Linux Tutorials on the topic “linux”

  • How do I scan my Linux system for rootkits, worms, trojans, etc.?

    linux Author: Falko TimmeTags: , , Comments: 3

    Either with chkrootkit or with rkhunter. chkrootkit Either install the package that comes with your distribution (on Debian you would run apt-get install chkrootkit ), or download the sources from and install manually: wget --passive-ftp tar xvfz chkrootkit.tar.gz cd chkrootkit-<version>/ make sense Afterwards, you can move the chkrootkit directory somewhere else, e.g. /usr/local/chkrootkit:

  • Step-By-Step Configuration of NAT with iptables

    Author: ganesh35Tags: , Comments: 30

    Step-By-Step Configuration of NAT with iptables This tutorial shows how to set up network-address-translation (NAT) on a Linux system with iptables rules so that the system can act as a gateway and provide internet access to multiple hosts on a local network using a single public IP address. This is achieved by rewriting the source and/or destination addresses of IP packets as they pass through the NAT system.

  • Step-by-Step IPP based Print Server using CUPS

    Author: ganesh35Tags: Comments: 6

    Step-by-Step IPP based Print Server using CUPS  This tutorial describes how to install a Linux print server with CUPS. It also covers the installation and configuration of printer drivers on the print server as well as the printer setup on a Windows 2000 client.

  • Integrate Thunderbird with Active Directory

    Author: artaxerxesTags: Comments: 2

    Integrate Thunderbird with Active Directory To integrate Thunderbird to the AD, you must already have installed and configured Kerberos and Samba so that you can use the net ads to obtain the information you need. There are a lot of documentation out there to get to that point. I will just highlight the main points for the sake of completeness.

  • Creating .deb-Packages With Checkinstall

    Author: Falko TimmeTags: , , Comments: 3

    Creating .deb-Packages With Checkinstall Checkinstall is a nice tool to create simple .deb-packages that you can use in your local network (e.g. if you have to install the same piece of software on multiple computers running Debian). It lets you compile and install software from the sources like before, but with the difference that you end up with a simple Debian package which also means that you can easily uninstall the software you just compiled by running dpkg -r!

  • How can I get a list of quotas assigned to my users and groups and of the space used by them?

    apache Author: Falko TimmeTags: Comments: 0

    repquota -avug shows a list for both users and groups. repquota -au shows a list for users, repquota -ag a list for groups.

  • How To Install A Custom Iptables Firewall

    Author: sbovisjb1Tags: Comments: 2

    How To Install A Custom Iptables Firewall This guide is to show you how to edit your iptables if you're running on a server. This guide info came from iptables rocks, but I edited a bunch of data to make it suitable for what I want it to do

  • How do I find out if a remote system is still alive, if certain services are running, which processes are running, etc.?

    apache Author: adminTags: Comments: 0

    You can use ping to see if the system is alive: ping -c4 <system's IP address> To see if a certain service is still alive, use the telnet command: telnet <system's IP address> 25 (for SMTP) telnet <system's IP address> 80 (for HTTP) telnet <system's IP address> 110 (for POP3) You can login to the system using SSH (port 22) (use PuTTY if you are on a Windows PC; PuTTY is an SSH client for Windows), and when you are on the system, you have a few useful tools to gather more information:

  • Linux: How to burn a CD/DVD through the command line

    linux Author: Bill ToulasTags: , Comments: 0

    Carrying out common daily tasks such as burning a DVD through the comfort of a user-friendly graphical interface is, of course, a good thing, but unfortunately things don't always work as expected. When this is the case, Linux users can revert to the good old terminal to get things done no matter what. On this quick tutorial, we will see how Linux users can utilize the terminal to burn audio CDs, data DVDs or ISO images on a disk.