Category: Administrations

  Domain Name System The Domain Name System (DNS) is the crucial glue that keeps computer networks in harmony by converting human-friendly hostnames to the numerical IP addresses computers require to communicate with each other. DNS is one of the largest and most important distributed databases the world depends on…

Preface: Some times, we are required to resolve our internal domains on a local nameserver and external (Internet) domains from ISP's nameserver. There are different solutions to this problem, but in this howto, we are going to solve it through configuring a combination of caching-nameserver and BIND 9. Theory Behind…

Few Basic Command- Using 'uname' uname –m 'uname' more uname –a Now something different- cat /etc/*release or cat /etc/*version

SquirrelMail's Apache configuration is in the file /etc/squirrelmail/apache.conf, but this file isn't loaded by Apache because it is not in the /etc/apache2/conf.d/ directory. Therefore we create a symlink called squirrelmail.conf in the /etc/apache2/conf.d/ directory that points to /etc/squirrelmail/apache.conf and reload Apache afterwards: cd /etc/apache2/conf.d/ ln -s ../../squirrelmail/apache.conf squirrelmail.conf /etc/init.d/apache2 reload…

"vmware is installed, but it has not been (correctly) configured, for this system. To (re-) configure it, invoke the following command: /usr/bin/vmware-config.pl" I've been receiving this error since I've been trying to setup VMWare workstation ver 5.0 on my Centos box. It is now resolve after issueing the command- VMWARE_DEBUG=yes…

$ apt-get install poppassd # installs server-side mechanism for changing the password $ cd /var/www-ssl/horde/passwd/config $ cp -p backends.php.dist backends.php $ vi backends.php: – delete all but 'poppassd' ########################################### # note: # My poppassd service didnt start, because the deb-package put the startup command in # the /etc/inetd.conf superserver file,…

Default installation is with Apache + mod_php5 + php-mysql:   # aptitude install horde3 Packages installed looks like: apache2-mpm-prefork apache2-utils apache2.2-common fckeditor horde3 libapache2-mod-php5 libmcrypt4 php-cache php-date php-db php-file php-http-request php-log php-mail php-mail-mime php-mail-mimedecode php-net-dime php-net-ftp php-net-smtp php-net-socket php-net-url php-pear php-services-weather php-soap php-xml-parser php-xml-serializer php-xml-util php5-cli php5-common php5-gd php5-mcrypt php5-mysql…

Thought it might e quite useful on setting up vmware on my network-