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how to create label fo swap space
by mcclnx mcc 16 May '07

16 May '07

I just add a partition /dev/sdb3 and use "mkswap /dev/sdb3" to make it swap space. How can I label the /dev/sdb3 like "SWAP-sdb3"? what I want is put on /etc/fstab as entry like: LABEL=SWAP-sdb2 swap swap defaults 0 0 LABEL=SWAP-sdb3 swap swap defaults 0 0 Thanks ____________________________________________________________________________________ 設定安全圖章，保護您的 Yahoo!奇摩帳號不被駭客盜用！ http://tw.info.yahoo.com/seal/index.html

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seqfault during kernel recompile...
by dcw 16 May '07

16 May '07

I am using CentOS 5 with all updates installed. I have 2 isa ne2000 network cards in my computer. From running make xconfig both isa and ne2000 support needs to be compiled into the kernel instead of making them modules. Is this correct? During the recompile modsign.sh failed with a segfault. In researching, I found an email posted on Redhat that recommended setting the signmodules to 0 in the SPEC file. Before I did this, I wanted to verify that this is an acceptable solution to the problem. Any help will be appreciated, David

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Re: [CentOS] Make Raid1 2nd disk bootable?
by David G. Miller 16 May '07

16 May '07

Les Mikesell <lesmikesell(a)gmail.com> wrote: > Grub isn't so much the issue here as the difference in the rescue mode > boot. I'm used to being able to boot the CD, chroot into the existing > system and have pretty much normal access regardless of what was broken. > Now that the system /dev directory is basically empty, things don't work > when you have to mount the partitions manually. Is there a step to > set up devices so the chroot will work? Hey Les - I haven't tried this but were you looking at /dev *after* you did the chroot? It sort of makes sense to me that the running kernel would only populate it's /dev, not the chrooted /dev. Rescue mounts at least the root partition under /mnt/sys (or something like that). Before you chroot, you should probably also mount any other partitions you want under /mnt/sys and then chroot. Cheers, Dave -- Politics, n. Strife of interests masquerading as a contest of principles. -- Ambrose Bierce

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yum groupinstall "Development Tools" overkill
by Niki Kovacs 16 May '07

16 May '07

Hi, The subject says it all. I'm currently fiddling with CentOS to become comfortable with it. Starting from a minimal system (everything unchecked during install), I wanted to have a reasonable set of build tools. Roughly the equivalent of Debian's 'apt-get install build-essential'. I tried yum groupinstall "Development Tools", which resulted in a total of 108 MB of packages... including the whole load of GNOME libs. Gasp! Is there any comprehensive list (in some forum or some WiKi) for everything necessary to build apps from source and/or build source RPMS? Cheers, Niki Kovacs -- Dyslexics have more fnu.

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redhat package
by Mark Quitoriano 16 May '07

16 May '07

what would you get from buying from redhat that you will not get if you download it from centos?

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FW: problem in Authentication.
by Rajeev R Veedu 16 May '07

16 May '07

I have a setup with Cyrus Imap and SASL authentication. + Postfix I am getting following error on maillog. May 16 11:40:38 mail pop3[7641]: badlogin: [192.168.1.68] plaintext matthew_sullivan SASL(-13): authentication failure: checkpass failed May 16 11:40:38 mail pop3[7640]: badlogin: [192.168.1.69] plaintext duncan SASL(-13): authentication failure: checkpass failed May 16 11:52:04 mail pop3[7713]: badlogin: [192.168.1.114] plaintext s.kim SASL(-13): authentication failure: checkpass failed May 16 11:52:04 mail pop3[7650]: badlogin: [192.168.1.52] plaintext sajiv SASL(-13): authentication failure: checkpass failed The system was up about 1 year and I never faced this problem. Also I haven't changed any settings in the configuration. Since yesterday I am getting this RANDOM authentication failure and would appreciate if you could help me, Regards Rajeev My configuration is as below:- [root@mail ~]# rpm -qa |grep cyrus cyrus-sasl-md5-2.1.19-5.EL4 cyrus-sasl-devel-2.1.19-5.EL4 cyrus-imapd-utils-2.2.12-3.RHEL4.1 cyrus-sasl-2.1.19-5.EL4 cyrus-imapd-2.2.12-3.RHEL4.1 cyrus-sasl-plain-2.1.19-5.EL4 /etc/saslauthd.conf is as below: [root@mail ~]# cat /etc/saslauthd.conf ldap_servers: ldap://127.0.0.1:389/ #ldap_bind_dn: cn=admin,dc=DOMAIN,dc=com #ldap_password: secret ldap_search_base: ou=Users,ou=OxObjects,dc=DOMAIN,dc=com #ldap_default_realm: DOMAIN.com #ldap_use_sasl: yes ldap_auth_mech: PLAIN IMAP CONFIG IS cat /etc/imapd.conf configdirectory: /var/lib/imap defaultpartition: default partition-default: /var/spool/imap unixhierarchysep: yes domain_as_prefix: 1 lmtp_downcase_rcpt: yes admins: mailadmin cyrus quotawarn: 90 lmtp_overquota_perm_failure: no virtdomains: userid defaultdomain: Domain.com sendmail: /usr/sbin/sendmail.postfix allowanonymouslogin: no autocreatequota: 1024000 createonpost: no autocreateinboxfolders: Sent Items|Spam|Draft|Trash autosubscribeinboxfolders: Sent Items|Spam|Draft|Trash autosubscribesharedfolders: public umask: 077 sieveusehomedir: false sievedir: /var/spool/sieve hashimapspool: true allowplaintext: yes sasl_pwcheck_method: saslauthd sasl_mech_list: PLAIN NTLM lmtpsocket: /var/run/imap/socket/lmtp lmtpunix:/var/run/imap/socket/lmtp idlesocket: /var/run/imap/socket/idle notifysocket: /var/run/imap/socket/notify

