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Xen4CentOS on Centos7?
by Dustin Kempter 22 May '15

22 May '15

Hi all, Looking to move from VMware to Xen4CentOS. We currently run Centos7 as our servers main distort. All the documentation I’ve found on the Xen4CentOS only refers to Centos6. Do any of you know if it currently or is being developed to work with Centos7? thanks in advance

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help please , How SYN and ACK packets counted by the server(centos)
by Ibrahim Celikbilek 22 May '15

22 May '15

I have a question about tcp layer of linux kernel. I want, Syn and ack packages received to server will be counted. [image: enter image description here] where total_syn_count and total_ack_count are variables to be defined and will be increased Which files to be used ???? tcp_input.c ,tcp_output.c , tcp_ipv4.c

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CentOS-announce Digest, Vol 123, Issue 8
by centos-announce-request＠centos.org 22 May '15

22 May '15

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://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. CEBA-2015:1019 CentOS 6 fence-agents BugFix Update (Johnny Hughes) 2. CEBA-2015:1018 CentOS 6 lvm2 BugFix Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Wed, 20 May 2015 12:58:09 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CEBA-2015:1019 CentOS 6 fence-agents BugFix Update Message-ID: <20150520125809.GA58210(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2015:1019 Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1019.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 4ad03d85c413e46805537c6aeadf30d0f6a4aa8f93ee6c862001da78dc1d532e fence-agents-3.1.5-48.el6_6.3.i686.rpm x86_64: 0215191635e029610501a36e6c0f6e3b9102d6a5c41cfb02067c72e2ecf26353 fence-agents-3.1.5-48.el6_6.3.x86_64.rpm Source: 98a416079169617bcb5a7b4846c3d19f1ebd8f81b51a59ae3ce26e2ba0692f12 fence-agents-3.1.5-48.el6_6.3.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Wed, 20 May 2015 12:58:39 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CEBA-2015:1018 CentOS 6 lvm2 BugFix Update Message-ID: <20150520125839.GA58386(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2015:1018 Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1018.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 9725e0eac57cba6f6d379875d41d3cf6abe119b2dd66578ca69029ee60ef8fdd cmirror-2.02.111-2.el6_6.3.i686.rpm 782202a3cbd3ce78ebde911b41a12fd84e4d75167c1e763e491ebdb285916d4d device-mapper-1.02.90-2.el6_6.3.i686.rpm 031decff2e7094acfd6ea8b6799e7ee0a9b34bbd1ce34fa6cd714f224c4664d0 device-mapper-devel-1.02.90-2.el6_6.3.i686.rpm e94443eefd701d40f44220993f324d928bc1d2de7a8821766bfa4d07d5eb8411 device-mapper-event-1.02.90-2.el6_6.3.i686.rpm 9eda90c40dc95a4cc7eccdee7333d46c840f3c4ada11d24e0f9039ca746d943b device-mapper-event-devel-1.02.90-2.el6_6.3.i686.rpm e54bdab54ee0e5e1f4603d306334a20832c0a2458a5946721f97217ed1f7b7bf device-mapper-event-libs-1.02.90-2.el6_6.3.i686.rpm c0917aa9b552011aa738feabbde0ef657216574c67bca32b83602ebaa5a1d03c device-mapper-libs-1.02.90-2.el6_6.3.i686.rpm 22caaf73874d2dec1ddbf2438dd893970f0c5a6d4856e815c80edb4faf0d9a9e lvm2-2.02.111-2.el6_6.3.i686.rpm 6715717aca82768f762d271d6ce34537aabcb0379f3560adb2403e5837f04f7e lvm2-cluster-2.02.111-2.el6_6.3.i686.rpm d57f8d545428c37acfd0a22bdeae010fb817f962a43789a50e476c08f04edbdc lvm2-devel-2.02.111-2.el6_6.3.i686.rpm edbf4b48a2ec41c80bdaea8fd538345d64739f94f2839c7f309a280c71391f3f lvm2-libs-2.02.111-2.el6_6.3.i686.rpm x86_64: 931bd87349d03b6e556a3984b84380039aabd5cdd4930c05f2e1ae1b15a98ccc cmirror-2.02.111-2.el6_6.3.x86_64.rpm dab31e189ecda89e1e5a49b9389b6ae2a2923544d7211b6ce237fe1da22a557f device-mapper-1.02.90-2.el6_6.3.x86_64.rpm 031decff2e7094acfd6ea8b6799e7ee0a9b34bbd1ce34fa6cd714f224c4664d0 device-mapper-devel-1.02.90-2.el6_6.3.i686.rpm b29b363f5612cbf200272d584b38fae90c39710b8e5e347f0fba1d2715fb1c4a device-mapper-devel-1.02.90-2.el6_6.3.x86_64.rpm ee83fbec92dc83b9b74f5b5b2caa1f6ced86bd15f300d5b3f96223b2fd6db800 device-mapper-event-1.02.90-2.el6_6.3.x86_64.rpm 9eda90c40dc95a4cc7eccdee7333d46c840f3c4ada11d24e0f9039ca746d943b device-mapper-event-devel-1.02.90-2.el6_6.3.i686.rpm 8cb632b97a850b7e0c85e5b5cca2d15395eda0196b756bab6d84e9b703b468b6 device-mapper-event-devel-1.02.90-2.el6_6.3.x86_64.rpm e54bdab54ee0e5e1f4603d306334a20832c0a2458a5946721f97217ed1f7b7bf device-mapper-event-libs-1.02.90-2.el6_6.3.i686.rpm 84094500064f3f1babc328b56aa686f3f9c6fd85e7acfa4ab1b3ad4347384850 device-mapper-event-libs-1.02.90-2.el6_6.3.x86_64.rpm c0917aa9b552011aa738feabbde0ef657216574c67bca32b83602ebaa5a1d03c device-mapper-libs-1.02.90-2.el6_6.3.i686.rpm 80800c7333266cc27a9773efadb728856d63793b49d50efdfe2ad1f69092940f device-mapper-libs-1.02.90-2.el6_6.3.x86_64.rpm 13e50eb2a16ee307d29133bc480dfbbe204becf6b2bfc7b06d3c10006e9aa006 lvm2-2.02.111-2.el6_6.3.x86_64.rpm 928b1edb81e5b8ec3e70ee1ca2cef0addd6578caa74c520cd6cc1da669fa03cb lvm2-cluster-2.02.111-2.el6_6.3.x86_64.rpm d57f8d545428c37acfd0a22bdeae010fb817f962a43789a50e476c08f04edbdc lvm2-devel-2.02.111-2.el6_6.3.i686.rpm 246aa52a8329a2099bb51a44aad8b7fdceb11ce626d1a2c6739ab1ff002ab18a lvm2-devel-2.02.111-2.el6_6.3.x86_64.rpm edbf4b48a2ec41c80bdaea8fd538345d64739f94f2839c7f309a280c71391f3f lvm2-libs-2.02.111-2.el6_6.3.i686.rpm f4800a90ae01cdedf8fc815195024bed0a1f2d99f68993e34da4ffcc1ffc797a lvm2-libs-2.02.111-2.el6_6.3.x86_64.rpm Source: e61c53b478939ce5f93bebf5172f1ee2bf01555f85ee157077589526eb58d472 lvm2-2.02.111-2.el6_6.3.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org http://lists.centos.org/mailman/listinfo/centos-announce End of CentOS-announce Digest, Vol 123, Issue 8 ***********************************************

