Discuss September 2006

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362 discussions

RE: [CentOS] very new user having problems
by Thompson Harmon [US], Stanley W. 06 Sep '06

06 Sep '06

> -----Original Message----- > From: centos-bounces(a)centos.org > [mailto:centos-bounces@centos.org] On Behalf Of William L. Maltby > Sent: Wednesday, September 06, 2006 1:29 AM > To: CentOS General List > Subject: Re: [CentOS] very new user having problems > > On Tue, 2006-09-05 at 19:05 -0700, barbaara fberg wrote: > > <snip> > > > 24 years ago just before he got out of the service they > found cancer and > > fixed it. > > It came back more aggressively and he has had chemo each > week. 4 more weeks > > to go. so he was resting a lot over the holiday before he > has to do it > > again. > > Many prayers are with you and for you and your hsuband. > > -- > Bill > Barbaara, Bill is correct - "many prayers are with you ..." I have added you and your husband to my prayer list and I am sure others will do the same. -- Stan

1 0

mount ntfs file system
by dxuranus 06 Sep '06

06 Sep '06

i learned that ntfs file system not supported by centos. and i try to tell my system version with uname -r and find my version is 2.6.9-22.EL so i download the kernel-module-ntfs-2.6.9-22.ELsmp-2.1.20-0.rr.9.10.i686.rpm but after rpm -ivh ..................... i do't know how to do? a article told me go to /usr/src/2.......... but i can't even find the dir . thanks for any help.

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centos minimal install???
by Email Lists 06 Sep '06

06 Sep '06

I was doing an Internet facing server reload for a client today and he mentioned that there is a minimal install selection somewhere and that I should take a disk 1 of centos 4.4 and it would be under custom Is this the case? How? I couldn't find it, nor could he after the fact. If it exists, where is it, or how do I get to it for future reference please? I usually use a centos server cd myself. :-) Thanks and kind regards! - rh -- Robert - Abba Communications Computer & Internet Services (509) 624-7159 - www.abbacomm.net

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Anyone seeing mock breakage after updating to 4.4?
by Ralph Angenendt 06 Sep '06

06 Sep '06

Morning, somehow the upgrade to 4.4 broke mock on my system: | [angenenr@shutdown SPECS]$mock -r c3-i386 /home/angenenr/redhat/SRPMS/apache-ssl-2.8.28-2el4.src.rpm | init | clean | prep | This may take a while | Could not find useradd in chroot, maybe the install failed? Nope, it's not the config_opts['chroot_setup_cmd'] = 'groupinstall build' issue, as I'm still using mock 0.4 (from kbs-CentOS-extras). I'm seeing this in the root.log in result/: | Executing /usr/sbin/mock-helper mount -t proc proc | /var/lib/mock/c3-i386/root/proc | mount: proc already mounted or /var/lib/mock/c3-i386/root/proc busy | mount: according to mtab, proc is already mounted on | /var/lib/mock/c3-i386/root/proc | | Executing /usr/sbin/mock-helper mount -t devpts devpts | /var/lib/mock/c3-i386/root/dev/pts | mount: devpts already mounted or /var/lib/mock/c3-i386/root/dev/pts busy | mount: according to mtab, devpts is already mounted on | /var/lib/mock/c3-i386/root/dev/pts When mock is trying to install the rpms for the buildroot then, I see: | error: can't create transaction lock on /var/lib/mock/c3-i386/root/var/lock/rpm/transaction And my root/ directory is missing usr/. Anyone else seeing this? Regards, Ralph -- Ralph Angenendt......ra(a)br-online.de | .."Text processing has made it possible Bayerischer Rundfunk...80300 München | ....to right-justify any idea, even one Programmbereich.Bayern 3, Jugend und | .which cannot be justified on any other Multimedia.........Tl:089.5900.16023 | ..........grounds." -- J. Finnegan, USC

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Server closing all the ports after inactivity Could not connect to webserver
by Anil 06 Sep '06

06 Sep '06

Hi All I am running Centos -4.4 final with all the updates My webserver stop responding after about half an hour od inactivity.I just gets a timeout message. When I try to refresh the page 3-4 times it start active again. Infact all the ports on the server are closed during the inactive period even though I have ssh,ftp and http enabled on it. When the server is responding I can see (with a port scan)the ports are open. I tried disabling the firewall(on the centos server) altogether because the server sits behind another firewall. If I do a restart of the httpd or do any other network related stuff on the server it opens the ports again. Any help is appreciated Regards Anil -- Most operating systems were developed for commercial or technical motives, but GNU was developed for the sake of giving users the freedom to cooperate in a community. And if users don't know this, they will be in danger of losing their freedom. --Richard Stallman Public Key -------xxxxx cut here xxx-------- 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 Anil@cuty -------xxxxx cut here xxx--------

