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System related tutorials

Ubuntu

Apt-Cacher-NG - HTTP download proxy for software packages

Post date: February 24, 2009, 07:02 Category: System Views: 3704 Comments
Tutorial quote: Apt-Cacher-ng is a software package that keeps a cache, on the disk, of Debian/Ubuntu Packages and Release files.When an apt-get like client issues a request for a file, Apt-Cacher intercepts it and if the file is already cached it serves it to the client immediately, otherwise it fetches the file from the Internet, saves it on the cache, and then serves it to the client. This means that several Debian machines can be upgraded but each package need to be downloaded only once.
Ubuntu

SSHerminator - Nice split screen terminal emulator and SSH client

Post date: February 19, 2009, 08:02 Category: System Views: 3696 Comments
Tutorial quote: SSHerminator is a terminal emulator based on Terminator, with extra SSH features.The aim of this project is not to provide a standard, general use Terminal emulator, but an emulator that provides as rich an experience as possible while using SSH (that can also be used as a standard terminal).SSHerminator is a semi-fork of Terminator. We sync up with the Terminator code as often as possible, to get the best Terminator features, but include our SSH hacks.
Debian

Manage Apache Resources Limits With mod_slotlimit

Post date: February 19, 2009, 08:02 Category: System Views: 2740 Comments
Tutorial quote: mod_slotlimit is an Apache module that using dynamic slot allocation algorithm and static rules, can manage resources used for each running site.
OpenSUSE

rpmorphan - Find & delete orphaned packages in openSUSE

Post date: February 8, 2009, 19:02 Category: System Views: 4849 Comments
Tutorial quote: rpmorphan is a free opensource utility to find orphaned packages on your openSUSE installation. rpmorphan determines which packages on the system has no other package(s) depending on their installation, and lists these packages.
Ubuntu

How to Create a Private Encrypted Folder On Ubuntu 8.10 (Intrepid)

Post date: January 13, 2009, 13:01 Category: System Views: 3968 Comments
Tutorial quote: eCryptfs is a POSIX-compliant enterprise-class stacked cryptographic filesystem for Linux.It provides advanced key management and policy features. eCryptfs stores cryptographic metadata in the header of each file written, so that encrypted files can be copied between hosts; the file will be decryptable with the proper key, and there is no need to keep track of any additional information aside from what is already in the encrypted file itself. Think of eCryptfs as a sort of gnupgfs.eCryptfs is a native Linux filesystem. The kernel module component of eCryptfs is part of the Linux kernel since 2.6.19.

Debian

How to Install Adobe Flash in Debian Etch/Lenny/Sid

Post date: January 5, 2009, 18:01 Category: System Views: 3883 Comments
Tutorial quote: In this tutorial we will see how to install Adobe Flash in Debian Etch/Lenny/Sid. Adobe Flash (previously called "Macromedia Flash"') is a multimedia platform created by Macromedia and currently developed and distributed by Adobe Systems. Since its introduction in 1996, Flash has become a popular method for adding animation and interactivity to web pages; Flash is
commonly used to create animation, advertisements, and various web page components, to integrate video into web pages, and more recently, to develop rich Internet applications.
OpenSUSE

Ext4 support on OpenSuse 11.1

Post date: January 5, 2009, 10:01 Category: System Views: 3802 Comments
Tutorial quote: Kernel 2.6.28 Released

Torvald released the final version of Linux Kernel 2.6.28. It's not a big change since RC 9, but it finally appeared as final after lots of discussion on LKML whether to postpone the release or release earlier and make the merge window longer as the developers goes on long holidays.

Here's some summary of Kernel 2.6.28 (taken from KernelNewbies): Linux 2.6.28 adds the first version of Ext4 as a stable filesystem, the much-expected GPU memory manager which will be the foundation of a renewed graphic stack, support for Ultra Wide Band (Wireless USB, UWB-IP), memory management scalability and performance improvements, a boot tracer, disk shock protection, the phonet network protocol, support of SSD discard requests, transparent proxy support, several new network drivers, controlable IO CPU affinity, high-resolution poll()/select(), support of a minimal "dummy" policy in SELinux, tracing improvements, x86 x2APIC support, a fb driver for VIA UniChrome devices, Mitac Mio A701 ARM-based smartphone support, some new drivers, improved device support, and many other small improvements and fixes.
Debian

pv (Pipe Viewer) - Shell pipeline element to meter data passing through

Post date: December 28, 2008, 22:12 Category: System Views: 2965 Comments
Tutorial quote: pv (Pipe Viewer) can be inserted into any normal pipeline between two processes to give a visual indication of how quickly data is passing through, how long it has taken, how near to completion it is, and an estimate of how long it will be until completion.To use it, insert it in a pipeline between two processes, with the appropriate options.

Linux

How to create System Image

Post date: November 17, 2008, 11:11 Category: System Views: 3282 Comments
Tutorial quote: Suppose you have a 40GB hard disk and a removable hard disk whose capacity is 60GB, and you want to backup all the files from the hard disk to the removable disk. With "dd", it is a very easy task. Again, suppose your hard disk's Unix device name is /dev/sda and the removable disk is /dev/sdb. The following command can copy all the content from /dev/sda to /dev/sdb:
Ubuntu

How to Integrate windows Active Directory and Samba in Ubuntu

Post date: November 11, 2008, 19:11 Category: System Views: 5318 Comments
Tutorial quote: Samba is an Open Source/Free Software suite that provides seamless file and print services to SMB/CIFS clients.” Samba is freely available, unlike other SMB/CIFS implementations, and allows for interoperability between Linux/Unix servers and Windows-based clients.
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