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Frustrating xsession crashes
by aurfalien 28 Jan '16

28 Jan '16

Hi all, I was wondering if some one could give me ideas on how I can troubleshoot the following problem; log files to check, etc… I’m running CentOS 7.2.1511 with KDE. I login and open 1 or 2 shells. If I leave the system alone for about 15 minutes and then try to open another shell I get the error; Could not launch terminal client At this time, upon clicking on the lower left hand menu, the screen goes black. /var/log/messages; kernel: traps: plasma-desktop[3071] trap int3 ip:7f75606db8d3 sp:7f751e264ab0 error:0 /var/log/Xorg.0.log; AUDIT: Thu Jan 28 13:06:30 2016: 1603: client 15 disconnected Is there anything else I can look at to help me figure this out? Of the many weak points, GUI issues are my most weak areas of knowledge. Thanks in advance, - aurf

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Firewalld
by Emmett Culley 28 Jan '16

28 Jan '16

Yesterday I noticed that I was not able to ping one of our development servers so I logged in via VNC and ran the Firewalld GUI. To my surprise, except for the interface definition for public and trusted zones, nothing seemed to be configured. That is, none of the services were checked off that we want open at the firewall. Also, this server is a gateway and masquerading and forwarding appears to be off as well. So it looks like the GUI is not correctly reading the firewalld configuration. I can find nothing in Google bout this. Emmett

2 2

remote gnome setup
by ken 28 Jan '16

28 Jan '16

It's been surprisingly difficult to set up a remote display between two CentOS boxes, one headless running v.5.9 and the other a new laptop running v.7.2. Since the one machine is headless, it should be obvious which is to display the desktop of the other. The two machines are on the same local network, yet there is iptables running on both of them. But it's not a big deal for me to add rules for them. There's already a solid ssh connection from the laptop to the headless machine. I recently set up remote display of applications from a Raspian (Debian running on a Raspberry Pi) to my Android phone-- that took only about an hour-- and (quite a while ago) an X server displaying apps from another Linux box-- was also trivial to do-- which is why it's been a mystery why using gdm is so difficult. Since I've tried a lot of different settings over the past several days, it would take too long to describe them all. If perhaps someone could describe the steps from the beginning, that would be much simpler and would give others seeking the same on the internet a doc to work from. So does anyone know how this is done?

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C7 postfix problem
by Rainer Traut 28 Jan '16

28 Jan '16

Hi all, topology: java/tomcat app mailing to the outside via a C7 postfix relay server. problem: java app submits mail to postfix but there is _nothing_ logged in the postfix maillog. This happen for 2/3 of all mail submitted. We cannot see any trace of this submitted mail either incoming/stored/outgoing. Log from java app (shortened): DEBUG: getProvider() returning javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc] DEBUG SMTP: useEhlo true, useAuth true DEBUG SMTP: trying to connect to host "xxxxxxxx", port 25, isSSL false DEBUG SMTP: Attempt to authenticate AUTH LOGIN 235 2.7.0 Authentication successful DEBUG SMTP: use8bit false DEBUG SMTP: Verified Addresses DATA 354 End data with <CR><LF>.<CR><LF> ****message text*** 250 2.0.0 Ok: queued as 8D83AC2756DF QUIT 221 2.0.0 Bye Log from the postfix server: [root@xxx postfix]# grep 8D83AC2756DF /var/log/maillog [root@xxx postfix]# This happens for 2/3 of all messages send to this server. Any idea what is happening here? Thx Rainer

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CentOS-announce Digest, Vol 131, Issue 10
by centos-announce-request＠centos.org 28 Jan '16

