[CentOS] Traffic shaping problem
Hi all, I tried last week to do traffic shaping on a production system, object of the exercise was simply to throttle the outgoing traffic. tc qdisc add dev eth4 root tbf rate 300mbit burst 300kb latency 50ms But the server became rather instable, crashing repeatedly without anything in the logs. Can anybody spot glaring mistakes in the tc command above, or tell me what I should have done instead? with kind regards, Bent Terp ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Multiple Virtual SSL sites with Apache httpd on CentOS 5
On Mon, Feb 4, 2013 at 5:02 AM, Harold Pritchett har...@uga.edu wrote: I know that the upstream provider often provides services added to new releases as updates to the current release. My question is how can I get multiple secure web sites on a single IP address and port? Has the upstream provider added this function to the current server? I've found this rather straightforward to do, as long as all sites are covered by the same certificate. Remember that the encrypted tunnel is negotiated and activated prior to the request being sent - so when the certificate and keys are being managed, the vhost is as yet unknown. Having all sites covered by one certificate makes that problem go away :-) So my advice is to use a wildcard domain covering *.mycompany.com - but remember that mycompany.com does not match *.mycompany.com, so you'll need a redirect to www.mycompany.com BR Bent PS Just realised that we did this on nginx not apache, but I really don't expect that to be a problem. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] load balancer recommendation
If you're talking about web traffic, I'd recommend Varnish: cache and load-balancer in one application. BR Bent On Fri, Sep 28, 2012 at 4:45 PM, Boris Epstein borepst...@gmail.com wrote: Hello all, If I were looking for a load balancer to run on a Linux - specifically, CentOS - machine - what would you recommend? Thanks. Boris. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] 11TB ext4 filesystem - filesystem alternatives?
On Thu, Sep 27, 2012 at 10:10 AM, Rafał Radecki radecki.ra...@gmail.comwrote: Which other mature and stable filesystem can you recommend for such large storage? I recommend XFS BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] NTOP alternatives?
On Wed, Aug 29, 2012 at 10:59 AM, Morgan Cox morganco...@gmail.com wrote: Have you tried Darkstat - it's a nice very very lightweight alternative http://unix4lyfe.org/darkstat/ Hi. Darkstat worked like a charm on my laptop yesterday, for traffic to/from the laptop. So this morning I've been trying to make it work in the serverroom. I've set up a monitoring port on the switch and mirrored a vlan to it. To this monitoring switch port, I've connected the second nic on a spare server. But I can't make it see the traffic: *Running for* 38 secs*, since* 2012-08-30 08:27:12 UTC+*.* *Total* 0 *bytes, in* 0 *packets.* (2,512,454 *captured,* 2,494,741 * dropped) *And so the graphs are blank :-( I've tried several incantations to no avail: usr/local/sbin/darkstat -i eth1 -p 5001 --no-daemon --no-dns -l 0.0.0.0/0.0.0.0 --local-only /usr/local/sbin/darkstat -i eth1 -p 5001 --no-daemon --no-dns -l 0.0.0.0/0.0.0.0 /usr/local/sbin/darkstat -i eth1 -p 5001 --no-daemon --no-dns I've even tried assigning a bogus ip address on the monitored subnet to eth1, but that doesn't help either. Any suggestions? with kind regards, Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] NTOP alternatives?
On Wed, Aug 29, 2012 at 9:52 AM, Rafał Radecki radecki.ra...@gmail.comwrote: After some search I think I will use ntop ;) Having lurked in this thread, I think I'll start using ntop as well. Did a quick test today on my laptop and got it up and running in no time. But to answer the question people at the office keeps asking me, I need to dump Network Load data with a 1-second granularity. Does anoybody know how to do that? Basic question is, do we have large fluctuations on our internet connection usage. Thanks in advance! with kind regards, Bent Terp ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] NTOP alternatives?
On Thu, Aug 30, 2012 at 4:32 AM, Indunil Jayasooriya induni...@gmail.comwrote: Have you tried Darkstat - it's a nice very very lightweight alternative http://unix4lyfe.org/darkstat/ I installed it on Centos 6.2 (64 bit VM). It is pretty light. I would like to know on which host should I install it on LAN? If you want it to be able to see all traffic on the local network, then you have to make sure all the traffic actually shows up on that interface - which is not usually the case on a switched network :-) My plan for today is to install darkstar on a separate physical host with dual nic's, and tell the switch to copy all traffic on the VLAN's that I wish to monitor to one port which will then be connected to one of the NIC's on the darkstar host. This feature is called port mirroring on ProCurve switches but most professional switches have similar features, although they might be called differently. gateway Machine, proxy Server or any host on that LAN? Alternatively, if you have a gateway machine that all traffic passes through, this would also be a good candidate unless traffic is so high that the additional load from darkstat impacts performance - or any bug in darkstat that just might interrupt regular operations. BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] 3TB usb drive won't mount
