Useful Server Operations and Maintainence Command

server.sh

# Tarzip and compress a folder in linux
tar -zcvf  filename.tar.gz /mnt/volume-nyc1-03/foldername

# Check disk space
df -h

# Check current folder path
pwd

# Detach volume (Linode/DigitalOcean) remove text from fstab file
sudo nano /etc/fstab

# Run long running command in background
yum install screen
screen
 # run your command and press Ctrl + ad and screen -ls  listing all screens
 # Reattach screen
 screen -r 20449.pts-0.db


# take mysql dump of all DB
mysqldump -u root -p --all-databases | gzip -c -7 > "/mnt/volume_nyc1_06/backup/16-03-2020.sql.gz"