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Tutorial: Squid proxy server with DansGuardian, ClamAV, WPAD on Ubuntu 9.04 |
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| This tutorial will demonstrate how to set up a Squid Proxy server on Ubuntu 9.04 Server with DansGuardian (for content filtering) and ClamAV (for Virus scanning); in addition, we will set up Web Proxy AutoDetection (WPAD) through DHCP (in this case, the Windows Server 2003 DHCP server) or DNS so that the only configuration necessary on the client side is to check "Auto-detect proxy settings for this network" in Firefox or Internet Explorer. At the end of the tutorial, users will have a fully functional and secure proxy for HTTP access. read more... |
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| | mail this link | permapage | score:9998 | -falko, July 3, 2009 |
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Using IP Service Object In Firewall Builder |
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| This article continues the series of articles on Fireall Builder, a graphical firewall configuration and management tool that supports many Open Source firewall platforms as well as Cisco IOS access lists and Cisco ASA (PIX). This article demonstrates how you can work with IP Service object in Firewall Builder. read more... |
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| | permapage | score:9983 | -falko, July 2, 2009 |
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Install OpenERP Server on Ubuntu 9.04 |
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| This article will show you how to set up openerp-server 5.0.0-3-1 + openerp-client 5.0.0-3-1 + openerp-web 5.0.1 on Ubuntu Server 9.04. Open ERP (formerly named Tiny ERP) is the leader open-source ERP/CRM system written mostly in Python and initiated in Belgium. It offers a three-tier web architecture, ease of use and flexibility. read more... |
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| | permapage | score:9972 | -falko, June 26, 2009 |
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Apache, MySQL, PHP, Zend Framework on Ubuntu 9.04 |
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| This is a brief description of the steps required to set up a basic web server using Apache 2, a MySQL database, and PHP (on Ubuntu 9.04) with the Zend Framework installed. read more... |
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| | permapage | score:9969 | -falko, June 19, 2009 |
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Tutorial: Distributed replicated storage with GlusterFS on Debian Linux |
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| This tutorial shows how to combine four single storage servers (running Debian Lenny) to a distributed replicated storage with GlusterFS. Nodes 1 and 2 (replication1) as well as 3 and 4 (replication2) will mirror each other, and replication1 and replication2 will be combined to one larger storage server (distribution). Basically, this is RAID10 over network. If you lose one server from replication1 and one from replication2, the distributed volume continues to work. 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. read more... |
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| | mail this link | permapage | score:9968 | -falko, July 1, 2009 |
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Tutorial: Enable Compiz Fusion on Ubuntu 9.04 (NVIDIA GeForce FX 5200) |
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| This tutorial shows how you can enable Compiz Fusion on an Ubuntu 9.04 (Jaunty Jackalope) desktop (the system must have a 3D-capable graphics card - I'm using an NVIDIA GeForce FX 5200 here). With Compiz Fusion you can use beautiful 3D effects like wobbly windows or a desktop cube on your desktop. read more... |
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| | permapage | score:9964 | -falko, May 30, 2009 |
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XenServer 5.5.0 virtualization |
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| This Howto covers the installation of XenServer 5.5.0 and the creation of virtual machines with the XenCenter administrator console. XenServer is a free virtualization platform from Citrix, the company behind the well known Xen virtualization engine. XenServer makes it easy to create, run and manage Xen virtual machines with the XenCenter administrator console. The XenServer installation CD contains a full Linux distribution which is customized to run XenServer. read more... |
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| | permapage | score:9960 | -falko, June 30, 2009 |
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Tutorial: Build a stealth firewall |
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Build a unnamed, bridge-based firewall -- with no IP address for attacking...
The Course is designed to take you step by step through the setup of a Bridge on a Debian Lenny Server. Much of the Free content on the Internet is disjointed and hard to follow in a logical pattern so we have decided to start building Min-Courses that focus on logical development and design to help take a student from the beginning to the end. This is a great way to start learning how to implement Linux security on an older machine. read more... |
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| | mail this link | permapage | score:9959 | -Ray, June 27, 2009 |
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Tutorial: Ubuntu 9.04 LAMP server setup |
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| 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.The LAMP option means you don’t have to install and integrate each of the four separate LAMP components, a process which can take hours and requires someone who is skilled in the installation and configuration of the individual applications. read more... |
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| | permapage | score:9953 | -gg234, May 14, 2009 |
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Set up Xen 3.4.1 Dom0 on Ubuntu 9.04 |
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| Udev removed the udevinfo symlink from versions higher than 123 and xens build-system could not detect if udev is in place and has the required version. In particular, Ubuntu 9.04 server has udev version 141 and appears to be affected by this issue. Straight forward Xen 3.4.1 build brings up Xen Host with hotplug scripts rejecting to work. The recent patch suggested by Marc resolves this problem... read more... |
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| | permapage | score:9952 | -Boris Derzhavets, June 25, 2009 |
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Tutorial: Install VMware Server 2 on Ubuntu 9.04 |
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| This tutorial provides step-by-step instructions on how to >install VMware Server 2 on an Ubuntu 9.04 desktop system. With VMware Server you can create and run guest operating systems ("virtual machines") such as Linux, Windows, FreeBSD, etc. under a host operating system. This has the benefit that you can run multiple operating systems on the same hardware which saves a lot of money, and you can move virtual machines from one VMware Server to the next one (or to a system that has the VMware Player which is also free). read more... |
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| | mail this link | permapage | score:9952 | -falko, May 25, 2009 |
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Robust Clustered Storage with Linux and GFS |
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Clustering Linux with GFS...
