[CentOS] RAID controller recommendations that are supported by RHEL/CentOS 8?

2019-10-10 Thread Dennis Jacobfeuerborn
Hi, I'm currently looking for a RAID controller with BBU/CacheVault and while LSI MegaRaid controllers worked well in the past apparently they are no longer supported in RHEL 8: https://access.redhat.com/discussions/3722151 Does anybody have recommendations for for hardware controllers with cache

Re: [CentOS] CentOS 8.0 1905 is now available for download

2019-09-24 Thread Dennis Jacobfeuerborn
Already bummed that the 4.18 kernel is too old for /proc/pressure :( ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] Any alternatives for the horrible reposync

2018-02-28 Thread Dennis Jacobfeuerborn
On 27.02.2018 16:45, Stephen John Smoogen wrote: > On 27 February 2018 at 06:11, Dennis Jacobfeuerborn > <denni...@conversis.de> wrote: >> Hi, >> I'm currently trying to mirror a couple of yum repositories and the only >> tool that seems to be available for this

[CentOS] Any alternatives for the horrible reposync

2018-02-27 Thread Dennis Jacobfeuerborn
Hi, I'm currently trying to mirror a couple of yum repositories and the only tool that seems to be available for this is reposync. Unfortunately reposync for some inexplicable reason seems to use the yum config of the local system as a basis for its work which makes no sense and creates all kinds

Re: [CentOS] RAID questions

2017-02-19 Thread Dennis Jacobfeuerborn
On 15.02.2017 03:10, TE Dukes wrote: > > >> -Original Message- >> From: CentOS [mailto:centos-boun...@centos.org] On Behalf Of John R >> Pierce >> Sent: Tuesday, February 14, 2017 8:13 PM >> To: centos@centos.org >> Subject: Re: [CentOS] RAID questions >> >> On 2/14/2017 5:08 PM, Digimer

Re: [CentOS] RHEL 7.3 released

2016-11-04 Thread Dennis Jacobfeuerborn
On 04.11.2016 15:29, Johnny Hughes wrote: > On 11/04/2016 09:15 AM, Mark Haney wrote: >> That's all well and good, but how about you actually include the minor >> number AND the release date? I.e. 7.3-1104 for CentOS 7.3 released today, >> for example. I'm all for the SIGs to keep track of

Re: [CentOS] gigE -> 100Mb problems

2016-10-12 Thread Dennis Jacobfeuerborn
On 12.10.2016 06:26, John R Pierce wrote: > On 10/11/2016 9:03 PM, Ashish Yadav wrote: >> Please test that if both the server are communicating with each other at >> 1Gbps or not via "iperf" tool. >> >> If above gives result of 1Gbps then it will eliminate the NICs problem >> then >> you know that

Re: [CentOS] [CENTOS ]IPTABLES - How Secure & Best Practice

2016-06-29 Thread Dennis Jacobfeuerborn
On 29.06.2016 12:00, Leon Vergottini wrote: > Dear Members > > I hope you are all doing well. > > I am busy teaching myself iptables and was wondering if I may get some > advise. The scenario is the following: > > >1. Default policy is to block all traffic >2. Allow web traffic and

Re: [CentOS] Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2

2016-05-25 Thread Dennis Jacobfeuerborn
What is the HBA the drives are attached to? Have you done a quick benchmark on a single disk to check if this is a raid problem or further down the stack? Regards, Dennis On 25.05.2016 19:26, Kelly Lesperance wrote: > [merging] > > The HBA the drives are attached to has no configuration that

Re: [CentOS] tune2fs: Filesystem has unsupported feature(s) while trying to open

2016-04-30 Thread Dennis Jacobfeuerborn
Then you either made a mistake or ran into a bug. Both "normal" disk partitions and logical volumes are regular block devices and tune2fs or other tool operating on block devices will see no difference between them and treat them identical. On 30.04.2016 12:42, Rob Townley wrote: > Not in my

Re: [CentOS] About mysql upgrade

2016-04-28 Thread Dennis Jacobfeuerborn
On 28.04.2016 17:58, Lamar Owen wrote: > On 04/28/2016 08:45 AM, Sergio Belkin wrote: >> I've found some issues upgrading mysql, some people recommends run >> mysql_upgrade. I wonder why such a script is not run from scriptlet of >> mysql-server rpm. > Back in the Dark Ages of the PostgreSQL

Re: [CentOS] VPN suggestions centos 6, 7

2016-04-05 Thread Dennis Jacobfeuerborn
How is IPSec "not recommended solution nowdays"? I tend to use IPSec for site-to-site connections i.e. the ones that run 24/7 and only require two experienced people to set up (the admins at both endpoints). For host-to-site setups I prefer OpenVPN since explaining to endusers how to set up an

Re: [CentOS] www.centos.org/forums/

2016-03-26 Thread Dennis Jacobfeuerborn
On 25.03.2016 17:29, Eero Volotinen wrote: >> @Eero: IMHO you are missing some points here. There are more and more >> browsers that are unable to use SSL{2,3} as well as TLS1.0, not just >> disabled via config, but this decission was made at compile time. >> Newer Android and Apple-iOS devices

Re: [CentOS] hosted VMs, VLANs, and firewalld

2016-03-21 Thread Dennis Jacobfeuerborn
On 21.03.2016 16:57, Gordon Messmer wrote: > On 03/20/2016 08:51 PM, Devin Reade wrote: >> In a CentOS 7 test HA cluster I'm building I want both traditional >> services running on the cluster and VMs running on both nodes > > On a purely subjective note: I think that's a bad design. One of the

