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nixCraft FAQ PDF Collection Now Available To All

Update: Aug/1/2010 - Due to excessive bandwidth usage issue this is no longer available for download.

The nixCraft FAQ collection is now available to anyone who wants to browse it off-line in a PDF format. This tar ball contains 1600+ Linux, *BSD, UNIX, Perl, Bash and scripting related faqs, mini-howtos, and tutorials compiled and written by Vivek Gite.
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Linux: Monitor Hard Disks Temperature With hddtemp

There is a nice utility to monitor hard drive temperature. Most modern x86 computer hard disk comes with S.M.A.R.T (Self-Monitoring, Analysis, and Reporting Technology). It is a monitoring system for computer hard disks to detect and report on various indicators of reliability, in the hope of anticipating failures.
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How to upgrade lighttpd tar ball (source code) installation

Upgrading lighttpd is a piece of cake. There are two methods:

a) Use yum or apt-get or FreeBSD ports / command to update binary lighttpd package

b) Just download latest lighttpd tar ball from official web site and install the same.

Let us see how to upgrade lighttpd using source code (tar ball).

# 1 : Download lighttpd

Use wget or lftp command line http / ftp accelerator tools:
$ cd /opt
$ wget http://www.lighttpd.net/download/lighttpd-1.4.17.tar.gz

# 2 : Verify lighttpd

Use sha1sum or md5sum hash to verify lighttpd tar ball integrity:
$ md5sum lighttpd-1.4.17.tar.gz

# 3: Configure lighttpd

Now configure and compile lighttpd web server:
$ ./configure
$ make

# 4: Stop lighttpd

First stop currently running lighttpd web server:
# /etc/init.d/lighttpd stop
Make sure you are in installation directory, use the following command to uninstall old version:
# make uninstall

# 5: Install lighttpd

Just enter the following command:
# make install
Start lighttpd:
# /etc/init.d/lighttpd start
Watch out for lighttpd log files for any problems:
# tail -f /var/log/messages
# tail -f /var/log/lighttpd/error.log
# tail -f /var/log/lighttpd/scripts.log
# tail -f /var/log/lighttpd/access.log

A note about binary package upgrade method

You can download rpm file or use yum / apt-get command:
apt-get update lighttpd
yum update lighttpd

Uninstall files installed from a source code tar ball on Linux or Unix

Installing software from a source code is common practice in Linux and Unix world. Some time this is preferred method because it gives all power and flexibility you need to optimize your software such as MySQL, PHP, Apache and more. However, uninstalling files installed from a source code tar ball can be a big headache.

Two methods can be used to uninstall files:
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