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Re: [CentOS] Setting up sendmail to mail system messages on CentOS 6 and 7
by マスターズ・イアン 29 Oct '18

29 Oct '18

On 2018/10/27 21:00, centos-request(a)centos.org wrote: > I've previously configured sendmail to send system messages on selected > servers running CentOS 6. Usually they just kinda' work out of the box. No > problems to speak of. > > However most of my CentOS 7-servers are rather flakey when it comes to > sendmail. Most of the time they just won't send mails for whatever reason. > Further, most of the time I can get it working, it's usually about a > firewall rule not set, the firewall not having been reloaded or some simple > such. Another thing to try would be Postfix. I've always found that very easy to use and also requires almost no configuration: https://www.server-world.info/en/note?os=CentOS_7&p=mail&f=1 (on the same site, a lot of very useful CentOS7 info) Usually for local servers, all I do is: 1. Add root alias in /etc/aliases 2. Run 'newaliases' 3. Send test mail: echo "test from `hostname`" | mail -s 'mail test' me@address That's all. ian

3 2

libuv bug ??
by Michael Peters 28 Oct '18

28 Oct '18

EPEL package but I think there's a packaging bug, thought I would ask here. Trying to build something that requires libuv-devel - it finds the .so but can't determine version. header files are in /usr/include/uv however the pkgconfig file specifies /usr/include as the include directory. The pkgconfig file also has the version so I'm not sure why the make file can't determine version, but maybe it is trying to get version from a header and looking in /usr/include instead of /usr/include/uv because the pkgconfig file doesn't specify the subdirectory? Other devel packages with header files in sub directory or /usr/include do list the sub directory in the pkgconfig file, so I think there might be a bug in that pkgconfig file because it doesn't? [alice@localhost ~]$ rpm -ql libuv-devel |grep include /usr/include/uv /usr/include/uv.h /usr/include/uv/errno.h /usr/include/uv/linux.h /usr/include/uv/threadpool.h /usr/include/uv/unix.h /usr/include/uv/version.h [alice@localhost ~]$ grep "include" /usr/lib64/pkgconfig/libuv.pc includedir=/usr/include Cflags: -I${includedir} I can file the bug report with EPEL (Fedora I think is where?) but don't want to if that isn't really a bug. Thank you for feedback. -- *Notice*: Gmail is owned by Google, a company that made its fortune in content indexing and user tracking. It is logical therefore to assume that Google and quite possibly the government has access to any correspondence made with this account. Do not use correspondence with this account for sensitive information.

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Re: [CentOS] systemd automount of cifs share hangs
by Elliott Balsley 26 Oct '18

26 Oct '18

> > But if I start the automount unit and ls the mount point, the shell hangs > and eventually, a long time later (I haven't timed it, maybe an hour), I > eventually get a prompt again. Control-C won't interrupt it. I can still > ssh in and get another session so it's just the process that's accessing > the mount point that hangs. > I don't have a solution, but I wanted to point out this same hang happened to me recently with a Myricom 10Gb card. Apparently Myricom drivers do not support CentOS 7 smb connections, although HTTP traffic works fine. I solved it by switching to a different NIC.

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ip6tables on C7
by mark 26 Oct '18

26 Oct '18

Working on a script, and to test, I need to shut down ip6tables temporarily. firewalld is running; is there any way to shut down *just* ip6tables? I tried installinf iptables-services, and did a systemctl stop ip6tables, and no joy. mark

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Speaking of C 7 and ipv6...
by mark 26 Oct '18

26 Oct '18

Has anyone else been having problems with the dhclient -6 dying? mark

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CentOS-announce Digest, Vol 164, Issue 6
by centos-announce-request＠centos.org 26 Oct '18

26 Oct '18

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Stupid C7 firewall question
by mark 26 Oct '18

26 Oct '18

Been looking, and haven't found the answer: in c7, is there a firewall-cmd command, or a systemctl cmd, to check whether ip6tables firewall is running mark

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Centos7 & Selinux & Tor
by Robin Lee 23 Oct '18

