This article is written by Hari Haran. As a system administrator, you may want to know who is on the system at any give point in time. You may also want to know what they are doing. In this article let us review 4 different methods to identify who is on your Linux system. [...]
Ramesh Natarajan
Photo courtesy of Michael_P This article is written by Balakrishnan M A while back we reviewed 11 examples on how to use editcap utility to capture network dumps. In this article, let us review mergecap utility and tshark commands. Mergecap is a packet dump combining tool, which will combine multiple dumps into a [...]
Photo courtesy of Steffe This article is written by SathiyaMoorthy. Using the traditional ps command, you have to manually look at the PID and Parent PID to identify the dependencies between the processes. Sometimes it may be helpful to view the Linux processes in hierarchical format showing the child processes under the parent process. [...]
This article is part of the on-going Software For Geeks series. PuTTY Connection Manager was mentioned in the 12 PuTTY add-ons that we discussed a while back. One of the major missing features in PuTTY is the ability to display multiple sessions in Tabs. PuTTY CM displays multiple PuTTY sessions in Tabs. In this article, [...]
Photo courtesy of shandrew This article is written by SathiyaMoorthy. This article is part of the ongoing Vi / Vim Tips and Tricks Series. I tend to make simple spelling mistakes while writing, as English is not my first language. Wouldn’t be nice if Vim editor can do the spelling correction automatically as you make [...]
Photo courtesy of new1mproved This article is written by Lakshmanan G Ifconfig command is used to configure network interfaces. ifconfig stands for interface configurator. Ifconfig is widely used to initialize the network interface and to enable or disable the interfaces. In this article, let us review 7 common usages of ifconfig command. 1. View Network [...]
Photo courtesy of Håkan Dahlström This article is written by SathiyaMoorthy. This article is part of the ongoing Vi / Vim Tips and Tricks series. Navigation is a vital part of text editing. To be very productive, you should be aware of all possible navigation shortcuts in your editor. In this article, let us review [...]
This article is written by SathiyaMoorthy This article is part of the ongoing Vi / Vim Tips and Tricks series. There are 3 powerful M’s in VIM — Macro, Mark, and Map. Each is intended for a separate job. Macro for recording a job and repeating it. Mark for bookmarking a particular position in a [...]