purge remove package-name
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Restart MySQL server installed on Linux

#cli#file#mysql 
sudo /etc/init.d/mysql restart
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This command lets you copy a file from a remote server to your local machine.

#cli#file 
scp root@hostname:/path/to/file /path/to/local/destination
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Returns top folders in the given directory and their size.

#cli#file 
du -sh /var/www/html/path/to/folder/*
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Start MySQL server installed on Linux

#cli#file#mysql 
sudo /etc/init.d/mysql start
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Stop MySQL server installed on Linux

#cli#file#mysql 
sudo /etc/init.d/mysql stop
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Show latest entries from the system journal.

#cli#linux 
journalctl | tail
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