my *nix cheatsheet

// show disk usage
du -h * | sort -h
du -h --max-depth=1 . | sort -h -r
tree -L 3 --du -h -D

// show deleted files
lsof | grep deleted

// show drive info 
lsblk
lsblk -o +UUID

// show processes
ps aux | grep processname
htop

// su as particular user
sudo su username

// daemons/services
sudo service postgresql start
systemctl status postgresql.service
pg_ctl -D /usr/local/var/postgres start/stop

// start long running processes
nohup ./backup_fetch.sh > backup.log &


// Formatting new drives on new AWS ubuntu instance: 
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-using-volumes.html

// formatting new drives
sudo mkfs -t xfs /dev/xvdf
sudo mkdir /data
sudo mount /dev/xvdf /data

// automatic mount on reboot with fstab
sudo vim /etc/fstab
UUID=f4b551ad-949b-4f3a-8755-ac7f8f3f3d32  /data  xfs  defaults,nofail  0  2