On Thu, Mar 22, 2012 at 4:05 PM, m.r...@5-cent.us wrote: In short, either partition the drive, or rebuild the drive with a GPT. Yes, I'm back :-D Finally had a chance to try this out, and it works totally on my Fedora16 laptop. But not on the EL6.2 server Mar 26 16:36:00 gpfsnode8 kernel: usb 1-1: new high speed USB device using ehci_hcd and address 8 Mar 26 16:36:00 gpfsnode8 kernel: usb 1-1: New USB device found, idVendor=1058, idProduct=1140 Mar 26 16:36:00 gpfsnode8 kernel: usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=5 Mar 26 16:36:00 gpfsnode8 kernel: usb 1-1: Product: My Book 1140 Mar 26 16:36:00 gpfsnode8 kernel: usb 1-1: Manufacturer: Western Digital Mar 26 16:36:00 gpfsnode8 kernel: usb 1-1: SerialNumber: 574341575A31313831373338 Mar 26 16:36:00 gpfsnode8 kernel: usb 1-1: configuration #1 chosen from 1 choice Mar 26 16:36:00 gpfsnode8 kernel: scsi13 : SCSI emulation for USB Mass Storage devices Mar 26 16:36:01 gpfsnode8 kernel: scsi 13:0:0:0: Direct-Access WD My Book 1140 1003 PQ: 0 ANSI: 6 Mar 26 16:36:01 gpfsnode8 kernel: scsi 13:0:0:1: Enclosure WD SES Device 1003 PQ: 0 ANSI: 6 Mar 26 16:36:01 gpfsnode8 kernel: sd 13:0:0:0: Attached scsi generic sg0 type 0 Mar 26 16:36:01 gpfsnode8 kernel: ses 13:0:0:1: Attached Enclosure device Mar 26 16:36:01 gpfsnode8 kernel: ses 13:0:0:1: Attached scsi generic sg1 type 13 Mar 26 16:36:09 gpfsnode8 kernel: ses 13:0:0:1: Failed to get diagnostic page 0x802 Mar 26 16:36:09 gpfsnode8 kernel: ses 13:0:0:1: Failed to bind enclosure -19 Mar 26 16:36:17 gpfsnode8 kernel: sd 13:0:0:0: [sda] Spinning up diskready Mar 26 16:36:17 gpfsnode8 kernel: sd 13:0:0:0: [sda] 732558336 4096-byte logical blocks: (3.00 TB/2.72 TiB) Mar 26 16:36:17 gpfsnode8 kernel: sd 13:0:0:0: [sda] Write Protect is off Mar 26 16:36:17 gpfsnode8 kernel: sd 13:0:0:0: [sda] Assuming drive cache: write through Mar 26 16:36:17 gpfsnode8 kernel: sd 13:0:0:0: [sda] 732558336 4096-byte logical blocks: (3.00 TB/2.72 TiB) Mar 26 16:36:17 gpfsnode8 kernel: sd 13:0:0:0: [sda] Assuming drive cache: write through Mar 26 16:36:17 gpfsnode8 kernel: sda: sda1 Mar 26 16:36:17 gpfsnode8 kernel: sd 13:0:0:0: [sda] 732558336 4096-byte logical blocks: (3.00 TB/2.72 TiB) Mar 26 16:36:17 gpfsnode8 kernel: sd 13:0:0:0: [sda] Assuming drive cache: write through Mar 26 16:36:17 gpfsnode8 kernel: sd 13:0:0:0: [sda] Attached SCSI disk Mar 26 16:36:17 gpfsnode8 multipathd: sda: add path (uevent) [root@gpfsnode8 ~]# parted /dev/sda print Warning: Device /dev/sda has a logical sector size of 4096. Not all parts of GNU Parted support this at the moment, and the working code is HIGHLY EXPERIMENTAL. Model: WD My Book 1140 (scsi) Disk /dev/sda: 3001GB Sector size (logical/physical): 4096B/4096B Partition Table: gpt Number Start End SizeFile system Name Flags 1 1049kB 3001GB 3001GB primary [root@gpfsnode8 ~]# mount.ntfs-3g /dev/sda1 /mnt/disk2 ntfs-3g: Failed to access volume '/dev/sda1': No such file or directory ntfs-3g 2010.10.2 integrated FUSE 27 - Third Generation NTFS Driver Configuration type 1, XATTRS are on, POSIX ACLS are off Copyright (C) 2005-2007 Yura Pakhuchiy Copyright (C) 2006-2009 Szabolcs Szakacsits Copyright (C) 2007-2010 Jean-Pierre Andre Copyright (C) 2009 Erik Larsson Usage:ntfs-3g [-o option[,...]] device|image_file mount_point Options: ro (read-only mount), remove_hiberfile, uid=, gid=, umask=, fmask=, dmask=, streams_interface=. Please see the details in the manual (type: man ntfs-3g). Example: ntfs-3g /dev/sda1 /mnt/windows Ntfs-3g news, support and information: http://ntfs-3g.org [root@gpfsnode8 ~]# ls -l /dev/sda1 ls: cannot access /dev/sda1: No such file or directory [root@gpfsnode8 ~]# And this I just can't get my head around, why is /dev/sda1 not created? /dev/sda shows up as expected and the kernel even recognizes that there is a sda1 partition but the device entry isn't created. Anybody able to help me here? BR Bent mark ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] 3TB usb drive won't mount
On Thu, Mar 22, 2012 at 4:05 PM, m.r...@5-cent.us wrote: There's a problem here: MSDOS - that would be an MBR - can only handle 2TB. Now, if it's set up with 4k sectors, it'll do more, but I don't know if there's an interaction there. Works on Win2k8 and Win7, so yes it's 4k sectors. In short, either partition the drive, or rebuild the drive with a GPT. Yeah, won't do much good for the data on the drive, though... So as a stop-gap measure, the drive is currently mounted on a Win2k8 box and the C6 box cifs-mounts //ip/e$ It ain't pretty but it's the best I can do at the moment. But you had a good point 'bout the partiontable - that could explain why I had success with some drives and not with others. Once this disk has been emptied, I'll try and rebuild it and see if that works on both platforms. BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] your advice on backup procedure
On Sat, Mar 24, 2012 at 2:28 AM, Steven Crothers steven.croth...@gmail.comwrote: Snapshot the lvm and rsync it to your house. Then wipe out the snap. Seems easiest. Though it won't be the best for things like running databases. How about you lock all tables and flush buffers, then do the snapshot, and release the lock. Now backup then snapshot and remove it. Shouldn't take more than a few seconds for the lock-snapshot-release part, and you avoid the problem of inconsistent data in your db. In other places, I've seen people do master-slave replication and using mysqldump on the slave (cuz mysqldump locks tables as well) BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] 3TB usb drive won't mount
Hi list! I have a 3TB usb drive with an NTFS filesystem on it, that I can't mount.: [bent@bnlaptop ~]$ sudo /sbin/mount.ntfs-3g /dev/sdb1 /mnt Failed to read vcn 0xf28: Input/output error Failed to mount '/dev/sdb1': Input/output error NTFS is either inconsistent, or there is a hardware fault, or it's a SoftRAID/FakeRAID hardware. In the first case run chkdsk /f on Windows then reboot into Windows twice. The usage of the /f parameter is very important! If the device is a SoftRAID/FakeRAID then first activate it and mount a different device under the /dev/mapper/ directory, (e.g. /dev/mapper/nvidia_eahaabcc1). Please see the 'dmraid' documentation for more details. On a Win7 machine there are no problems and chkdsk can't find anything wrong with the filesystem. I can mount 1TB drives using ntfs-3g without problems, so the driver doesn't seem to be the issue. I've tried both CentOS6.2 and Fedora16 with the same result. Any suggestions? with kind regards, Bent Terp ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] 3TB usb drive won't mount
On Thu, Mar 22, 2012 at 1:39 PM, Barry Brimer li...@brimer.org wrote: I wonder if it uses a GPT partition table or not. I don't remember all the details, but for some reason I think you need a GPT partition table to handle partitions, filesystems, or something over 2 TB. I would have expected this as well, but: [bent@bnlaptop ~]$ sudo parted /dev/sdb print Model: WD My Book 1140 (scsi) Disk /dev/sdb: 3001GB Sector size (logical/physical): 4096B/4096B Partition Table: msdos Number Start End SizeType File system Flags 1 1049kB 3001GB 3001GB primary [bent@bnlaptop ~]$ BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Can anyone talk infrastructure with me?
