This guide "should" be applicable to most other versions of Apache 1. No guide for Apache 2 unfortunately, as I'm not a very big fan. In this example, we'll be using Apache 1.3.29, PHP 4.3.6, MySQL. If new versions come out, you can improvise, read the README, Google, or whatever... but this guide is unlikely to be updated ever again. The more initiated of you may realise that a lot of the instructions come from the README/INSTALL files, but then again, nobody ever reads things that are named README. Maybe they should start renaming the README file to "HOT SEXY STORY".

First up, you'll need to grab all the relevant source distributions. THIS GUIDE DOES NOT DEAL WITH RPMs OF ANY SORT. Make sure you dump them somewhere you remember for convenience sake (I generally use /root/tmp and I will assume you do the same, otherwise, replace /root/tmp with your own dir). You can download the various source tar.gz files from the links below:
Apache - At time of writing: Apache 1.3.29
PHP - At time of writing: PHP 4.3.6
MySQL - At time of writing: MySQL 4.0.18

I generally start of installing MySQL since it doesn't require any referencing. Here's how to go about compiling and installing your source distribution of MySQL. NOTE: If things don't seem to work, YOU DON'T HAVE THE SOURCE DISTRIBUTION. GO AND GET IT. You will need to change the mysql-VERSION.tar.gz to mysql-4.0.18.tar.gz or whatever matches your current version.

This should have compiled, installed and started the MySQL daemon for you. Nifty... If you keep getting "Permission Denied" or an equivalent error, you might want to know that you need to be logged in as root in order for most of this work. Now, MySQL is over and done with... let's move on to Apache/PHP.

Apache/PHP is slightly more complicated. You'll need to change directories (HORRORS!!!). Anyway, moving along; do the following. You will need to change the apache_1.3.x.tar.gz to apache_1.3.29.tar.gz or relevant version number; and do the same for PHP.

At this point, you may be interested in looking thru your httpd.conf and change whatever settings you fancy. I generally change the index order, and some other useless junk.

to

Once you're done, figure out where your default htdocs directory is (by default it's /usr/local/apache/htdocs I think) and do the following:

At this point, you should have a working webserver which should work happily with your MySQL server. Fire up your browser and point it to http://localhost or whatever your site is. You should see a bunch of garbage that has to do with PHP settings... If so, you're done.

This post has been edited by kons: Jun 20 2007, 09:11 AM

Delete really lots of files

Sometimes rm command can't handle too many files.
Another neat way to do it is to try this:-



Replace * with the file names to match

It can be further tweaked to do recursive delete.

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Added on June 25, 2007, 11:52 pmClear history of all typed command



This post has been edited by kons: Jun 25 2007, 11:52 PM

Nifty... was looking around for this and never thought of looking here... Thanks...

Linux clock runs too fast on VPC

http://support.microsoft.com/kb/918461

Set clock=pit to the kernel boot line in grub.conf

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Added on February 18, 2008, 6:28 pmGenerate Artificial Load in Linux.

touch test; i=10; while ((i--)); do while [ -e test ]; do echo $RANDOM > /dev/null; done & done

i=x, where x is the load.
i=10 would generate load avg of 10
i=20 would generate load avg of 20

To stop, just rm -f test.


This post has been edited by kons: Oct 23 2008, 09:28 AM

Simulate DHCP request without changing the physical IP on the eth (Testing DHCP service only)



-1 = do it one time
-s = dhcp server
-cf = config file
-pf = pid file
-sf = script file
eth1 = interface

If failed, returns exit code 2

Checking number of connection entries

One way to limit p2p is to install ip_conntrack modules and iptables connlimit modules.
connlimit module can block the number of connections that the end-user can get at one time, if you set it to 100, that means the end-users can only connect to 100 host at a time, which is fine for web surfing but for p2p, it is too restrictive.
connlimit will limit those ip_conntrack entries in ESTABLISHED state only.

To check the number of connections that an end-user has: