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Linux

Tunneling MySQL connections through SSH

Post date: January 2, 2007, 20:01 Category: Security Views: 3407 Comments
Tutorial quote: 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.
Ubuntu

Ubuntu 8.04 (Hardy Heron) LAMP Server Setup

Post date: June 22, 2008, 18:06 Category: System Views: 4343 Comments
Tutorial quote: In around 15 minutes, the time it takes to install Ubuntu Server Edition, you can have a LAMP (Linux,Apache, MySQL and PHP) server up and ready to go. This feature, exclusive to Ubuntu Server Edition, is available at the time of installation.
Debian

Distributed Storage Across Four Storage Nodes With GlusterFS On Debian Lenny

Post date: June 25, 2009, 11:06 Category: Installing Views: 3128 Comments
Tutorial quote: This tutorial shows how to combine four single storage servers (running Debian Lenny) to one large storage server (distributed storage) with GlusterFS. The client system (Debian Lenny as well) will be able to access the storage as if it was a local filesystem. GlusterFS is a clustered file-system capable of scaling to several peta-bytes. It aggregates various storage bricks over Infiniband RDMA or TCP/IP interconnect into one large parallel network file system. Storage bricks can be made of any commodity hardware such as x86-64 servers with SATA-II RAID and Infiniband HBA.
Debian

Running scripts after a reboot for non-root users

Post date: April 5, 2006, 01:04 Category: System Views: 2364 Comments
Tutorial quote: There is an alternative way of adding entries to your crontab file, using shortcuts. The shortcuts allow you to make entries that will match at particular times.
Linux

Chmod Squad: HOWTO Use Linux File Permissions

Post date: January 6, 2007, 21:01 Category: System Views: 3713 Comments
Tutorial quote: A complete new user's guide to the Linux file permission system, with examples. Be mystified no more by cryptic file permission bits.
Linux

Setting the Clock on Linux

Post date: April 12, 2005, 17:04 Category: System Views: 2257 Comments
Tutorial quote: There are 3 protocols dealing with time: NTP (port 123), Time (port 37), and Daytime (port 13). If you're connecting to the Internet periodically, then synchronizing your clock when you dial up or from crontab is good enough. This applies also to most Linux machines at home or at work, even if they are connected all the time. Here is a short tutorial on how to set your clock using these 3 protocols.
RedHat

My First Linux Server, Part 2

Post date: April 14, 2005, 22:04 Category: Miscellaneous Views: 3690 Comments
Tutorial quote: A file server is a specialized PC that holds large numbers of files that many people on a network can access. It "serves up" files to everyone instead of each person having files on his or her own PC. The good news is that you don't have to be a network guru to set up a basic file server. If you followed the Easy Linux Install steps in Part 1, you are ready to set up a Linux PC as a file server.

While there are many ways to set up a network and a server, this article concentrates on the simplest approaches with the highest chance of quick success.
Ubuntu

Striping Across Four Storage Nodes With GlusterFS On Ubuntu 9.10

Post date: January 28, 2010, 13:01 Category: Installing Views: 2353 Comments
Tutorial quote: This tutorial shows how to do data striping across four single storage servers (running Ubuntu 9.10) with GlusterFS. The client system (Ubuntu 9.10 as well) will be able to access the storage as if it was a local filesystem. GlusterFS is a clustered file-system capable of scaling to several peta-bytes. It aggregates various storage bricks over Infiniband RDMA or TCP/IP interconnect into one large parallel network file system. Storage bricks can be made of any commodity hardware such as x86_64 servers with SATA-II RAID and Infiniband HBA.
Linux

How To Secure An SSL VPN With One-Time Passcodes And Mutual Authentication

Post date: June 30, 2007, 23:06 Category: Security Views: 3384 Comments
Tutorial quote: SSL-based VPNs were designed to eliminate the need for complex configurations on the user's PC. Unfortunately, that was before the dangers of public WiFi networks and tougher regulatory requirements came into being. Thanks to WiFi, many attacks that were difficult are now quite simple. In particular, a man-in-the-middle attack can intercept SSL-encrypted traffic, rendering SSL-based VPNs useless - even if it is protected by a typical one-time password system. The man-in-the-middle can easily feed the one-time password into the SSL-based VPN within the alloted time.
Debian

How To Search For Missing Packages With apt-file On Debian and Ubuntu

Post date: February 21, 2007, 19:02 Category: System Views: 3118 Comments
Tutorial quote: This short article describes how you can search for missing packages with apt-file on Debian and Ubuntu systems. apt-file allows you to search for a file name, and it gives back the name(s) of the package(s) containing that file so that you can install the appropriate package.
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