10 bad UNIX or Linux command line usage patterns to avoid

Michael Stutz is author of The Linux Cookbook, has published excellent set of 10 bad UNIX usage patterns. These are applies to Linux, OS X shell as well
You can adopt 10 good habits that improve your UNIX / Linux command line efficiency — and break away from bad usage patterns in the process. [...]
10 bad [...]

How to tunnel with SSH - Secure Windows to UNIX or Linux connectivity

Learn how to tunnel with ssh, to get Windows to UNIX connectivity in a secure world. With new security threats cropping up every day, network managers are understandably protective of their computing assets. Enhanced security measures, however, can inflict significant hardships on legitimate users and can lead to frustration, productivity losses, and dangerous attempts at [...]

TightVNC - Free Remote Control Tool

TightVNC is a free, cross-platform remote control software package derived from the popular VNC software. VNC stand for Vitual Network Computing which allow remotely view and fully-interact with one computer from any other computer or mobile device anywhere on the Internet. TightVNC includes better compression algorithms for improved performance over WAN [...]

How to extract an RPM package without installing it

Most of you may know to how extract a tarballs and/or a zip files. Someone recently PM me with a question:
How do I extract an RPM package without installing it on my Fedora Core Linux v5?
To be frank there is no direct RPM option available via rpm command to extract an RPM file. [...]

UNIX File maintenance tools, tips and how tos collection

IBM developerworks has published excellent set of tips and howtos.
From the article:
Systems administrators can use a number of programs to maintain files in a UNIX system from the command line. In this tutorial, you’ll experiment with commands, such as cd, cp, and tar, to navigate a UNIX file system from the command line and [...]

Prevent from using (reuse) same old passwords under Linux

PAM is a flexible mechanism for authenticating users.
There is a module called pam_unix. This module provides functionality for PAM modules such as authentication, account management etc.
Same module can be used to maintain a list of old passwords for every user. This is useful if you want to disallow use [...]

Linux or UNIX: How to find out or display the Ethernet Address (MAC)

Media Access Control (MAC) address is a unique identifier attached to most networking devices (such as router, Ethernet cards etc).
This address is some time required. For example, there is famous engineering expensive software. This software needs your unique MAC address to issue you license and necessary software installation keys. Some time MAC address [...]

Howto: Linux Refresh all or an X screen Kde-Gnome desktop

Linux or UNIX desktop systems are quite stable. However, some time weird things happen like unreadable screen and confusing application causing massive screen messed up, which makes it difficult to read what is on the Linux desktop.
Generally, I have observed that most users prefer to hit CTRL+ALT+Back Space or just kills the X session. However, [...]

Webmin Configuration in Ubuntu and Debian

Webmin is a web-based interface for system administration for Unix. Using any browser that supports tables and forms (and Java for the File Manager module), you can setup user accounts, Apache, DNS, file sharing and so on.
Webmin consists of a simple web server, and a number of CGI programs which directly update system files like [...]

Howto switch from Linux to Windows - a users experience

I’ve read articles like “Switching for Windows to Linux in five easy steps” or “How changing your operating system can make fun with Linux” or “Why you should give Linux a chance” for five years now but there are always people who say Linux is difficult to learn and Windows has much easier install routines [...]

« Previous Page — Next Page »