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OT: InstantOgo and Zimbra comparison in Centos
by Erick Perez 16 May '07

16 May '07

Does anyone have a link for a recent comparison between groupware servers? It's for a 1000 user deployment and I was looking at instantogo and zimbra. thanks, -- ------------------------------------------------------------ Erick Perez Panama Sistemas Integradores de Telefonia IP y Soluciones Para Centros de Datos Panama, Republica de Panama Cel Panama. +(507) 6694-4780 ------------------------------------------------------------

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solved cups error 426 was cups error 426 when accessing admin functions
by Dave 16 May '07

16 May '07

Hi, Found a howto doc on my error 426 issue with cups. The fix was to disable encryption in cups 1.2.4 add DefaultEncryption Never to cupsd.conf and that did it. I'd like to have encryption on the admin area, but for home use i'll take it. On another subject does anyone know if the Cups book is available as a pdf file? Thanks. Dave.

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Re: [CentOS] Re: Anaconda doesn't support raid10
by Mailing Lists 16 May '07

16 May '07

>Message: 67 >Date: Fri, 11 May 2007 11:40:25 +0800 >From: Feizhou <feizhou(a)graffiti.net> >Subject: Re: [CentOS] Re: Anaconda doesn't support raid10 >To: CentOS mailing list <centos(a)centos.org> >Message-ID: <4643E5A9.3030302(a)graffiti.net> Feizhou wrote: <snip> >The SCSI drive: >Spindle Speed 15000 rpm >Average latency 2.0 msec >Random read seek time 3.50 msec >Random write seek time 4.0 msec >The SATA drive: >Spindle Speed 7200 rpm >Native Command Queuing Y >Average latency 4.16 msec >Random read seek time <8.5 msec >Random write seek time <10.0 msec >Maximum interface transfer rate 300 Mbytes/sec >Compare to a 10K scsi drive: >Spindle Speed 10,000 rpm >Sustained data transfer rate 80 Mbytes/sec. >Average latency 3.0 msec >Random read seek time 4.9 msec >Random write seek time 5.4 msec >Maximum interface transfer rate 320 Mbytes/sec The above specifications are about Performance. If maximum Reliability is the goal, look at the MTBF in the specifications. If the Design Engineers have done their job, and the Manufacturing Engineers maintain high Quality Control, the result should be a quality component. As has been pointed out in this thread, RAID is *not* a substitute for backups. RAID is intended to keep the box up and running. Valuable data should always be stored off site, in removable drives, or via the WAN. Lanny

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Introduction
by Niki Kovacs 16 May '07

16 May '07

Hi, I'm a 40-year old sysadmin living in Montpezat, a small village in the sunny south of France. I'm a Linux user since 2001, when I made my first steps on a 486 with a Slackware 7.1 CD. I've tried maybe two dozen distributions, but I've stayed mostly with Slackware and Debian. Since last summer, I work as a sysadmin for our "Communauté de Communes", a group of 16 villages, where I care for computers and installs of town halls and public libraries. I've configured a LAMP server in a datacenter, running Debian Sarge, and all clients in town halls and libraries are running Debian Etch, a highly stripped-down and personalized GNOME desktop with just a handful of apps needed for work. I've fiddled with CentOS before, around when 4.3 came out, and it was a close second in the choice of OS here. Had 5.0 been out at the time, I would gladly have chosen it. I've discussed the subject with Daniel de Kok, a fellow ex-Slacker and friend, and he's told me so many good things about the latest release of CentOS that I'm now seriously considering replacing my Debian installs with CentOS. I have an armada of PCs that i can fiddle with, and I've currently installed two different versions of CentOS, one as minimal as I could, one with a default GNOME desktop. On my personal laptop I have the Red Hat Deployment Guide, as well as some more CentOS-specific docs. I have a list of 40 or so items that I will have to take care of in the following days or weeks, maybe months: "minimal install?", "yum?", "configure wireless rt2500, rt61, ipw3945?", "find extra repos for multimedia stuff?", etcetera. I just went to take a peek at IRC, and "Arrfab" told me the main communication channel for CentOS was this mailing list. Cheers from France, Niki Kovacs -- Dyslexics have more fnu.

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