Re: [CentOS] /tmp full with systemd-private*

2016-02-09 Thread Dennis Jacobfeuerborn
On 09.02.2016 17:05, Kai Bojens wrote: > CentOS: 7.1.1503 > > I have a problem with systemd which somehow manages to fill /tmp up with a > lot of > files. These files obviously are from the Apache server and don't pose a > problem > per se. The problem is that these files don't get removed

Re: [CentOS] NFS problem after 7.2

2016-01-01 Thread Dennis Jacobfeuerborn
On 01.01.2016 12:23, Gordon Messmer wrote: > On 01/01/2016 01:55 AM, Mark wrote: >> The command 'yum downgrade nfs-utils' just >> returns nothing to do. I've searched centos.org to find the previous >> package nfs-utils-1.3.0-0.8.el7.x86_64.rpm to manually download and >> install, but haven't

Re: [CentOS] CentOS 7 (1511) is released

2015-12-15 Thread Dennis Jacobfeuerborn
On 15.12.2015 03:22, John R Pierce wrote: > On 12/14/2015 3:46 PM, Wes James wrote: >> I just updated to 7.2 from 7.1. I did lsb_release -a and it says >> 7.2.1511. I haven’t rebooted yet, which items would run with new >> binaries, anything that isn’t running yet? Ssay I had apache running, >>

Re: [CentOS-virt] win2008r2 update on centos 6 host made system unbootable

2015-12-09 Thread Dennis Jacobfeuerborn
On 09.12.2015 13:47, Patrick Bervoets wrote: > > > Op 09-12-15 om 01:00 schreef Dennis Jacobfeuerborn: >> On 09.12.2015 00:39, NightLightHosts Admin wrote: >>> On Tue, Dec 8, 2015 at 5:26 PM, Dennis Jacobfeuerborn >>> <denni...@conversis.de> wrote: &g

Re: [CentOS-virt] win2008r2 update on centos 6 host made system unbootable

2015-12-08 Thread Dennis Jacobfeuerborn
On 09.12.2015 00:39, NightLightHosts Admin wrote: > On Tue, Dec 8, 2015 at 5:26 PM, Dennis Jacobfeuerborn > <denni...@conversis.de> wrote: >> Hi, >> today we ran into a strange problem: When performing a regular Windows >> 2008r2 update apparently among other thin

Re: [CentOS] firewalld being stupid

2015-11-17 Thread Dennis Jacobfeuerborn
On 17.11.2015 15:18, James B. Byrne wrote: > > On Mon, November 16, 2015 16:39, Nick Bright wrote: >> On 11/6/2015 3:58 PM, James Hogarth wrote: >>> I have a couple of relevant articles you may be interested in ... >>> >>> On assigning the zone via NM: >>> https://www.hogarthuk.com/?q=node/8 >>>

Re: [CentOS] firewalld being stupid

2015-11-17 Thread Dennis Jacobfeuerborn
On 17.11.2015 17:51, m.r...@5-cent.us wrote: > Nick Bright wrote: >> On 11/17/2015 8:18 AM, James B. Byrne wrote: >>> This behaviour is congruent with SELinux. One utility adjusts the >>> permanent configuration, the one that will be applied at startup. >>> Another changes the current running

Re: [CentOS] firewalld being stupid

2015-11-16 Thread Dennis Jacobfeuerborn
On 16.11.2015 22:58, Gordon Messmer wrote: > On 11/16/2015 01:39 PM, Nick Bright wrote: >> This is very frustrating, and not obvious. If --permanent doesn't work >> for a command, then it should give an error - not silently fail >> without doing anything! > > But --permanent *did* work. > >

Re: [CentOS] strange diskspace consuming

2015-10-20 Thread Dennis Jacobfeuerborn
On 20.10.2015 12:11, Götz Reinicke - IT Koordinator wrote: > Hi, > > I do a tgz-backup some maildir-folders with n*1000 off files and a lot > of GB in storage. The backuped maildirs are removed after the tar. > > My assumption was, that the free diskspace should be bigger after that, > but from

Re: [CentOS] Help with systemd

2015-09-23 Thread Dennis Jacobfeuerborn
On 24.09.2015 00:06, John R Pierce wrote: > On 9/23/2015 2:58 PM, Jonathan Billings wrote: >> 1.) why 'cd /greenstone/gs3 && ant start' when you could just run >> '/greenstone/gs3/ant start'. > > thats *not* equivalent, unless ant is in /greenstone/gs3 *and* . is in > the path, and even then,

Re: [CentOS-virt] Using STP in kvm bridges

2015-09-16 Thread Dennis Jacobfeuerborn
On 16.09.2015 12:18, C.L. Martinez wrote: > On 09/16/2015 10:15 AM, Dmitry E. Mikhailov wrote: >> On 09/16/2015 03:02 PM, C.L. Martinez wrote: >>> What advantages and disadvantages have?? If I will want to install >>> some kvm guests that use multicast address for certain services, is it >>>

Re: [CentOS] Upgrade of CentOS 6.6 to 6.7

2015-09-03 Thread Dennis Jacobfeuerborn
Specifically the output of "ip r" and "ip a" would be useful both with the working and non-working kernel for comparison. On 09/03/2015 10:52 PM, Jim Perrin wrote: > Can you provide a bit more detail? What hardware are you using, what > network driver is in use, etc.. > > On 09/03/2015 02:52 PM,