23 Oct '18

I've just encountered a problem starting tor. When I do 'systemctl start tor' it fails and I get selinux errors in the log. There was suggestion to do full auditing with 'auditctl -w /etc/shadow -p w'. Which I did and it gave the following type=PROCTITLE msg=audit(1539540150.692:60570): proctitle=2F7573722F62696E2F746F72002D2D72756E61736461656D6F6E0030002D2 D64656661756C74732D746F727263002F7573722F73686172652F746F722F6465666175 6C74732D746F727263002D66002F6574632F746F722F746F727263002D2D76657269667 92D636F6E666967 type=PATH msg=audit(1539540150.692:60570): item=0 name="/var/lib/tor/hidden_service/" inode=201616393 dev=fd:02 mode=040700 ouid=494 ogid=490 rdev=00:00 obj=system_u:object_r:tor_var_lib_t:s0 objtype=NORMAL cap_fp=0000000000000000 cap_fi=0000000000000000 cap_fe=0 cap_fver=0 type=CWD msg=audit(1539540150.692:60570): cwd="/" type=SYSCALL msg=audit(1539540150.692:60570): arch=c000003e syscall=2 success=no exit=-13 a0=562d3767da80 a1=20000 a2=0 a3=1 items=1 ppid=1 pid=18283 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="tor" exe="/usr/bin/tor" subj=system_u:system_r:tor_t:s0 key=(null) type=AVC msg=audit(1539540150.692:60570): avc: denied { dac_read_search } for pid=18283 comm="tor" capability=2 scontext=system_u:system_r:tor_t:s0 tcontext=system_u:system_r:tor_t:s0 tclass=capability type=AVC msg=audit(1539540150.692:60570): avc: denied { dac_override } for pid=18283 comm="tor" capability=1 scontext=system_u:system_r:tor_t:s0 tcontext=system_u:system_r:tor_t:s0 tclass=capability So I had a look at the permissions for /var/lib/tor/hidden_service/ and they were drwx------. toranon toranon system_u:object_r:tor_var_lib_t:s0 hidden_service Could somebody help me out here? I have no idea what to make of this. I know that tor was working for me at least a month ago. I got tor from this package: tor-0.2.9.16-1.el7.x86_64 Cheers Robin

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CentOS-announce Digest, Vol 164, Issue 5
by centos-announce-request＠centos.org 23 Oct '18

