LINUX NEWS
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Thursday, March 1, 2001TABLE OF CONTENTS
1) Sean’s Notes
2) Linux News
Ximian Red Carpet
Microsoft Hates GPL
VA Linux to Cut 25 Percent of Staff
Certification Boot Camp3) Linux Resources
Red Hat 7 Unleashed
Mmmm... Cola
VIM and mouse wheels
ACLs for ext2
Integrating Unix DNS with Win 2K4) App o’ the week
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1) Sean’s Notes
Last week I mentioned that KDE 2.1 was due to be released RSN. Here you go:
http://dot.kde.org/983227586/
I also mentioned that I’d get around to explaining Red Hat’s chkconfig to you. Before I get there, I’ll save you a few keystrokes when you’re playing with your daemons.
To start, say, the httpd service, you can run:
/etc/rc.d/init.d/httpd start
Or, save yourself a few keystrokes:
service httpd start
Cool, eh? (If you’re running Red Hat 6.0, grab the initscripts update because this seemingly simple script was shipped broken.)
On to chkconfig. An init script can be managed by chkconfig if it has the following comments near the top:
chkconfig: 2345 51 49
description: start the foo daemon
The 2345 means that by default, if this daemon is on, it will be started in run levels 2, 3, 4, and 5. It will have a start priority of 51, and a kill priority of 49. This would correspond to a symlink called S51foo created in the rc2.d, rc3.d, rc4.d, and rc5.d directories, and K49foo in the others.
To set up the initial links, tell chkconfig to add the script:
chkconfig –add foo
To delete it from management:
chkconfig –del foo
To ensure that it gets started on boot (in the runlevels you specified):
chkconfig foo on
And, to turn off:
chkconfig foo off
If you wanted to override the 2345, and only start it up in run level 3 and 5:
chkconfig –level 35 foo on
Be careful with this, as if you later turn the service off, you may have to specify –level again, because chkconfig only turns it off in runlevels that are defaulted to on. So, if the daemon normally comes up in level 3, but you turn it on for 3 and 5, it will be on in 5 if you turn it off without –level.
To see the whole list:
chkconfig –list
Or, what I like to do:
chkconfig –list | grep 3:on
…to see what’s coming up in run level 3.
It’s a heck of a lot easier than managing all the symbolic links!
Red Hat also includes GUI tools like ntsysv, tksysv, and linuxconf to manage these, but after a bit of practice you’ll find that the command line is much quicker!
Long live the Penguin,
Sean swalberg@brainbuzz.com
Visit The Linux Newsletter Board http://boards.brainbuzz.com/boards/vbt.asp?b2
2) Linux News
Ximian Red Carpet
Red Carpet is a revolutionary concept for Linux. Subscribe to software channels, and let Red Carpet keep your system up to date. For example, you could subscribe to the Ximian Desktop and Red Hat 7 channels. When packages are released by either party, you’re informed and have the option to update your system. Sweet!
http://www.ximian.com/apps/redcarpet-announce.php3
Microsoft Hates GPL
It’s no secret that Microsoft doesn’t care for Linux, but their latest round of attacks have focused on the GPL license, saying that it’s “too restrictive” and “un-American”.
http://dailynews.yahoo.com/h/zd/20010220/tc/microsoft_clarifies_exe c_s_open- source_concerns_1.html
VA Linux to Cut 25 Percent of Staff
Linux Box maker VA Linux is to cut a quarter of its staff in order to try to make a profit. I really hate to see stuff like this happen to such a company, as they’ve pumped a lot of money into hiring developers to put work into the kernel, especially the storage area.
http://dailynews.yahoo.com/h/nm/20010220/tc/valinux_earns_dc_1.html
Certification Boot Camp
Boot Camps are nothing new in the Windows world, but here is the first one I’ve seen for Linux. This one is a bit different than others though; you work on a laptop the whole time, and then get to take it home with you!
http://www.linuxnews.com/stories.php?story/02/21/8763536
3) Linux Resources
Red Hat 7 Unleashed
Looking for a book to walk you through Red Hat 7, from installation to setting up services? Look no further than Red Hat 7 Unleashed. This link points to my review of the book.
http://itresources.brainbuzz.com/tutorials/tutorial.asp?t=S1TU1188
Mmmm… Cola
What if programming languages were colas? What kind would Perl be? How about C or C++? Read on to find out.
http://dave.oreillynet.com/stories/storyReader$55
VIM and Mice Wheels
It seems everyone has those wheel mice but me… Not sure what the attraction is, but to each his own. Linux.com has a write up on how to get VIM (VI Improved) to recognize when you’re rolling that thing around, and respond accordingly.
http://www.linux.com/tuneup/database.phtml/Misc/2220.html
ACLs for ext2
One thing that Linux can’t do yet is fine grained ACLs on files. Most commercial Unixes have it, and it’s a requirement for some security certifications like C2. Enter this project, which adds POSIX style ACLs to the ext2 file system.
http://acl.bestbits.at/
Integrating Unix DNS with Win2K
DNS is essential to Win2K’s operation, that’s well known. Many people will already have a DNS server set up, and there is no reason they should ditch it so that 2K can run. This article explains how Unix and NT can play nicely in the same DNS infrastructure.
http://win2000mag.win2000mag-asap.com/info/com.winntmag_winntmag_78 74_7874.h tml
4) App o’ the week
If you’re like me, you’ve got lots of little Post-It (or generic replacement) notes all over your desk, monitor, chair, and wall. Enter “Goats”, a GNOME version of the KDE KNotes, which lets you post notes in a variety of colours to your desktop. This will save me a fortune in those little things!
http://www.menudo.freeserve.co.uk/goats.html
(C) 2001 BrainBuzz.com. All Rights Reserved.
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