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Network configuration question
by Niki Kovacs 18 Feb '08

18 Feb '08

Hi, My wife and I live in a two-storey flat, and we have a small home LAN (100% CentOS 5) with a "classical" configuration: On the ground floor, there is the telephone jack with the DSL modem router (192.168.1.254). This modem has a mini-switch with two Ethernet jacks to it, and the two are used by: - the server (192.168.1.1), a "black box" running in a cupboard 24/7 - the wireless AP (192.168.1.253) Then, on the first floor, everything is connected by wireless, and for the moment, configured statically: - my desktop PC (192.168.1.2) - my laptop (192.168.1.3) - my wife's laptop (192.168.1.4) I have an older laptop here, a Fujitsu Siemens Amilo D, that I'd like to use as a simple build box. It's physically installed next to my desktop PC. It doesn't have a wireless card, so I vaguely thought: is it somehow possible to connect this laptop with an Ethernet cable to my desktop PC's unused Ethernet card, and then connect it to the internet? In that case, I wonder if I have to bridge the desktop PC's network interfaces (wlan0 and eth0). That said, I don't even know if the driver for wlan0 (rt61) allows any bridging. Or maybe simply configure a different subnet, but then, what would the network configuration look like on the laptop and on the desktop PC? Any suggestions for that? Cheers, Niki

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how to find it?
by Sobari Tanuwijaya 17 Feb '08

17 Feb '08

Dear All, How to find out that a certain lib place on which package? I prompted that a certain library is not exists on my system, but I don't know which package should I look for to install. Thanks. -- Tanu --

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Re: [CentOS] Network configuration question
by David G. Miller 17 Feb '08

17 Feb '08

Niki Kovacs <contact(a)kikinovak.net> wrote: > I have an older laptop here, a Fujitsu Siemens Amilo D, that I'd like to > use as a simple build box. It's physically installed next to my desktop > PC. It doesn't have a wireless card, so I vaguely thought: is it somehow > possible to connect this laptop with an Ethernet cable to my desktop > PC's unused Ethernet card, and then connect it to the internet? In that > case, I wonder if I have to bridge the desktop PC's network interfaces > (wlan0 and eth0). That said, I don't even know if the driver for wlan0 > (rt61) allows any bridging. Or maybe simply configure a different > subnet, but then, what would the network configuration look like on the > laptop and on the desktop PC? You need what's called a crossover cable between the laptop and your desktop. Think of a crossover cable as being like a "null modem" built into the cable for networking. The tx wire at one end becomes the rx wire at the other for all wires in the cable. This will allow the two systems to "talk". The laptop's LAN settings should be set to have your desktop as it's gateway and I think you'll need to manually add a host route on the desktop for the laptop using the wired NIC as the interface. You'll have to Google or get more advice from the list if you want to have the laptop be able to get onto the internet. It should be possible to set up your desktop to route packets from the laptop through your wireless LAN. I just don't know how. If you can't get the wireless NIC to bridge with the regular NIC, it should be possible to do something with iptables rules to just forward packets that aren't for the desktop to your wireless modem/router. If you're trying to get this done over the weekend, respond to me directly if you have any questions. I get the CentOS list as a digest so I won't see any other questions until Monday. Cheers, Dave -- Politics, n. Strife of interests masquerading as a contest of principles. -- Ambrose Bierce

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CentOS-announce Digest, Vol 36, Issue 8
by centos-announce-request＠centos.org 17 Feb '08

17 Feb '08

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CEBA-2008:0148 CentOS 5 x86_64 thunderbird Update (Karanbir Singh) 2. CEBA-2008:0148 CentOS 5 i386 thunderbird Update (Karanbir Singh) ---------------------------------------------------------------------- Message: 1 Date: Sat, 16 Feb 2008 14:31:00 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CEBA-2008:0148 CentOS 5 x86_64 thunderbird Update To: centos-announce(a)centos.org Message-ID: <20080216143100.GA5009(a)base.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2008:0148 Upstream details at : https://rhn.redhat.com/errata/RHBA-2008-0148.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) x86_64: 485802e57ae66eb6bfab52ed329bf39d thunderbird-1.5.0.12-9.el5.centos.x86_64.rpm Source: f63ab0ac6539a38cd2b06459e2412929 thunderbird-1.5.0.12-9.el5.centos.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Sat, 16 Feb 2008 14:31:00 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CEBA-2008:0148 CentOS 5 i386 thunderbird Update To: centos-announce(a)centos.org Message-ID: <20080216143100.GA4995(a)base.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2008:0148 Upstream details at : https://rhn.redhat.com/errata/RHBA-2008-0148.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) i386: a6a38fc5bd2caaa1478097558fd61da2 thunderbird-1.5.0.12-9.el5.centos.i386.rpm Source: f63ab0ac6539a38cd2b06459e2412929 thunderbird-1.5.0.12-9.el5.centos.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org http://lists.centos.org/mailman/listinfo/centos-announce End of CentOS-announce Digest, Vol 36, Issue 8 **********************************************

