Problem On Ubuntu remote display in X doesn not work. Analysis We need to remove “-nolisten tcp” from X command line. Solution This is sometimes in “/etc/X11/xinit/xserverrc”, but in Ubuntu you just need to configure GDM:Create or edit file /etc/gdm/custom.conf
Install VMWare Player in Ubuntu
Resources http://ubuntuguide.net/how-to-install-vmware-player-in-ubuntu-9-10 VMWare Player Documentation
Managing Services in Ubuntu
Problem How to manage services in Ubuntu – looking for similar thing as “service” used in RedHat-clones. Analysis List of available software is the following: sysv-rc-conf – best rcconf – does not enable to set runlevel bootup-manager System -> Preferences
Mail server statistics daily on Postfix
Problem Generate mail server statistics daily on a Postfix mail system. Analysis By parsing postfix log files we can extract a lot of information. A great script for this purpose is pflogsumm [1]. For example on Debian/Ubuntu systems you can install