
With this post I will continue explaining basic Linux commands for newbies
kill -9 process_pid (e.g. kill -9 2344)
Process pid is unique number for each process occurs when server start (use ps x and/or ps aux command to list all active processes). The process pid is the first number on each row
pico file_name OR vi file_name (e.g. pico psybnc.conf)
This command open a file in edit mode
su
With this command allows you to login as admin if you are logged in as a simple user without root access
passwd
With this command you can change current logged in user password
man command (e.g. man ls)
Get info about a command from Linux help database
cat file_name (e.g. cat psy.conf)
Use this command to read the contents of a file
cp /old_path/file_name /new_path/file_name (e.g. cp /home/heavyant/psy.conf /home/ha/psy.conf)
Copy a file from one location (folder) to another (folder)
mv /old_path/file_name /new_path/file_name (ex: mv /home/heavyant/a.conf /home/ha/a.conf)
Move a file from one location (folder) to another (folder)
who OR w
Use this command to see who else is logged on the server
chmod file_name OR folder_name (e.g. chmod psy.conf 777)
Change the permissions of a file or folder (read, write, execution for user or admin)
mkdir folder_name (e.g. mkdir heavyant)
Create a new folder with given name
rmdir folder_name (e.g. rmdir heavyant)
Delete a folder
ping IP (e.g. ping 81.11.122.26)
Check if given IP address is online
df
Check for server hard drive capacity
tail file_name (e.g. tail logs.log)
Read a file and displays the last 10 lines
locate file_name OR folder_name (e.g. locate psybnc)
Search for a file or folder
hystory
See the last commands used on the server