On Thu, Jan 26, 2012 at 12:53 AM, Jason T. Slack-Moehrle slackmoeh...@gmail.com wrote: HAProxy is a load-balancer, so It should do in front of web-servers so it can decide which web-server to send the traffic to? Varnish Cache is all about caching commonly used resources so it seems that this has to go in front too? Can this be the same box realistically? How does one spec this box out? Varnish will do the load-balancing for you as well. What you need to figure out is the failover scenario fron one varnish to another - IF you really need more than 99.9 percent uptime. A varnish machine should have LOTS of memory and a fair bit of fast disk with a BIG swapfile on it. Basically varnish treats the entire virtual memory space as its cache storage and let's vfs worry about what should be in memory and what can be swapped out. BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] defense-in-depth possible for sshd?
On Tue, Jan 10, 2012 at 2:49 PM, John Doe jd...@yahoo.com wrote: From: Bennett Haselton benn...@peacefire.org On 1/10/2012 5:16 AM, John Doe wrote: The sshd child is running as bob; so it has bob (and not root) rights... Yes, I understand that. What I said was that if you could take complete control of the sshd process you were connecting to, even if that process was completely unprivileged, you could still make it say Accept a login from 'root' with password 'foo' and then log in as root. How would your bob owned child sshd take complete control of the parent root owned sshd...? JD Or, if you simply WANT more layers, then deploy defense-in-depth in FRONT of sshd. VPN or port-knocking springs to mind BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] What CentOS means?
Community ENTerprise OS /Bent On Mon, Dec 12, 2011 at 12:36 PM, LinuxIsOne reall...@hmamail.com wrote: Hi, I was thinking from where the word 'centos' came and what it means? How they choose this word? ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] Add new host to /etc/libvirt/qemu/networks/default.xml without virsh net-destroy?
Hi, When I setup a new KVM guest and add it's mac address to the default NAT'ted network, it would be nice to have that become active without having to destroy the network and recreate it - as that tends to make the other guests rather upset. Anybody knows how to achieve that? I've tried virsh net-edit but that doesn't seem to do anything useful :-( BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] You suggestion for 'big' filesystem management Best Practice?
2011/10/28 Götz Reinicke goetz.reini...@filmakademie.de The iSCSI RAID we have is about 26TB netto and I'm again faced with the question: How many partitions, which filesystem, which mount options etc. My vote goes to XFS, if only one server needs acces to the LUN's; and GPFS (not GFS) if you need a cluster filesystem. BR Bent (130 TB in one XFS installation, and 600 TB in one gpfs cluster) For the User it would be the most simpel thing, to have one big filesystem she/he could fill with all the data and dont has to search e.g. on multiple volumes. On the other hand, if one big filesystem crashes or has do be checked it will destroy a lot of data or the check will take hours ... Any suggestions pro or cons are welcome! :-) My favourite for now is 3 to 4 filesystems with the default ext4 settings. (Redhat EL 5.7, may be soon 6.1) Thanks and best regards. Götz -- Götz Reinicke IT-Koordinator Tel. +49 7141 969 420 Fax +49 7141 969 55 420 E-Mail goetz.reini...@filmakademie.de Filmakademie Baden-Württemberg GmbH Akademiehof 10 71638 Ludwigsburg www.filmakademie.de Eintragung Amtsgericht Stuttgart HRB 205016 Vorsitzender des Aufsichtsrats: Jürgen Walter MdL Staatssekretär im Ministerium für Wissenschaft, Forschung und Kunst Baden-Württemberg Geschäftsführer: Prof. Thomas Schadt ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Bastille-linux
On Fri, Jun 3, 2011 at 1:57 AM, Bob Hepple bhep...@promptu.com wrote: http://bastille-linux.sourceforge.net claims RHEL5 support but I ran into problems running it on a Centos 5.6 test system. It also claims that Bastille UNIX release coming January 14th, 2008. ;-) Looks like abandon-ware, unfortunately. It was a good idea, really. BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] ssh in while in fsck
On Wed, Apr 27, 2011 at 10:28 PM, m.r...@5-cent.us wrote: Hmm, now *that's* an interesting thought: with, say, DRAC, could you ssh into a management server, then go to a booting system? I'd recommend you use a vpn connection instead, so you can go straight to the iDRAC/ILO/RSA2 (Dell/HP/IBM, respectively) using ssh and https That way you can powercycle the server, access the bios, and work in the console without a running sshd. BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] 40TB File System Recommendations
On Tue, Apr 12, 2011 at 9:23 AM, Matthew Feinberg matt...@choopa.com wrote: Hello All I have a brand spanking new 40TB Hardware Raid6 array to play around with. I am looking for recommendations for which filesystem to use. I am trying not to break this up into multiple file systems as we are going to use it for backups. Other factors is performance and reliability. We've been very happy with XFS, as it allows us to add diskspace through LVM and grow the filesystem online - we've had to reboot the server when we add new diskenclosures, but that's not XFS's fault... BR Bent CentOS 5.6 array is /dev/sdb So here is what I have tried so far reiserfs is limited to 16TB ext4 does not seem to be fully baked in 5.6 yet. parted 1.8 does not support creating ext4 (strange) Anyone work with large filesystems like this that have any suggestions/recommendations? -- Matthew Feinberg matt...@choopa.com AIM: matthewchoopa ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] 1 Gbit/s Ethernet NIC under CentOS
On Wed, Dec 1, 2010 at 8:36 PM, Timo Schoeler timo.schoe...@riscworks.net wrote: You get what you pay for -- this is a valid rule of thumb throughout the whole life. Except with CentOS - we get SO much more than we pay for :-D ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] OT - Any true bourne shells out there for linux?
