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OpenSUSE

Conky - Lightweight system monitor in openSUSE

Post date: May 11, 2009, 22:05 Category: System Views: 6550 Comments
Tutorial quote: Conky is a free, light-weight system monitor for X, that displays any information on your desktop. Conky is licensed under the GPL and runs on Linux and BSD. Conky has more than 250 built in objects, including support for a plethora of OS stats (uname, uptime, CPU usage, mem usage, disk usage, “top” like process stats, and network monitoring, built in support for IMAP and POP3 and many popular music players (MPD, XMMS2, BMPx, Audacious).
Ubuntu

Open-Source Classroom Management With iTALC On Ubuntu 7.10

Post date: March 27, 2008, 11:03 Category: Desktop Views: 3802 Comments
Tutorial quote: This document describes how to set up iTALC on Ubuntu 7.10. iTALC is an open-source classroom management solution that lets you view and control other computers in your network. It lets you remote-control other computers, show the teacher's screen on all students' computers, lock workstations, send text-messages to students, power on/off and reboot remote computers, etc.
Debian

Using iSCSI On Debian Lenny (Initiator And Target)

Post date: March 12, 2009, 12:03 Category: Installing Views: 4379 Comments
Tutorial quote: This guide explains how you can set up an iSCSI target and an iSCSI initiator (client), both running Debian Lenny. The iSCSI protocol is a storage area network (SAN) protocol which allows iSCSI initiators to use storage devices on the (remote) iSCSI target using normal ethernet cabling. To the iSCSI initiator, the remote storage looks like a normal, locally-attached hard drive.
Debian

How To Set Up An SSL Vhost Under Apache2 On Ubuntu 9.10/Debian Lenny

Post date: January 21, 2010, 13:01 Category: Miscellaneous Views: 4346 Comments
Tutorial quote: This article explains how you can set up an SSL vhost under Apache2 on Ubuntu 9.10 and Debian Lenny so that you can access the vhost over HTTPS (port 443). SSL is short for Secure Sockets Layer and is a cryptographic protocol that provides security for communications over networks by encrypting segments of network connections at the transport layer end-to-end. We use the mod_ssl Apache module here to provide strong cryptography for Apache2 via SSL by the help of the Open Source SSL toolkit OpenSSL.
Linux

Building an LDAP Server on Linux, Part 1

Post date: April 15, 2005, 17:04 Category: Network Views: 3300 Comments
Tutorial quote: Your network is growing in size and complexity. It's taking on a life of its own, spreading and growing and absorbing everything in its path. You're tearing your hair out trying to keep track, and your users have somehow discovered your secret phone number and are pestering you with endless questions and demands--where do I find this; I don't want to keep track of a dozen different passwords; nothing works like it should.

Of several possible solutions, consider two: 1) find a new hiding place, or 2) implement an LDAP server. While finding a new hiding place might sound ideal, it's an option we're going to have to save for a future article. This series will instead explain what LDAP is good for, detail how to build an LDAP server, and cover what you can do with it.
Ubuntu

Striping Across Four Storage Nodes With GlusterFS On Ubuntu 9.10

Post date: January 28, 2010, 13:01 Category: Installing Views: 3237 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

Building a Linux virtual server

Post date: June 9, 2005, 14:06 Category: Software Views: 3704 Comments
Tutorial quote: With the explosive growth of the Internet, the workload on servers providing Web, email, and media services has increased greatly. More and more sites are being challenged to keep up with the growing demands and are employing several techniques to avoid overloading their servers. Building a scalable server on a cluster of computers is one of the solutions that is being effectively put to use. With such a cluster, the increasing requests can be easily managed by simply adding one or more new servers to the existing cluster as required. In this article we will look at setting up one such scalable, network load-balancing server cluster using a virtual server via the Linux Virtual Server Project.
SuSe

How To Set Up A USB-Over-IP Server And Client With OpenSUSE 11.2

Post date: January 31, 2010, 12:01 Category: Miscellaneous Views: 6274 Comments
Tutorial quote: This tutorial shows how to set up a USB-over-IP server with OpenSUSE 11.2 as well as a USB-over-IP client (also running OpenSUSE 11.2). The USB/IP Project aims to develop a general USB device sharing system over IP network. To share USB devices between computers with their full functionality, USB/IP encapsulates "USB I/O messages" into TCP/IP payloads and transmits them between computers. USB-over-IP can be useful for virtual machines, for example, that don't have access to the host system's hardware - USB-over-IP allows virtual machines to use remote USB devices.
Debian

Installing memcached And The PHP5 memcache Module On Debian Etch (Apache2)

Post date: September 11, 2008, 11:09 Category: Optimizing Views: 7444 Comments
Tutorial quote: This guide explains how to install memcached and the PHP5 memcache module on a Debian Etch system with Apache2. memcached is a daemon that can store objects in the system's memory (e.g. results of database queries) which can speed up your web site tremendously. You can use memcached over a network (i.e., install your web application on one server and memcached on another server), but usually you install both on one server to avoid the networking overhead.
Ubuntu

Creating An NFS-Like Standalone Storage Server With GlusterFS On Ubuntu 10.04

Post date: September 12, 2010, 20:09 Category: Installing Views: 3136 Comments
Tutorial quote: This tutorial shows how to set up a standalone storage server on Ubuntu 10.04. Instead of NFS, I will use GlusterFS here. The client system 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.
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