The ps command on Linux is very useful for listing running processes. It is possible to list only certain running processes. And also certain columns of text from the output. This could be very useful for a script. This example below shows how to only print the PID, the percentage…
Read MoreThe ps command lists all running processes on your Linux machine, this is how to fine-tune this and search for certain processes using wildcards. Use this example command line to find all Apache HTTP server instances. ps -ef | grep -i apache*ps -ef | grep -i apache* This is the…
Read MoreTo get information about a Linux process, use this simple trick, this is to get the processes associated with the current standard input. I.e a terminal. jason@Yog-Sothoth:~/Documents$ ps -T PID SPID TTY TIME CMD 7467 7467 pts/0 00:00:00 bash 7715 7715 pts/0 00:00:00 top 7826 7826 pts/0 00:00:00 psjason@Yog-Sothoth:~/Documents$ ps…
Read MoreThe BASH shell has many useful features that allow you to perform your tasks very easily. If you are running a program in a terminal and you wish to run another command whilst the first command is running, then press CTRL-Z to move the running process to the background. Then…
Read MoreTo get the command line of a process without the ps command, and the PID of the command is known, use this command. This example is using a process with a PID of 28633. ubuntu ~ $ cat /proc/28633/cmdline ; echo upstart-socket-bridge–daemonubuntu ~ $ cat /proc/28633/cmdline ; echo upstart-socket-bridge–daemon This…
Read MoreUptime. this is a useful command for finding out how long a Linux system has been running for. it also displays the load average over 1.5 and 15 minute intervals. deep-thought ~ # uptime 21:45:32 up 32 min, 3 users, load average: 1.88, 1.45, 1.08deep-thought ~ # uptime 21:45:32 up…
Read MoreUsing the install-mbr command to install a main boot record (MBR) onto a disk. [flynn@flynn-grid-runner media]$ sudo install-mbr –force –partition 1 /dev/sdi [sudo] password for flynn: [flynn@flynn-grid-runner media]$[flynn@flynn-grid-runner media]$ sudo install-mbr –force –partition 1 /dev/sdi [sudo] password for flynn: [flynn@flynn-grid-runner media]$ This command would be useful if you are building…
Read MoreThe Linux command-line has many powerful tools for viewing and managing running processes on your UNIX/Linux machine. The lsof command is a very useful command, it will display a list of all open files owned by active processes running on your system. Below is an excerpt from the output this…
Read MoreKilling a running task UNIX style in Windows 7 is very easy indeed, the tasklist command makes this just as easy as it is in UNIX/Linux.Just type tasklist in the command prompt and it will display a list of running processes. Then look for the PID of the process you…
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