Learn Ubuntu

Installing screenkey

# Screenkey shows the keys pressed while screencasting
sudo apt-get install screenkey
# need to stop it from system-monitor

usb write permissions

 df -Th
 unmout /media/
 dosfsck -a /dev/sdb1

JOBS & PRIORITY

Change priority of jobs renice -20(priority) 7448(jobid)

IDENTIFY BOTTLENECK

mpstat
sar
vmstat -s
vmstat -m | head -5
vmstat -f
vmstat
iotop
htop