Re: [CentOS] CentOS 7.1 NFS Client Issues - rpc.statd / rpcbind

2015-08-31 Thread Dennis Jacobfeuerborn
On 08/31/2015 05:48 AM, Mark Selby wrote: > That is the thing - rpc.statd does have rpcbind a pre-req. It looks like > systemd is not handling this correctly. Just wondering if anyone knows a > good way to fix. > > root@ls2 /usr/lib/systemd/system 110# grep Requires rpc-statd.service >

Re: [CentOS] Shutdown hangs on "Unmounting NFS filesystems"

2015-08-31 Thread Dennis Jacobfeuerborn
On 08/31/2015 02:15 AM, Robert Nichols wrote: > On 08/30/2015 04:45 PM, John R Pierce wrote: >> On 8/30/2015 2:20 PM, Robert Nichols wrote: >>> Once the system gets into this state, the only remedy is a forced >>> power-off. What seems to be happening is that an NFS filesystem that >>>

Re: [CentOS] UMask=0002 ignored in httpd service file

2015-08-20 Thread Dennis Jacobfeuerborn
On 08/20/2015 06:54 PM, Dennis Jacobfeuerborn wrote: Hi, I'm trying to get Apache httpd to create new files with the group writable bit set and thought adding the directive UMask=0002 to the service section of the service file would be enough (after copying it to /etc/systemd/system

[CentOS] UMask=0002 ignored in httpd service file

2015-08-20 Thread Dennis Jacobfeuerborn
Hi, I'm trying to get Apache httpd to create new files with the group writable bit set and thought adding the directive UMask=0002 to the service section of the service file would be enough (after copying it to /etc/systemd/system). But after a systemctl daemon-reload followed by a service restart

Re: [CentOS] 6.7

2015-08-07 Thread Dennis Jacobfeuerborn
On 08/07/2015 01:56 PM, Farkas Levente wrote: On 08/07/2015 01:04 PM, Johnny Hughes wrote: 6.7 is there most places ... since we have more than 500 external mirrors (right now 593) not all of them are updated. (looks like 4% still are not completely updated) what about the src.rpms? it

Re: [CentOS] Semi-OT: configuring mongodb for sharding

2015-07-29 Thread Dennis Jacobfeuerborn
On 07/29/2015 04:43 PM, m.r...@5-cent.us wrote: Anyone know about this? Googling, all I can find is mongodb's 3.x manual, nothing for the 2.4 we get from epel. What I need to do, CentOS 6.6, is start it as a service, not a user, and have it do sharding. I see examples of how to start it as a

Re: [CentOS] Backups solution from WinDoze to linux

2015-07-16 Thread Dennis Jacobfeuerborn
On 16.07.2015 11:36, Leon Fauster wrote: Am 16.07.2015 um 02:22 schrieb Valeri Galtsev galt...@kicp.uchicago.edu: On Wed, July 15, 2015 7:05 pm, Michael Mol wrote: On Tue, Jul 14, 2015, 10:37 AM m.r...@5-cent.us wrote: My manager just tasked me at looking at this, for one team we're

Re: [CentOS] nfs-server.service start delayed 60 seconds asking for password?

2015-06-18 Thread Dennis Jacobfeuerborn
On 16.06.2015 04:34, Dennis Jacobfeuerborn wrote: Hi, when I start nfs-server.service it takes 60 seconds until the nfsd finally is up. Looking at the process list I see a process 'systemd-tty-ask-password-agent' running which goes away after the 60 seconds the startup requires. Does

[CentOS] nfs-server.service start delayed 60 seconds asking for password?

2015-06-15 Thread Dennis Jacobfeuerborn
Hi, when I start nfs-server.service it takes 60 seconds until the nfsd finally is up. Looking at the process list I see a process 'systemd-tty-ask-password-agent' running which goes away after the 60 seconds the startup requires. Does anyone have an idea what the reason could be for this and how

Re: [CentOS] Two partitions with samd UUID??

2015-06-15 Thread Dennis Jacobfeuerborn
On 15.06.2015 18:13, John Hodrien wrote: On Mon, 15 Jun 2015, jd1008 wrote: Thanx for the update but what about non-gpt and non lvm partitions? What is used as inp nut to create a universally unique id? (Actually, for an id to be universally unique, one would almost nee knowledge of all

Re: [CentOS] Effectiveness of CentOS vm.swappiness

2015-06-05 Thread Dennis Jacobfeuerborn
On 05.06.2015 19:47, Greg Lindahl wrote: On Fri, Jun 05, 2015 at 09:33:11AM -0700, Gordon Messmer wrote: On 06/05/2015 03:29 AM, Markus Shorty Uckelmann wrote: some (probably unused) parts are swapped out. But, some of those parts are the salt-minion, php-fpm or mysqld. All services which are

Re: [CentOS] Effectiveness of CentOS vm.swappiness

2015-06-05 Thread Dennis Jacobfeuerborn
On 06.06.2015 04:48, Dennis Jacobfeuerborn wrote: On 05.06.2015 19:47, Greg Lindahl wrote: On Fri, Jun 05, 2015 at 09:33:11AM -0700, Gordon Messmer wrote: On 06/05/2015 03:29 AM, Markus Shorty Uckelmann wrote: some (probably unused) parts are swapped out. But, some of those parts are the salt

