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$ mplayer -dumpstream -dumpfile stream_video_name.wmv mms://example.com/video_name.wmv

Enabling and disabling services during start up in GNU/Linux

$ iconv --from-code=ISO-8859-1 --to-code=UTF-8 latin1.txt > utf8.txt

or simply

$ iconv -f ISO-8859-1 -t UTF-8 latin1.txt > utf8.txt

$ iconv -t ISO-8859-1 -f UTF-8 inputfile > outputfile

RedirectMatch 301 (.*)$ http://www.newdomainhere.com$1

Save this into .htaccess and upload on the root directory on your old domain.

$ sudo mount -o loop /path/to/feisty-desktop-i386.iso /tmp/ubuntu-livecd

This command will replace all instances of ‘replaceme’ with ‘newstring’ in files ‘*.php’ on /home/mysite/httpdocs.

find /home/mysite/httpdocs -name '*.php' | xargs replace 'replaceme' 'newstring' --

1. Use OpenDNS free services by adding 208.67.222.222 and 208.67.220.220 on your /etc/resolv.conf.
2. Go to http://www.opendns.com/support/cache/ then enter the website address.

 cat /etc/passwd | cut -d":" -f1

Follow the links:

Virtual host examples from Apache website.

http://httpd.apache.org/docs/2.0/vhosts/examples.html

Turns out that it is possible to have multiple VirtualHosts on port 80 (Default http), but because of a limitation of SSL, we can’t have multiple VirtualHosts on port 443 (Default https).
I solved the problem as follows. I created the two VirtualHosts on port 80, one on port 443 and one on port 444.

Shared IP, multiple vhosts and multiple SSL certificates on Apache

The process is only 2 steps and involves modifying your Apache configuration.
1.  Create virtual hosts “map file”.
2.  Modify existing SSL vhost.

Caveat: The SSL certificate used will be common to all SSL vhosts.

Hosting multiple SSL vhosts on a single IP/Port/Certificate with Apache2

The following article discusses the following:
Basics Of Virtual Hosts, Name-Based Virtual Hosts, IP-Based Virtual Hosts, Configuring IP Aliasing, Virtual Hosts with IPs, Multiple Instances of Apache, Example for name based virtual hosts, Example for IP based virtual hosts.

Creating Name Based and IP Based Virtual hosts in Apache

$ gzip -d compressed_file.gz