Discuss June 2007

discuss@lists.centos.org

280 participants
339 discussions

lvm
by Shawn 13 Jun '07

13 Jun '07

Hello, I have a physical volume with no volume group. # /sbin/pvscan -n WARNING: only considering physical volumes in no volume group PV /dev/sdg2 lvm2 [148.95 GB] Total: 1 [148.95 GB] / in use: 0 [0 ] / in no VG: 1 [148.95 GB] Can I just create a volume group -- for example: # vgcreate my_volume_group /dev/sdg2 and then activate it: # vgchange -a y my_volume_group I don't wish to reformat it or otherwise lose data stored on the volume if possible. Other suggestions? Shawn

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Pinging Static IPs on Lan
by Thom Paine 13 Jun '07

13 Jun '07

For some reason I can't ping or communicate with two of my machines that have static IP's on my lan. My mythbe and mythfe are both set to have static ip's in the event of some sort of power problem the wife can stillwatch tv. After installing CentOS5, I can't communicate with those two machines. I read through the release notes and the docs on dhcp, but I can't seem to see why no machines will communicate with those two computers. Thanks. -- -=/>Thom

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SSH remote port forward
by Ugo Bellavance 13 Jun '07

13 Jun '07

Hi, I'm trying to do a remote port forward, and the remote hosts only listens to 127.0.0.1 on the forwarded port. [ugob@server ~]$ netstat -ln Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 127.0.0.1:5500 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:5666 0.0.0.0:* LISTEN tcp 0 0 ::1:5500 :::* LISTEN tcp 0 0 :::22 :::* LISTEN (I'm trying to tunnel a vnc client connection. From putty's logs, you can see that the tunnel is requested: 2007-06-12 17:34:15 Opened channel for session 2007-06-12 17:34:15 Requesting remote port 5500 forward to 10.0.0.1:5500 2007-06-12 17:34:15 Remote port forwarding from 5500 enabled (I changed the real IP address to 10.0.0.1). In putty, the "Local ports accept connections from other hosts" and "Remote ports do the same" are checked. Any ideas? Regards, ugo

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is CentOS stable enough ?
by arnuld 13 Jun '07

13 Jun '07

hello to all, i am a newbie to CentOS. for my project work i need to have RHEL. so i searched Google for Open alternatives and found CentOS to be most popular. i have used Fedora, the base of RHEL and CentOS. Fedora is the one of the most buggy *NIX distro i have ever seen. since Fedora is the base of RHEL which is the base of CentOS, i just want to know whether CentOS is stable and reliable enough to work with. i will use CentOS primarily for developing softwares and also for watching Bruce Lee's movies ;-) NOTE: please do not take my email is as offense, to be true to you, Fedora just sucks :-( -- http://arnuld.blogspot.com/ -- http://arnuld.blogspot.com/

11 31

BIND Help
by Thom Paine 13 Jun '07

13 Jun '07

I just installed CentOS5 on my server and I have to get everything working on it. I chose to clean load it upgrading from RHEL3 to CentOS5. I'm having trouble understanding the way bind works now and was wondering if anyone has a bit of time to help me with it. I am starting from scratch and I only have my primary domain and one additional domain I host. Thanks. -- -=/>Thom

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SMART errors Hardware_ECC_Recovered and Raw_Read_Error_Rate
by MrKiwi 13 Jun '07

13 Jun '07

Hi All, Im seeing these errors (below) between 2 and 40 times a day, for the last year (or more if i had the older logs) in /var/log/messages. The values consistently toggle between 4 or so values, drifting up and down but never outside the mean +-2 /dev/hda sits around 21 to 38 degrees (according to smartctl) Does anyone know *how* serious they are? I cant find much on the web other than the theory that any error is bad, so replace the disk. Thanks for your time, MrKiwi. Jun 13 04:45:03 myserver smartd[3047]: Device: /dev/hda, SMART Prefailure Attribute: 1 Raw_Read_Error_Rate changed from 60 to 61 Jun 13 04:45:03 myserver smartd[3047]: Device: /dev/hda, SMART Usage Attribute: 195 Hardware_ECC_Recovered changed from 60 to 61

1 0

centos 5 GFS/Cluster - configure fence using NIC?
by Karl R. Balsmeier 13 Jun '07

13 Jun '07

How does one configure a fence device in the form of a NIC card in centos 5? Is the gnbd item relevant to this? I have posted the question to linux-cluster also, but they are much less active overall, -so if you have info, massively appreciated... -karl

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Centos openssl-devel
by CentOS List 12 Jun '07

