Linux Tutorials on the topic “linux”

  • Install and Configure Auth Shadow on Debian/Ubuntu

    Author: ThanatosTags: , , , , Comments: 3

    Install and Configure Auth Shadow on Debian/Ubuntu Auth Shadow or mod-auth-shadow is a module for apache (and apache2, sort of) that enables authentication against /etc/shadow. The benefits being that any system user with a password can be authenticated for web_dav, subversion or simply an https server. The only other way to do this is with PAM. That method is dangerous because the apache user (www-data in my case) must be able to read /etc/shadow. Obviously, not a good idea. Auth Shadow accomplishes this safely by using a intermediate program called validate. This works because validate can be owned by root but executable by everyone. In the event that your server is compromised through apache, your password file will not be readable.

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  • Modify Your Partitions With GParted Without Losing Data

    Author: falkoTags: , Comments: 5

    Modify Your Partitions With GParted Without Losing Data This article shows how you can modify the partitioning of your Linux system with GParted (Gnome Partition Editor) without losing data. This includes resizing partitions (enlarging and shrinking), moving partitions on the hard drive, creating and deleting partitions, and even modifying filesystem types. GParted is a free partition editor available as a desktop program and also as a Live-CD. It supports the following filesystems: ext2, ext3, fat16, fat32, hfs, hfs+, jfs, linux-swap, reiserfs, reiser4, ufs, xfs, and even ntfs (Windows).

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  • How To Set Up Linux As A Dial-In Server

    Author: sohaileoTags: Comments: 6

    How To Set Up Linux As A Dial-In Server This document describes how to attach modems to a Linux box and allow it to receive calls to connect users to the network. Its like being your own ISP (Internet Service Provider). If your Linux box is connected to the Internet, then the users will also be connected to the Internet. Your Linux box becomes a router. This is also known as RAS (Remote Access Services) in the Microsoft world. In the Linux world its called PPP (Point to Point Protocol).

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  • How To Resize ext3 Partitions Without Losing Data

    Author: falkoTags: , Comments: 62

    How To Resize ext3 Partitions Without Losing Data This article is about resizing ext3 partitions without losing data. It shows how to shrink and enlarge existing ext3 partitions and how to merge two ext3 partitions. This can be quite useful if you do not use LVM and you realize that your existing partitioning does not meet your actual needs anymore.

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

    linux Author: falkoTags: , , 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 www.chkrootkit.org and install manually: wget --passive-ftp ftp://ftp.pangeia.com.br/pub/seg/pac/chkrootkit.tar.gz tar xvfz chkrootkit.tar.gz cd chkrootkit-<version>/ make sense Afterwards, you can move the chkrootkit directory somewhere else, e.g. /usr/local/chkrootkit:

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  • Creating DjVu Documents Linux HOWTO

    Author: volodyaTags: Comments: 3

    Creating DjVu Documents Linux HOWTO This document explains some of the uses of djvulibre implementation of DjVu for creating quality DjVu documents in linux. DjVu format features bitmap document compression and hypertext structure. It is used by numerous web sites all around the world for storing and distributing digital documents including scanned documents and high-resolution pictures. One of the advantages of DjVu files is that they are notably small, often smaller than PDF or JPEG files with the same content. This makes DjVu a helpful tool for digitizing books and journals, especially scientific ones.

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  • screen: Keep Your Processes Running Despite A Dropped Connection

    Author: falkoTags: , Comments: 16

    screen: Keep Your Processes Running Despite A Dropped Connection I guess you all know this: you are connected to your server with SSH and in the middle of compiling some software (e.g. a new kernel) or doing some other task which takes lots of time, and suddenly your connection drops for some reason, and you lose your labour. This can be very annoying, but fortunately there is a small utility called screen which lets you reattach to a previous session so that you can finish your task. This short tutorial shows how to use screen for just this purpose.

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  • Cisco 350 Series And Kismet

    Author: un1xTags: , Comments: 0

    Cisco 350 Series And Kismet This tutorial is describing how to configure a Cisco Aironet wireless card and how to set up kismet in order to run with it.

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  • How to perform a point in time restoration using ZRM for MySQL

    Author: tkrTags: , , , Comments: 0

    How to perform a point in time restoration using ZRM for MySQL ZRM for MySQL is a powerful, flexible and robust backup and recovery solution for  MySQL databases for all storage engines. With ZRM for MySQL a Database Administrator can automate logical or raw backup to a local or remote disk. In this How To, we attempt to explain how to recover from an user error at any given point in time.

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  • Step-By-Step Configuration of NAT with iptables

    Author: ganesh35Tags: , Comments: 28

    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.

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