One of the most commonly seen questions when dealing with firewalls and other Internet connectivity issues is the difference between active and passive FTP and how best to support either or both of them. Hopefully the following text will help to clear up some of the confusion over how to support FTP in a firewalled environment...
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Beautifying SQL PLUS Output
Submitted by sandip on Wed, 09/22/2010 - 09:42The output of SQL Plus can be a annoying a little bit. Here are some techniques that show how to enhance the readability of SQL Plus output...
Auditing system files
Submitted by sandip on Thu, 09/16/2010 - 16:46How 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.
Write a message to login users through terminal
Submitted by sandip on Tue, 08/31/2010 - 11:21To write a message to users that have login, you can using the command write. But before that, you need to check who is login, and which terminal he is login to, use command who...
Step By Step Ubuntu 10.04 (Lucid Lynx) LAMP Server Setup
Submitted by david23 on Mon, 08/30/2010 - 01:40In 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.
Tune2fs Command May Increase Linux Free Disk Space
Submitted by sandip on Fri, 08/27/2010 - 11:15Not all of the Linux distributions allow users to tweak file system parameters during Linux installation, such as file system Reserved Block Count. Debian Linux installer allows user to change file system Reserved Block Count at Linux installation stage.
Other Linux distributions, particularly Redhat Linux, only allow user to tune file system parameters at post-installation stage, via Linux file system utility tune2fs...
How to install Ubuntu Tweak 0.5.6 beta in ubuntu 10.04/9.10
Submitted by david23 on Fri, 08/27/2010 - 01:24Ubuntu Tweak is an application to config Ubuntu easier for everyone.It provides many useful desktop and system
options that the default desktop environment doesn’t provide.With its help, you will enjoy with the experience of
Ubuntu!
Troubleshooting NFS
Submitted by sandip on Thu, 08/26/2010 - 23:43This is intended as a step-by-step guide to what to do when things go wrong using NFS. Usually trouble first rears its head on the client end, so this diagnostic will begin there...
Watching nginx upstreams with collectd
Submitted by sandip on Tue, 08/24/2010 - 19:32Already happy with nginx in front of Apache for a number of sites, I decided it was time to start testing nginx/fastcgi on my personal server (the serial crash test dummy of my web operations). The only problem: I have yet to find a sensible method of grabbing useful runtime information from the PHP fastcgi process itself, and if you can’t sensibly watch it, you can’t sensibly deploy it.
Administering MySQL
Submitted by sandip on Mon, 08/23/2010 - 10:59In this lesson of the MySQL tutorial, you will learn...
1. To start up and shut down the MySQL Server
2. To view Information about the Server and Databases
3. To view and kill Threads
4. To clear System Caches
5. Various mysqladmin Options