28 Jan '16

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-2016:0071 Critical CentOS 6 firefox Security Update (Johnny Hughes) 2. CESA-2016:0073 Moderate CentOS 6 bind Security Update (Johnny Hughes) 3. CESA-2016:0071 Critical CentOS 7 firefox Security Update (Johnny Hughes) 4. CESA-2016:0073 Moderate CentOS 7 bind Security Update (Johnny Hughes) 5. CESA-2016:0074 Moderate CentOS 5 bind97 Security Update (Johnny Hughes) 6. CESA-2016:0071 Critical CentOS 5 firefox Security Update (Johnny Hughes) 7. CESA-2016:0073 Moderate CentOS 5 bind Security Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Wed, 27 Jan 2016 13:24:01 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2016:0071 Critical CentOS 6 firefox Security Update Message-ID: <20160127132401.GA29873(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2016:0071 Critical Upstream details at : https://rhn.redhat.com/errata/RHSA-2016-0071.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: c6d657f5507534819aeb712af8752230bbeb50253e45e7e440d4fdeded3c0760 firefox-38.6.0-1.el6.centos.i686.rpm x86_64: c6d657f5507534819aeb712af8752230bbeb50253e45e7e440d4fdeded3c0760 firefox-38.6.0-1.el6.centos.i686.rpm 685c98c6e6206b7336074554106ac415212bacdc6060a288ad66949c1346cd5d firefox-38.6.0-1.el6.centos.x86_64.rpm Source: 18d697b64f3b8817f71b83be1471b37167206f8547643dd26d0385cda53035fd firefox-38.6.0-1.el6.centos.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ Message: 2 Date: Wed, 27 Jan 2016 13:24:33 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2016:0073 Moderate CentOS 6 bind Security Update Message-ID: <20160127132433.GA30191(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2016:0073 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2016-0073.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: b6ed7e941878203bab5f445fdf02242ebc7ddb9e106d21448fa934567b6c9d69 bind-9.8.2-0.37.rc1.el6_7.6.i686.rpm ec4e913be997eb6ecb0adb463b3e048fd258abb50719d28e3bda699ba5564ac3 bind-chroot-9.8.2-0.37.rc1.el6_7.6.i686.rpm 6d0bc1d187e270721a840ff5b444ef71def121e3fcc3b0e3000be956ccefd2cb bind-devel-9.8.2-0.37.rc1.el6_7.6.i686.rpm e4b5938891980805d1f2b6cce9d3cf35d287c6fb23955966f5c33988011002d8 bind-libs-9.8.2-0.37.rc1.el6_7.6.i686.rpm 3219ce9865b0c077cec06304bd44e6093a94e2deb20131ac9eaf12be99390c85 bind-sdb-9.8.2-0.37.rc1.el6_7.6.i686.rpm fd0239cafda5baa254ce72b463032948de416ec28a52b13239efecaf16ed4672 bind-utils-9.8.2-0.37.rc1.el6_7.6.i686.rpm x86_64: 5c6dc609593f17d383c2d7c4c491b6b782453e11ac62770461eaa569f86971de bind-9.8.2-0.37.rc1.el6_7.6.x86_64.rpm fcac37ddb041c983721cec05d536513900a0726a106a39d8bd6a5635f0b8ad76 bind-chroot-9.8.2-0.37.rc1.el6_7.6.x86_64.rpm 6d0bc1d187e270721a840ff5b444ef71def121e3fcc3b0e3000be956ccefd2cb bind-devel-9.8.2-0.37.rc1.el6_7.6.i686.rpm a2b62f0e56767af74ecc39b32cff9bab02630d2ed828e1caa4cdc225f9cdf6b0 bind-devel-9.8.2-0.37.rc1.el6_7.6.x86_64.rpm e4b5938891980805d1f2b6cce9d3cf35d287c6fb23955966f5c33988011002d8 bind-libs-9.8.2-0.37.rc1.el6_7.6.i686.rpm bafaa0e1646245658301a2aec80915fd79a28b8cac54b0fbdd33a7aeb917cce0 bind-libs-9.8.2-0.37.rc1.el6_7.6.x86_64.rpm 72f64bdd0a6deaede7760d0728da752558913fe5f266ad39b383fcda390e541a bind-sdb-9.8.2-0.37.rc1.el6_7.6.x86_64.rpm 563fb6fe2028e188ec044091e79e415b067d2073b4fde07b7f179fee3f611e77 bind-utils-9.8.2-0.37.rc1.el6_7.6.x86_64.rpm Source: f6634e8e85939b9d204cb50d84fad0d31f095fc1c351ace5c20ee89cd522a984 bind-9.8.2-0.37.rc1.el6_7.6.