Re: [CentOS] Effectiveness of CentOS vm.swappiness

2015-06-04 Thread Dennis Jacobfeuerborn
On 04.06.2015 22:18, Markus Shorty Uckelmann wrote: Hi all, This might not be CentOS related at all. Sorry about that. I have lots of C6 C7 machines in use and all of them have the default swappiness of 60. The problem now is that a lot of those machines do swap although there is no

Re: [CentOS] Upgrading to CentOS 7

2015-05-19 Thread Dennis Jacobfeuerborn
On 19.05.2015 16:37, Stephen Harris wrote: On Tue, May 19, 2015 at 09:25:30AM -0500, Jim Perrin wrote: If you have a good config management environment set up, rolling out a new build to replace older systems is much easier than walking through an update on each system. I really recommend

Re: [CentOS] Centos 7 and qemu-kvm

2015-05-09 Thread Dennis Jacobfeuerborn
On 09.05.2015 15:26, Jerry Geis wrote: Still trying to migrate to CentOS 7. I used to use qemu-kvm on centos 6. tried to compile on centos 7 and get error about undefined reference to timer_gettime searching for that says basically use virt-manager Why are you trying to compile it yourself

Re: [CentOS] nfs (or tcp or scheduler) changes between centos 5 and 6?

2015-04-29 Thread Dennis Jacobfeuerborn
You may want to look at NFSometer and see if it can help. Haven't seen that, will definitely give it a try! Try nfsstat -cn on the clients to see if any particular NFS operations occur more or less frequently on the C6 systems. Also look at the lookupcache option found in man nfs:

Re: [CentOS] C7 systemd and network configuration

2015-04-21 Thread Dennis Jacobfeuerborn
On 21.04.2015 16:46, Johnny Hughes wrote: On 04/21/2015 08:54 AM, Jonathan Billings wrote: On Tue, Apr 21, 2015 at 03:46:52PM +0200, Dennis Jacobfeuerborn wrote: Networking isn't really controlled by systemd but by NetworkManager. I usually just yum remove NetworkManager* and then everything

Re: [CentOS] C7 systemd and network configuration

2015-04-21 Thread Dennis Jacobfeuerborn
On 21.04.2015 14:10, Mihamina Rakotomandimby wrote: Hi all, I used to manage network through /etc/sysconfig/network-scripts/ifcfg-* Most of my use case are vlans (ie: eth0.1) an aliases (ie: eth1:3) My context in headless VMs (no DE, no Xorg, no GUI) With CentOS7 and systemd: is it still

Re: [CentOS] Centos 5 tls v1.2, v1.1

2015-04-17 Thread Dennis Jacobfeuerborn
The cheapest sollution is probably compiling a private openssl somewhere on the system and then compiling apache using that private openssl version instead of the default system-wide one. Regards, Dennis On 17.04.2015 13:20, Eero Volotinen wrote: Yep, maybe using ssl offloading devices like

Re: [CentOS] Update to 1503 release problem

2015-04-16 Thread Dennis Jacobfeuerborn
On 16.04.2015 12:51, Alessandro Baggi wrote: From freedesktop.org: Q: I want to change a service file, but rpm keeps overwriting it in /usr/lib/systemd/system all the time, how should I handle this? A: The recommended way is to copy the service file from /usr/lib/systemd/system to

Re: [CentOS] systemd private tmp dirs

2015-04-16 Thread Dennis Jacobfeuerborn
On 16.04.2015 04:15, Les Mikesell wrote: On Wed, Apr 15, 2015 at 9:00 PM, John R Pierce pie...@hogranch.com wrote: On 4/15/2015 6:52 PM, Les Mikesell wrote: Mostly I'm interested in avoiding surprises and having code that isn't married to the weirdness of any particular version of any

Re: [CentOS] Modifying files of NFS

2015-04-16 Thread Dennis Jacobfeuerborn
On 16.04.2015 02:12, Steven Tardy wrote: I have an NFS storage system and want to run jpegoptim on several GB's of jpeg images and I'm wondering what the best approach is. Is it ok to run this operation on the Server itself while the clients have it mounted or will this lead to problems like

[CentOS] Modifying files of NFS

2015-04-15 Thread Dennis Jacobfeuerborn
Hi, I have an NFS storage system and want to run jpegoptim on several GB's of jpeg images and I'm wondering what the best approach is. Is it ok to run this operation on the Server itself while the clients have it mounted or will this lead to problems like e.g. the dreaded stale filehandle?

Re: [CentOS] Update to 1503 release problem

2015-04-15 Thread Dennis Jacobfeuerborn
On 15.04.2015 12:41, Alessandro Baggi wrote: Hi there, Yesterday I've updated from 7 to 7.1 and today I've noticed on 2 server that postgresql systemd file was replaced with default values. This make postgres to no start and webserver give me problem. This problem was fixed and now all works

Re: [CentOS] Explanation please?