23 Oct '18

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. CESA-2018:2943 Critical CentOS 6 java-1.8.0-openjdk Security Update (Johnny Hughes) 2. CESA-2018:2942 Critical CentOS 7 java-1.8.0-openjdk Security Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Mon, 22 Oct 2018 14:45:40 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2018:2943 Critical CentOS 6 java-1.8.0-openjdk Security Update Message-ID: <20181022144540.GA62378(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2018:2943 Critical Upstream details at : https://access.redhat.com/errata/RHSA-2018:2943 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 10e294486f79da36e480a94314963c0f717e456e9012f7b06910fea207426df0 java-1.8.0-openjdk-1.8.0.191.b12-0.el6_10.i686.rpm 263fdc2d3ff25a6f22505624021937a5441a2590d233ffe64af12f4bb15ed717 java-1.8.0-openjdk-debug-1.8.0.191.b12-0.el6_10.i686.rpm 0720e6b37c2af702b40ff4a3be4d8359a13137d206dc58dbc8542b1e0d3df212 java-1.8.0-openjdk-demo-1.8.0.191.b12-0.el6_10.i686.rpm b3dbc54235955614622f83e7c019ae09344099d7e39276d6585d5c80600d488f java-1.8.0-openjdk-demo-debug-1.8.0.191.b12-0.el6_10.i686.rpm 37000c7965df7f72b3df937148a57dc360851bfd1caa5d84af4ddfb6099d86ef java-1.8.0-openjdk-devel-1.8.0.191.b12-0.el6_10.i686.rpm 7c034a5e931f94ac96f67f7685b01ccf4c1a016789d9e6ceb2fd6873f82f408e java-1.8.0-openjdk-devel-debug-1.8.0.191.b12-0.el6_10.i686.rpm f0cd73e105ec804bee3e94a0fc39af5ff160c0584df50fc5274802a036fc5f62 java-1.8.0-openjdk-headless-1.8.0.191.b12-0.el6_10.i686.rpm 92875f69d68f8c74f6a92c870e5274290d673a9a902e66b4b9ac891e7b1f4a13 java-1.8.0-openjdk-headless-debug-1.8.0.191.b12-0.el6_10.i686.rpm 104130bf5d4ed651bd1828f6657d3981d8d25049351fd37b5581a23a5ffc308d java-1.8.0-openjdk-javadoc-1.8.0.191.b12-0.el6_10.noarch.rpm a763f67e250a3215b92c7b501d169cf7851a864b1f086ba1f9df8ce6505da9c8 java-1.8.0-openjdk-javadoc-debug-1.8.0.191.b12-0.el6_10.noarch.rpm 368dc1878f3de0dc4bd0db96cad65366101ffcfbe34fd21213bfbdfb708371c4 java-1.8.0-openjdk-src-1.8.0.191.b12-0.el6_10.i686.rpm ed7d7a11c82daceabff7b535917d3949c2317c72ef371ae0c7c2478eea944535 java-1.8.0-openjdk-src-debug-1.8.0.191.b12-0.el6_10.i686.rpm x86_64: 2d2c6d2a280e29239e43ab60c80593a39339301bf9bcda87e88a7e31de3ca0f7 java-1.8.0-openjdk-1.8.0.191.b12-0.el6_10.x86_64.rpm bda285f5f4e207b90b159203f72ca8781aee4046a77b2a48c27c659933ac3982 java-1.8.0-openjdk-debug-1.8.0.191.b12-0.el6_10.x86_64.rpm e408a1d98e6160f93ca1ef352fd6267bfaacf76899172a0107745f6b1c3534c0 java-1.8.0-openjdk-demo-1.8.0.191.b12-0.el6_10.x86_64.rpm d6f8d3f0a49e0caf3aeaf13136456b7a605d8319fef057eb5648b351f8d8d8f2 java-1.8.0-openjdk-demo-debug-1.8.0.191.b12-0.el6_10.x86_64.rpm 45f67548838bf2d38bf4034fdde912c9508e54d3e430a5845d797eb1048c4461 java-1.8.0-openjdk-devel-1.8.0.191.b12-0.el6_10.x86_64.rpm a2366bcd33a170bc6e558582ebf25e33c098924f639f9048915a76c82046bbf9 java-1.8.0-openjdk-devel-debug-1.8.0.191.b12-0.el6_10.x86_64.rpm c8c235b12f05501925f0f7e984284f2028c6edc2d0ad4d8d35f8ace9838e1451 java-1.8.0-openjdk-headless-1.8.0.191.b12-0.el6_10.x86_64.rpm 619da945f3226c01f8cdb522050d00a3d5b7462632c4684eca049aaa80cea068 java-1.8.0-openjdk-headless-debug-1.8.0.191.b12-0.el6_10.x86_64.rpm 