Kill user tty/pts sessions in Linux

Kill user tty/pts sessions in Linux

Commands

• w: show who is logged on and what they are doing
• who: show who is logged on
• tty: show current users pseudo terminal
• ps -ft pts/1: get process id for the pseudo terminal
• pkill: signal process based on name and other attributes

1. Check active users logged into the server with: w

    16:53:37 up 23:46,  2 users,  load average: 0.00, 0.00, 0.00
   USER     TTY      FROM             LOGIN@   IDLE   JCPU   PCPU WHAT
   ubuntu   pts/1    127.0.0.1     16:45    0.00s  0.04s  0.00s w
   ubuntu   pts/2    127.0.0.1:S.0 16:35   16.00s  0.02s  0.02s /bin/bash

2. Get the PID (Process ID) of a connected terminal (tty) with: ps -ft pts/1

   UID        PID  PPID  C STIME TTY          TIME CMD
   ubuntu   28580 28102  0 16:45 pts/1    00:00:00 -bash
   ubuntu   29081 28580  0 16:55 pts/1    00:00:00 ps -ft pts/1

3. Kill the process: kill 28580
4. Alternatively use pkill -t pts/1