On Tue, Nov 9, 2010 at 12:13 AM, Kwan Lowe kwan.l...@gmail.com wrote: On Mon, Nov 8, 2010 at 3:06 PM, Phil Savoie psavoie1...@rogers.com wrote: Hi All, Was wondering if anyone knows there are any separate rpms to be able to install a true bourne shell and not one linked to bash. Bash has some options to run in compatibility mode. Not sure what you need, but may do the trick. It's useful if you need to build on Linux then move to another environment. In that case, tcshell might be a viable alternative. It's more like an addon for all OS's so the differences might well be smaller. Just a thought, not a thoroughly tested opinion. BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] 8-15 TB storage: any recommendations?
On Wed, Jan 6, 2010 at 10:35 PM, Boris Epstein borepst...@gmail.com wrote: some storage servers to run under Linux - most likely CentOS. The storage volume would be in the range specified: 8-15 TB. Any recommendations as far as hardware? I'm kind of partial to Areca raid controllers, you can get up to 24 ports, so that can be as much as 20 TB (that's real world terabytes, not hardware manufacturer's) in a raid 6 with hot-spare using 1000 GB drives. BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] GUID Partition Tables and Ext3 Partition Size
On Mon, Nov 9, 2009 at 5:10 AM, Manish Kathuria mkathu...@tuxtechnologies.co.in wrote: Does CentOS 5.4 support large ( 2 TB) external storage devices using GPT (GUID Partition Tables), while the main OS resides on smaller hard disks using MBR. In this scenario, what can be the largest possible size of an ext3 partition (and filesystem) which can be created on the storage array under CentOS 5.4 ? As a non-boot volume, we've got 9 SAS boxes of 15 1TB disks deployed as a single XFS filesystem, tied together with LVM. Total usable space: 110T BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Cluster server options?
On Sat, Nov 7, 2009 at 7:57 PM, Scott Ehrlich srehrl...@gmail.com wrote: Some code is designed for a single, powerful workstation. I'd like this cluster to act as one powerful workstation. I was going to suggest OpenMOSIX but that turned out to be quite dead :-( 2 minutes of frantic googling led to this project: http://www.kerrighed.org which at least seems to be alive, but I haven't tried it myself. with kind regards, Bent Terp ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Cluster server options?
On Mon, Nov 9, 2009 at 7:12 AM, Bent Terp b...@nagstrup.dk wrote: On Sat, Nov 7, 2009 at 7:57 PM, Scott Ehrlich srehrl...@gmail.com wrote: Some code is designed for a single, powerful workstation. I'd like this cluster to act as one powerful workstation. I was going to suggest OpenMOSIX but that turned out to be quite dead :-( 2 minutes of frantic googling led to this project: http://www.kerrighed.org which at least seems to be alive, but I haven't tried it myself. You might also want to look at this one: http://www.xtreemos.org/ BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS is dead, long live CentOS
On Fri, Sep 18, 2009 at 12:42 AM, Ron Blizzard rb4cen...@gmail.com wrote: Which, again, is why CentOS is currently NOT accepting cash donations *until* some form of oversight is set up. Okay, but if some of the people doing the grunt work of CentOS (I won't list names here simply because I don't wish to offend any of you by forgetting to mention a name) ever find themselves in the Stockholm area, I'll happily donate a beer or two :-D BR Bent Terp (who still believes we get *better* support from the CentOS team than customers get from RedHat) ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] OT:CMS
On Thu, Jul 9, 2009 at 7:22 AM, madunixmadu...@gmail.com wrote: Dear ALL, What are the experiences you have with various open source CMS products (Comparison of PHP-based CMS) such as (Drupal, Joomla, OpenCMS, Typo3, eZ publish ..etc.) We're migrating from Joomla to Drupal at the moment Security, Bugs, Performance, Support, Developer Community, learning curve, appearance..etc Drupal learning curve is rather steep. It has another terminology and another way of coding. If you write your pages correctly and have a sufficient memcache, then performance can be very good ideed. Community is very active, and bug/security fixes timely. Appearance is all about theming - your site can look exactly the same, whether it's Joomla or Drupal or Typo3. Drual and Typo3 are very good professional CMS's, but they're not intended for the casual user without programmers and sysadmins. BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] OT:CMS
On Thu, Jul 9, 2009 at 9:18 AM, Geoff Galitzge...@galitz.org wrote: Why are you migrating away from Joomla? Cuz developers got very excited about views and panels and shiny stuff :-) ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] External USB Drive partitioning, formatting and configuring Bacula server
On Mon, Jun 29, 2009 at 6:36 AM, Sagar Koiralasagar.koir...@gmail.com wrote: partition, I created 3 logical partitions 33% each. It went numbering sdb1, sdb5, sdb6 and sdb7. Where's the hell 2,3 and 4? Anyways, I've partitions 1 through 4 are dedicated to primary/extended partitions, logicals start from 5. this is not linux numbering, this is the way the partition table works. backupugh...how can I use my usb partitions with Bacula? Any ideas? http://www.bacula.org/manuals/en/concepts/concepts/New_Features.html#SECTION003245000 seems like what you're after. BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Web photo gallery options
I'd recommend using the beta of Gallery3 instead - it will be upgradable to the final version, and -3 is so much nicer to work with than -2. Actually, I've stayed on -1 simply because -2 was way too complex. You won't get it through yum, but you can update using git instead of having to download and untar new versions. BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] link to commercial support page isn't really helpful
On Mon, Jun 22, 2009 at 1:27 AM, Robert P. J. Day rpj...@crashcourse.cawrote: talk to someone with a marketing background. seriously. all you need to do is admit that there's no support, but word it carefully so that it doesn't seem like a big deal. just give people the warm fuzzies. that's all they're looking for. No, let's NOT talk to marketing people about this - all they care about is making money by making stuff look nice and remove all the wrinkles in photoshop! Kinda like the above IMNSHO, commercial support for Centos comes from consultants that could use the page for small advert blurbs. The community advantage to that comes from the safety net this spins under end-users: if the consultant which set-up your company's servers goes away, then you as a user can look at this list and find somebody that can take over the job. BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] link to commercial support page isn't really helpful
On Mon, Jun 22, 2009 at 1:32 AM, Robert P. J. Day rpj...@crashcourse.cawrote: again, no, i'm *not* the right person. i'm not a centos developer and, therefore, i have no idea what options the developers might be looking at in terms of support channels. You ARE the right person, as you want to sell CentOS support. i have an extensive red hat/fedora background so i can certainly address the *quality* of the product. but if a client wants to know what might be backing *me* up in terms of support from the community or from commercial entities, i simply don't know. You do this for a living = you are a commercial entity. If you want to know what support YOU can expect from the community, and are satisfied with a marketing-written page that gives you warm fuzzies, then you're way off mark. Instead, you should follow this list for several months and use that experience when you make your recommendations to your customers. From my personal experience, we've received better support from CentOS than from RedHat! What you don't get is a phone-droid that's being paid minimum wages to listen to phone abuse. BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS 5.3 cron / crontab missing?