Load balancing is difficult. We often we need to share file systems via NFS or other mechanisms to provide a central location for the data. While you may be protected against a Web server node failure, you are still sharing fate with the central storage node.
Using GFS, the free clustered file system in Linux, you can create a truly robust cluster that does not depend on other servers. In this article, we'll show you how to properly configure GFS. read more... |
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| | mail this link | permapage | score:9951 | -Ray, June 28, 2009 |
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Tutorial: Five steps to SSH key authentication with PuTTY and Linux |
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| This tutorial explains how you can replace password-based SSH authentication with key-based authentication which is more secure because only the people that own the key can log in. In this example, we're using PuTTY as our SSH client on a Windows system. read more... |
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| | permapage | score:9951 | -falko, June 29, 2009 |
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Download: dtrace for linux |
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I would like to post the availability of Sun's Dtrace for Linux.
This is a complete port to Linux, and is provided as a source code module which you can compile and load into a running kernel.
It includes the ability to trace using the various providers, of which the key ones at present are the FBT, SYSCALL and INSTR providers. You can trace any syscall or function. The INSTR provider is an instruction level provider, e.g. you can trace any call, jump, LOCK, REP, CLI/STI in the kernel - as many or as little as you like.
There are some parts of the user space dtrace which are yet to work (attaching to a running process, but this is being worked on).
Dtrace runs on 32b and 64b kernels and has been tested with a variety of kernels from 2.6.9 to 2.6.29. No kernel source code changes are required - it is a pure open source kernel module and will work with or without kprobes - it has no dependencies on the kernel, except for compilation purposes.
The software is free, under the CDDL since parts are courtesy of Sun.
Do not try this on a production host without validating until you are happy it cannot crash your test systems.
http://www.crisp.demon.co.uk/blog/
read more... |
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| | mail this link | permapage | score:9946 | -dtrace-fox, June 13, 2009 |
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Tutorial: Four node distributed storage with GlusterFS on Linux |
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| 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. read more... |
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| | mail this link | permapage | score:9941 | -falko, June 25, 2009 |
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Build a Fedora 11 KVM Server |
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| This guide explains how you can install and use KVM for creating and running virtual machines on a Fedora 11 server. I will show how to create image-based virtual machines and also virtual machines that use a logical volume (LVM). KVM is short for Kernel-based Virtual Machine and makes use of hardware virtualization, i.e., you need a CPU that supports hardware virtualization, e.g. Intel VT or AMD-V. read more... |
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| | permapage | score:9940 | -falko, June 22, 2009 |
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Tutorial: Build a Fedora 11 x86_64 server |
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| This is a detailed description about how to set up a Fedora 11 server that offers all services needed by ISPs and hosters: Apache web server (SSL-capable) with PHP5/Ruby/Python, Postfix mail server with SMTP-AUTH and TLS, BIND DNS server, Proftpd FTP server, MySQL server, Dovecot POP3/IMAP, Quota, Firewall, etc. This tutorial is written for the 64-bit version of Fedora 11, but should apply to the 32-bit version with very little modifications as well. In the end you should have a system that works reliably, and if you like you can install the free webhosting control panel ISPConfig (i.e., ISPConfig runs on it out of the box). read more... |
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| | mail this link | permapage | score:9933 | -falko, June 14, 2009 |
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Tutorial: Linux FTP server |
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A step-by-step guide to building an ftp server on Centos Linux...
The Course is designed to take you step by step through the setup of a FTP Server on CentOS. Much of the Free content on the Internet is disjointed and hard to follow in a logical pattern so we have decided to start building Min-Courses that focus on logical development and design to help take a student from the beginning to the end. read more... |
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| | permapage | score:9915 | -Ray, June 19, 2009 |
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Install Qmailtoaster (CentOS 5.3) |
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| Qmailtoaster is a project that aims to make the installation of Qmail onto RPM based systems a snap. All of the packages are distributed in source RPMs so building the packages for your particular distro and architecture is as easy as running a script or a simple command for each package. The RPMs have all of the needed and commonly asked for patches included so you can have a mail server up and running in about an hour. When it's all complete, you'll have a full Qmail mail server installation ready for just about anything. I personally run Qmailtoaster servers for other companies and ISPs who have tens of thousands of users on their systems. read more... |
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| | mail this link | permapage | score:9914 | -falko, June 21, 2009 |
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Apache2 virtualhosting on CentOS 5.3 |
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| This howto shows one method of doing mass virtualhosting using mod_rewrite to dynamically map a list of directories on your filesystem to virtual hosts. Additionally, by rewriting the incoming URL to the user's home directory we can make use of suEXEC to have Apache execute CGI scripts as the owner of the script. read more... |
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| | permapage | score:9907 | -falko, June 23, 2009 |
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