104130bf5d4ed651bd1828f6657d3981d8d25049351fd37b5581a23a5ffc308d java-1.8.0-openjdk-javadoc-1.8.0.191.b12-0.el6_10.noarch.rpm a763f67e250a3215b92c7b501d169cf7851a864b1f086ba1f9df8ce6505da9c8 java-1.8.0-openjdk-javadoc-debug-1.8.0.191.b12-0.el6_10.noarch.rpm 60db35ba2dbe7a5f76f627dfb2d70dde0952f7d2b4d9fb8ab990435c02eb3f43 java-1.8.0-openjdk-src-1.8.0.191.b12-0.el6_10.x86_64.rpm 810e2ab3386ee551a8e04192ae00d7e91d6f71b19caf3e2a829580ba9c5d786a java-1.8.0-openjdk-src-debug-1.8.0.191.b12-0.el6_10.x86_64.rpm Source: ca59253e2ebe94076af3f4188ea82542cbce3538326d9078c663c079096b8dbb java-1.8.0-openjdk-1.8.0.191.b12-0.el6_10.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ Message: 2 Date: Mon, 22 Oct 2018 16:25:25 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2018:2942 Critical CentOS 7 java-1.8.0-openjdk Security Update Message-ID: <20181022162525.GA3021(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2018:2942 Critical Upstream details at : https://access.redhat.com/errata/RHSA-2018:2942 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: 9b0e9718995176baa60a1b6255be237c6e5c1a32b992d0ec9b9d6dfdd63e53dd java-1.8.0-openjdk-1.8.0.191.b12-0.el7_5.i686.rpm de28afb2c6ac7ba0cabe579f18556d2db93dd353821f1afbd352c689e05d2594 java-1.8.0-openjdk-1.8.0.191.b12-0.el7_5.x86_64.rpm ebb413d9754ce3802915fafbd5e8981b384695cc63ef6b36f2fc3a1d1dca0a3d java-1.8.0-openjdk-accessibility-1.8.0.191.b12-0.el7_5.i686.rpm 200695ef0188b557a215a07240521ec10ba9ae8a3c1bd24f9a538560667f9419 java-1.8.0-openjdk-accessibility-1.8.0.191.b12-0.el7_5.x86_64.rpm 20d43426186ccea7f314bb648e172ea005dc20d4ac1579f1055197c5f9d03167 java-1.8.0-openjdk-accessibility-debug-1.8.0.191.b12-0.el7_5.i686.rpm 58fe7e287e6109c7aef6fe6ff2157f5cf55bc480c363b08d0f1160a53c741298 java-1.8.0-openjdk-accessibility-debug-1.8.0.191.b12-0.el7_5.x86_64.rpm f00fe6e02fd11d22ecd005467a3d290ded7da77fe12befc4f185c6348930084a java-1.8.0-openjdk-debug-1.8.0.191.b12-0.el7_5.i686.rpm 689bb6f3baf737044da0151c85a439c64e7510c2fd387b59a9e7e69c00f625a2 java-1.8.0-openjdk-debug-1.8.0.191.b12-0.el7_5.x86_64.rpm 0dccca8428044d48d68a14f05b33faf12bfa7e7538e542e697a4027074053b21 java-1.8.0-openjdk-demo-1.8.0.191.b12-0.el7_5.i686.rpm 0c2a3d25658ec786915729ded22d614befad39fd9760d30f728eb912ca4b4d01 java-1.8.0-openjdk-demo-1.8.0.191.b12-0.el7_5.x86_64.rpm 3d8a7d52c30d256d7121aab8b4c1ea890e873f65d1b567bced20dd4713d63add java-1.8.0-openjdk-demo-debug-1.8.0.191.b12-0.el7_5.i686.rpm 51edf6417f25ddec17820199829ea7ee023396dded46f0ecf4357ea69b78417c java-1.8.0-openjdk-demo-debug-1.8.0.191.b12-0.el7_5.x86_64.rpm 14da8e4faf28166a647f7e65f7142febe33b7172be1167a82983fff0d2af2d75 java-1.8.0-openjdk-devel-1.8.0.191.b12-0.el7_5.i686.rpm 656e24f21d2b5571656ca04543b71fc9289672d4823c3c2baa0c9c9e10f7a350 java-1.8.0-openjdk-devel-1.8.0.191.b12-0.el7_5.x86_64.rpm 897b6d04c02310e8911e4cd764501568334d5540698f7b191413d92fd9af3afd java-1.8.0-openjdk-devel-debug-1.8.0.191.b12-0.el7_5.i686.rpm 79f16d3c2a1b7f17f8656e45f5aff73f23faf3734029aad1cfe6f734f1dbbe98 java-1.8.0-openjdk-devel-debug-1.8.0.191.b12-0.el7_5.x86_64.rpm 75a66b41c490aaa5a937551bb55e4a1a0c7d8f62c9e6cb84e9a47e99f3581f50 java-1.8.0-openjdk-headless-1.8.0.191.b12-0.el7_5.i686.rpm 