Discuss January 2011

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276 participants
289 discussions

Grub upgrade for CentOS 5.5?
by Ron Blizzard 03 Jan '11

03 Jan '11

Stupid question (I'm guessing). I'm currently tri-booting (or would like to be) VectorLinux 6 Deluxe, CentOS 5.5 and an evaluation copy of Red Hat 6. I'm using CentOS's grub. VectorLinux and CentOS boot fine, but Red Hat won't load. I think I read somewhere that CentOS's grub is too old for ext3, 256 (something or others). So, is it possible to download and install a newer version of grub for CentOS 5.5? (This has been a problem with other tri-boot attempts). If not, is their a way to boot Red Hat from the install DVD? Since it's only a 30 day evaluation, booting from DVD or CD would be fine, but I don't see the option. Thanks for any pointers. -- RonB -- Using CentOS 5.5

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Re: [CentOS] Centos 5.5 - Kernel Panic while booting.
by Lisandro Grullon 03 Jan '11

03 Jan '11

This was very helpful Akemi...I was loading centos in two other identical servers today and was having such a hard time loading it from DVD, DVD appears to be crashing, I even re-downloaded the image 3 times from three different mirrors and burn them with different applications (Nero, Roxio, and poweriso), worse case scenario it must be something with the Memorex DVD Media. Anyway, after two hours of trying I decided to do a network install and everything went flawless. Good to have many options, Centos rocks! >>> Akemi Yagi 12/17/10 8:13 PM >>> On Fri, Dec 17, 2010 at 5:11 PM, Lisandro Grullon wrote: > Akemi, > I went through the different mirrors and was unable to locate the ISO as it > is stated as deprecated or unsupported, is there any plans to fix this issue > in 5.6 or rather 6.x release. It appears that the latest build from Centos > was built back in may, lots of bugs have emerge since them including this > one relating to a kernel panic. Please advise in the location of 5.4, i am > willing to try it. It's here: http://vault.centos.org/5.4/ Akemi

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happy new years ssh key problem :)
by bluethundr 03 Jan '11