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OT - backup question/advice
by Thomas E Dukes 06 Sep '06

06 Sep '06

Hello, I have been using mondorescue to backup to dvd for several months now without any problems. Since upgrading to Centos 4.4, I now receive a few errors. The errors are for files in /var/named/chroot/proc. I guess these files change so when I do a differntial backup they aren't there and result in errors. (Never got any errors before and I think these files were there in 4.3) If I exclude the files from the backup, no errors. My question is what, if any problems would I run into not backing these files up and having to do a complete system restore? TIA, Eddie

6 11

Bug: lvchange delayed until re-boot. System lock up experienced.
by William L. Maltby 06 Sep '06

06 Sep '06

Did a search for LVM at the CentOS bugzilla. Nothing seems to match this scenario. If no one contradicts me, I'll also post this in the bug reporting system. Wanted to a) get confirmation, if possible before bugging it and b) warn other souls that may be adventurous too! Summary: failings in LVM and kernel(?) seem to make a "freeze" possible. 1) Lvchange --permission=r seems to not take effect until re-boot even though lvdisplay says it has taken effect; 2) Prior to reboot, mount will mount a read-only LV and give no warning that it is read-only and will mount it r/w. The opposite also occurs: if the LV was ro and it is changed to r/w, mount still acts as if read-only is in effect. 3) If these steps are done, *ALL* commands work as if everything is normal *except* "ro" seems to have no effect: - lvchange --permission=r # Seems OK - lvdisplay # Seems OK, says "r" - mount <normal mount args> # Only "t -ext2" extra, no "read # only" warning from mount command - >/mnt/the_mount_point/test # Seems OK, ls shows it - rm /mnt/the_mount_point/test # Seems OK, ls doesn't show it What would happen if I did not umount it here? I guess it would run for at least some time without problem. Then, if LVM truly has it ro, when buffer flush time came there should be some undesirable results. At this point, I issued a umount for the volume and the system froze with blinking keyboard LED. Subsequent re-boot and investigation added the knowledge that the change in lv status was delayed until reboot. Can/will anyone confirm/deny this for me? Thx. Node: Athalon, CentOS-4.3. fully updated, all normal components from base (wine and a few odds and ends from rpmforge). ============ Gory Details Below ====================================== Progressing on LVM education and simplified b/u procedure using it. Covered my butt by setting the lv to read only. Got the hare-brained idea to see what would happen if... >>:-( # Protect fools from themselves. # umount /dev/VolGroupAA/lvol1 # lvchange --permission r VolGroupAA/lvol1 Logical volume "lvol1" changed # lvdisplay VolGroupAA/lvol1 # Edited below to items of interest --- Logical volume --- LV Name /dev/VolGroupAA/lvol1 VG Name VolGroupAA LV Write Access read only LV Status available # open 0 LV Size 9.31 GB Current LE 298 Block device 253:3 # Notice: no read-only this mount & no warning from mount command # mount -t ext2 /dev/VolGroupAA/lvol1 /mnt/VolGroupAA_lvol1 # > /mnt/VolGroupAA_lvol1/test # ls show file created # rm /mnt/VolGroupAA_lvol1/test # ls shows file gone # umount /dev/VolGroupAA/lvol1 # Instant petrification! Purgatory entered: flashing keyboard LED and the usual three-fingered salute and destructive pounding on attached peripherals had the expected results! NADA! Googled here (it wrapped, sorry) http://groups.google.com/groups/search?hl=en&lr=&q=read-only+mount +write+LVM2+kernel+2.6+2006+lock+OR+crash&qt_s=Search Didn't see anything that looks like it. Saw a drbd related elsewhere that might come close... but NOPE! Anyway, since it seems (according to the HOWTO) that only mailing list activities report and address bugs (didn't see a bugzilla: did I look too casually?) I would like to confirm this is not peculiar to my node. I prefer not to subscribe to another list just to belatedly discover nothing of value after searching their archives too! If anyone else has a test machine and time, I will take the trouble to report this if it is confirmed. Subsequent reboot and test from the console gave this surprise. # lvchange --permission rw VolGroupAA/lvol1 Logical volume "lvol1" changed # mount -t ext2 /dev/VolGroupAA/lvol1 /mnt/VolGroupAA_lvol1 mount: block device /dev/VolGroupAA/lvol1 is write-protected, mounting read-only # There I realized that the status change was not propagated to the system until a re-boot. Later I tried adding a "lvchange --refresh" although the docs didn't seem promising. It had no effect. Confiming again, re-booted and did this. Note the read/write access. # lvdisplay /dev/VolGroupAA/lvol1 --- Logical volume --- LV Name /dev/VolGroupAA/lvol1 VG Name VolGroupAA LV UUID jDoW7T-e7IS-Z5Zd-F1lG-3E6S-DvDl-bxYq7d LV Write Access read/write LV Status available # open 0 LV Size 9.31 GB Current LE 298 Segments 1 Allocation inherit Read ahead sectors 0 Block device 253:3 # lvchange --permission r VolGroupAA/lvol1 Logical volume "lvol1" changed # lvdisplay /dev/VolGroupAA/lvol1 --- Logical volume --- LV Name /dev/VolGroupAA/lvol1 VG Name VolGroupAA LV UUID jDoW7T-e7IS-Z5Zd-F1lG-3E6S-DvDl-bxYq7d LV Write Access read only LV Status available # open 0 LV Size 9.31 GB Current LE 298 Segments 1 Allocation inherit Read ahead sectors 0 Block device 253:3 # mount -t ext2 /dev/VolGroupAA/lvol1 /mnt/VolGroupAA_lvol1 # Note: no warning about read-only issued. # mount <snip uninteresting stuff> /dev/mapper/VolGroupAA-lvol1 on /mnt/VolGroupAA_lvol1 type ext2 (rw) # >/mnt/VolGroupAA_lvol1/test # ls -ltr /mnt/VolGroupAA_lvol1 total 6486852 -rw-r--r-- 1 <snip> 290155835 Jul 25 12:25 ImportedHardDisks.tar.bz2 drwx------ 2 <snip> 16384 Jul 25 16:53 lost+found -rw-r--r-- 1 <snip> 6345862846 Jul 25 20:49 TestDisk_Test.tar.bz2 -rw-r--r-- 1 root root 0 Jul 27 11:56 test # umount here will lock machine. I'll finish mail first. TIA -- Bill