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ Message: 3 Date: Wed, 27 Jan 2016 13:25:49 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2016:0071 Critical CentOS 7 firefox Security Update Message-ID: <20160127132549.GA33092(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2016:0071 Critical Upstream details at : https://rhn.redhat.com/errata/RHSA-2016-0071.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: be34c367e10c7dc57ece2a1e963b78ea8528f6f6dd2900111945c4b9349bb66d firefox-38.6.0-1.el7.centos.i686.rpm 2742f3432b2ddf784c0e350d66c1488546c65cc3154b974cae43ae4e94d48655 firefox-38.6.0-1.el7.centos.x86_64.rpm Source: 7fc2d1a4212d902f469f0442a705d11065a8b1b3df348f8dbd4bc8668ef050a4 firefox-38.6.0-1.el7.centos.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ Message: 4 Date: Wed, 27 Jan 2016 13:26:10 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2016:0073 Moderate CentOS 7 bind Security Update Message-ID: <20160127132610.GA33632(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2016:0073 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2016-0073.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: 687d126e287b5261d66dfdefd6f2275667f6172810d437d89db00fe5b3699fd8 bind-9.9.4-29.el7_2.2.x86_64.rpm 85ec2b5256b2f7317eccb164514664a6d70ef259c88fe8fdb8420265fd35a656 bind-chroot-9.9.4-29.el7_2.2.x86_64.rpm 5c787513258b287757d732b1c64081bc3c5279a4302bfd4f290df16d142e33dd bind-devel-9.9.4-29.el7_2.2.i686.rpm e8864072298c6083b61945891ddd0084da8426527e380bbd9d40f199589d6055 bind-devel-9.9.4-29.el7_2.2.x86_64.rpm a8c318b3f3bfd258ba58125e638971ea58cc9be8489f42121bd16ac2c06c178b bind-libs-9.9.4-29.el7_2.2.i686.rpm e21275bf4758672beeb929263ef90eacbe35a4ae72394c6281ac7ba7b47f8627 bind-libs-9.9.4-29.el7_2.2.x86_64.rpm 73a32ba26598b5a23b99530fe699fb934a67f3f968e584e2374a99672780fed1 bind-libs-lite-9.9.4-29.el7_2.2.i686.rpm be4a8fec4ddf26a67053fcd4d7533564e032db6aa8f351c6953f1403917a5b64 bind-libs-lite-9.9.4-29.el7_2.2.x86_64.rpm 5e07d967ce3a00f18f5c78065b1dc3d6afd85447ebcb1c45772450f80479fc29 bind-license-9.9.4-29.el7_2.2.noarch.rpm 3c42a0bc47f6ddb9df1ad59adc9847ea78ad95c1bb0dbd5cd7ddd6b2423add9d bind-lite-devel-9.9.4-29.el7_2.2.i686.rpm ac5cb51ddb57e365c99fbe15e978662ae6a11b2fbf6e3e2ba33f147b9835e858 bind-lite-devel-9.9.4-29.el7_2.2.x86_64.rpm e92f2c1f37f67be2266c54dff8049dd9ddfbb4b8748ac1c899c5288f1125b055 bind-pkcs11-9.9.4-29.el7_2.2.x86_64.rpm 21c6d74ec37c375dd97f580f33a0b4ef9a03d4605ce385e30337712327c9e012 bind-pkcs11-devel-9.9.4-29.el7_2.2.i686.rpm 1b5db2d89b0ab1c0d576a5de73f08f4a6aaded98cdf40585cb90ff1ce9e2be11 bind-pkcs11-devel-9.9.4-29.el7_2.2.x86_64.rpm 6da046cfc1bed327100f00c18257e4db6163143027f688ce95093c92ab25d890 bind-pkcs11-libs-9.9.4-29.el7_2.2.i686.rpm 581c28fbae1ad38b9b969a8e4913e3d9cfd7bd8ca3bc8d816a43bec9d93722fb