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update from 4.2 to 4.3?
by kevin.kempter＠dataintellect.com 27 Apr '06

27 Apr '06

Hi List; Whats the preferred method to update from 4.2 to 4.3? Can I use yum to do this, If so, can someone send me the appropriate install or update command string to pass to yum? Also, Do I need to add any specific yum repositories or will the stock 4.2 yum configuration work (assumint that yum is the best way to do the upgrade) ? Thanks in advance for your help... /Kevin

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CentOS/Apache Web Farm
by Todd Reed 27 Apr '06

27 Apr '06

I'm going to start this message with the CentOS list serve... I am looking into building a Web Server Farm using CentOS. Has anyone done this before? Could anyone offer some ideas I need to look at or in to? The Servers will be independent of each other and not SANS attached. That's the part that is throwing me off! I will be using some sort of load balancing, too. My ideal setup would be to have 3 servers. 2 servers in the main data center and 1 server in a remote location. The remote location would not be load balanced, but the data would need to be replicated. Could anyone offer any advice or suggestions on how to pull this off? I've spent the past 3 days looking. I've found different ideas, but each have their uniqueness! What are some actual real-case scenarios? Thanks, Todd

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problem with "yum install libXmu.so.6"
by Nat Gross 27 Apr '06

27 Apr '06

Hi; Please advise how to proceed with the following error encountered when yum install libXmu.so.6. (64 bit Intel dual core, centos 4.3). ==================== #yum install libXmu.so.6 Setting up Install Process Setting up repositories Reading repository metadata in from local files Parsing package install arguments Resolving Dependencies --> Populating transaction set with selected packages. Please wait. ---> Package xorg-x11-libs.i386 0:6.8.2-1.EL.13.25 set to be updated --> Running transaction check --> Processing Dependency: libGL.so.1 for package: xorg-x11-libs --> Processing Dependency: libexpat.so.0 for package: xorg-x11-libs --> Processing Dependency: libz.so.1 for package: xorg-x11-libs --> Processing Dependency: libfontconfig.so.1 for package: xorg-x11-libs --> Processing Dependency: libfreetype.so.6 for package: xorg-x11-libs --> Restarting Dependency Resolution with new changes. --> Populating transaction set with selected packages. Please wait. ---> Package expat.i386 0:1.95.7-4 set to be updated ---> Package xorg-x11-Mesa-libGL.i386 0:6.8.2-1.EL.13.25 set to be updated ---> Package freetype.i386 0:2.1.9-1 set to be updated ---> Package zlib.i386 0:1.2.1.2-1.2 set to be updated ---> Package fontconfig.i386 0:2.2.3-7 set to be updated --> Running transaction check Dependencies Resolved ============================================================================= Package Arch Version Repository Size ============================================================================= Installing: xorg-x11-libs i386 6.8.2-1.EL.13.25 base 2.7 M Installing for dependencies: expat i386 1.95.7-4 base 69 k fontconfig i386 2.2.3-7 base 116 k freetype i386 2.1.9-1 base 756 k xorg-x11-Mesa-libGL i386 6.8.2-1.EL.13.25 base 375 k zlib i386 1.2.1.2-1.2 base 44 k Transaction Summary ============================================================================= Install 6 Package(s) Update 0 Package(s) Remove 0 Package(s) Total download size: 4.0 M Is this ok [y/N]: y Downloading Packages: Running Transaction Test Finished Transaction Test Transaction Check Error: file /usr/share/man/man5/fonts-conf.5.gz from install of fontconfig-2.2.3-7 conflicts with file from package fontconfig-2.2.3-7 # ==================== Thanks nat

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How to find your IP Address
by Chris Peikert 27 Apr '06

27 Apr '06

Ok guys a quick newb question. I have been reading up on the Red Hat Enterprise 4 for dummies book along with installing and playing with the configurations of Cent OS 4. I have yet been able to find any information on how to find out what your IP address is. I have it set to use DHCP from our Windows server and I looked under the network card configuration settings but can not find any command or GUI place that will show your IP Address. When I go to a windows machine and try to ping the Cent box by its name it cant find the host. Now I know I can go into the DHCP server but I need to learn how to find it on the Linux box. Another question has to deal with Samba. I set up samba using the GUI interface then ran service smb start command to start up samba. The book says I should be able to browse the network with a windows machine now and find the linux box but I am unable to. Any clues why its not showing up on the network?

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RAID question
by Miguel 27 Apr '06

27 Apr '06

Hello. I have several systems (CentOS 3 and CentOS 4) with software raid and I've observed a difference in the raid state: In CentOS 3 systems we find that mdadm --detail /dev/md* show: .............. Version : 00.90.00 Creation Time : Fri Apr 16 14:59:43 2004 Raid Level : raid1 Array Size : 20289984 (19.35 GiB 20.78 GB) Device Size : 20289984 (19.35 GiB 20.78 GB) Raid Devices : 2 Total Devices : 2 Preferred Minor : 5 Persistence : Superblock is persistent Update Time : Thu Apr 20 15:52:50 2006 State : dirty, no-errors <--------------------------------------------------- RAID STATE Active Devices : 2 Working Devices : 2 Failed Devices : 0 Spare Devices : 0 Number Major Minor RaidDevice State 0 33 7 0 active sync /dev/hde7 1 34 7 1 active sync /dev/hdg7 UUID : 232294aa:45bd9dea:c62face1:2fbf7a60 Events : 0.38 .......................................... while in CentOS 3 systems we find: .................. Version : 00.90.01 Creation Time : Wed Feb 15 10:13:41 2006 Raid Level : raid1 Array Size : 76051584 (72.53 GiB 77.88 GB) Device Size : 76051584 (72.53 GiB 77.88 GB) Raid Devices : 2 Total Devices : 2 Preferred Minor : 1 Persistence : Superblock is persistent Update Time : Sun Apr 23 12:48:42 2006 State : clean <------------------------------------------------------- RAID STATE Active Devices : 2 Working Devices : 2 Failed Devices : 0 Spare Devices : 0 Number Major Minor RaidDevice State 0 8 1 0 active sync /dev/sda1 1 8 17 1 active sync /dev/sdb1 UUID : 35c88d0d:0a9b5ba5:78a32da7:5d5cb1ec Events : 0.251478 .................. Which is the difference between dirty and clean state? Both systems work fine.