03 Jan '11

Hi List, Happy New Years and I was hoping to get some help on an ssh issue that I am having. For some reason I am unable to scp to hosts on this network using RSA keys. Here is what I am doing/what is going on; scp the public key to remote host [amandabackup@VIRTCENT18 ~]$ scp ~/.ssh/id_rsa_amdump.pub amandabackup@lb1:~ amandabackup@lb1's password: id_rsa_amdump.pub 100% 408 0.4KB/s 00:00 ssh (w/passwd) to remote host [amandabackup@VIRTCENT18 ~]$ ssh lb1 amandabackup@lb1's password: Last login: Fri Dec 31 10:57:05 2010 from 192.168.1.40 ######################################################### # SUMMITNJHOME.COM # # TITLE: LB1 BOX # # HOST: VIRTCENT01 # # LOCATION: SUMMIT BASEMENT # ######################################################### check to see if the key exists in authorized_keys [amandabackup@VIRTCENT01 ~]$ grep -f id_rsa_amdump.pub ~/.ssh/authorized_keys it didn't so cat it into authorized_keys [amandabackup@VIRTCENT01 ~]$ cat id_rsa_amdump.pub >> ~/.ssh/authorized_keys check again, just to make sure that it's there [amandabackup@VIRTCENT01 ~]$ grep -f id_rsa_amdump.pub ~/.ssh/authorized_keys ssh-rsa BlAB3Nza/FAKE-KEY-DATA--KEY-DATAKfMq4DDa0xaKb/FAKE-KEY-DATA--KEY-DATAsoqCu/boKNa/FAKE-KEY-DATA--KEY-DATAp1n9TcDtxm2XFHcOKUw2/14/bz1pWNDI/FAKE-KEY-DATA--KEY-DATAr9951JdK7Ny6lk/FAKE-KEY-DATA--KEY-DATA1/FAKE-KEY-DATA--KEY-DATAwh2dmgyxI9N69x3ypvWcGWShZw1BCJI06j5qIxvin99/FAKE-KEY-DATA--KEY-DATA It is. so good so far. Check permissions on authorized_keys file [amandabackup@VIRTCENT01 ~]$ ls -l ~/.ssh/authorized_keys -rw------- 1 amandabackup disk 408 Dec 31 11:02 /var/lib/amanda/.ssh/authorized_keys make sure we have the right home environment HOME=/var/lib/amanda Also good. Now, make sure ssh is looking at the right file [root@VIRTCENT01 ~]# grep -i authorizedkeysfile /etc/ssh/sshd_config AuthorizedKeysFile ~/.ssh/authorized_keys It is. Now exit and try to ssh in [amandabackup@VIRTCENT01 ~]$ exit Connection to lb1 closed. [amandabackup@VIRTCENT18 ~]$ ssh -vvv amandabackup@lb1 OpenSSH_5.6p1lpk, OpenSSL 0.9.8e-fips-rhel5 01 Jul 2008 debug1: Reading configuration data /etc/ssh/ssh_config debug2: ssh_connect: needpriv 0 debug1: Connecting to lb1 [192.168.1.23] port 22. debug1: Connection established. debug1: identity file /var/lib/amanda/.ssh/id_rsa type -1 debug1: identity file /var/lib/amanda/.ssh/id_rsa-cert type -1 debug1: identity file /var/lib/amanda/.ssh/id_dsa type -1 debug1: identity file /var/lib/amanda/.ssh/id_dsa-cert type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.6 debug1: match: OpenSSH_5.6 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.6 debug2: fd 3 setting O_NONBLOCK debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: ssh-rsa-cert-v01@openssh.com,ssh-dss-cert-v01@openssh.com,ssh-rsa-cert-v00@openssh.com,ssh-dss-cert-v00@openssh.com,ssh-rsa,ssh-dss debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc(a)lysator.liu.se debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc(a)lysator.liu.se debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64@openssh.com,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64@openssh.com,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,zlib(a)openssh.com,zlib debug2: kex_parse_kexinit: none,zlib(a)openssh.com,zlib debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: first_kex_follows 0 debug2: kex_parse_kexinit: reserved 0 debug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: ssh-rsa,ssh-dss debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc(a)lysator.liu.se debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc(a)lysator.liu.se debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64@openssh.com,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64@openssh.com,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,zlib(a)openssh.com debug2: kex_parse_kexinit: none,zlib(a)openssh.com debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: first_kex_follows 0 debug2: kex_parse_kexinit: reserved 0 debug2: mac_setup: found hmac-md5 debug1: kex: server->client