bind-pkcs11-libs-9.9.4-29.el7_2.2.x86_64.rpm 5368ad7cc0023a8b6764a935b207ca5f01e2eab4a7f68f35dc931d326f7d735f bind-pkcs11-utils-9.9.4-29.el7_2.2.x86_64.rpm f1b676334768c532e108a5b2e659495957a0c3c9a56ea0e15ff00c960d0a9997 bind-sdb-9.9.4-29.el7_2.2.x86_64.rpm dcec313d83c6b9027ac92c67b74cb79e3958cbacf3f5294128a1221722a79c09 bind-sdb-chroot-9.9.4-29.el7_2.2.x86_64.rpm 3094d168064b902abd356da286858c323d6d43b518701a9a9e163868adcdcd59 bind-utils-9.9.4-29.el7_2.2.x86_64.rpm Source: f7bf841e6e6c5aa5bb8f231eaf7f069272574987f3acf4d4d895db28259518c1 bind-9.9.4-29.el7_2.2.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ Message: 5 Date: Wed, 27 Jan 2016 13:29:51 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2016:0074 Moderate CentOS 5 bind97 Security Update Message-ID: <20160127132951.GA7893(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2016:0074 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2016-0074.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 1ac16b73eca063cb4f562733a64e35cff3ef7873209b22c48e6bbe1b5df936e6 bind97-9.7.0-21.P2.el5_11.5.i386.rpm d00a5209fd4a6c72783037af6b7909bcfa767a66385b245ad3b287ddfe48f4b7 bind97-chroot-9.7.0-21.P2.el5_11.5.i386.rpm 9ceb0ca912faefe419906fac778a83648ba1795a5c69f6382fda81df9a023fe1 bind97-devel-9.7.0-21.P2.el5_11.5.i386.rpm 8ffd71c8d09ac29cc9a9310c7d04c5249d34fab41559a918d504125386ddc441 bind97-libs-9.7.0-21.P2.el5_11.5.i386.rpm d924ae3b48500a8982a4ccb6249dd87bc9a5fe272abdee158e1eaa7935fdb58c bind97-utils-9.7.0-21.P2.el5_11.5.i386.rpm x86_64: b157e8406abe9110c9d40d4ae745d1136929de910986c82944f85240829ae42b bind97-9.7.0-21.P2.el5_11.5.x86_64.rpm 5418786b36f906420acc4c157d35a81d4e5e78acd42ce0cb477ae3043977f78e bind97-chroot-9.7.0-21.P2.el5_11.5.x86_64.rpm 9ceb0ca912faefe419906fac778a83648ba1795a5c69f6382fda81df9a023fe1 bind97-devel-9.7.0-21.P2.el5_11.5.i386.rpm c4da10547d26ffd16aa93e0ea69a9b1d7728c0a3f69d29e50339b1449305cf36 bind97-devel-9.7.0-21.P2.el5_11.5.x86_64.rpm 8ffd71c8d09ac29cc9a9310c7d04c5249d34fab41559a918d504125386ddc441 bind97-libs-9.7.0-21.P2.el5_11.5.i386.rpm df963d049822cfbf4832f0b7fcf9481b55252248a0f7ee4e1ad554350a811e32 bind97-libs-9.7.0-21.P2.el5_11.5.x86_64.rpm 7962f4a2e941a2de8da8f8729a17d7f42b5d90a5b9f544ccd9351811dc7a2963 bind97-utils-9.7.0-21.P2.el5_11.5.x86_64.rpm Source: 7a939bb5c6f9605c0b6798511dd7d5574fdaa2f24e325aaae0bc2ba2602de81d bind97-9.7.0-21.P2.el5_11.5.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: JohnnyCentOS ------------------------------ Message: 6 Date: Wed, 27 Jan 2016 13:57:23 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2016:0071 Critical CentOS 5 firefox Security Update Message-ID: <20160127135723.GA9383(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2016:0071 Critical Upstream details at : https://rhn.redhat.com/errata/RHSA-2016-0071.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 7857a7a7b41cb33bf15e4d44951a9769a41087a741ce2a46dd0a22e0ce92a7f4 firefox-38.6.0-1.el5.centos.i386.rpm x86_64: 7857a7a7b41cb33bf15e4d44951a9769a41087a741ce2a46dd0a22e0ce92a7f4 firefox-38.6.0-1.el5.centos.i386.rpm 218583469a900a71f38c9232ae3a6d099f1cf93e8ed841993521e76bd50991a7 firefox-38.6.0-1.el5.centos.x86_64.rpm Source: 11dbb60ec69d824094085cb320bddd37cd8cda1f7f658d5227c43701eb6d73bb firefox-38.6.0-1.el5.centos.