12 Jun '07

Hi, I was trying to install openssl-devel via yum on CentOS 5 x86 and notice that it requires i386 package. Installing: openssl-devel x86_64 0.9.8b-8.3.el5 base 1.8 M openssl-devel i386 0.9.8b-8.3.el5 base 1.8 M And below are the errors. Transaction Check Error: file /usr/share/man/man1/asn1parse.1ssl.gz from install of openssl-0.9.8b-8.3.el5 conflicts with file from package openssl-0.9.8b-8.3.el5 file /usr/share/man/man1/nseq.1ssl.gz from install of openssl-0.9.8b-8.3.el5 conflicts with file from package openssl-0.9.8b-8.3.el5 file /usr/share/man/man1/ocsp.1ssl.gz from install of openssl-0.9.8b-8.3.el5 conflicts with file from package openssl-0.9.8b-8.3.el5 file /usr/share/man/man1/smime.1ssl.gz from install of openssl-0.9.8b-8.3.el5 conflicts with file from package openssl-0.9.8b-8.3.el5 Why does a x86 structure requires i386 package? regards

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Selinux custom policy issue - Centos 5
by Miskell, Craig 12 Jun '07

12 Jun '07

Hi, I've got a Centos 5 box (recently replaced a Centos4 box of the same function). The means of applying custom SELinux policy has changed somewhat from 4->5. I've got it mostly figured out; I have a local.te file with my custom policy and also which defines a few new file types, and a local.fc with appropriate defintions of file contexts. When I run: # checkmodule -M -m -o local.mod local.te # semodule_package -o local.pp -m local.mod # semodule -i local.pp (all in /usr/share/selinux/targeted), the policy gets installed and works properly. However, I can't then use fixfiles or the like to set the custom file contexts (my custom file contexts aren't installed in the main policy). I can apply them manually with chcon, but that's icky and not "The One True Way(tm)". So, if I do: # checkmodule -M -m -o local.mod local.te # semodule_package -o local.pp -m local.mod -f local.fc # semodule -i local.pp I get the following output: libsepol.context_from_record: MLS is enabled, but no MLS context found libsepol.context_from_record: could not create context structure libsepol.context_from_string: could not create context structure libsepol.sepol_context_to_sid: could not convert system_u:object_r:file_upload_store_t to sid /etc/selinux/targeted/contexts/files/file_contexts: line 537 has invalid context system_u:object_r:file_upload_store_t libsemanage.semanage_install_active: setfiles returned error code 1. Where file_upload_store_t is one of my custom types. My local.fc looks like this: /data/spool/blastreq(/.*)? system_u:object_r:blast_req_t /data/spool/blastres(/.*)? system_u:object_r:blast_res_t /data/upload(/.*)? system_u:object_r:file_upload_store_t /data/bfiles(/.*)? system_u:object_r:bfiles_t /var/www/possumbase/html/imagetemp(/.*)? system_u:object_r:http_image_temp_t /var/www/sheep/html/imagetemp(/.*)? system_u:object_r:http_image_temp_t And my local.te contains (selected portions only for now): module local 1.1; require { ... <various normal requires> ... } type blast_req_t,file_type; allow httpd_sys_script_t blast_req_t:file { create getattr write}; allow httpd_sys_script_t blast_req_t:dir { read getattr lock search ioctl add_name write }; ...etc So, looks like I need to do something else, possibly in my local.fc. However, my google-fu is not strong enough to find any actual examples of successful custom file context type creation/installation using selinux modules. I suspect something simple, but haven't a clue what it is. Anyone got any idea what I need to do different? Thanks, Craig Miskell NB: To avoid the whole flamewar: "Turn off SELinux" is not a useful answer in this case ;-) Craig Miskell, Technical Support, AgResearch Invermay 03 489-9279 "I think that if I ever put a *nix distribution together, the mailer's installation will include several pieces of spam in the initial mail spool." -- Chris Reuter ======================================================================= Attention: The information contained in this message and/or attachments from AgResearch Limited is intended only for the persons or entities to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipients is prohibited by AgResearch Limited. If you have received this message in error, please notify the sender immediately. =======================================================================

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kernel-smp not upgrading
by Ugo Bellavance 12 Jun '07

12 Jun '07

Hi, Box is a dual-dual core opteron. Centos4. Just upgraded t the latest kernel (2.6.9-55). The UP kernel installed fine, but the smp kernel didn't install. What should I do? Is that normal? Original kernel was a smp. Regards, Ugo

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Discuss June 2007