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Re: [CentOS] Centos 6.6 Can't connect to local MySQL server through socket /var/lib/MySQL/MySQL.sock (error 2002)‏
by Richard 21 May '15

21 May '15

------------ Original Message ------------ > Date: Thursday, May 21, 2015 09:43:24 PM +0100 > From: Graham Wilman <gwillman(a)hotmail.co.uk> > > Hi > > Total newby to centos I am currently assisting a community radio > station set up in the Uk we are using a server based system for > our playout software, unfortunately at the moment one of our > client servers is experience the above error I came across the > error on our main server a few weeks ago and found the solution > just by reinstalling the MySQL db but I have tried to deploy the > same fix on our client server otherwise known as studio-b client > but unfortunately this has not solved the problem any assistance > with this would be very much appreciated. > All the best > Graham Wilman When you get this error have you confirmed that mysqld is actually running, e.g., with a "ps"? What is the output from: /etc/rc.d/init.d/mysqld status Normally the socket file is: /var/lib/mysql/mysql.sock (note the capitalization). If mysql is running, check the name (including capitalization) of the socket directory/file. If it's (the standard) lowercase, then check the client software configuration to see if there's something pointing to the mixed-case form that your error is showing. [The default location for the mysql configuration file is /etc/my.cnf, but it can be in other locations.] - Richard

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I Have Multiple Ips But Can Only Telnet to One Interface. Not the subinterface. How to Fix?
by Mike McKoy 21 May '15