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: JohnnyCentOS ------------------------------ Message: 7 Date: Wed, 27 Jan 2016 13:59:45 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2016:0073 Moderate CentOS 5 bind Security Update Message-ID: <20160127135945.GA9546(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2016:0073 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2016-0073.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: ddbfbbe93f13b2ad52daa56c2d188fdbd27ec99f8c2bb47bae45795b294d0d11 bind-9.3.6-25.P1.el5_11.6.i386.rpm 25a9c6953ff01c7b5d0cae31c4d9f472501de99084a2462c12f98710791f93a1 bind-chroot-9.3.6-25.P1.el5_11.6.i386.rpm 77b5271a5e8f4b3b196f2080a522885e1ac61934aae1aee555c4a006c9e94d72 bind-devel-9.3.6-25.P1.el5_11.6.i386.rpm 7d417af61cd259bbaeeaa785da1f0d3b81322e52484618aaf264384f3d1a9b6f bind-libbind-devel-9.3.6-25.P1.el5_11.6.i386.rpm b23b685f71e43193b5f44d8c1ec94c7d437722554783f4fe49c51877395f3c45 bind-libs-9.3.6-25.P1.el5_11.6.i386.rpm 517edaa050d9d1aac33caf9df8d7697be2257ac58a62ebc4347bdf2ced679a15 bind-sdb-9.3.6-25.P1.el5_11.6.i386.rpm 86df6e077ef4232cad3d00bcad67df95412628764b43cc0e20099cd6469fc283 bind-utils-9.3.6-25.P1.el5_11.6.i386.rpm a5b33baa5bcaad17b757a30b352281a6b7cfe23b820656c68f349ad54adb63f0 caching-nameserver-9.3.6-25.P1.el5_11.6.i386.rpm x86_64: 38c75d87815be4802e9b4b0eadd6ff7aaecc7ab390b63bfd324556953606997b bind-9.3.6-25.P1.el5_11.6.x86_64.rpm 439b61a89198405603239230a83d32baf2fd2f1654716c19310748cb1d1242eb bind-chroot-9.3.6-25.P1.el5_11.6.x86_64.rpm 77b5271a5e8f4b3b196f2080a522885e1ac61934aae1aee555c4a006c9e94d72 bind-devel-9.3.6-25.P1.el5_11.6.i386.rpm 96f45a79b9d6c1639484a8a2ca9ae210e46e8dd6b4e92285fc994a7bde0d45a9 bind-devel-9.3.6-25.P1.el5_11.6.x86_64.rpm 7d417af61cd259bbaeeaa785da1f0d3b81322e52484618aaf264384f3d1a9b6f bind-libbind-devel-9.3.6-25.P1.el5_11.6.i386.rpm a02c456ce0113de0dffd642ba5a1fd2983eeb4a91a9d02653139f3cdabbb20bf bind-libbind-devel-9.3.6-25.P1.el5_11.6.x86_64.rpm b23b685f71e43193b5f44d8c1ec94c7d437722554783f4fe49c51877395f3c45 bind-libs-9.3.6-25.P1.el5_11.6.i386.rpm 024c84269610726dae11e7e5ff02c03210984bbd87cb06af13bd095cc57bffe1 bind-libs-9.3.6-25.P1.el5_11.6.x86_64.rpm 5413c5a298327da426f17910082560b27ea64bfda8d25fad526e667557ec033e bind-sdb-9.3.6-25.P1.el5_11.6.x86_64.rpm 4609a64d0b10e1ff219a4d6ddcf225bb98486db32d476dac085ffd9c4cf8db60 bind-utils-9.3.6-25.P1.el5_11.6.x86_64.rpm 6e8d5003341a937e49e221ed5bca41f680bef0143669e8a36283f07b96eddc95 caching-nameserver-9.3.6-25.P1.el5_11.6.x86_64.rpm Source: 17b44d7032712e6a3542f01e2d58a31f5a0ee89f98616231d8810bd0798e0f3f bind-9.3.6-25.P1.el5_11.6.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: JohnnyCentOS ------------------------------ _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org https://lists.centos.org/mailman/listinfo/centos-announce End of CentOS-announce Digest, Vol 131, Issue 10 ************************************************

