Perl script to monitor disk space and send an email

How to write a perl script that can monitor my disk space under UNIX or Linux and send me an email alert?

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 [...]

Convert Physical Windows Systems Into Virtual Machines To Be Run On A Linux Desktop

This article shows how you can convert a physical Windows system (XP, 2003, 2000, NT4 SP4+) into a VMware virtual machine with the free VMware Converter Starter. The resulting virtual machine can be run in the free VMware Player and VMware Server, and also in VMware Workstation and other VMware products. Vmware Converter comes in [...]

Windows XP apps on your Ubuntu desktop - now with Coherence !

Run Windows XP apps on Ubuntu without having and have them appear on your normal Gnome or KDE desktop. The tutorial starts with uses KQemu (now Open Source as of today) but the latter section on coherence can easily be adapted to VMWare Player or Xen.
read more

Windows XP apps on your Ubuntu desktop - [...]

A Beginner’s Guide To LVM

This guide shows how to work with LVM (Logical Volume Management) on Linux. It also describes how to use LVM together with RAID1 in an extra chapter. As LVM is a rather abstract topic, this article comes with a Debian Etch VMware image that you can download and start, and on that Debian Etch system [...]

Howto migrate from Microsoft Internet Information Server (IIS) to Apache on Linux

For people migrating from Windows to Linux, the Apache Web server is entirely different world from Microsoft Internet Information Server. Apache can be alienating to IIS / Windows administrators, because migrating to Apache is more than just copying files.
The IIS to Apache migration process needs to be handled with the same care and perspective as [...]

How to set up a DNS Server using Bind

The Ubuntu Document Storage Facility has a good article on setting up a DNS server using Bind.
You can read the original here or check it out below the jump.
After looking on Ubuntu forum for an easy step-by-step howto for instaling a DNS server, I decided the best idea would probably be to write this howto [...]

How to protect buggy programs from security vulnerabilities under Linux and UNIX

A Buffer overflows is a serious security problem. It allows an attacker to inject executable code of their choice into an already-running application. This ability to run arbitrary code at certain memory addresses is dangerous as attacker being able to execute the instructions from anywhere in memory.
To protect bufferoverflow security vulnerabilities use diehard
With such problems [...]

PHP send email using authenticated smtp server in real time

PHP has mail() function to send an email to users. However this mail() will not work:
=> If sendmail (or compatible binary) is not installed
=> If Apache Web server / Lighttpd running in chrooted jail
=> And your smtp server needs an authentication before sending an email
In all these cases you need to use PHP PEAR’s Mail:: [...]

Fix a dual boot Windows Vista and Linux problem

How do you fix a dual boot system if you had to reinstall Windows Vista and you can no longer boot to Fedora Core 6 (FC6)? Nobody wants to reinstall FC 6 again!
Almost all versions of Microsoft Windows (including XP, Vista and old versions) overwrite GRUB bootloader in MBR (master boot record). As a result [...]

Howto : Install PHP 5 on Red Hat Enterprise Linux version 4

It appears that many people or sys admin want to run php 5 on Red Hat Enterprise Linux. Unfortunately Redhat does not provide this package (RPM file) for RHEL. You can download source code and install php 5 from official php site. This requires compiler collection on your system. Download source code and just follow [...]

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