check available space
This command lists the file system showing used and available space. Add --total flag to display a sum of all resources at the bottom.
df -h
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This command lists the file system showing used and available space. Add --total flag to display a sum of all resources at the bottom.
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.
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.
touch your-new-file.js
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Open document in Nano editor.
nano file-to-edit.js
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Removes contents of a file but does not delete it.
cat /dev/null > file-to-wipe.txt
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Display all groups user belongs to.
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.
htop
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This command lists all sites enabled on the server.
apache2ctl -S
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Lists all installed packages in your Linux/Unix environment.
dpkg --list
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Creates a new directory using the second parameter as a name.
mkdir new-directory
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Adds executable permissions to a file.
chmod +x filename.html
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Move file to a different directory.
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.
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.
mysql -u root -p
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Logout from MySQL.
quit
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Ping command lets you check the status of the domain name or an IP address
ping domain-to-ping.com
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This command lets you preview the contents of the file directly in the console.
cat file-to-preview.js
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Deletes file.
shred -uvz file-to-remove.txt
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This command will uninstall a given package with all the config files.
sudo apt-get --purge remove package-name
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Restart MySQL server installed on Linux
sudo /etc/init.d/mysql restart
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Start MySQL server installed on Linux
sudo /etc/init.d/mysql start
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Stop MySQL server installed on Linux
sudo /etc/init.d/mysql stop
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Show latest entries from the system journal.
journalctl | tail
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