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ansible tutorials for beginners?
by Ralf Prengel 18 Jun '19

18 Jun '19

Hallo, has anyone here good links abut ansible tutorials for beginners? Thanks Ralf

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Postfix and choice of RBL
by Nicolas Kovacs 17 Jun '19

17 Jun '19

Hi, I'm managing several mail servers running CentOS 7, Postfix and Dovecot. SpamAssassin is filtering mail nicely, but I'm considering using RBL (blacklists) to take some load off the servers. General question to those of you who use RBL. Which lists do you recommend using? Cheers, Niki -- Microlinux - Solutions informatiques durables 7, place de l'église - 30730 Montpezat Site : https://www.microlinux.fr Mail : info(a)microlinux.fr Tél. : 04 66 63 10 32 Mob. : 06 51 80 12 12

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systemd-sleep
by mark 17 Jun '19

17 Jun '19

I found that one of my users' workstation is, for some reason, running systemd-sleep. I cannot find, anywhere on the system. system-sleep.conf (or systemd-sleep.conf), nor do I find systemctl status system[d]-sleep. How can I turn this thing off, other than renaming /usr/lib/systemd/systemd-sleep? mark

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zfs
by mark 14 Jun '19

14 Jun '19

Hi, folks, testing zfs. I'd created a zpoolz2, ran a large backup onto it. Then I pulled one drive (11-drive, one hot spare pool), and it resilvered with the hot spare. zpool status -x shows me state: DEGRADED status: One or more devices could not be used because the label is missing or invalid. Sufficient replicas exist for the pool to continue functioning in a degraded state. action: Replace the device using 'zpool replace'. see: http://zfsonlinux.org/msg/ZFS-8000-4J scan: resilvered 1.91T in 29h33m with 0 errors on Tue Jun 11 15:45:59 2019 config: NAME STATE READ WRITE CKSUM export1 DEGRADED 0 0 0 raidz2-0 DEGRADED 0 0 0 sda ONLINE 0 0 0 spare-1 DEGRADED 0 0 0 sdb UNAVAIL 0 0 0 sdl ONLINE 0 0 0 sdc ONLINE 0 0 0 sdd ONLINE 0 0 0 sde ONLINE 0 0 0 sdf ONLINE 0 0 0 sdg ONLINE 0 0 0 sdh ONLINE 0 0 0 sdi ONLINE 0 0 0 sdj ONLINE 0 0 0 sdk ONLINE 0 0 0 spares sdl INUSE currently in use but when I try zpool replace export1 /dev/sdb1, it says, nope, invalid vdev specification use '-f' to override the following errors: /dev/sdb1 is part of active pool 'export1' Any idea what I'm doing wrong? mark

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where to get kernel source
by qw 13 Jun '19

13 Jun '19

Hi, I install centos 7.2 with kernel version of 3.10.0-327.36.4.el7.x86_64. Where to get its kernel source? Thanks! Regards andrew

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NFSv4: Using fsid=0 but *not* exporting the root filesystem
by Frank Thommen 12 Jun '19

12 Jun '19

Hi, I would like to use the NFSv4 ability to create a "root" filesystem with fsid=0, so that I don't have to refer to the whole path of the exported filesystem when I mount it. However I do *not* want this root filesystem to be mountable by any host. Is that possible and how? E.g Filesystem: /exports/data1 /exports/data2 /exports/data3 /etc/exports: /exports *(ro,no_subtree_check,fsid=0) /exports/data1 host1(rw) /exports/data2 host1(rw) /exports/data3 host2(rw) host1 and host2 can mount fileserver:/ and access any of the dataN directories at least read-only. That is unwanted. I'd like /exports/data1 and /exports/data2 to be exclusively accessible by host1 and /exports/data3 by host2. But I'd still like to be able to mount e.f. as fileserver:/data1 instead of fileserver:/exports/data1. I've search around a lot and I have found the question several times, but no solution yet. Cheers frank

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CentOS-announce Digest, Vol 172, Issue 2
by centos-announce-request＠centos.org 12 Jun '19

