Discuss September 2007

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265 participants
310 discussions

need help on second Ethernet port (eth1) point to point connect
by mcclnx mcc 10 Sep '07

10 Sep '07

I have two DELL servers with two Ethernet ports in it. Bith servers have CENTOS 4.5 installed. First Ethernet port connect to public Ethernet line and work correctly. Second Ethernet port I connect point-to-point as private Ethernet (cable direct connect without router or switch). Private Ethernet use IP asddress 1.1.1.1 and 1.1.1.2. I check "ifconfig -a" and both eth0 and eth1 are up and active. when I tried to ping another server use second port (private) and no response. Does anything I configure wrong? Thanks. ======== info === %ifconfig -a eth0 Link encap:Ethernet HWaddr 00:08:74:EA:54:64 inet addr:172.29.86.15 Bcast:172.29.85.255 Mask:255.255.255.0 inet6 addr: fe80::208:74ff:feea:5464/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:471 errors:0 dropped:0 overruns:0 frame:0 TX packets:91 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:65669 (64.1 KiB) TX bytes:11847 (11.5 KiB) eth1 Link encap:Ethernet HWaddr 00:0E:2E:C8:B9:80 inet addr:1.1.1.1 Bcast:1.1.1.255 Mask:255.255.255.0 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) Interrupt:18 Base address:0x4c00 %ping 1.1.1.2 PING 1.1.1.2 (1.1.1.2) 56(84) bytes of data. >From 1.1.1.1 icmp_seq=1 Destination Host Unreachable >From 1.1.1.1 icmp_seq=2 Destination Host Unreachable >From 1.1.1.1 icmp_seq=3 Destination Host Unreachable --- 1.1.1.2 ping statistics --- 4 packets transmitted, 0 received, +3 errors, 100% packet loss, time 3015ms , pipe 3 %telnet 1.1.1.2 Trying 1.1.1.2... telnet: connect to address 1.1.1.2: No route to host ____________________________________________________________________________________ 杜絕網路駭客，保障帳號安全 - 馬上設定 Yahoo!奇摩安全圖章http://tw.info.yahoo.com/seal/index.html

7 10

Saving network configuration
by Mezei Zoltán 10 Sep '07

10 Sep '07

Hi, Is there a tool in centos which can save the actual network configuration somehow? Preferably to the network-scripts directory. I'd like to have it configured the Centos-way but it seems a bit puzzling to set up multiple routing tables... Zizi

1 0

kmod-drbd-smp (2.6.9-55.0.2.EL) has unknown symbols (kmod-drbd not)
by Akemi Yagi 10 Sep '07

10 Sep '07

(Sorry for starting a new thread; I could not find the original message in my mbox.) Martin Hamant wrote: > Johnny Hughes <johnny at centos.org> écrivait: >> OK ... For the drbd-kmod*.plus kernels, they are now in the CentOSPlus >> directory / Repository. If you are using CentOSPlus kernel, you need >> to also get your module for DRBD (or XFS) from there too. >> >> If you are using the Base Kernel (non-Plus one) then you would get >> your DRBD Modules (or XFS modules) from extras. >> >> This should prevent the exclude requirement to get non-Plus kernel >> modules. >> >> SO ... if you need a module for the base kernel, it is in extras ... >> if you need a module for the centosplus kernel, it is in centosplus. > > Sounds great. > > The last problem is if "plus" and "extras" repos are both activated: it > occurs for centosbase/centosplus kernels the same way as for > kmod-drbd... because last version is determined by the text pattern :( > > The centosplus repo should be activated with care... > > About updating drbd modules, what is the current behavior when you issue > a "yum update" ? Is the new kmod-drbd is install automatically (like > kernels are) ? With the precedent package you'll had to install the new > one manually if you didn't want to get stuck with a new fresh default > kernel without any drbd support ^^ A centosplus kernel update (2.6.9-55.0.6) came out. Because the kernel and kmod-drbd were pushed out at the same time, there was no need to hold the kernel update until kmod-drbd becomes available. However, yum update failed . Turns out kmod-drbd needed to be excluded from the extras repo. This was because centosplus is given a lower priority than extras and yum tried to pull kmod-drbd (for the standard kernel) from the extra repo. So, the answer to the situation above (which is the case with my test machine) is that you need to exclude kmod-drbd from extra and that as far as kernel and kmod-drbd come out together, installation is done all automatic. Akemi

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Link to call me for free
by milind chaudhari 10 Sep '07