2015-04-03 Thread Dennis Jacobfeuerborn
On 04.04.2015 02:32, James B. Byrne wrote: I am seeing log file entries like this: IN=eth0 OUT=eth1 SRC=109.74.193.253 DST=x.y.z.34 LEN=122 TOS=0x00 PREC=0x00 TTL=48 ID=49692 PROTO=ICMP TYPE=3 CODE=3 [SRC=x.y.z.34 DST=109.74.193.253 LEN=94 TOS=0x00 PREC=0x00 TTL=53 ID=41330 PROTO=UDP

Re: [CentOS] KVM guest not running but cannot stop either

2015-03-17 Thread Dennis Jacobfeuerborn
On 17.03.2015 20:45, James B. Byrne wrote: These are the messages that I get when trying to attach a virtio disk to or perform a shutdown of the problem vm guest. Add hardware This device could not be attached to the running machine. Would you like to make the device available after the

Re: [CentOS] Masquerading (packet forwarding) on CentOS 7

2015-02-19 Thread Dennis Jacobfeuerborn
On 19.02.2015 11:58, Niki Kovacs wrote: Hi, I just migrated my office's server from Slackware64 14.1 to CentOS 7. So far everything's running fine, I just have a few minor details to work out. I removed the firewalld package and replaced it by a simple Iptables script:

Re: [CentOS] CentOS 7: software RAID 5 array with 4 disks and no spares?

2015-02-19 Thread Dennis Jacobfeuerborn
On 19.02.2015 06:28, Chris Murphy wrote: On Wed, Feb 18, 2015 at 4:20 PM, m.r...@5-cent.us wrote: Niki Kovacs wrote: Le 18/02/2015 23:12, close, but then, for mysterious reasons, Red Hat decided to cripple it into oblivion. Go figure. One word: desktop. That's what they want to conquer

Re: [CentOS] CentOS 7: software RAID 5 array with 4 disks and no spares?

2015-02-19 Thread Dennis Jacobfeuerborn
On 19.02.2015 19:41, Chris Murphy wrote: On Thu, Feb 19, 2015 at 5:47 AM, Dennis Jacobfeuerborn denni...@conversis.de wrote: I think the problem is that you simply have to draw a distinction between technology and product. The rise of the Linux desktop will never happen because Linux

Re: [CentOS] Centos 7.0 and mismatched swap file

2015-02-15 Thread Dennis Jacobfeuerborn
On 15.02.2015 16:49, Gregory P. Ennis wrote: Everyone, I am putting together a new mail server for our firm using a SuperMicro with Centos 7.0. When performed the install of the os, I put 16 gigs of memory in the wrong slots on the mother board which caused the SuperMicro to recognize 8

Re: [CentOS] C5 C6 : useradd

2015-01-24 Thread Dennis Jacobfeuerborn
On 25.01.2015 04:54, Always Learning wrote: On Sat, 2015-01-24 at 22:45 -0500, Stephen Harris wrote: On Sun, Jan 25, 2015 at 03:43:06AM +, Always Learning wrote: Should the 'correct' entry be:- fred:x:504:504:::/sbin/nologin ? No; that's invalid. There must be an entry in

Re: [CentOS] C5 C6 : useradd

2015-01-24 Thread Dennis Jacobfeuerborn
On 25.01.2015 04:30, Always Learning wrote: useradd --help -d, --home-dir HOME_DIR home directory for the new user account -M, do not create user's home directory yet useradd -M -s /sbin/nologin FRED produces in /etc/passwd

Re: [CentOS] VLAN issue

2015-01-24 Thread Dennis Jacobfeuerborn
and the range of ports (Gi1/0/1 - Gi1/0/8) assigned to that VLAN. Seems - and acts - like a legitimate setup and works fine, except for this particular instance. Thanks. Boris. On Fri, Jan 23, 2015 at 8:54 PM, Dennis Jacobfeuerborn denni...@conversis.de wrote: We have lots

Re: [CentOS] VLAN issue

2015-01-23 Thread Dennis Jacobfeuerborn
We have lots of servers with a similar setup (i.e. tagged vlans and no ip on eth0) and this works just fine. What is the actual vlan configuration on your switchport? Regards, Dennis On 24.01.2015 01:34, Boris Epstein wrote: Steve, Thanks, makes sense. I just don't see why I have to

Re: [CentOS] restart after yum update (6.6)?

2015-01-16 Thread Dennis Jacobfeuerborn
Hi, you don't *have* to reboot the server. If you don't there are two factors you need to consider: 1. The updated component are not all active without a reboot The kernel for example will obviously not not be running without a reboot and the same may be true for other components. For most

Re: [CentOS] NTP Vulnerability?

2014-12-19 Thread Dennis Jacobfeuerborn
On 20.12.2014 03:42, listmail wrote: I just saw this: https://ics-cert.us-cert.gov/advisories/ICSA-14-353-01 which includes this: A remote attacker can send a carefully crafted packet that can overflow a stack buffer and potentially allow malicious code to be executed with the privilege

[CentOS] CentOS 7 not installable using KVM-over-IP System

2014-11-19 Thread Dennis Jacobfeuerborn
Hi, I just tried to install CentOS 7 using a Lantronix Spider KVM-over-IP System and its virtual media feature and to my surprise this did not work. The installation using the netinstall iso seems to work for a while (I see some dracut boot messages) but when the first stage of the boot is

Re: [CentOS] CentOS 7 - Firewall always allows outgoing packets?

2014-08-11 Thread Dennis Jacobfeuerborn
On 11.08.2014 15:43, Tom Bishop wrote: You and 4 other guys are moving things from Linux to FreeBSD. The rest of the world is moving things from UNIX and Windows to Linux. CentOS-7 rebuild RHEL sources and most all of the important Enterprise Linux things are moving to RHEL. RHEL runs the

Re: [CentOS] when will docker 1.1.2 for rhel7 be released?

