Discuss August 2010

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250 participants
191 discussions

Re: [CentOS] Wrong disk size problem.
by Semih Gokalp 18 Aug '10

18 Aug '10

Thanks all. I will check and read this option. > On 18 August 2010 10:37, Laurent Wandrebeck <l.wandrebeck(a)gmail.com> wrote: >> On Wed, 18 Aug 2010 10:18:39 +0300 >> Semih Gokalp <semihgokalp(a)gmail.com> wrote: >> >>> Hi,we have Centos 5.4 server and according to me we have strange problem. >>> >>> Disk size and other indormation like below.Normally,md2 partition >>> should have 46GB free disk size but available value is zero.Why it >>> show zero ? If you help me,I will be happy. >>> >> <snip> >> Answer is probably in reserved blocks for root. >> See tune2fs -m option. >> HTH, >> -- >> Laurent >> > > > > -- > Iyi calismalar.Basarilar... > Semih Gokalp > Istanbul/Turkiye > -- Iyi calismalar.Basarilar... Semih Gokalp Istanbul/Turkiye

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Wrong disk size problem.
by Semih Gokalp 18 Aug '10

18 Aug '10

Hi,we have Centos 5.4 server and according to me we have strange problem. Disk size and other indormation like below.Normally,md2 partition should have 46GB free disk size but available value is zero.Why it show zero ? If you help me,I will be happy. df -h Filesystem Size Used Avail Use% Mounted on /dev/md1 19G 2.1G 16G 12% / /dev/md2 880G 834G 0 100% /data /dev/md0 243M 24M 208M 11% /boot tmpfs 2.0G 0 2.0G 0% /dev/shm df -k Filesystem 1K-blocks Used Available Use% Mounted on /dev/md1 19840804 2215556 16601112 12% / /dev/md2 922019416 874435436 0 100% /data /dev/md0 248783 23904 212035 11% /boot tmpfs 2057656 0 2057656 0% /dev/shm df -i Filesystem Inodes IUsed IFree IUse% Mounted on /dev/md1 5124480 44654 5079826 1% / /dev/md2 237961216 42010 237919201 1% /data /dev/md0 64256 45 64211 1% /boot tmpfs 514414 1 514413 1% /dev/shm mdadm --detail /dev/md2 /dev/md2: Version : 0.90 Creation Time : Mon Jun 8 18:14:31 2009 Raid Level : raid1 Array Size : 951827072 (907.73 GiB 974.67 GB) Used Dev Size : 951827072 (907.73 GiB 974.67 GB) Raid Devices : 2 Total Devices : 2 Preferred Minor : 2 Persistence : Superblock is persistent Update Time : Wed Aug 18 10:01:27 2010 State : active Active Devices : 2 Working Devices : 2 Failed Devices : 0 Spare Devices : 0 UUID : a0bf9972:b46617a2:bf37d07b:5d34b930 Events : 0.51 Number Major Minor RaidDevice State 0 8 2 0 active sync /dev/sda2 1 8 18 1 active sync /dev/sdb2

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how to use dhcpd and bind with windows 2008 ad domain model?
by Eero Volotinen 18 Aug '10

18 Aug '10

This might be a bit offtopic, but: How to run bind and dhcpd as slave on windows 2008 ad domain. Is it possible? -- Eero, RHCE

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Date drift and ntpd
by Jason Pyeron 18 Aug '10

18 Aug '10

We have a local time server and all of our machines are pointed at it for the time. How can the clock drift by a day and a half? [root@devserver21 ~]# date Fri Aug 13 14:43:29 EDT 2010 [root@devserver21 ~]# rdate -s 192.168.1.67 [root@devserver21 ~]# date Thu Aug 12 07:02:39 EDT 2010 [root@devserver21 ~]# cat /etc/ntp.conf | grep -v ^# | grep -v ^$ restrict default nomodify notrap noquery restrict 127.0.0.1 server 192.168.1.67 server 192.168.1.66 server 192.168.1.65 server 127.127.1.0 # local clock fudge 127.127.1.0 stratum 10 driftfile /var/lib/ntp/drift broadcastdelay 0.008 keys /etc/ntp/keys -- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- - - - Jason Pyeron PD Inc. http://www.pdinc.us - - Principal Consultant 10 West 24th Street #100 - - +1 (443) 269-1555 x333 Baltimore, Maryland 21218 - - - -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- This message is copyright PD Inc, subject to license 20080407P00.