aes128-ctr hmac-md5 none debug2: mac_setup: found hmac-md5 debug1: kex: client->server aes128-ctr hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug2: dh_gen_key: priv key bits set: 114/256 debug2: bits set: 470/1024 debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug3: check_host_in_hostfile: host lb1 filename /var/lib/amanda/.ssh/known_hosts debug3: check_host_in_hostfile: host lb1 filename /var/lib/amanda/.ssh/known_hosts debug3: check_host_in_hostfile: match line 1 debug3: check_host_in_hostfile: host 192.168.1.23 filename /var/lib/amanda/.ssh/known_hosts debug3: check_host_in_hostfile: host 192.168.1.23 filename /var/lib/amanda/.ssh/known_hosts debug3: check_host_in_hostfile: match line 1 debug1: Host 'lb1' is known and matches the RSA host key. debug1: Found key in /var/lib/amanda/.ssh/known_hosts:1 debug2: bits set: 499/1024 debug1: ssh_rsa_verify: signature correct debug2: kex_derive_keys debug2: set_newkeys: mode 1 debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug2: set_newkeys: mode 0 debug1: SSH2_MSG_NEWKEYS received debug1: Roaming not allowed by server debug1: SSH2_MSG_SERVICE_REQUEST sent debug2: service_accept: ssh-userauth debug1: SSH2_MSG_SERVICE_ACCEPT received debug2: key: /var/lib/amanda/.ssh/id_rsa ((nil)) debug2: key: /var/lib/amanda/.ssh/id_dsa ((nil)) debug1: Authentications that can continue: publickey,password,keyboard-interactive debug3: start over, passed a different list publickey,password,keyboard-interactive debug3: preferred publickey,keyboard-interactive,password debug3: authmethod_lookup publickey debug3: remaining preferred: keyboard-interactive,password debug3: authmethod_is_enabled publickey debug1: Next authentication method: publickey debug1: Trying private key: /var/lib/amanda/.ssh/id_rsa debug3: no such identity: /var/lib/amanda/.ssh/id_rsa debug1: Trying private key: /var/lib/amanda/.ssh/id_dsa debug3: no such identity: /var/lib/amanda/.ssh/id_dsa debug2: we did not send a packet, disable method debug3: authmethod_lookup keyboard-interactive debug3: remaining preferred: password debug3: authmethod_is_enabled keyboard-interactive debug1: Next authentication method: keyboard-interactive debug2: userauth_kbdint debug2: we sent a keyboard-interactive packet, wait for reply debug1: Authentications that can continue: publickey,password,keyboard-interactive debug3: userauth_kbdint: disable: no info_req_seen debug2: we did not send a packet, disable method debug3: authmethod_lookup password debug3: remaining preferred: debug3: authmethod_is_enabled password debug1: Next authentication method: password amandabackup@lb1's password: debug3: packet_send2: adding 48 (len 67 padlen 13 extra_pad 64) debug2: we sent a password packet, wait for reply debug1: Authentication succeeded (password). Authenticated to lb1 ([192.168.1.23]:22). debug1: channel 0: new [client-session] debug3: ssh_session2_open: channel_new: 0 debug2: channel 0: send open debug1: Requesting no-more-sessions(a)openssh.com debug1: Entering interactive session. debug2: callback start debug2: client_session2_setup: id 0 debug2: channel 0: request pty-req confirm 1 debug2: channel 0: request shell confirm 1 debug2: fd 3 setting TCP_NODELAY debug2: callback done debug2: channel 0: open confirm rwindow 0 rmax 32768 debug2: channel_input_status_confirm: type 99 id 0 debug2: PTY allocation request accepted on channel 0 debug2: channel 0: rcvd adjust 2097152 debug2: channel_input_status_confirm: type 99 id 0 debug2: shell request accepted on channel 0 Last login: Fri Dec 31 11:02:30 2010 from 192.168.1.40 ######################################################### # SUMMITNJHOME.COM # # TITLE: LB1 BOX # # HOST: VIRTCENT01 # # LOCATION: SUMMIT BASEMENT # ######################################################### -sh-3.2$ bash [amandabackup@VIRTCENT01 ~]$ thanks for your help and the CentOS community has done wonderful things to help me with my setups over the past year. Here's to a happy / healthy 2011!! -- GPG me!! gpg --keyserver pgp.mit.edu --recv-keys F186197B

