December 2012
Intermediate to advanced
888 pages
48h 24m
English
Content preview from Ubuntu Unleashed 2013 Edition: Covering 12.10 and 13.04, Eighth EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Using a Display Manager
An X display manager presents a graphical login that requires a username and password to be entered before access is granted to the X desktop. It also enables you to choose a different desktop for your X session. Whether an X display manager is presented after you boot Linux is controlled by a runlevel—a system state entry in /etc/event.d/. The following runlevels as handled by Ubuntu are as follows:
• 0—Halt (Do not set initdefault to this.)
• 1—Multiuser text mode
• 2—X graphical multiuser mode
• 6—Reboot (Do not set initdefault to this.)
You may see mention of runlevels 3 through 5; you can ignore these because they are treated the same as runlevel 2 in Ubuntu. Historically, Ubuntu used the /etc/inittab file to handle ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.