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apache rewrite
by Craig White 17 Aug '10

17 Aug '10

Is there some easy way to rewrite just the base URL to another URL but leave all other URL's unmolested? i.e. http://www.example.com = rewrite to another URL http://www.example.com/files = deliver from the assigned subdirectory obviously this... Redirect / http://www.other_url.com redirects everything and I don't want /files to be redirected Craig -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.

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kernel: bnx2i: iSCSI not supported, dev=ethX
by David 17 Aug '10

17 Aug '10

Running CentOS 5.5 x86_64 on Dell R710 boxes. I have the server(s) configured for bonding/vlan and will be using iscsi to a SAN. I am in the pre-deployment stage so I am just setting up the basic cookie cutter configurations so I haven't initiated the iscsi connection to a SAN yet. While going through the error messages I noticed this error: kernel: bnx2i: iSCSI not supported, dev=ethX. First time I have seen this error while configuring previous Dell servers, though I noticed most of my older boxes are using the tg3 module for the onboard NIC's. Has anyone run into this error message and if so does it means what it says....iSCSI not supported for the target device? Thanks, David

3 2

When does %POST kick in in Kickstart?
by Jacob Brown 17 Aug '10

17 Aug '10

Okay, this is really simple but because Google has deteriorated in quality over time, it's getting really hard to find straight forward answers. Very simple; when does the %POST section of the Kickstart file kick in during the install process? Before or after the first reboot? Hopefully this gets picked up easy by the spiders...

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Mark facility in CentOS
by Daniel Bareiro 17 Aug '10

17 Aug '10

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi all! This is my first message to the list. Some time ago I'm user of Debian GNU/Linux and recently I also started to use CentOS GNU/Linux. Does anyone know how to enable the mark facility on CentOS? According to what I was seeing, unlike Debian GNU/Linux, which uses rsyslog, CentOS still uses the traditional syslog where the parameters to be passed to the daemon are taken from /etc/sysconfig/syslog and the default configuration is: SYSLOGD_OPTIONS="-m 0" So, no time stamps are added. As I watched in the man pages for syslog, I tried removing the zero assuming it would take the default of 20 minutes, but I get a error message suggesting to put a numerical value following the "-m". I tried also with "-m 20" and nothing happens. Same result if, besides that, I put in the /etc/syslog.conf: *.info;mail.none;authpriv.none;cron.none,mark.* /var/log/messages ^^^^^^ aggregate Any idea what might be missing? Thanks in advance for your reply. Regards, Daniel -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEARECAAYFAkxomwUACgkQZpa/GxTmHTfQvQCgi2LlLgwDbBlHBrx7NEakqkwk 2SsAniEylf0DvoWCKVvZf9xpdc2m2R9j =eOlp -----END PGP SIGNATURE-----

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how many folks are *seriously* using ACLs?
by Robert P. J. Day 16 Aug '10

16 Aug '10

i'm just curious -- how many people here are using ACLs as a regular and significant part of their sys admin? rday -- ======================================================================== Robert P. J. Day Waterloo, Ontario, CANADA Top-notch, inexpensive online Linux/OSS/kernel courses http://crashcourse.ca Twitter: http://twitter.com/rpjday LinkedIn: http://ca.linkedin.com/in/rpjday ========================================================================

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best ways to do mysql backup
by Agnello George 16 Aug '10

16 Aug '10

we have multiple servers approx 10 and each has about 100 GB of data in the /var/lib/mysql dir , excluding tar , mysqldump and replication how do we take backup for these databases on to a remote machine and store them datewise , ( the remote machine is a 2TB HDD ) currently tar is not feasible as the data is too huge and the same goes with mysqldump suggestion will be of great help -- Regards Agnello D'souza

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Discuss August 2010