93d4359d53ad9fdd3c6bc185f354e58f1c1981476ac5079b10b1f3a7625c949b java-1.8.0-openjdk-headless-1.8.0.191.b12-0.el7_5.x86_64.rpm d1d183dd5fc0aae33f47a01198b9d6a23bb396ac772cca5bfd58da2dd78923a6 java-1.8.0-openjdk-headless-debug-1.8.0.191.b12-0.el7_5.i686.rpm 944271660651618b66ce31cf9a79f9fd4e7c9e449de17e8fcc349a6eb0a6fdb7 java-1.8.0-openjdk-headless-debug-1.8.0.191.b12-0.el7_5.x86_64.rpm 6d19225f904e922baa53c9b0970a38757851a0a74f38fae777f1b71da4ef17c5 java-1.8.0-openjdk-javadoc-1.8.0.191.b12-0.el7_5.noarch.rpm 745cac8aedcd76e3c30d11e2eda2edac2eb9e8049603b8c044d51dd8509afdc5 java-1.8.0-openjdk-javadoc-debug-1.8.0.191.b12-0.el7_5.noarch.rpm 4f616aa6afc6c10f3f4945328c9240f5137fa46ee3e7259f8cc605a7e805514b java-1.8.0-openjdk-javadoc-zip-1.8.0.191.b12-0.el7_5.noarch.rpm 51323aab38ddd36f4728cb357e4fd333175aeac53df6ff154ff440ea092071cc java-1.8.0-openjdk-javadoc-zip-debug-1.8.0.191.b12-0.el7_5.noarch.rpm c601c87a3c8a2379f3ab69d44ccb7d6eefd67dfa1b1debc494d30a6a4ce738a0 java-1.8.0-openjdk-src-1.8.0.191.b12-0.el7_5.i686.rpm 89499e98c3f7ef8e7804c237974c302ac7022708e0a199908c674928de742842 java-1.8.0-openjdk-src-1.8.0.191.b12-0.el7_5.x86_64.rpm 6bc179ef5abab92a4f46045cc10dc4348d2359bddaa5cdf85c86b2e9055f9a57 java-1.8.0-openjdk-src-debug-1.8.0.191.b12-0.el7_5.i686.rpm 0dc3e87d3c2fd2149d44250f654031b59023e312804a0ef689cd079fc9e6e4d5 java-1.8.0-openjdk-src-debug-1.8.0.191.b12-0.el7_5.x86_64.rpm Source: e98a223e70a66648032fee4515aa0ccd4c067a86e4cede1daf4e53974642a292 java-1.8.0-openjdk-1.8.0.191.b12-0.el7_5.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ Subject: Digest Footer _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org https://lists.centos.org/mailman/listinfo/centos-announce ------------------------------ End of CentOS-announce Digest, Vol 164, Issue 5 ***********************************************

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systemd automount of cifs share hangs
by Kenneth Porter 21 Oct '18

21 Oct '18

Running latest CentOS 7.5. Since I found out about automount unit files I've had mixed results using them to mount shares from my NAS. Lately they seem to hang if I touch the mount point, but I can start the mount unit without problems. I had it working months ago, so I'm thinking something changed in the systemd updates. For each mount point, I have two files in /etc/systemd/system named with the path of the mount point and with extensions .automount and .mount, following the systemd documentation. For example, srv-dav-name1.mount and srv-dav-name1.automount to mount a NAS share to /srv/dav/name1. I can issue "systemctl start srv-dav-name1.mount" and the mount completes instantly. But if I start the automount unit and ls the mount point, the shell hangs and eventually, a long time later (I haven't timed it, maybe an hour), I eventually get a prompt again. Control-C won't interrupt it. I can still ssh in and get another session so it's just the process that's accessing the mount point that hangs. Any suggestions on how I can debug this? I'm still new to finding the right log files. /var/log/messages doesn't show any errors like timeouts.

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