Am I missing something here? vixie-cron? [r...@misc ~]# rpmquery --whatprovides $(which crontab) vixie-cron-4.1-76.el5 BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] PHP 5.2 or greater availability
On Tue, May 19, 2009 at 1:46 AM, Kaplan, Andrew H. ahkap...@partners.org wrote: Is there a repository that has php version 5.2 or greater available for use with the Centos 5.3 distribution? http://blog.famillecollet.com/post/2009/05/03/remi-release-5-en Works for my gallery3 installation at least /Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] fs for 16 TiB partition
On Wed, May 6, 2009 at 10:48 AM, Adrian Sevcenco adrian.sevce...@cern.ch wrote: Hi, What would you recommend as an FS for an partition greater than 16 TiB? This is for an production server (that is, no ext4 recommendations please :) ) What experiences did you had with your preferred FS ? (good and not so good points) We've got a 110 TB xfs system in production based on a logical volume striped over 9 boxes of SATA disk, works like a charm with great throughput as we stripe over 3 controllers :-) Only whoopsie in 18+ months was when we recently added 3 more disk boxes and I grew the filesystem. First attempt xfs_grow only added a fraction of the available space. Second attempt gave a kernel panic. Reboot and everything was fine with all space available. Lesson learned: don't use xfs_grow unless you're in the general vicinity of the server ;-) regards, Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] fs for 16 TiB partition
On Wed, May 6, 2009 at 11:27 AM, Bent Terp b...@nagstrup.dk wrote: Lesson learned: don't use xfs_grow unless you're in the general vicinity of the server ;-) Correction: the command is xfs_growfs not xfs_grow /B ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] Hierarchial storage management or automated archival to tape
Hi list! While regular backup solutions like amanda or bacula are very good at their job, ie keeping point2point copies of the files currently on disk, I find them less suited for archiving - having unused files move to tape in duplo and stay there until requested. I've even read of multi-tier solutions - move to slower disks after a week and further on to tape after a month. Does anyone have some experience or suggestions for this? The project will deal with ~100 TB of growth per year, most files somewhere between 2 and 50 GB. Yes, it can be done with everything in one filesystem, but I'm concerned about running a full backup every month of 500 TB ;-) Not to mention the time required for recovery in case the filesys crashes BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Hierarchial storage management or automated archival to tape
On Thu, Jan 8, 2009 at 5:08 PM, Tony Placilla aplac...@jhuadig.admin.jhu.edu wrote: We use SAM-FS to do just that here in the libraries. http://opensolaris.org/os/project/samqfs/What_are_QFS_and_SAM/ Thanks for the pointer! Do you use SAM with QFS or ZFS? Or some sort of combo? /Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] only backup selected files
On Sun, Nov 9, 2008 at 4:49 AM, Robert [EMAIL PROTECTED] wrote: I'm sure there will be other ideas but in the absence of an include these files file option, you could employ a simple loop to append the files in a man tar: -T, --files-from F get names to extract or create from file F list to a tar archive. For example, if you had a file named include with these 3 records /bin/gawk /etc/fstab /etc/resolv.conf This would cause the 3 files to be archived as included.tar. [EMAIL PROTECTED] ~]$ while read inc ; do echo including: $inc ; tar -v -r $inc -f included.tar ; done include or: tar -jvrc included.tar.bz2 --files-from include BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] centralized logs server and also storing the logs on the local server
On Sun, Nov 9, 2008 at 8:57 AM, ankush grover [EMAIL PROTECTED] wrote: store all the logs on the local server aka means logs will be sent to the central log server but also will be stored on the local server. I see two ways of doing this: 1) use rsyslog and multiple rules, one for writing to local file and another for TCP forwarding to central syslog server. 2) Do the logging locally, and let logrotate copy the files to the central location. BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] rpm spec question
On Mon, Nov 3, 2008 at 10:38 AM, Tom Brown [EMAIL PROTECTED] wrote: specify this in the %postun. Is there a way to tell rpm to NOT remove files/dir's that it creates unless i request it? don't list the dir in the files section, use /* instead to point out the files in the dir If you list the dir itself, it will be owned by the rpm and removed together with it. BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] scp and key login
On Tue, Sep 30, 2008 at 6:31 PM, Kai Schaetzl [EMAIL PROTECTED] wrote: Thanks, the agent without forwarding might be enough. The article is a bit general, though. I hope I can actually make this work with the few details nono, you need the agent forwarding for the first login (ssh -A ), then then scp will (should) work, using the forwarded credentials to contact the agent on the initial machine. BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] scp and key login
Short version: [EMAIL PROTECTED] ~]$ ssh-add Enter passphrase for /home/user/.ssh/id_dsa: Identity added: /home/user/.ssh/id_dsa (/home/user/.ssh/id_dsa) [EMAIL PROTECTED] ~]$ ssh -A [EMAIL PROTECTED] Last login: Wed Sep 31 25:74:52 2008 from 127.0.0.1 [EMAIL PROTECTED] ~]$ scp /tmp/CentOS.iso [EMAIL PROTECTED]:/tmp ;-) ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] how to set term environment for cronjobs?
