knowing what's running on Ubuntu
Sometimes, I left my beaglebone running over night, and next morning I can't remember what's running on back ground. the command ps can be help. http://www.cyberciti.biz/faq/show-all-running-processes-in-linux/ with out additional parameter, it list what I own. the PID is Process Identification ubuntu@arm:~$ ps PID TTY TIME CMD 12914 pts/0 00:00:00 bash 17211 pts/0 00:00:00 ps there are options: -A: select all processes a: select all processes on a terminal, including those of other users x: select processes without controlling ttys with ps a I can see if my python program is running for how long.. ubuntu@arm:~$ ps a PID TTY STAT TIME COMMAND 534 tty4 Ss+ 0:00 /sbin/getty -8 38400 tty4 536 tty5 Ss+ 0:00 /sbin/getty -8 38400 tty5 544 tty2 Ss+ 0:00 /sbin/getty -8 38400 tty2 545 tty3 Ss+ 0:00 /sbin/getty -8 38400 tty3 549 tty6 Ss+ 0:00 /sbin/getty -8 38400 tty6 760 tt