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mount.cifs with kerberos
by Adam Wead 03 Jan '11

03 Jan '11

Hi all, Has anyone been able to mount windows shares with mount.cifs using kerberos credentials? I can get a kerberos ticket at login or use kinit and then connect via smbclient: > kinit username > smbclient -k \\server\share I'd like to be able to mount the share like this: > mount.cifs //server/share /mnt -o user=username,sec=krb5 The above command returns: mount error 95 = Operation not supported Using sec=krb5i returns: mount error 126 = Required key not available Some of the stuff I read said that mount.cifs doesn't support kerberos yet, but that wasn't recent.

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centos6 filesystem size limit
by Robert Arkiletian 03 Jan '11

03 Jan '11

I just read the rhel6 filesystem size limit. http://www.redhat.com/rhel/compare/ It says 16TB limit for ext4 (same as ext3)?!?! I thought ext4 was supposed to support 1EB ( ~ 1 million TB) limit. That was one of the main advantages of rhel6. After a little more digging all I found was that the user space formatting tools (mkfs.ext4) only support 32bit filesystems (not 48bits). I'm surprised about this, I thought people would be waiting for >16TB support in rhel6. Does anyone know if this is going to change in point releases of rhel/centos6? Happy New Year -- Robert Arkiletian Eric Hamber Secondary, Vancouver, Canada

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variable in loop
by S Mathias 03 Jan '11

03 Jan '11

$ ASDF=hello; a=0; a=$(( 70 - $(echo $ASDF | awk '{print length}') )); echo "$a $ASDF"$(for i in {1..$a}; do printf "."; done) 65 hello. $ Why doesn't it print: 65 hello................................................................. What am i missing?

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Re: [CentOS] Intel NIC
by Gerhard Schneider 03 Jan '11

03 Jan '11

The problem with VMWare Server is that it is a discontinued product for longer time and they don't provide us with a suitable replacement. So our institute had to switch to VMWare workstation that can be run as a server, too. I'm running CentOS 5.5 as the Host OS and 5.5 and RHEL6beta as guests. We didn't try out RHEL6 (waiting for CentOS6 :-) GS -- Gerhard Schneider Institute of Lightweight Design and e-Mail: gs(a)ilsb.tuwien.ac.at Structural Biomechanics (E317) Tel.: +43 664 60 588 3171 Vienna University of Technology / Austria Fax: +43 1 58801 31799 A-1040 Wien, Gusshausstrasse 27-29 http://www.ilsb.tuwien.ac.at/~gs/

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No ices for icecast ?
by Keith Roberts 02 Jan '11

02 Jan '11

Hi, and a Happy New Year to everyone. I have followed this tutorial to install icecast on Centos 5.5, http://www.howtoforge.com/linux_webradio_with_icecast2_ices2 but cannot find the ices package for sending the audio to icecast for it to stream. I would like to send the data as mp3, if there is a suitable program to do this. Has anyone on the list done this on Centos? Kind Regards, Keith Roberts ----------------------------------------------------------------- Websites: http://www.karsites.net http://www.php-debuggers.net http://www.raised-from-the-dead.org.uk All email addresses are challenge-response protected with TMDA [http://tmda.net] -----------------------------------------------------------------

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GRUB Boot Menu
by Keith Roberts 02 Jan '11

02 Jan '11

On Centos 5.5, is there a way to skip the countdown screen 'booting xyz OS in x seconds', and make GRUB show the menu of all the bootable OSes, and just stop there? Kind Regards, Keith Roberts ----------------------------------------------------------------- Websites: http://www.karsites.net http://www.php-debuggers.net http://www.raised-from-the-dead.org.uk All email addresses are challenge-response protected with TMDA [http://tmda.net] -----------------------------------------------------------------

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Re: [CentOS] CentOS Digest, Vol 71, Issue 28
by portablemanagement＠yahoo.com 02 Jan '11

