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How To Create A Local Debian/Ubuntu Mirror With apt-mirror

How To Create A Local Debian/Ubuntu Mirror With apt-mirror

This tutorial shows how to create a Debian/Ubuntu mirror for your local network with the tool apt-mirror. Having a local Debian/Ubuntu mirror is good if you have to install multiple systems in your local network because then all needed packages can be downloaded over the fast LAN connection, thus saving your internet bandwidth.

Create A Desktop Background Wallpaper Changer For Xfce

Create A Desktop Background Wallpaper Changer For Xfce

I have switched to Xubuntu a few months ago coming from Kubuntu. In Kubuntu I liked the (already available) option of setting up a list of image files and have them randomly displayed as background image on the desktop. This was one of the things I have missed so far in Xfce. This small howto shows you how you can randomly display background wallpapers in XFCE.

Securing the connection between MySQL and MySQL Administrator using an SSH tunnel

Securing the connection between MySQL and MySQL Administrator using an SSH tunnel

This is a description of how to set up a secure tunnel between your MySQL Server and a locally running MySQL Administrator using Putty. By creating a secure tunnel to your MySQL server using Putty, you can grant localhost access to powerful applications like MySQL Administrator while at the same time, make your server appear as if it isn't even there. In effect, make your MySQL server disappear from the outside world.

OpenVZ On Debian Etch For Webservers

OpenVZ On Debian Etch For Webservers

Virtualization is nice! A good practice for servers, since it makes things more secure, scalable, replacable, and replicable. All this at the cost of little added complexity. This guide is written during an install of a Supermicro machine with 2 dual-core opterons (64-bit), 2 identical disks (for RAID) and a load of memory. Why OpenVZ and not XEN or the recent KVM kernel module? Well, XEN is not very stable for 64-bit architectures (yet), and it comes with quite a bit of overhead (every VM runs its own kernel) due to its complexity. KVM is very simple but restricts you to run a kernel as one process, so the VM cannot benefit from multi core systems.

How To Install Slackware 11 In VMware On Windows XP

How To Install Slackware 11 In VMware On Windows XP

Slackware 11 is out! All slackware users must be anxious to see this long waited version (Yes, I am a slacker ^^). To feel the new Slackware, I decided to install it in VMware on a laptop.

Setting Up A PXE Install Server For Multiple Linux Distributions With Ubuntu Edgy Eft

Setting Up A PXE Install Server For Multiple Linux Distributions With Ubuntu Edgy Eft

This tutorial shows how to set up a PXE (short for preboot execution environment) install server with Ubuntu 6.10 (Edgy Eft). A PXE install server allows your client computers to boot and install a Linux distribution over the network, without the need of burning Linux iso images onto a CD/DVD, boot floppy images, etc. This is handy if your client computers don't have CD or floppy drives, or if you want to set up multiple computers at the same time (e.g. in a large enterprise), or simply because you want to save the money for the CDs/DVDs. In this article I show how to configure a PXE server that allows you to boot multiple distributions: Ubuntu Edgy/Dapper, Debian Etch/Sarge, Fedora Core 6, CentOS 4.4, OpenSuSE 10.2, and Mandriva 2007.

The Perfect Setup - OpenSuSE 10.2 (32-bit)

The Perfect Setup - OpenSuSE 10.2 (32-bit)

This is a detailed description about how to set up an OpenSuSE 10.2 based server that offers all services needed by ISPs and hosters (web server (SSL-capable), mail server (with SMTP-AUTH and TLS!), DNS server, FTP server, MySQL server, POP3/IMAP, Quota, Firewall, etc.).

screen: Keep Your Processes Running Despite A Dropped Connection

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.

Key-Based SSH Logins With PuTTY

Key-Based SSH Logins With PuTTY

This guide describes how to generate and use a private/public key pair to log in to a remote system with SSH using PuTTY. PuTTY is an SSH client that is available for Windows and Linux (although it is more common on Windows systems). Using key-based SSH logins, you can disable the normal username/password login procedure which means that only people with a valid private/public key pair can log in. That way, there is no way for brute-force attacks to be successful, so your system is more secure.

Set Up Ubuntu-Server 6.06 LTS As A Firewall/Gateway For Your Small Business Environment

Set Up Ubuntu-Server 6.06 LTS As A Firewall/Gateway For Your Small Business Environment 

This tutorial shows how to set up a Ubuntu 6.06 LTS server ("Dapper Drake") as a firewall and gateway for small/medium networks. The article covers the installation/configuration of services such as Shorewall, NAT, caching nameserver, DHCP server, VPN server, Webmin, Munin, Apache, Squirrelmail, Postfix, Courier IMAP and POP3, SpamAssassin, ClamAV, and many more.
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