21 May '15

Hi guys, I have multiple IPs bound to my Centos 6.6 box but I can only telnet to one IP. Any ideas on what to do? I've searched the internet so far with every keyword I can think of to no avail. I can see that postfix is only listening on the first IP and to localhost. The IP I cannot smtp to is on ETH0:1. I can access it via port 80 (web traffic) but the connection is refused if i try to telnet. [image: :shock:] The domain I can telenet to is mymodeltalk.com The domain I cannot telenet to is inform.mymodeltalk.com I have posted my current IP Tables rules, netstat, ifconfig -a, and route -n. I have SElinux set to permissive. [root@mail1 log]# netstat -plnt |grep :25 tcp 0 0 172.30.1.113:25 0.0.0.0:* LISTEN 18800/master tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 18800/master [root@mail1 log]# iptables -S -P INPUT ACCEPT -P FORWARD ACCEPT -P OUTPUT ACCEPT -A INPUT -p tcp -m tcp --dport 80 -j ACCEPT -A INPUT -p tcp -m tcp --dport 587 -j ACCEPT -A INPUT -p tcp -m tcp --dport 110 -j ACCEPT -A INPUT -p tcp -m tcp --dport 143 -j ACCEPT -A INPUT -p tcp -m tcp --dport 993 -j ACCEPT -A INPUT -p tcp -m tcp --dport 995 -j ACCEPT -A INPUT -p tcp -m tcp --dport 22 -j ACCEPT -A INPUT -p tcp -m tcp --dport 25 -j ACCEPT -A OUTPUT -p tcp -m tcp --dport 25 -j ACCEPT -A OUTPUT -p tcp -m tcp --dport 80 -j ACCEPT -A OUTPUT -p tcp -m tcp --dport 587 -j ACCEPT -A OUTPUT -p tcp -m tcp --dport 9292 -j ACCEPT -A OUTPUT -p tcp -m tcp --dport 110 -j ACCEPT -A OUTPUT -p tcp -m tcp --dport 143 -j ACCEPT -A OUTPUT -p tcp -m tcp --dport 22 -j ACCEPT -A OUTPUT -p tcp -m tcp --dport 25 -j ACCEPT [root@mail1 log]# ifconfig -a eth0 Link encap:Ethernet HWaddr 0A:28:21:76:97:85 inet addr:172.30.1.113 Bcast:172.30.1.255 Mask:255.255.255.0 inet6 addr: fe80::828:21ff:fe76:9785/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:9001 Metric:1 RX packets:793739006 errors:0 dropped:0 overruns:0 frame:0 TX packets:480841833 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:937438761212 (873.0 GiB) TX bytes:136066252190 (126.7 GiB) Interrupt:18 eth0:1 Link encap:Ethernet HWaddr 0A:28:21:76:97:85 inet addr:172.30.1.65 Bcast:172.30.1.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:9001 Metric:1 Interrupt:18 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:369804 errors:0 dropped:0 overruns:0 frame:0 TX packets:369804 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:207298477 (197.6 MiB) TX bytes:207298477 (197.6 MiB) [root@mail1 log]# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 172.30.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 1002 0 0 eth0 0.0.0.0 172.30.1.1 0.0.0.0 UG 0 0 0 eth0 -- Mike McKoy *404.590.7176* http://MyForeverHair.com http://www.MyModelTalk.com http://InCrowdUSA.net http://www.google.com/profiles/mikemckoy

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https everywhere.
by James B. Byrne 20 May '15

20 May '15

What are the plans for the CentOS repos with respect to authentication and https everywhere? At the moment it is a trivial exercise to perform a MTM attack during a yum update over http. -- *** 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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CentOS-announce Digest, Vol 123, Issue 7
by centos-announce-request＠centos.org 20 May '15