On Wed, Oct 1, 2008 at 1:29 PM, Rudi Ahlers [EMAIL PROTECTED] wrote: wget downloads the whole page every time, which wastes bandwidth HDD space. Apart from using the /dev/null option, is there any other way to use it? wget -O- and then devnull :-) curl --silent is quite nice as well ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Yum
On Tue, Aug 5, 2008 at 7:01 PM, Mohsen Pahlevanzadeh [EMAIL PROTECTED] wrote: Dear All, When i install CentOS, it doesn't install yum package. How i do it? when i haven't yum, it is like that i haven't apt-get. Please help me Yours, Mohsen ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos Sounds like you need to talk to the support staff where you bought the VPServer - after all, they're the ones responsible for creating your problem. Alternatively, you could try 'rpm --upgrade http://mirror.centos.org/centos-5/5.2/updates/i386/RPMS/yum-3.2.8-9.el5.centos.2.1.noarch.rpm; - add dependencies ad nauseam. BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Mirroring Hard Drive
On Sat, Aug 2, 2008 at 4:00 PM, Johnny Hughes [EMAIL PROTECTED] wrote: stupid question ... why not just put it in the machine and make it a raid1 mirror cuz it's not an md volume to begin with? ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] share folder as USB mass storage device
Hi all! Maybe I'm just being silly here, but I'm wondering if anybody has ever used their computer for sharing files over USB. That is, the computer pretends to be a USB mass storage device. This could be useful for connecting to media players and such that support you plugging a USB harddrive or memory stick. Surely, somebody must have thought of this before :-D regards, Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Yum repository for bacula for CentOS 5?
On Mon, Jun 30, 2008 at 1:29 PM, Akemi Yagi [EMAIL PROTECTED] wrote: On Mon, Jun 30, 2008 at 2:49 AM, Kevin Thorpe [EMAIL PROTECTED] wrote: Can anyone point me at a yum repository containing a CentOS 5 version of bacula? Check out the EPEL repository. Please see (near the bottom): http://wiki.centos.org/AdditionalResources/Repositories Kinda old, ain't it? At least we're only one release behind ;-) /Bent MTG.repo Description: Binary data ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] is it possible to login to a switch via RS232 / serial port from the shell?
I have changed the comms in minincom to use /dev/tty0 the baud rate to 9600, yet I can't seem to connect with minicom. Does anyone know how to connect to a serial device from the console? This works for me with our Cisco console cables: sudo yum install picocom sudo picocom /dev/ttyS0 BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] rpmfusion status?
On Wed, Jun 18, 2008 at 6:27 PM, Ross S. W. Walker [EMAIL PROTECTED] wrote: If they manage to port all the Fedora extras over for EL then I would say that is pretty darn close to one-stop shop for RPMs. Assuming that all software ever needed by anybody exists in Fedora ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Fwd: RHEL5 network throughput/scalability
I have an issue with a new cluster setup where the nodes are RHEL5.1(with the latest 5.2 kernel), when i try to write NFS data, the nodes scale Have you tried the latest bz32 kernel from Johnny? http://people.centos.org/hughesjr/kernel/5/ I have kind of lost faith in RH kernels as far as NFS performance is concerned - and yes, I know that the bz32 issue is supposedly solved in 5.2 but until we can positively confirm that ourselves I ain't letting it near our production servers BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] School Server Setup
On Tue, Jun 10, 2008 at 7:20 AM, lingu [EMAIL PROTECTED] wrote: install.I recommend u either fedora6 or fedora 8. 6 ?!?! Why in the name of the holy penguin would anybody want to install FC6 today? ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Hardware Specs
My boss wants me to do some research in finding which hardware is most used under Linux(ex. Dell servers, Barebones Kits, HP Compaq servers, etc.) I'm quite partial to Dell cuz they've always worked quite well as far as raid drivers and so are concerned. Also, their service guys seem quite competent - at least where we live. BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Help, PHP/Mysql connections are so slow.
communicate with MySQL5. On this server, PHP/Mysql connections are dead slow and unresponsive. It takes sometimes up to a minute to list tables in phpmyadmin for example. Have you tried other protocols? Is it really only http transfers that are slow? Have you tried pinging 100 times and see if you get dropped packets? Are there any errors from the netcards showing up in log files? BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Help, PHP/Mysql connections are so slow.
Yes. Ftp works perfectly, and regular http with cgi/perl connections to the same database server works perfectly. Also rendering of standard HTML works as it should. It is only when a scripted site uses PHP/Mysql the connection to the server takes forever. What happens if you include a largish file in php? Is that also slow? Have you tried MySQL without php? Ie a mysql dump'n'reload on the command line? What's your memory status? (free -m) Swapping is painful ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Help, PHP/Mysql connections are so slow.
On Mon, Jun 9, 2008 at 1:05 PM, Bent Terp [EMAIL PROTECTED] wrote: Yes. Ftp works perfectly, and regular http with cgi/perl connections to the same database server works perfectly. Also rendering of standard HTML works as it should. It is only when a scripted site uses PHP/Mysql the connection to the server takes forever. What happens if you include a largish file in php? Is that also slow? Have you tried MySQL without php? Ie a mysql dump'n'reload on the command line? Ah well you already tried these sorry ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] RE-export nfs mounted share
below manner [bcoz there is no alternative way for me to setup nfs share] Why not? Firewalling/routing is not a problem just use fixed ports on host A, and have host B forward requests. I've done that with nfs servers hiding on an internal subnet. AFAIK, you can NOT re-export nfs mounts, it's not working and it's not supposed to. BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] RE: Largish filesystems [was Re: XFS install issue]
On Mon, Jun 2, 2008 at 9:38 PM, Alain Terriault [EMAIL PROTECTED] wrote: Just wondering if any one ever consider/use Coraid for massive storage under CentOS? http://www.coraid.com It seems like a very reasonable option.. comments ? It doesn't go all the way, but sure looks as interesting storage blocks for a Lustre deployment. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] Largish filesystems [was Re: XFS install issue]
On Mon, Jun 2, 2008 at 2:03 PM, Johnny Hughes [EMAIL PROTECTED] wrote: I would also not use XFS in production ... but that is just me. Interesting, I thought that XFS was fairly safe for use. What would you recommend for filesystems in the 50-500 terabyte range? (And yes, we do actually run a 70 TB at the moment, so I'm not asking just to annoy you; I'm genuinely interested in your opinion as well as those of others, so feel free to chip in) BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] RE: Largish filesystems [was Re: XFS install issue]