2014-08-11 Thread Dennis Jacobfeuerborn
On 11.08.2014 15:42, 彭勇 wrote: there are some bugs in docker-0.11.1-22.el7, when will latest version docker be relased for el7? What bugs are you referring to? Since Red Hat backports patches these bugs might already be fixed event though the version number might suggest otherwise. Regards,

Re: [CentOS] when will docker 1.1.2 for rhel7 be released?

2014-08-11 Thread Dennis Jacobfeuerborn
https://github.com/docker/docker/issues/6770* *https://access.redhat.com/solutions/964923 https://access.redhat.com/solutions/964923* On Tue, Aug 12, 2014 at 1:13 AM, Dennis Jacobfeuerborn denni...@conversis.de wrote: On 11.08.2014 15:42, 彭勇 wrote: there are some bugs in docker-0.11.1-22

Re: [CentOS] Centos 7 - iptables service failed to start

2014-08-10 Thread Dennis Jacobfeuerborn
On 10.08.2014 05:30, Neil Aggarwal wrote: Hey everyone: The process /usr/local/bin/firewall.start could not be executed and failed. I just realized I forgot to put #!/bin/sh at the top of my firewall scripts. I added that and it is working perfectly fine now. Sorry for any trouble.

Re: [CentOS] Install php-imap using yum or any on CentOS 7

2014-07-30 Thread Dennis Jacobfeuerborn
On 30.07.2014 14:53, Giles Coochey wrote: On 30/07/2014 13:34, Vivek Patil wrote: [epel] name=Extra Packages for Enterprise Linux 7 - $basearch #baseurl=http://download.fedoraproject.org/pub/epel/7/$basearch mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-7arch=$basearch

Re: [CentOS] LVM - VG directory not being created

2014-07-25 Thread Dennis Jacobfeuerborn
On 25.07.2014 12:12, Kyle Thorne wrote: Hi all, I'm not sure if this is the right place to ask, but it's worth a shot. I have installed CentOS 6.5 on one of our servers, and have just installed SolusVM. I have also set up LVM, with a PV on /dev/sda4 (which is GPT formatted, and 3.12TB

[CentOS] CentOS7+kickstart+thinpool = error/exception

2014-07-22 Thread Dennis Jacobfeuerborn
Hi, I'm trying to create a kickstart file that uses a thinly provisioned lvm volume as root but I've run into trouble. I installed a System manually using this option and this is the anaconda file produced: part /boot --fstype=xfs --ondisk=vda --size=500 part pv.10 --fstype=lvmpv --ondisk=vda

Re: [CentOS] kickstart partition without home

2014-07-22 Thread Dennis Jacobfeuerborn
On 22.07.2014 23:56, Matthew Sweet wrote: I am trying to finish off a kickstart file for a computer lab on CentOS 6.5 machines. I don't want to have a separate /home as I'm going to add an entry in fstab for it to nfs mount /home from a server. Is there a way to have it autopart the rest of

Re: [CentOS] journalctl and log server

2014-07-11 Thread Dennis Jacobfeuerborn
On 11.07.2014 10:47, Mauricio Tavares wrote: On Fri, Jul 11, 2014 at 3:00 AM, James Hogarth james.hoga...@gmail.com wrote: On 10 Jul 2014 23:26, Matthew Miller mat...@mattdm.org wrote: (In fact, you can even turn off persistent journald if you like.) Or, you can use 'imjournal' for more

Re: [CentOS] Cemtos 7 : Systemd alternatives ?

2014-07-08 Thread Dennis Jacobfeuerborn
On 08.07.2014 09:12, Ljubomir Ljubojevic wrote: On 07/08/2014 03:41 AM, Always Learning wrote: On Mon, 2014-07-07 at 21:34 -0400, Scott Robbins wrote: No systemd in FreeBSD. It isn't Linux, and like any O/S, has its own oddities. It would take more adjustment, IMHO, to go from CentOS

Re: [CentOS] Cemtos 7 : Systemd alternatives ?

2014-07-08 Thread Dennis Jacobfeuerborn
On 08.07.2014 13:57, Scott Robbins wrote: On Mon, Jul 07, 2014 at 06:50:21PM -0700, Russell Miller wrote: On Jul 7, 2014, at 6:34 PM, Scott Robbins scot...@nyc.rr.com wrote: No systemd in FreeBSD. It isn't Linux, and like any O/S, has its own oddities. It would take more adjustment,

Re: [CentOS] Cemtos 7 : Systemd alternatives ?

2014-07-08 Thread Dennis Jacobfeuerborn
On 08.07.2014 14:35, David Both wrote: I still prefer IPTables, so in Fedora I simply disabled firewalld and enabled IPTables. No need to uninstall. I have read that IPTables will continue to be available alongside firewalld for the unspecified future. Be careful with this though. A while

Re: [CentOS] Cemtos 7 : Systemd alternatives ?

2014-07-08 Thread Dennis Jacobfeuerborn
On 08.07.2014 14:58, Adrian Sevcenco wrote: On 07/08/2014 04:22 AM, Always Learning wrote: On Mon, 2014-07-07 at 20:46 -0400, Robert Moskowitz wrote: On 07/07/2014 07:47 PM, Always Learning wrote: Reading about systemd, it seems it is not well liked and reminiscent of Microsoft's put

Re: [CentOS] Cemtos 7 : Systemd alternatives ?

