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Unix+clones

Getting started with SSH

Post date: February 11, 2006, 04:02 Category: Network Views: 2825 Comments
Tutorial quote: The following sections hope to provide enough information to setup a user new to ssh with the appropriate files necessary for accessing remote hosts in a secure manner.
Unix+clones

Split and Reassemble Files

Post date: September 20, 2006, 20:09 Category: Software Views: 4205 Comments
Tutorial quote: There always comes a time, where you wish that file was only a few kilobytes/megabytes smaller. Wether it be so it can fit onto your floppy disk, CDR etc, or so you can meet the attachment limit on an e-mail server. This isn't really a command that you would use everyday, but it might come in handy.
Linux

Removing A User

Post date: April 8, 2006, 00:04 Category: System Views: 3997 Comments
Tutorial quote: Employee turnover in most organizations runs high. So unless you run a small shop with a stable user base, you need to learn how to clean up after an employee leaves. Too many so-called system administrators do not understand the stakes involved when they manage users. Disgruntled former employees can often cause significant trouble for a company by gaining access to the network.

To remove a user, you need to learn to manage all of his or her files, mailboxes, mail aliases, print jobs, recurring –(automatic) personal processes such as the backing up of data or remote syncing of directories, and other references to the user. It is a good idea at first to disable the account in /etc/passwd, after which you can search for the user's files and other references. Once all traces of the user have been cleaned up, you can remove the user completely—but if you remove the entry from /etc/passwd while these other references exist, you have a harder time referring to them .

When you remove a user, it's a good idea to follow a pre-determined course of action so you don't forget any important steps; it may even be a good idea to make a checklist so that you have a routine. Following, you will find several items requiring attention.
Linux

How the One-Liner For-Loop in Bash Goes

Post date: January 6, 2007, 21:01 Category: System Views: 3424 Comments
Tutorial quote: A mini-guide to one of the coolest tricks at the Bash command line - performing the same operation on a whole group of files at once using the "for-do-done" loop syntax.
Linux

The PartImage Handbook

Post date: May 21, 2005, 15:05 Category: Software Views: 2570 Comments
Tutorial quote: - Partition Image is a Linux/UNIX partition imaging utility: it saves partitions formatted using the Ext2FS (the linux standard), ReiserFS (a new journaled and powerful file system), JFS IBM journaled file systems from AIX, NTFS (Windows NT File System), FAT16/32 (DOS & Windows file systems), or HPFS (OS/2 file system) file system formats to an image file. Only used blocks are copied. The image file can be compressed in the GZIP/BZIP2 formats to save disk space, and split into multiple files to be copied on removable media (ZIP for example), or burned on a CD-R ...

- This allows the user to save a full Linux/Windows system, with a single operation. When problems occur (viruses, crash, error, ...), you just have to restore, and after several minutes, all your system is restored (boot, files, ...), and fully working.

- This is very useful when installing the same software on many machines: just install one of them, create an image, and then restore the image on all other machines. After the first one, each subsequent installation can be made automaticaly, and only requires a few minutes.
Linux

ffmpeg Cheat Sheet - 19 Best Practices

Post date: August 12, 2009, 11:08 Category: Benchmarks Views: 4155 Comments
Tutorial quote: ffmpeg is a multiplatform, open-source library for video and audio files. It is usualy available in your distribution repositories, so search for it and install it.

This article will present 19 ffmpeg very useful commands.
Linux

Asterisk : Basic SOHO environment VoIP PABX configuration

Post date: October 30, 2010, 05:10 Category: Installing Views: 2599 Comments
Tutorial quote: Asterisk is a free telephony software. Im posting here sample commented configuration files for reference purposes, hoping they will help you get kickstarted if needed.
Ubuntu

WineXS Simple graphical environment to configure Wine

Post date: August 18, 2009, 10:08 Category: Software Views: 2565 Comments
Tutorial quote: WineXS allows you to easily configure Wine by installing and removing software, editing the registry,managing files, and more.
Ubuntu

Recover Files from a Windows OS with PhotoRec via an Ubuntu Live CD

Post date: January 8, 2011, 23:01 Category: Miscellaneous Views: 3103 Comments
Tutorial quote: This tutorial guides you through recovering data from a crashed drive by using PhotoRec via n Ubuntu Live CD. It is written in plain language.
Debian

A couple of tricks with the secure shell

Post date: September 18, 2006, 13:09 Category: Network Views: 11372 Comments
Tutorial quote: One can do a lot more with ssh than use it for remote terminal session. Here we'll show how to copy files using ssh, use ssh as part of a pipe, vnc or samba forwarding via ssh and mounting filesystems using ssh (fuse + sshfs).
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