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verify clean umount
by Robert Arkiletian 28 Jan '16

28 Jan '16

This is on a C6 systems. How can I verify that an ext4 data partition is being unmounted properly at (reboot/shutdown) on a sysV init system. I've looked at S01reboot and S01halt scripts in etc but what I'm concerned about is that I mounted my partition on a tmpfs dir mount point. So if those S01 scripts try to umount the tmpfs dir first they may get a "target busy" and then they will try a force umount. (I think that's not good) Basically I'm trying to verify that the partition (on reboot/shutdown) is being unmounted before its tmpfs mount point. Is there an easy way to verify this?

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NTP Service Running on Local Host does not Sync System Time
by Traiano Welcome 27 Jan '16

27 Jan '16

Hi List I have ntp running as a service on a PC, with the expectation that it would keep time in synch to my ntp server. However, while I can manually update the time using "ntpdate -u ...", I find that if I manually force the wrong time, the ntpd service does not automatically re-synch the system time with the ntp server: - Current time: [admin@lol ~]# date Wed Jan 27 10:54:21 AST 2016 - Force wrong time: [admin@lol ~]# date -s 09:29 Wed Jan 27 09:29:00 AST 2016 - Restart ntp service: [admin@lol ~]# service ntpd restart Shutting down ntpd: [ OK ] Starting ntpd: [ OK ] - Time not synched (even after about 10 minutes) [admin@lol ~]# date Wed Jan 27 09:35:52 AST 2016 - use ntpdate -u to force synch: [admin@lol ~]# ntpdate -u time.lol.com 27 Jan 11:02:28 ntpdate[18570]: step time server 172.16.100.13 offset 5154.859809 sec [osadmin@test-till ~]# [admin@lol ~]# date Wed Jan 27 11:03:09 AST 2016 I'm not sure if this is a configuration issue with ntp (ntp.conf looks fine, as well as /etc/sysconfig/ntpd.conf (pasted below). /etc/ntp.conf: restrict default nomodify notrap nopeer noquery restrict 127.0.0.1 restrict ::1 server time.lol.com driftfile /var/lib/ntp/drift /etc/sysconfig/ntpd" # Drop root to id 'ntp:ntp' by default. OPTIONS="-x -u ntp:ntp -p /var/run/ntpd.pid" # Set to 'yes' to sync hw clock after successful ntpdate SYNC_HWCLOCK=yes # Additional options for ntpdate NTPDATE_OPTIONS="" --- Here are some diagnostic queries with ntpq: --- [admin@lol ~]# ntpq -pcrv remote refid st t when poll reach delay offset jitter ============================================================================== 10.1.0.111 xxx.xx.xx.x 2 u 26 64 1 3.618 6018473 0.001 associd=0 status=c012 leap_alarm, sync_unspec, 1 event, freq_set, version="ntpd 4.2.6p5(a)1.2349-o Sat Nov 23 18:20:11 UTC 2013 (1)", processor="i686", system="Linux/2.6.32-504.1.3.el6.i686", leap=11, stratum=16, precision=-20, rootdelay=0.000, rootdisp=0.405, refid=INIT, reftime=00000000.00000000 Thu, Feb 7 2036 9:28:16.000, clock=da52e461.90fabbc4 Wed, Jan 27 2016 9:38:25.566, peer=0, tc=3, mintc=3, offset=0.000, frequency=356.208, sys_jitter=0.000, clk_jitter=0.001, clk_wander=0.000 ---- What could be the issue? Any help would be appreciated. Here is the output from running the ntpd service in debug mode: --- [admin@lol ~]# ntpd -d ntpd 4.2.6p5(a)1.2349-o Sat Nov 23 18:20:11 UTC 2013 (1) 27 Jan 09:29:58 ntpd[18652]: proto: precision = 0.931 usec 27 Jan 09:29:58 ntpd[18652]: 0.0.0.0 c01d 0d kern kernel time sync enabled event at 0 0.0.0.0 c01d 0d kern kernel time sync enabled Finished Parsing!! 