12 Jun '19

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit https://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. Re: CEBA-2019:1339 CentOS 7 kernel BugFix Update (Johnny Hughes) 2. CEEA-2019:1390 CentOS 7 microcode_ctl Enhancement Update (Johnny Hughes) 3. CEEA-2019:1414 CentOS 6 microcode_ctl Enhancement Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Tue, 11 Jun 2019 16:17:59 +0100 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: Re: [CentOS-announce] CEBA-2019:1339 CentOS 7 kernel BugFix Update Message-ID: <ddf9f4f8-ef42-4bdf-b555-4570fbea357a(a)centos.org> Content-Type: text/plain; charset="utf-8" On 6/10/19 11:47 PM, Johnny Hughes wrote: > > CentOS Errata and Bugfix Advisory 2019:1339 > > Upstream details at : https://access.redhat.com/errata/RHBA-2019:1339 This should have been: https://access.redhat.com/errata/RHBA-2019:1337 > > The following updated files have been uploaded and are currently > syncing to the mirrors: ( sha256sum Filename ) > > x86_64: > f27bea79f341f5f6fe0fe2b65ced2c0f58c26403c2d84e6848a341f5ca939f65 bpftool-3.10.0-957.21.2.el7.x86_64.rpm > e6204f3027eed0c17bf65043ccfd3ecd60e17be8b2192038fb74c76619646096 kernel-3.10.0-957.21.2.el7.x86_64.rpm > 43b74947a87bbb1b55c5c220175f2d127085978debb272ff2cd620b50fac2aee kernel-abi-whitelists-3.10.0-957.21.2.el7.noarch.rpm > 527e9a258e8198daf26c34bedda029e63c5f0f98104679187f3c06106d4626d9 kernel-debug-3.10.0-957.21.2.el7.x86_64.rpm > f644cda65081f0fff83c1043c630c04acd0fd49d661bdeae21e2c19cf8eb6026 kernel-debug-devel-3.10.0-957.21.2.el7.x86_64.rpm > 474fe73e440ab892a209d9f0a747891642cd8af43099519e3e0c30d0b7de3ec3 kernel-devel-3.10.0-957.21.2.el7.x86_64.rpm > 823546d3722a609404b6094850d78ab30369ddfc1a5f00f473add473241d0cce kernel-doc-3.10.0-957.21.2.el7.noarch.rpm > d68d9af31a2844dc28cf662e482fe55e3c8216aec87c211ea362db19c140c005 kernel-headers-3.10.0-957.21.2.el7.x86_64.rpm > b438400fd691c235755f54add15c8318cbe5d6c3d1a94f0860c045410c69b5c5 kernel-tools-3.10.0-957.21.2.el7.x86_64.rpm > 12ab842ad269dbf8230e2284ffa793c65b2b0d73843bd7b6e96c935e83ce7843 kernel-tools-libs-3.10.0-957.21.2.el7.x86_64.rpm > f8f7d2550168982e93a37f3a58c03c2d2ef0b978fca258d79a85533438fa3262 kernel-tools-libs-devel-3.10.0-957.21.2.el7.x86_64.rpm > 5a3e0c4dea590d96b2c9b3f2badac97b4c9163db04471f29df3e5fb7619a386e perf-3.10.0-957.21.2.el7.x86_64.rpm > 990595b9ad47310b042fe23930ae3d1521963835e7bf94ed957fd7c7c249d99a python-perf-3.10.0-957.21.2.el7.x86_64.rpm > > Source: > 6e0276d2965573a89aed19bfce01af3c89329599524ac89d49901e4564f53116 kernel-3.10.0-957.21.2.el7.src.rpm > > >

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cPanel conference all for presentations closes June 28th
by Rich Bowen 11 Jun '19

11 Jun '19

Hi, folks, The call for presentations for the cPanel conference in Atlanta closes on June 28th. https://conference.cpanel.com/page/1406293/talk-submission CentOS expects to have some kind of presence there (still working out details) and we would love to have a strong showing from the community! --Rich -- Rich Bowen - rbowen(a)redhat.com @CentOSProject // @rbowen 859 351 9166

1 0

x2go is not able to start x2go sessions
by Stefano Simonucci 11 Jun '19

11 Jun '19

Hi everyone. Since a few days I can't connect with a server via x2go. I get the following error message: Connection failed. Failed to start X2Go Agent session with ID stefsimo-60-1560249248_stDMATE_dp24. X2Go Agent terminated unexpectedly. Aborting session startup. Did you get the same error? cat /etc/centos-release CentOS Linux release 7.6.1810 (Core) cat /proc/version Linux version 3.10.0-957.5.1.el7.x86_64 (mockbuild(a)kbuilder.bsys.centos.org) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-36) (GCC) ) #1 SMP Fri Feb 1 14:54:57 UTC 2019 Best regards Stefano

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mirror.centos.org ships non-updated version of bind ?
by cosml＠rsguhr.eu 11 Jun '19

11 Jun '19

Hi, RedHat published an update for bind two weeks ago - it's fixed some bind vulnerabilities (https://access.redhat.com/errata/RHSA-2019:1294) There's a commit 'import bind-9.9.4-74.el7_6.1' on https://git.centos.org/rpms/bind/commits/c7 since 12 ago but http://mirror.centos.org/ still ships the old non-updated version of bind (bind-9.9.4-73.el7_6.x86_64.rpm) Couldn't find bind on cbs.centos.org but I'm not really familiar with the building / publishing process at CentOS. Which steps are between ' RedHat published an update' and ' mirror.centos.org'? Best regards, Robért

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