On Mon, Jun 2, 2008 at 7:48 PM, Ross S. W. Walker [EMAIL PROTECTED] wrote: As for file systems there is only really one for that scenario, GFS, as OCFSv1 only goes up to 8TB and OCFSv2 is still a technology preview. Besides GFS is included in the distro! Lustre? ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: NFS problem in the latest kernel (Was: [CentOS] MySQL issues with kernel-2.6.18-53.1.6.el5.x86_64.rpm)
On Jan 31, 2008 6:21 PM, Akemi Yagi [EMAIL PROTECTED] wrote: This problem does not seem to be associated with specific hardware as implied in the original thread. I did not intend to imply any such thing, at least not as far as the client is concerned, we've verified this on different hardware from different suppliers. To me, this is an inter-op issue with the new kernel and EMC's celerra NFS server, and am currently working it together with EMC tech support - obviously it may affect other nfs servers as well; we can only test against what we have. BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] MySQL issues with kernel-2.6.18-53.1.6.el5.x86_64.rpm
On Feb 1, 2008 10:54 AM, Johnny Hughes [EMAIL PROTECTED] wrote: Bent Terp wrote: Good point, thanks Johnny! We've verified that here; problem does not occur when mounting a Linux nfs-share, and does occur when mounting a Celerra nfs-share. Tunrs out that nfsstat wasn't telling us the whole truth We set up an rsync that only did the directory listing, and the .4 = .6 kernel opgrade (and I use the term loosely...) resulted in that rsync command taking 21 secs instead of 4.5 against a Linux nfs backend; and 20 secs instead of 10 against the celerra. I've opened a Service Request @ EMC, and will post here again when relevant. Issue remains open, although I'm sligthly embarassed about it now, given that linux backends are also affected. When we built a .6 kernel without the 5 nfs patches, nfsstat output reverted, but I don't know about the actual performance, yet. Probably we can rerun those tests monday. BR Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] MySQL issues with kernel-2.6.18-53.1.6.el5.x86_64.rpm
On Jan 30, 2008 5:39 PM, William L. Maltby [EMAIL PROTECTED] wrote: According to man pages for mount and nfs, *atime is not a supported mount option for NFS. *If* I read correctly. I don't agree. noatime is listed in the general section of man mount, and those options should then exist (but may be ignored) by nfs. man nfs explains the differences between v3 and v4. In Documentation/filesystems there aren't any caveats either. Anyways, we didn't change mount options when upping the kernel. regards, Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] MySQL issues with kernel-2.6.18-53.1.6.el5.x86_64.rpm
On Jan 31, 2008 1:17 PM, William L. Maltby [EMAIL PROTECTED] wrote: Still, we can't believe that an option you've never changed, and apparently worked before, and is not specifically (in)excluded as (un)supported is unsupported now. :-( No I suppose not, so we went and rechecked with noatime, and the situation remains the same. /B ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] MySQL issues with kernel-2.6.18-53.1.6.el5.x86_64.rpm
On Jan 31, 2008 2:09 PM, Bent Terp [EMAIL PROTECTED] wrote: On Jan 31, 2008 1:17 PM, William L. Maltby [EMAIL PROTECTED] wrote: Still, we can't believe that an option you've never changed, and apparently worked before, and is not specifically (in)excluded as (un)supported is unsupported now. :-( No I suppose not, so we went and rechecked with noatime, and the situation remains the same. /B ehrmn, I meant rechecked WITHOUT noatime and nodiratime ;-) ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] MySQL issues with kernel-2.6.18-53.1.6.el5.x86_64.rpm
On 1/24/08, Karanbir Singh [EMAIL PROTECTED] wrote: Bent Terp wrote: Hi all! Just a word of warning: after updating a few of our x86_64 based web frontend boxes to the new kernel, we began to get weird MySQL timeouts. The problem went away again when we downgraded to the previous kernel-2.6.18-53.1.6.el5.x86_64.rpm A bit more info / context would be nice ! We upgraded our web front servers to kernel 2.6.18-53.1.6, and suddenly sites wouldn't load. It seemed to be that the connections from php to the backend sql servers timed out, so we immediately downgraded back to 2.6.18-53.1.4 Now that we've had more time to look at the problem, it is not related to mysql, sorry about that. Rather, it looks as if the set of nfs patches do not agree with our EMC Cellera NAS server. Backing out that bunch and rebuilding makes the problem go away. The patches that gives us problems, results in a kernel which makes something like 2000 times more NFS V3 LOOKUP Call and NFS V3 LOOKUP Reply than without. Has something changed with regard to the mount options? We use (rw,noatime,rsize=8192,wsize=8192,hard,udp,context=system_u:object_r:httpd_sys_content_t:s0) which has worked fine until now. regards, Bent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] MySQL issues with kernel-2.6.18-53.1.6.el5.x86_64.rpm
Hi all! Just a word of warning: after updating a few of our x86_64 based web frontend boxes to the new kernel, we began to get weird MySQL timeouts. The problem went away again when we downgraded to the previous kernel-2.6.18-53.1.6.el5.x86_64.rpm regards, Bent Terp ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Print from remote applications
On 10/10/07, Patricio A. Bruna [EMAIL PROTECTED] wrote: Just: ssh [EMAIL PROTECTED] The application its launched automatically But you still need to do the port forwarding. LEt's assume you have a local IPP printer on the client machine, that is port 631 and you've created printer queue on the server pointing to port 6631. Then you'd need -R 6631:127.0.0.1:631 as part of the login BR Bent - Bent Terp [EMAIL PROTECTED] escribió: What is the ssh command used? On 10/9/07, Patricio A. Bruna [EMAIL PROTECTED] wrote: Bent, In the remote server is configure, also it works with another terminal. But i can't get it to work with xterm - Bent Terp [EMAIL PROTECTED] escribió: Setup a printing queue on the application server pointing to a local port on the application server. Then use remote forwarding during login, redirecting the fake printing port on the application server to the real printing queue on the client side, whether that is a printservice on the client machine or a network printer. As usual, TMTOWTDI http://www.catb.org/jargon/html/T/TMTOWTDI.htmL applies regards, Bent On 10/8/07, Patricio A. Bruna [EMAIL PROTECTED] wrote: I have some clients that connect to an application running on another server via ssh. They launch xterm and executes ssh to the site and start the application, i have a problem trying to redirect the printing to the local printer on the client pc. any ideas how can i that? thanks ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Print from remote applications