27 Jan 09:29:58 ntpd[18652]: ntp_io: estimated max descriptors: 1024, initial socket boundary: 16 27 Jan 09:29:58 ntpd[18652]: Listen and drop on 0 v4wildcard 0.0.0.0 UDP 123 27 Jan 09:29:58 ntpd[18652]: Listen and drop on 1 v6wildcard :: UDP 123 27 Jan 09:29:58 ntpd[18652]: Listen normally on 2 lo 127.0.0.1 UDP 123 restrict: op 1 addr 127.0.0.1 mask 255.255.255.255 mflags 00003000 flags 00000001 27 Jan 09:29:58 ntpd[18652]: Listen normally on 3 eth 172.16.0.213 UDP 123 restrict: op 1 addr 172.16.0.213 mask 255.255.255.255 mflags 00003000 flags 00000001 27 Jan 09:29:58 ntpd[18652]: Listen normally on 4 lo ::1 UDP 123 restrict: op 1 addr ::1 mask ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff mflags 00003000 flags 00000001 27 Jan 09:29:58 ntpd[18652]: Listen normally on 5 eth fe80::3640:b5ff:fe90:104e UDP 123 restrict: op 1 addr fe80::3640:b5ff:fe90:104e mask ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff mflags 00003000 flags 00000001 27 Jan 09:29:58 ntpd[18652]: peers refreshed 27 Jan 09:29:58 ntpd[18652]: Listening on routing socket on fd #22 for interface updates restrict: op 1 addr 0.0.0.0 mask 0.0.0.0 mflags 00000000 flags 000001d0 restrict: op 1 addr :: mask 0.0.0.0 mflags 00000000 flags 000001d0 restrict: op 1 addr 127.0.0.1 mask 255.255.255.255 mflags 00000000 flags 00000000 restrict: op 1 addr ::1 mask ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff mflags 00000000 flags 00000000 key_expire: at 0 associd 17148 peer_clear: at 0 next 1 associd 17148 refid INIT event at 0 10.1.0.111 8011 81 mobilize assoc 17148 newpeer: 172.16.0.213->10.1.0.111 mode 3 vers 4 poll 6 10 flags 0x1 0x1 ttl 0 key 00000000 27 Jan 09:29:58 ntpd[18652]: 0.0.0.0 c016 06 restart event at 0 0.0.0.0 c016 06 restart 27 Jan 09:29:58 ntpd[18652]: 0.0.0.0 c012 02 freq_set kernel 356.208 PPM event at 0 0.0.0.0 c012 02 freq_set kernel 356.208 PPM transmit: at 1 172.16.0.213->10.1.0.111 mode 3 len 48 auth_agekeys: at 1 keys 1 expired 0 receive: at 1 172.16.0.213<-10.1.0.111 mode 4 len 48 event at 1 10.1.0.111 8024 84 reachable clock_filter: n 1 off 6018.651057 del 0.003849 dsp 7.945313 jit 0.000001 . . --- I'm tempted to stick an "ntpdate -u ..." in the crontab to force time-synch, but I don't see why that's needed if ntpd service should already be fulfilling that purpose. Many thanks in advance, Traiano

6 6

CentOS 7, man
by m.roth＠5-cent.us 27 Jan '16

27 Jan '16

This is... odd. >From my workstation, where I'm directly logged in, if I ssh to any CentOS 7 box, as myself, and try to run man, it fails. Example 1: man dd man: cannot write to /var/cache/man/cat1/dd.1.gz in catman mode dd. Example 2: man dd man: can't chmod (null): Bad address man: can't unlink (null): Bad address dd. In all cases, if I sudo -s to root, I have no trouble reading the manpage. In all cases I've tried, selinux is in permissive mode. >From one of these boxes: ls -laF /var/cache/man/ | more total 832 drwxr-xr-x. 38 root root 4096 Jan 27 07:52 ./ drwxr-xr-x. 9 root root 105 Dec 28 12:42 ../ -rw-r--r--. 1 root root 190 Dec 28 13:18 CACHEDIR.TAG drwxr-xr-x. 4 root root 62 Jan 27 07:52 ca/ drwxr-xr-x. 2 root root 20 Jan 27 11:27 cat1/ <...> But it's the same in CentOS 6. Clues? mark