10 Sep '07

I am using jaxtr, and if you also sign up, we can talk for free on the phone at any time. -milind P.S. Here is the link to sign up: http://www.jaxtr.com/user/ticket?n=T1s7331ncxgm2p&type=joininvite --- Delivered by jaxtr, Inc., 855 Oak Grove Avenue, Suite 100, Menlo Park, California 94025. To stop receiving messages from this sender go to http://www.jaxtr.com/user/reportabuse.jsp?it=T1s7331ncxgm2p

1 0

Centos5 Webcam/Video input/output
by Stewart Walker 09 Sep '07

09 Sep '07

We have been exploring the possibilities using Centos5 for video. Video and Audio Streaming sounds like great fun. Subject is pretty new to us here and well there was nothing else to do but take the dive. After much time beating our heads against the wall and covering the planet google'ing and hitting the books trying to get a webcam to work. I am wondering if it wouldn't be better just to head back to the windows platform.. What a mess this has become on the open source platform. Grant it could be hardware (ok maybe its me and the kernel not agreeing) as this is just a development system that appears to have kernel compatible hardware. Does anyone out there have any encouraging words, howto docs or knowledge of commercial applications/support that are known to work for Centos5? Much thanks in advance.

3 2

ext3 inode and journal limitation
by Centos 09 Sep '07

09 Sep '07

Hello what is the limitation of inode and journaling on 32 bit ext3 file system. what about 64 bit. Thanks

4 4

LVM problem
by Kuang-Chun Cheng 09 Sep '07

09 Sep '07

Hi, I have CentOS 5.0 which use an old hard disk. And recently I found there are some bad sector on it ... I try to backup my data to other CentOS 5.0 box .... What I did is. I remove the old HD (with bad sector) and install it as a slave IDE on a working CentOS 5.0 ... I try to mount the old HD as /mnt/oldDisk but since it's a LVM, the "mount -t ext3" doesn't work. I'm new to LVM ... could someone help me on this. Also, there is a problem I found. Both HD have the same VG called /dev/VolGroup00 ... server:[root]/dev> pvscan PV /dev/hdb2 VG VolGroup00 lvm2 [76.22 GB / 0 free] PV /dev/hda2 VG VolGroup00 lvm2 [76.22 GB / 0 free] Total: 2 [152.44 GB] / in use: 2 [152.44 GB] / in no VG: 0 [0 ] where the /dev/hdb2 is the old one with bad sector ... and it's unmounted. The /dev/hda2 is the root filesystem of the working CentOS 5.0 Regards KC

3 2

Subject: How do I recover from a corrupt fstab file on reboot?
by chuck 09 Sep '07

09 Sep '07

I am using CENTOS 5 and I am stuck where I have to repair my boot loader and all of the files are read only so I cannot fix them. How do I get around this? Thanks Chuck

3 3

Re: Re: imap webmail client needed
by Sokol 09 Sep '07

09 Sep '07

> Date: Sat, 8 Sep 2007 12:33:52 -0500 (CDT) > From: Barry Brimer <lists(a)brimer.org> > Subject: Re: [CentOS] imap webmail client needed > To: CentOS mailing list <centos(a)centos.org> > Message-ID: <Pine.LNX.4.61.0709081218340.2473(a)localhost.localdomain> > Content-Type: text/plain; charset="utf-8" > >> Hi list, >> >> IÂ´m searching a webmail imap client including a calendar and a todo list >> (last is not necessary) for 2 or 3 users. I have tried zimbra but itÂ´s too >> oversized for my claim. >> Do someone have a hint? >> Thanks. > > I prefer Horde, which is available in the CentOS Extras repository. The > horde website is horde.org > > Barry > > ------------------------------ Hi, I' ve checked squirrelmail and horde both and decide to use horde due to horde's webinterface looks more attractive to me. I will miss roundcube's ajax webinterface but horde give me the features I need. Thank you guys!

1 0

Re: [CentOS] Why CentOS as a webhosting platform
by Lanny Marcus 09 Sep '07

09 Sep '07

On 06 September 2007, Karanbir Singh <mail-lists(a)karan.org> wrote: > > CentOS seems to be doing really well in the hosting business these > days, and even for people who would normally have used Windows or OSX > on the hosting previously, are now looking at using CentOS. And I > thought it would be nice to have a section on the wiki about exactly > why that is. > Another question is why not to use CentOS. My web hosting ISP (OLM) doesn't use it. I can't imagine why not. It would seem to be more stable and have a longer life, etc. I would prefer they use CentOS, but, my web sites are on shared hosting.

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Discuss September 2007