2014-07-08 Thread Dennis Jacobfeuerborn
On 08.07.2014 15:22, Steve Clark wrote: On 07/08/2014 08:09 AM, Dennis Jacobfeuerborn wrote: On 08.07.2014 13:57, Scott Robbins wrote: On Mon, Jul 07, 2014 at 06:50:21PM -0700, Russell Miller wrote: On Jul 7, 2014, at 6:34 PM, Scott Robbinsscot...@nyc.rr.com wrote: No systemd in FreeBSD

Re: [CentOS] Cemtos 7 : Systemd alternatives ?

2014-07-08 Thread Dennis Jacobfeuerborn
On 08.07.2014 15:53, Ned Slider wrote: On 08/07/14 14:14, Dennis Jacobfeuerborn wrote: On 08.07.2014 14:58, Adrian Sevcenco wrote: On 07/08/2014 04:22 AM, Always Learning wrote: On Mon, 2014-07-07 at 20:46 -0400, Robert Moskowitz wrote: On 07/07/2014 07:47 PM, Always Learning wrote

Re: [CentOS] Large file system idea

2014-05-17 Thread Dennis Jacobfeuerborn
On 17.05.2014 19:00, Steve Thompson wrote: On Sat, 17 May 2014, SilverTip257 wrote: Sounds like you might be reinventing the wheel. I think not; see below. DRBD [0] does what it sounds like you're trying to accomplish [1]. Especially since you have two nodes A+B or C+D that are RAIDed

Re: [CentOS] EFI and RAID questions

2014-05-10 Thread Dennis Jacobfeuerborn
On 10.05.2014 18:36, CS_DBA wrote: Hi All; I have a new server we're setting up that supports EFI or Legacy in the bios I am a solid database guy but my SA skills are limited to what I need to get by 1) I used EFI because I wanted to create a raid 10 array with 6 4TB drives and

Re: [CentOS] EFI and RAID questions

2014-05-10 Thread Dennis Jacobfeuerborn
On 10.05.2014 19:17, Dennis Jacobfeuerborn wrote: On 10.05.2014 18:36, CS_DBA wrote: Hi All; I have a new server we're setting up that supports EFI or Legacy in the bios I am a solid database guy but my SA skills are limited to what I need to get by 1) I used EFI because I wanted

Re: [CentOS] how to replace a raid drive with mdadm

2014-05-10 Thread Dennis Jacobfeuerborn
On 10.05.2014 19:06, Keith Keller wrote: On 2014-05-10, CS_DBA cs_...@consistentstate.com wrote: If we loose a drive in a raid 10 array (mdadm software raid) what are the steps needed to correctly do the following: - identify which physical drive it is This is controller dependent. Some

Re: [CentOS] Format big drives (4TB) in the installer?

2014-05-07 Thread Dennis Jacobfeuerborn
On 07.05.2014 17:31, CS_DBA wrote: On 05/07/2014 09:14 AM, Bob Marcan wrote: On Wed, 07 May 2014 08:41:23 -0600 CS_DBA cs_...@consistentstate.com wrote: Hi all; I cross posted this to the fedora list since we use Fedora as a test bed from time to time, however given this is a production

Re: [CentOS-virt] BAD disk I/O performance

2014-05-04 Thread Dennis Jacobfeuerborn
On 04.05.2014 12:58, Luca Gervasi wrote: Hello, i'm trying to convert my physical web servers to a virtual guest. What i'm experiencing is a poor disk i/o, compared to the physical counterpart (having strace telling me that each write takes approximately 100 times the time needed on

Re: [CentOS] Replace failed disk in raid

2014-03-05 Thread Dennis Jacobfeuerborn
On 05.03.2014 15:31, Nikos Gatsis - Qbit wrote: On 5/3/2014 3:59 μμ, Reindl Harald wrote: Am 05.03.2014 14:55, schrieb Nikos Gatsis - Qbit: A disk, part of a raid failed and I have to replace it. My problem is the swap partition which is in raid0. The rest partitions are in raid1 and I

Re: [CentOS] gnutls bug

2014-03-05 Thread Dennis Jacobfeuerborn
On 05.03.2014 22:19, Michael Coffman wrote: I am running centos6.4. Where do I find the updated gnutls packages?I see the updated source file here: http://vault.centos.org/6.5/updates/Source/SPackages/ But I don't see the correct version of the packages in the 6.4 tree here:

[CentOS] transparent_huge_pages problem (again?)