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centos 4.2 upgrade
by Melinda Odom 27 Apr '06

27 Apr '06

Hi, Which one of these listings would I put in my yum.conf file to upgrade my centos 3.6 to centos 4.2? http://mirror.centos.org/centos/4.2/os/ alpha or ppc? Sincerely, Melinda Odom www.designhosting.biz 479-471-0891 -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.385 / Virus Database: 268.5.0/325 - Release Date: 4/26/2006

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Yum Bug 554 Slow Progress [was [CentOS] Lame update from Dag's repo fails for me, any help? [SOLVED]]
by William L. Maltby 27 Apr '06

27 Apr '06

Following up on http://lists.centos.org/pipermail/centos/2006-January/059877.html wherein Dag et al spaketh >>... Public key for lame-3.96.1-3.2.el4.rf.i386.rpm is not installed. > > A solution to this problem would be if Yum also explained for what > repository the key was missing (not only for what package). If you'd be so > kind to help out, you could report this on Yum's bugzilla (and post the > bugzilla id here as a reference)... Bugzilla ID 554 http://devel.linux.duke.edu/bugzilla/show bug.cgi?id=554 status has changed from "new" to "assigned". -- Bill

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RE: [CentOS] centos 4.2 upgrade
by Ash Christopher 27 Apr '06

27 Apr '06

I guess that would depend on what type your computer is =P. ________________________________ From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On Behalf Of Melinda Odom Sent: Thursday, April 27, 2006 11:28 AM To: centos(a)centos.org Subject: [CentOS] centos 4.2 upgrade Hi, Which one of these listings would I put in my yum.conf file to upgrade my centos 3.6 to centos 4.2? http://mirror.centos.org/centos/4.2/os/ alpha or ppc? Sincerely, Melinda Odom www.designhosting.biz <http://www.designhosting.biz/> 479-471-0891

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RE: [CentOS] Problems with SSH
by King, John (Greg) (LMIT-HOU) 27 Apr '06

27 Apr '06

I had the same problem with 4.3 on one system out of 4 I recently built. I checked iptables, /etc/sysconfig/networks , /etc/sysconfig/network-scripts/ifcfg-eth0 (and eth1) , /etc/resolv.conf etc etc. What was strange is I could ping , nslookup etc from that system but could never ssh to it. Same error message your posting. I ended up using a mondorescue disk from another system that worked fine and then fixed the configs for the different network configuration. If you do find out the root cause of that please share it as it bugged me not actually finding out why the same configuration process on 4 systems failed on 1 system (all the same exact hardware as well). In the end I attributed the root cause to the interface between the keyboard and the chair (me) as I could not find another cause. -Greg > -----Original Message----- > From: centos-bounces(a)centos.org > [mailto:centos-bounces@centos.org] On Behalf Of JC > Sent: Thursday, April 27, 2006 9:25 AM > To: CentOS mailing list > Subject: Re: [CentOS] Problems with SSH > > try to ping from A to B and from B to A. If you can't, then > look in to > DNS problem. > > If you can ping, then check for any firewall (selinux) and > port (22 for > ssh) > > Hope that help, > JC > > On Thu, 27 Apr 2006, it was written: > > > Hi, i have 2 linux machines on a corporative network, from > my machine(Local Machine)i Have ssh acces to the serer > typing ssh user@nombreservidor > > But when i try to connect from the server to my local > machine i have a message "name or service not known", it > doesn`t matter if i do it ss user or as root > > If i type ssh user@iplocal i have a message "no route to host" > > it already verified that both systems(local and server) > have SSH running > > by typing service sshd status, and the response is "ssh is > running (pidxxxx) > > The OS in the local machine is CentOS 4.3 in the server is > WhiteBox 4 > > > > Anyone have aan idea? > > please, I need help > > Thanks > > > > ----------------------------------------------------------- > > Sign up and get your 30GB webmail at www.30gigs.com now! > > -- > >

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Problems with SSH
by unknown＠example.com 27 Apr '06

27 Apr '06

Hi, i have 2 linux machines on a corporative network, from my machine(Local Machine)i Have ssh acces to the serer typing ssh user@nombreservidor But when i try to connect from the server to my local machine i have a message "name or service not known", it doesn`t matter if i do it ss user or as root If i type ssh user@iplocal i have a message "no route to host" it already verified that both systems(local and server) have SSH running by typing service sshd status, and the response is "ssh is running (pidxxxx) The OS in the local machine is CentOS 4.3 in the server is WhiteBox 4 Anyone have aan idea? please, I need help Thanks ----------------------------------------------------------- Sign up and get your 30GB webmail at www.30gigs.com now!

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