What is the ssh command used? On 10/9/07, Patricio A. Bruna [EMAIL PROTECTED] wrote: Bent, In the remote server is configure, also it works with another terminal. But i can't get it to work with xterm - Bent Terp [EMAIL PROTECTED] escribió: Setup a printing queue on the application server pointing to a local port on the application server. Then use remote forwarding during login, redirecting the fake printing port on the application server to the real printing queue on the client side, whether that is a printservice on the client machine or a network printer. As usual, TMTOWTDI http://www.catb.org/jargon/html/T/TMTOWTDI.htmL applies regards, Bent On 10/8/07, Patricio A. Bruna [EMAIL PROTECTED] wrote: I have some clients that connect to an application running on another server via ssh. They launch xterm and executes ssh to the site and start the application, i have a problem trying to redirect the printing to the local printer on the client pc. any ideas how can i that? thanks ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] ssh X11 forwarding not working
I often see this when I've forgotten to install the xorg-x11-xauth package. Having to set DISPLAY manually is annoying regards, Bent On 10/10/07, Barry Schiffman [EMAIL PROTECTED] wrote: --- Barry Schiffman [EMAIL PROTECTED] wrote: --- Feizhou [EMAIL PROTECTED] wrote: James A. Peltier wrote: I'm having problems with ssh.com and X11 forwarding ssh: SSH Secure Shell 3.2.0 (non-commercial version) on i686-pc-linux-gnu I am in the process of testing some of my machines with CentOS 5 x86/x86_64 and have run into a bit of a snag. X11 Forwarding is not working. Any hints? I've checked the ssh config files and they seem to be identical to the config files on our existing SuSE 10.0 machines which are working. This is troubling indeed. ssh -v and see what the ssh client complains about. I just installed CentOS 5.0 on one machine here and have a similar problem. I haven't changed the config file from what was installed, and it looks pretty much like the config in CentOS 4.5. I've got openssh-4.3p2-16.el5 on the CentOS 5.0 machine, and have tried to get X11 forwarding working on connections from three machines with different os's -- centos 4.5, ubuntu and Mac OS. ssh -v doesn't seem to say anything out of the ordinary. After authentication, it says: Entering interactive session. Requesting X11 forwarding with authentication spoofing. Trying to open an emacs window without a -d argument, I get a message about no address for localhost:6010. Supplying the -d argument, I get Xlib: connection to xxx:0 refused by server Xlib: No protocol specified. Barry I should've tried this before writing. If I set the environment variable DISPLAY in the xterm after making the ssh connection, it works. Check out the hottest 2008 models today at Yahoo! Autos. http://autos.yahoo.com/new_cars.html ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] yum $releasever thinks it's 1 instead of 3
On 10/10/07, Steve Campbell [EMAIL PROTECTED] wrote: I just upgraded one of my Tao boxes to Centos 3. The usual procedure is to do a yum update twice, and all is fine. This time, I had to rebuilddb before I could run the second yum update, and once I started this, yum fails. It says that $releasever is 1.0. Now I realize I could manually edit my yum.conf and make it go to 3, but this may not fix the problem down the road. Can someone tell me where this variable is defined, and any suggestions on how to fix this problem, please? Might a reinstall of yum packages fix this, as a last resort? I think it's parsed from /etc/redhat-release cat /etc/redhat-release CentOS release 5 (Final) regards, Bent Thanks very much. Steve Campbell ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] How to export X displays
On 10/10/07, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: I have a CentOS server at home and want to view the X display on a laptop running Ubuntu, and not having much success. Here's what's been tried so far: I ran this command on the CentOS server: export DISPLAY=192.168.0.18:0.0 And ran this command on the Ubuntu laptop: xauth +192.168.0.2 When I try to run, say, xclock on the Ubuntu laptop, this is the error message I'm getting: [EMAIL PROTECTED] ~]# xclock Error: Can't open display: 192.168.0.18:0.0 I'm assuming there's an important little detail I'm missing somewhere, but don't know what. Any suggestions? I often run into this when I forget to install xorg-x11-xauth on the server. I'd suggest you check that with 'rpmquery xorg-x11-xauth' and otherwise install it, then try a new ssh -Y login regards, Bent Paul ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] How to export X displays
On 10/10/07, umair shakil [EMAIL PROTECTED] wrote: Why dont u enable RDP on centOS (running GUI), and then using ubunto with this path Could you please provide us ignorants with a link to an RDP server for Linux? Umair Shakil ETD Are you the same Umair Shakil as the one in http://www.umairshakil.net/linux.html? That explains a few things ;-) ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] yum $releasever thinks it's 1 instead of 3
It's not parsed from the file itself. Explains why my brilliant upgrade scheme didn't work. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] File retrieval from outside hangs, internally is okay, only Centos5 affected
As it turns out, the problem goes away if I use old-fashioned iptables, that is without connection tracking. Go figure! Take home lesson is do not use connection tracking iptables behind a Cisco FireWall Service Module. Is this just to be accepted as canon, or can somebody actually explain to me WHY? best regards, Bent On 10/8/07, Bent Terp [EMAIL PROTECTED] wrote: The only thing which shows up is that the client start sending duplicate ACK's, getting Destination unreachable as reply from the server (not from the Cisco). This happened 220 KB into the transfer in this case, but that figure varies quite a bit. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] File retrieval from outside hangs, internally is okay, only Centos5 affected
The only thing which shows up is that the client start sending duplicate ACK's, getting Destination unreachable as reply from the server (not from the Cisco). This happened 220 KB into the transfer in this case, but that figure varies quite a bit. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] File retrieval from outside hangs, internally is okay, only Centos5 affected
Hi! I have a really weird problem with some of my servers, namely all the ones running Centos5 When I try to download a file from the server to a machine outside our Cisco 6500 router/firewall, the download hangs about half the times (15 out of 40) when less than half a megabyte into the transfer (varied from 76 kb to 496 kb). One server has a portchannel (Cisco speak for ethernet bundle), others do not, some use e1000, some use broadcom, I've tried httpd and scp transfers, I've tried from three different clients, Here's the really annoying part: the problem only occurs when downloading from outside the firewall, not when transferring files internally in the serverroom! And the switch is the firewall is a modular chassis, so the data comes over the same backplane regardless. And there's 42 files in /proc/net/sys/ipv4 which differ between EL4 and Centos5, so I'm a little lost here Anybody got some ideas? with kind regards, Bent PS Crossposted from Centos Forum, in case sombody on the list, who doesn't read the forum, can help me ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