2 2

Re: [CentOS] Intel Xorg driver for Intel HD graphics
by Jerry Geis 27 Jan '16

27 Jan '16

> i915.preliminary_hw_support=1 Adding this to the boot - does not make it work on straight 7.2 I saw information about this - but it is mentioned on the page I included that this was no longer needed with the files listed in the link. The kernel 4.4 installs and runs fine on the NUC5C. Its the xorg-server package that is is my issue. Everything else ran fine. The problem I'm trying to solve is getting the NUC 5C to run X on 7.2. I "realize" that is all newer hardware - but if its possible it's beneficial. I just need to figure out how to compile the X server it was giving an error. Thanks, Jerry

2 1

CD-Mount on CentOS-6.7
by James B. Byrne 27 Jan '16

27 Jan '16

When I load a blank cd into the optical drive on my CentOS-6.7 workstation I am not getting any window or visible mount action on my Gnome desktop. Formerly, when I mounted a writeable media in this drive on this host I would see a nautilus style file browser window open with inducements to add files. When I visit /mnt I see nothing: ll /mnt total 0 My fstab does not seem to have much to say either: cat /etc/fstab # # /etc/fstab # Created by anaconda on Mon Sep 24 12:57:28 2012 # # Accessible filesystems, by reference, are maintained under '/dev/disk' # See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info # /dev/mapper/vg_vhost04-lv_root / ext4 defaults 1 1 UUID=a9a7cc59-bd0c-4362-9ab6-f721e25df2f8 /boot ext4 defaults 1 2 /dev/mapper/vg_vhost04-lv_home /home ext4 defaults 1 2 /dev/mapper/vg_vhost04-lv_tmp /tmp ext4 defaults 1 2 /dev/mapper/vg_vhost04-lv_log /var/log ext4 defaults 1 2 /dev/mapper/vg_vhost04-lv_spool /var/spool ext4 defaults 1 2 /dev/mapper/vg_vhost04-lv_swap swap swap defaults 0 0 tmpfs /dev/shm tmpfs defaults 0 0 devpts /dev/pts devpts gid=5,mode=620 0 0 sysfs /sys sysfs defaults 0 0 proc /proc proc defaults 0 0 /dev/vg_vhost04/lv_data_disk_images /var/data/disk_images ext4 defaults 00 /dev/vg_vhost04/lv_home_byrnejb /home/byrnejb ext4 defaults 0 0 /dev/vg_vhost04/lv_var /var_new ext3 defaults 0 0 The hardware seems to be there: lshw . . . *-cdrom description: DVD-RAM writer product: DVD-RAM GH22NS30 vendor: HL-DT-ST physical id: 1 bus info: scsi@3:0.0.0 logical name: /dev/cdrom logical name: /dev/cdrw logical name: /dev/dvd logical name: /dev/dvdrw logical name: /dev/scd0 logical name: /dev/sr0 version: 1.01 capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram configuration: ansiversion=5 status=nodisc *-serial UNCLAIMED description: SMBus product: 82801JI (ICH10 Family) SMBus Controller vendor: Intel Corporation physical id: 1f.3 bus info: pci@0000:00:1f.3 version: 00 width: 64 bits clock: 33MHz configuration: latency=0 resources: memory:d0825800-d08258ff ioport:1180(size=32) . . . Now, I have not played with any of this stuff in quite some time and I used it late last year to cut CentOS-7 ISOs. So my question is: What has changed to cause this behaviour? Any ideas? -- *** e-Mail is NOT a SECURE channel *** Do NOT transmit sensitive data via e-Mail James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3

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