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Gettiing the latest Firefox and Thunderbird for CentOS 5.1
by Edward Diener 17 Feb '08

17 Feb '08

Is there any 3rd party repository for which I can get the latest versions of Firefox and Thunderbird for CentOS 5.1 and install them using yum ?

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Support Tools
by Thorsten Kampe 16 Feb '08

16 Feb '08

Hi, does something like the SUSE/Novell ntsutils (previously called "supportconfig") or Microsoft's MPS Reports exist for CentOS or Red Hat Enterprise Linux? I mean a program that reads and exports various configurations and parameters to facilitate technical support. Thorsten

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New kernel (2.6.18-53.1.13) generates "unknown attribute" errors during boot
by MHR 16 Feb '08

16 Feb '08

I've seen this now a few times, but of course I didn't write them down, so I may have the wording a little off. The new kernel seems to contain something in udevd that is now generating a whole slew of unknown attribute(or something like that) errors during the boot, before the part where dmesg picks up. They don't seem to be causing any actual problems while the system is up and running, but.... Anyone know anything about this (and what)? Curious. mhr

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problems with iscsiadm
by Maysara A. Abdulhaq 16 Feb '08

16 Feb '08

Hello, I'm fairly new to centos and to iscsi, I have installed a fresh copy of centos (CentOS release 5 (Final)) and installed iscsi-initator-utils, iscsiadm -V shows iscsiadm version 2.0-865 . when i try to connect to iscsi target it doesnt work ... it just stays idle , i try something like: iscsiadm -m discovery -t st -p 172.20.2.76 show or with -m node .... --login ...etc, none works. using the same configuration on ubuntu gutsy, same version things work! i also made both /etc/iscsi/iscsid.conf identical ... no luck :( i did tcpdump too (-vv -n ) and then grep the ip of the iscsi target, i see no traffic to the iscsi target at all on the centos machine, i tried it on the other machine it works :S Is there anything else to check? firewalls are all shutdown on all nodes ... i tried switching ips too .. any hint is greatly valued, thank you -- Maysara A. A.

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Hardened PHP? Suhosin patch?
by Niki Kovacs 16 Feb '08

16 Feb '08

Hi, I'm running a few PHP-based apps on our server (PMB, SPIP, Joomla, PHPMyAdmin), and I'm not always comforted about security. I don't know the details, but many a security expert frowns when it comes to PHP. Now I just stumbled over this: http://www.hardened-php.net/suhosin.127.html Has anyone already tried this out? An opinion about it? Is it worth it? Since I have to rebuild PHP anyway (because I need some specific modules that can only be obtained by rebuilding it), it wouldn't be much of a hassle. But I'm curious about the experts' opinion here. Cheers, Niki

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system-config-display problem
by Anne Wilson 16 Feb '08

16 Feb '08

I bought a Viewsonic VG730m monitor, analogue and digital. With a digital cable connected the screen keeps blanking for a second or so. system-config-display shows it configured as a CRT monitor, and refuses to accept that it is an LCD monitor. I've tried manually editing xorg.conf, putting in the manufacturer's values for horizontal and vertical refresh, but the problem remains. The Viewsonic website has lots of information for windows and some for mac, but nothing for linux. I need either to find how to make system-config-display keep the setting I'm giving it or to know what entry to put into xorg.conf to make it understand that it is an LCD display. Sorry if this sounds naive, but I've not had a digital monitor before. I could go back to using the analogue connection, which gave no problems, but you'll understand that I'm reluctant to do that. Anne

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