SSH Cheatsheet
Server / Spec Checks
Checking the server memory (RAM) consumption:-
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1 |
free -m |
Checking the server HDD consumption:-
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1 |
df -h |
Checking the size of each top-level directories from a directory:-
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1 |
du -h --max-depth=1 /path/to/directory/ |
Checking the server date/time:-
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1 |
date |
Checking Linux build/version:-
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1 |
uname -a |
Checking server operating system version:-
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1 |
cat /etc/redhat-release |
Basic Commands
Navigate to a particular directory:-
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1 |
cd /var/www/vhosts/example.com/ |
List the contents of the current directory:-
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1 |
ls |
Edit a file:-
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1 |
vi /etc/httpd/httpd.conf |
Save and exit a file:-
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1 |
:wq |
Exit a file without saving:-
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1 |
:q |
Working with Files & Folders on the Linux Command Line
Creating Archives
Tar
Everything in current directory:-
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1 |
tar cf filename.tar * |
Everything in specific directory:-
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1 |
tar -cf filename.tar directoryname/ |
Zip
Working with MySQL on the Linux Command Line
Exporting MySQL Database
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1 |
mysqldump -u username -p database > filename.sql |
You will be prompted to enter the password for the database user after entering the above.
Be sure to replace username with the database username, database with the name of the database and filename with whatever you wish to call the dump file.
Importing MySQL Database
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1 |
mysql -u username -p database < filename.sql |
Be sure to replace username with the database username, database with the name of the database and filename with whatever the name of the dump file you’re importing is.
