Sept 6, 2023.

1: List the files/directories, try: ls -lrt

2: Compress folders, try: tar -zcvf /home/folder.tar.gz /home/folder

3. Secure copy from remote server to local, try: scp user_name@ip_address:/home/folder/file /local_dir/copied_files/

4. Secure copy from local to remote server, try: scp /local_dir/file user_name@ip_address:/home/folder/

5. Disk usage, try: du -sh /home/folder/*

6. Disk usage with sorting of output, try: du -sh /home/folder/* | sort -h

7. Centos7, check mariadb database status: service mariadb status