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Miscellaneous

Move multiple files using mv command​

Move multiple files from a folder to another folder in Linux using 'mv' command

mv -t DESTINATION file1 file2 file3

Example: mv -t ./Other final_doc1.odt filenames.txt new_wall.jpg

Get full path of a file in terminal​

Use realpath command

Example: realpath auto.sh

output: /home/appuser/Desktop/scripts/auto.sh

Search a term in any files on a folder​

Use grep -Ri "search_term"

  • R - recursive
  • i - ignore case

Example: grep -Ri "ssh"

output:

Miscellaneous.md:Example: `grep -R "ssh"`

Problem_Fixing.md:_through Secure Socket Shell(SSH)**_

Fish_Abbreviations.md:### SSH Commands

Fish_Abbreviations.md:* sr - `ssh appuser@192.168.1.230`

Fish_Abbreviations.md:* sl - `ssh appuser@192.168.1.228`

Check size of files in a directory​

ls -lh

Sample Output:

total 3.2G
-rw-rw-r-- 1 appuser appuser 125K Feb  6 11:27 biology.jpeg
drwxrwxr-x 6 appuser appuser 4.0K Jun 20 10:10 ImageResize
-rw-rw-r-- 1 appuser appuser   58 May 21 10:55 path.txt
-rw-r--r-- 1 appuser appuser 3.2G Jun 25 09:52 data.zip
-rw-rw-r-- 1 appuser appuser 145K Jun  2 14:54 screenshot.png

Check Port details​

ss -tuln | grep port_number

  • ss: Utility to dump socket statistics (replaces the older netstat).

  • Flags: -tuln

    • -t: Show TCP sockets
    • -u: Show UDP sockets
    • -l: Show listening sockets only
    • -n: Show numerical addresses (don’t resolve hostnames/services)

  • | grep port_number: Filters the output to lines containing the specified port_number