2014-02-21 Thread Dennis Jacobfeuerborn
Hi, I've experiencing problems with 6.5 guests on a 6.4 host when running hadoop with transparen_huge_pages enabled. As soon as I disable that feature everything returns to normal. I'm posting here because this issue cam up in the past: http://bugs.centos.org/view.php?id=5716 That bug was

[CentOS-virt] disk io in guests causes soft lockups in guests and host processes

2014-02-20 Thread Dennis Jacobfeuerborn
Hi, I have a strange phenomenon that I cannot readily explain so I wonder if anyone here can shed a light on this. The host system is a Dell r815 with 64 cores and 256G ram and has centos 6 installed. The five guests are also running centos 6 and are running as a hadoop cluster. The problem is

Re: [CentOS-virt] Problem with lvm disks assigned to kvm guests

2014-02-06 Thread Dennis Jacobfeuerborn
On 06.02.2014 11:45, C. L. Martinez wrote: Hi all, I have a strange problem when I use lvm disks to expose to virtual guests (host is CentOS 6.5 x86_64). If I remove a kvm guest and all lvm disks attached to it, and I create a new kvm with another lvm disks that use the same disk space

Re: [CentOS-virt] Problem with lvm disks assigned to kvm guests

2014-02-06 Thread Dennis Jacobfeuerborn
On 06.02.2014 12:05, C. L. Martinez wrote: On Thu, Feb 6, 2014 at 11:01 AM, Dennis Jacobfeuerborn denni...@conversis.de wrote: On 06.02.2014 11:45, C. L. Martinez wrote: Hi all, I have a strange problem when I use lvm disks to expose to virtual guests (host is CentOS 6.5 x86_64). If I

Re: [CentOS] HA cluster - strange communication between nodes

2014-01-15 Thread Dennis Jacobfeuerborn
On 16.01.2014 00:29, Leon Fauster wrote: Am 15.01.2014 um 11:56 schrieb Martin Moravcik cen...@datalock.sk: Thanks for your interest and for your help. Here is the output from command (pcs config show) [root@lb1 ~]# pcs config show Cluster Name: LB.STK Corosync Nodes: Pacemaker Nodes:

Re: [CentOS] LogScape as a Splunk alternative?

2014-01-13 Thread Dennis Jacobfeuerborn
On 13.01.2014 17:06, zGreenfelder wrote: I searched for a Splunk alternative and found LogScape. Have anyone worked with it? There is no documentation available only some very brief installation instructions and there is almost no information in google about successful deployments in linux

Re: [CentOS] LVM thinpool snapshots broken in 6.5?

2014-01-11 Thread Dennis Jacobfeuerborn
On 09.01.2014 23:54, Dennis Jacobfeuerborn wrote: Hi, I just installed a CentOS 6.5 System with the intention of using thinly provisioned snapshots. I created the volume group, a thinpool and then a logical volume. All of that works fine but when I create a snapshot mysnap then the snapshot

[CentOS] LVM thinpool snapshots broken in 6.5?

2014-01-09 Thread Dennis Jacobfeuerborn
Hi, I just installed a CentOS 6.5 System with the intention of using thinly provisioned snapshots. I created the volume group, a thinpool and then a logical volume. All of that works fine but when I create a snapshot mysnap then the snapshot volume gets displayed in the lvs output with the

Re: [CentOS] Disappearing directory

2014-01-03 Thread Dennis Jacobfeuerborn
On 03.01.2014 15:37, Leon Fauster wrote: Am 03.01.2014 um 15:04 schrieb Ken Smith k...@kensnet.org: Leon Fauster wrote: Am 03.01.2014 um 08:57 schrieb Mauricio Tavaresraubvo...@gmail.com: On Thu, Jan 2, 2014 at 10:19 PM, Leon Fauster leonfaus...@googlemail.com wrote: {snip} Even

Re: [CentOS] Hangs after inactivity

2013-12-30 Thread Dennis Jacobfeuerborn
On 31.12.2013 03:00, Arvind Nagarajan wrote: Hi, My linux machine hangs after some period of inactivity (8+ hrs). Anyone experiencing similar issue. CentOS Release 6.5(Final) Kernel Linux 2.6.32-431.el6_x86_64 GNOME 2.28.2 Processor (0 - 7): Intel(R) Core(TM) i7-4770 CPU @ 3.40 GHz

Re: [CentOS] strange speed of mkfs Centos vs. Debian

2013-11-13 Thread Dennis Jacobfeuerborn
On 13.11.2013 11:36, Götz Reinicke - IT Koordinator wrote: Hi, I'm testing a storage system and different network settings and I'm faced with a strange phenomen. Doing a mkfs.ext4 on the centos server lasts 11 minutes. The same mkfs.ext4 command on the debian installation is done in 20

Re: [CentOS] [OT] Building a new backup server

2013-11-05 Thread Dennis Jacobfeuerborn
On 05.11.2013 14:35, SilverTip257 wrote: On Tue, Nov 5, 2013 at 8:09 AM, Sorin Srbu sorin.s...@orgfarm.uu.se wrote: -Original Message- From: centos-boun...@centos.org [mailto:centos-boun...@centos.org] On Behalf Of Dennis Jacobfeuerborn Sent: den 4 november 2013 22:30 To: centos

Re: [CentOS] [OT] Building a new backup server

2013-11-05 Thread Dennis Jacobfeuerborn
On 05.11.2013 16:06, Sorin Srbu wrote: -Original Message- From: centos-boun...@centos.org [mailto:centos-boun...@centos.org] On Behalf Of m.r...@5-cent.us Sent: den 5 november 2013 15:35 To: CentOS mailing list Subject: Re: [CentOS] [OT] Building a new backup server According to

Re: [CentOS] [OT] Building a new backup server

2013-11-04 Thread Dennis Jacobfeuerborn
On 04.11.2013 18:05, m.r...@5-cent.us wrote: Sorin Srbu wrote: Guys, I was thrown a cheap OEM-server with a 120 GB SSD and 10 x 4 TB SATA-disks for the data-backup to build a backup server. It's built around an Asus Z87-A that seems to have problems with anything Linux unfortunately.

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