02 Jan '11

------Original Message------ From: centos-request(a)centos.org Sender: centos-bounces(a)centos.org To: centos(a)centos.org ReplyTo: centos(a)centos.org Subject: CentOS Digest, Vol 71, Issue 28 Sent: Dec 28, 2010 12:00 PM Send CentOS mailing list submissions to centos(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos or, via email, send a message with subject or body 'help' to centos-request(a)centos.org You can reach the person managing the list at centos-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS digest..." Today's Topics: 1. Re: what process is sending this packet? (Meenoo Shivdasani) 2. Re: tomcat errors starting after upgrade from cent5.3 to 5.5 (/rebuild-jar-repository: error: Could not find) (Frank Even) 3. Re: what process is sending this packet? (Eduardo Grosclaude) 4. logrotate.d - reload vs restart (Frank Cox) 5. Re: query regarding virtual machine space increase (benedict dcunha) 6. Re: logrotate.d - reload vs restart (Bill Campbell) 7. Problems with motherboard support? INTEL DP43BF (robert mena) 8. Re: logrotate.d - reload vs restart (Frank Cox) 9. Re: Problems with motherboard support? INTEL DP43BF (Bart Schaefer) 10. Re: Problems with motherboard support? INTEL DP43BF (John R Pierce) 11. Re: logrotate.d - reload vs restart (Nico Kadel-Garcia) 12. Re: Problems with motherboard support? INTEL DP43BF (John Plemons) 13. Re: logrotate.d - reload vs restart (Frank Cox) 14. Re: logrotate.d - reload vs restart (Bill Campbell) 15. E1000 eth1 link flakiness - causes?? (E Westphal) 16. Re: E1000 eth1 link flakiness - causes?? (Ryan Wagoner) 17. Re: E1000 eth1 link flakiness - causes?? (E Westphal) 18. Re: E1000 eth1 link flakiness - causes?? (fred smith) 19. Re: E1000 eth1 link flakiness - causes?? (Frank Cox) 20. Re: E1000 eth1 link flakiness - causes?? (m.roth(a)5-cent.us) 21. Re: E1000 eth1 link flakiness - causes?? (E Westphal) 22. donations (Jerry Geis) 23. Re: E1000 eth1 link flakiness - causes?? (Nataraj) 24. Fixing filenames with directories with spaces in the names (Craig White) 25. Re: Problems with motherboard support? INTEL DP43BF (robert mena) 26. Re: Problems with motherboard support? INTEL DP43BF (John R Pierce) 27. Re: Fixing filenames with directories with spaces in the names (Eduardo Grosclaude) 28. Re: Fixing filenames with directories with spaces in the names (John Doe) 29. Re: Problems with motherboard support? INTEL DP43BF (robert mena) 30. Re: Problems with motherboard support? INTEL DP43BF (robert mena) 31. Dual or quad fast ethernet NICs (that work with CentOS) (robert mena) 32. Re: Problems with motherboard support? INTEL DP43BF (Ryan Wagoner) 33. Re: Dual or quad fast ethernet NICs (that work with CentOS) (David Sommerseth) 34. Re: 2 Ethernet cabling question (Bowie Bailey) 35. Server unresponsive until reboot, memory exhausted (james) 36. Kickstart Network Configuration Issues (Daniel Theisen) 37. Re: logrotate.d - reload vs restart (Robert Nichols) 38. Re: logrotate.d - reload vs restart (Robert Nichols) 39. Re: Kickstart Network Configuration Issues (Nico Kadel-Garcia) 40. Re: logrotate.d - reload vs restart (Frank Cox) 41. Re: Server unresponsive until reboot, memory exhausted (Nico Kadel-Garcia) 42. Hello (portablemanagement(a)yahoo.com) ---------------------------------------------------------------------- Message: 1 Date: Mon, 27 Dec 2010 12:06:57 -0500 From: Meenoo Shivdasani <meenoo(a)gmail.com> Subject: Re: [CentOS] what process is sending this packet? To: CentOS mailing list <centos(a)centos.org> Message-ID: <AANLkTik_N79NoBP+qdt=XLkZyCfH+VTjviHVA7Mtv+XP(a)mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1 On Mon, Dec 27, 2010 at 9:30 AM, S Mathias <smathias1972(a)yahoo.com> wrote: > Dec 27 14:11:46 a kernel: [ 6336.992320] O_D_LOG: IN= OUT=lo SRC=127.0.0.1 DST=127.0.0.1 LEN=60 > TOS=0x00 PREC=0x00 TTL=64 ID=61533 DF PROTO=TCP SPT=37263 DPT=25 WINDOW=32792 > RES=0x00 SYN URGP=0 > but where or how could i ------Original Message Truncated------

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Discuss January 2011