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/etc/inittab

Debian Linux: Set a Serial Console

How do I set up a serial console on Debian Linux HP server for troubleshooting and login purpose?
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CentOS / RHEL Linux: Remove GDM

How do I uninstall a GUI Gnome login system ( GDM ) from my CentOS Linux v5.5 based server?
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Linux Disable and Remove X Windows (X.org)

I revived my new Dell server pre installed with Red Hat Enterprise Linux server v5.2. However, my box boot with a GUI login system ( Gnome ). There is no reason to run X Windows on my dedicated mail and Apache web server. I only need ssh. How do I disable X login and windows without reinstalling the operating system to improve security and performance?
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Q. I've made changes / updates to my /etc/inittab file to configure init process to start with agetty. init reads the /etc/inittab configuration file at the time of system boot. How do I re-read this file without rebooting my Linux server?
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Linux Disable X Window System

Q. How do I disable X Window system on boot? I just need text based interface and there is no need to waste resources on X window system. How do I disable X Window under CentOS / RHEL / Red Hat / Fedora Linux?
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