20 May '15

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://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-2015:1012 Important CentOS 6 thunderbird Security Update (Johnny Hughes) 2. CESA-2015:1012 Important CentOS 5 thunderbird Security Update (Johnny Hughes) 3. CEBA-2015:1016 CentOS 6 bind BugFix Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Mon, 18 May 2015 15:37:40 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2015:1012 Important CentOS 6 thunderbird Security Update Message-ID: <20150518153740.GA47877(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2015:1012 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2015-1012.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: bbfcda22cd70fbc5dfef4f55ae0805ec17600184187cb6772b84d2ac4488062a thunderbird-31.7.0-1.el6.centos.i686.rpm x86_64: 345eafa65b4ec7f43cbecd3b574eddaf68ec5c6e8dd6f36c7e5d86f5718b20f9 thunderbird-31.7.0-1.el6.centos.x86_64.rpm Source: c00e1249fd68b76040de3d1d55e5defd32aef185e64be05469ddc6b765f2ee36 thunderbird-31.7.0-1.el6.centos.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Tue, 19 May 2015 12:52:56 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2015:1012 Important CentOS 5 thunderbird Security Update Message-ID: <20150519125256.GA27606(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2015:1012 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2015-1012.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 017951e5e03b5565f74f4496298b8b7c9d231fd6011ba112f1ec81b755d24c90 thunderbird-31.7.0-1.el5.centos.i386.rpm x86_64: fb96c7d30dcefe60c58b718edac792610fa818b7705f2659e41c464a7e097087 thunderbird-31.7.0-1.el5.centos.x86_64.rpm Source: 888bd17093cc65b0327c0c3d319585babde93413e4824866335d0c234abdcfea thunderbird-31.7.0-1.el5.centos.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 3 Date: Tue, 19 May 2015 13:37:28 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CEBA-2015:1016 CentOS 6 bind BugFix Update Message-ID: <20150519133728.GA19634(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2015:1016 Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1016.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 21796f7651ea8edf0abcc5e18eea10e7f8dcdf5e1370b7f9c57e7f28794861fe bind-9.8.2-0.30.rc1.el6_6.3.i686.rpm fd99c7e076ebd7dca6c22cd30839eaf38ff922a605757a3137ef7b2b6d0f09c4 bind-chroot-9.8.2-0.30.rc1.el6_6.3.i686.rpm 65da55142c1c84308b48756f4638072fc68cdfd617fe96aff5d102e1e63757e8 bind-devel-9.8.2-0.30.rc1.el6_6.3.i686.rpm dc1162f7e79cbecc4bc738dc4afd188a507a01f9125820a7b140c8b88aaa41ee bind-libs-9.8.2-0.30.rc1.el6_6.3.i686.rpm a39e40e6018b0a9e2516e1f4183745d9e07612a0efe7e7a75f79e51e672aaed6 bind-sdb-9.8.2-0.30.rc1.el6_6.3.i686.rpm f14b7f9e8edddd5a4591a019a68cea4ac9ada5d0b0b90cf2907a8615e3ae6b20 bind-utils-9.8.2-0.30.rc1.el6_6.3.i686.rpm x86_64: 3460d7db849d92876eac3da4779697417077cef2623efd6154dc86cad3f24bed bind-9.8.2-0.30.rc1.el6_6.3.x86_64.rpm c505d86b72b6f7f48cca9166a28284cc42a05f325be0f298d958ae95679e4c78 bind-chroot-9.8.2-0.30.rc1.el6_6.3.x86_64.rpm 65da55142c1c84308b48756f4638072fc68cdfd617fe96aff5d102e1e63757e8 bind-devel-9.8.2-0.30.rc1.el6_6.3.i686.rpm 8120eaa006287cabad1979df69ad93175eb9b24f6a8e73ec6b8cf99f2a26226b bind-devel-9.8.2-0.30.rc1.el6_6.3.x86_64.rpm dc1162f7e79cbecc4bc738dc4afd188a507a01f9125820a7b140c8b88aaa41ee bind-libs-9.8.2-0.30.rc1.el6_6.3.i686.rpm 5e2afa5d1109347fdd64537ff125bc2df0721104dc796781e485b01ba202ca42 bind-libs-9.8.2-0.30.rc1.el6_6.3.x86_64.rpm 3ec3897f46363bd65be6f00798677fad0ac85af6be58362573d4d4d68926bc42 bind-sdb-9.8.2-0.30.rc1.el6_6.3.x86_64.rpm 05f7970ed69dd28d992985c03b5276b7683cd57c257879844be16e0f48c65a9b bind-utils-9.8.2-0.30.rc1.el6_6.3.x86_64.rpm Source: bf3ff6c38ea828be36cd5019f2aa8ce96aebd760b8b3b23ffeaddae089fcc872 bind-9.8.2-0.30.rc1.el6_6.3.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org http://lists.centos.org/mailman/listinfo/centos-announce End of CentOS-announce Digest, Vol 123, Issue 7 ***********************************************

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Turning off wifi in CentOS 7
by m.roth＠5-cent.us 20 May '15

20 May '15

Someone else got the 7 pxe install going, and one thing that's annoying is that NetworkMangler appears to be regularly trying to fire up the wifi. On a workstation, in a wired environment. I just want to tell NM to knock it off....It's Monday, and my searching isn't going too well. Clues for the poor? mark

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Upgrading to CentOS 7
by Timothy Murphy 19 May '15

19 May '15

I read in <http://wiki.centos.org/TipsAndTricks/CentOSUpgradeTool> "Warning: use of this tool is currently not recommended as several system- critical packages are of a higher version number in CentOS 6.6 than they are in CentOS 7 so those do not get upgraded correctly. This renders yum and several other system tools non-functional." Does this still hold? It seems to me a bit pointless to offer a tool with the warning that it does not work. -- Timothy Murphy gayleard /at/ eircom.net School of Mathematics, Trinity College, Dublin

5 6

mail with chnage "from address" not work on CentOS 6
by mcclnx mcc 19 May '15

19 May '15

We have CEntOS 6.3 on DELL server. WE try to use following mail command but failed. This command perfect work on CentOS 5.X. $ mail -s "test..." user1(a)sun.com -- -f NoReply(a)App.MD.gov test . EOT $ /home/app/oracle/dead.letter... Saved message in /home/app/oracle/dead.letter problem come from "-- -f NoReply(a)App.MD.gov". But it work correctly on CentOS 5.x. Anyone know how to fix it? Thanks

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