Showing headlines posted by nixcraft

An Oracle database consists of a collection of data managed by an Oracle database management system. You can download Oracle Database XE server for Debian, Mandriva, Novell, Red Hat and Ubuntu Linux distributions. First you need to get databases up and running in order to use Oracle. The Oracle database has had a reputation among new Linux users as difficult to install on Linux systems. Now Oracle Corporation has packaged recent versions for several popular Linux distributions in an attempt to minimize installation challenges beyond the level of technical expertise required to install a database server.

Malware is software designed to infiltrate or damage a computer system without the owner's informed consent. It is a portmanteau of the words "malicious" and "software". The expression is a general term used by computer professionals to mean a variety of forms of hostile, intrusive, or annoying software or program code. Setting up a malware blacklist in Postix MTA is quite easy. The Malware Block List is a free, automated and user contributed system for checking URLs for the presence of Viruses, Trojans, Worms, or any other software considered Malware

With this tip you will be able to work from home using VPN and that too from Linux / FreeBSD system for the proprietary Microsoft Point-to-Point vpn server.

Most of us work with a shell prompt. By default most Linux distro displays hostname and current working directory as a prompt. You can easily customize your prompt to display information important to you. You change look and feel by adding colors. In this small howto I will explain howto setup:

MySQL database does support C program API just like PHP or Perl API. The C API code is distributed with MySQL. It is included in the mysqlclient library and allows C programs to access a database.

It is possible to mount your remote filesystem as a local filesystem on your Red hat/CentOS Linux system using sshfs.

If you're serious about music or DVDs, at some point you cross the threshold of having more than you can keep track of easily. The box full of index cards has served its purpose; it's time to move on to storing information about your CDs and DVDs in a database.

Security, speed, compliance, and flexibility--all of these describe LightTPD which is rapidly redefining efficiency of a webserver; as it is designed and optimized for high performance environments.

AcetoneISO is the disk image emulator that mounts images of DVD and CD media. Both Mac OS X and Linux / other UNIX like oses can mount and use ISO images using loopback device. It is a DAEMON Tools (Microsoft Windows disk image) clone / emulator program with a lot more features. Using this cool open source software means a user does not have to swap discs to run different programs on local or network computer. You can access software distributed (over Internet) as a disk image such as ISO, DAA, BIN or many other formats (no need to burn a CD/DVD to use disk image).

Linux System Administration is a book for a seasoned Linux or UNIX administrator. The book attempts to describe day-to-day administration, maintenance and advanced issues commonly faced by Linux system administrator. Book covers wild verity of topics.

Red hat enterprise Linux 5 provides different tools to make changes to Network configuration such as add new card, assign IP address, change DNS server etc. This guide covers configuration using GUI and command line tools. The instructions are compatible with CentOS and Fedora Core Linux.

Technology has changed dramatically in the last decade. OpenSSH is one the best project. It allows you to control remote Linux / UNIX server using command line or GUI tools. Do you miss GUI configuration server management tools such as Debian network-admin or Redhat/Cent os system-config-* tools/utilities while administrating a Linux server? Do you want to run GUI admin tools on a remote Linux server and get display on local desktop or laptop X server system? This quick howto demonstrate the power of X11 forwarding using OpenSSH.

Almost all new Linux wanna be guru (read as users who want to switch to Linux) asks a question:

I want to switch to Linux completely from Windows XP SP2. Which Linux version will be best - Redhat, SuSE, or other? I use my PC for:
Browsing Internet
Watching DVD / MP3
Writing CD/DVD
I’m also willing to spend a small amount of money if required to purchase Linux version.

Short answer is none. I can’t suggest *distro* name.

Debian 4.0 has been released. It is recommended that you upgrade the system to latest version. Upgrading remote Debian server is a piece of cake. Currently many of our boxes are powered by Debian 3.1 Sarga.

This is one of the key questions asked by new admins - How do I audit file events such as read / write etc? How can I use audit to see who changed a file in Linux?

The answer is to use 2.6 kernel’s audit system. Modern Linux kernel (2.6.x) comes with auditd daemon. It’s responsible for writing audit records to the disk. During startup, the rules in /etc/audit.rules are read by this daemon. You can open /etc/audit.rules file and make changes such as setup audit file log location and other option. The default file is good enough to get started with auditd.

This tutorial covers the installation of 32bit plugins under 64 bit Linux Firefox with the help of nspluginwrapper wrapper. It is an Open Source compatibility plugin for Netscape 4 (NPAPI) plugins. It enables you to use plugins on platforms they were not built for. For example, you can use Acrobat Reader, Real Player etc plugin on Linux/x86_64 , NetBSD and FreeBSD platforms.

This article explains how to write a perl script that can monitor your disk space under UNIX or Linux and send me an email alert to admin. There is a nice perl system routine called Perl df or Filesys::DiskSpace. This routine displays information on a file system such as its type, the amount of disk space occupied, the total disk space and the number of inodes etc.

Many new admin or Linux users get frustrated when their remote Linux box is not accessible dues to network connectivity. In this article I will try to provide tools and information about how to diagnose network configurations. You can try these tips/tools to diagnose an issue of Linux network connectivity to remote or local servers.

Migrating user accounts is not an easy task especially if you are a new admin. You need to make sure that file ownership, and password and group membership remains the same. The article does a good job of explaining the steps required to migrate from old Linux/UNIX server to news fresh installation. It's a short and sweet tutorial and worth a read, especially for new admins to handle rescuing a dying server job. You can migrate users from old Linux server to new Linux sever with standard commands such as tar, awk, scp and others. This is also useful if you are using old Linux distribution such as Redhat 9 or Debian 2.x.

This article shows you how to write your shell scripts smartly to make them easier to test and debug. You can use traditional set command. There is drawback of using set command. Before moving a script to production environment you need to remove all debug lines. This tip shows you how to solve this old problem without introducing any new errors.