2 1

very new user having problems
by barbaara fberg 06 Sep '06

06 Sep '06

I just loaded CentOS and want to connect to the internet using a radio and wireless internet. I got some numbers from the internet provider. He walked me through some of the changes in the networking area. But it did not work. I have read three books on Unix and I am determined to do this. but I think I need lots of help. Where could I look this up on a windows machine?? when I get connected to the net, then I have another question about how to make the jave download operational. thank you

7 23

No sound after upgrade to 4.4
by Joseph Haig 06 Sep '06

06 Sep '06

After upgrading from CentOS 4.3 to 4.4 the sound doesn't work anymore. Messages like the following appear in dmesg when I try to use it: application firefox-bin uses obsolete OSS audio interface The output from 'lsmod | snd' is: snd_azx 21713 2 snd_hda_codec 121665 1 snd_azx snd_pcm_oss 52729 0 snd_mixer_oss 21953 2 snd_pcm_oss snd_pcm 92357 3 snd_azx,snd_hda_codec,snd_pcm_oss snd_timer 28229 1 snd_pcm snd 57509 8 snd_azx,snd_hda_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer soundcore 13089 2 snd snd_page_alloc 13897 2 snd_azx,snd_pcm The computer is a Dell Dimension 3100 and the soundcard in on-board. Has anyone else seen this problem? Thanks, Joe

6 6

DNS resolve.conf not working
by Ed Morrison 05 Sep '06

05 Sep '06

Hi All: After upgrading to 4.4 my server(s) will not resolve using the servers listed in resolve.conf. This is not true of a server running a DNS Cache server. I can do a netstat -e and show a connection to the DNS servers but it will not resolve any domain names (please see below). Any thoughts? [root@ftp ~]# dig yahoo.com ; <<>> DiG 9.2.4 <<>> yahoo.com ;; global options: printcmd ;; connection timed out; no servers could be reached [root@ftp ~]# netstat -e Active Internet connections (w/o servers) Proto Recv-Q Send-Q Local Address Foreign Address State User Inode tcp 0 0 10.0.2.5:32806 66.81.0.251:domain ESTABLISHED root 17584 Thanks, Ed

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Discuss September 2006