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IOMMU error at boot time
by Fred Smith 19 Oct '13

19 Oct '13

Hi all! I've just recently noticed these lines in the dmesg output: Please enable the IOMMU option in the BIOS setup This costs you 64 MB of RAM they may have been there forever, but I never noticed them before. This system is an AMD Phenom-II X2 CPU on a Gigabyte MA770-UD3 motherboard. I have no idea which BIOS option I need to change to solve this, I see nothing in the setup that refers to IOMMU. Clues, please? thanks! -- ------------------------------------------------------------------------------- .---- Fred Smith / ( /__ ,__. __ __ / __ : / / / / /__) / / /__) .+' Home: fredex(a)fcshome.stoneham.ma.us / / (__ (___ (__(_ (___ / :__ 781-438-5471 -------------------------------- Jude 1:24,25 ---------------------------------

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Re: [CentOS] [CentOS-announce] Release for CentOS-5.10 i386 and x86_64
by Yves Bellefeuille 19 Oct '13

19 Oct '13

On Saturday 19 October 2013, Johnny Hughes <johnny(a)centos.org> wrote: > We are pleased to announce the immediate availability of CentOS-5.10 > for i386 and x86_64 Architectures. I don't see torrents; will those come later? Thanks. -- Yves Bellefeuille <yan(a)storm.ca>

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CentOS-announce Digest, Vol 104, Issue 8
by centos-announce-request＠centos.org 18 Oct '13

18 Oct '13

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Firewall/Gateway Hardware Question
by Terre Porter 18 Oct '13

18 Oct '13

I've given up on getting the other machine to work so I'm looking at building a new one. The machine will be a firewall/gateway running NAT, Web Proxy with Dansguardian, DHCP, DNS, NTP and VPN (~6 clients). I read so much about VPN encryption and the processor needs, now I am unsure if this will work. I can get this for AMD FX-8120 Zambezi 3.1GHz Socket AM3+ 125W Eight-Core Desktop Processor for under $120 (it's on sale), would it work ? Any thoughts? Thanks, Terre

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Authenticating sudo with ipa.
by Andrew Holway 17 Oct '13

17 Oct '13

Hello, I have set up IPA on a private network and have hit some bumps configuring sudo access for the clients. kinit seems to work fine for both client and server, user and root. When I run sudo on the server I see the following in /var/log/messages: Oct 17 17:53:52 192-168-0-100 [sssd[krb5_child[29237]]]: Decrypt integrity check failed Oct 17 17:53:52 192-168-0-100 [sssd[krb5_child[29237]]]: Decrypt integrity check failed Thanks, Andrew ## I see the following in my clients /var/log/messages after starting sssd on the client. Oct 17 17:35:46 zabbix sssd: Starting up Oct 17 17:35:46 zabbix sssd[be[192-168-0-100.local]]: Starting up Oct 17 17:35:46 zabbix sssd[nss]: Starting up Oct 17 17:35:46 zabbix [sssd[ldap_child[6659]]]: Error processing keytab file [default]: Principal [host/192-168-0-100.local@LOCAL] was not found. Unable to create GSSAPI-encrypted LDAP connection. Oct 17 17:35:46 zabbix sssd[sudo]: Starting up Oct 17 17:35:46 zabbix sssd[ssh]: Starting up Oct 17 17:35:46 zabbix sssd[pac]: Starting up Oct 17 17:35:46 zabbix [sssd[ldap_child[6659]]]: Error writing to key table Oct 17 17:35:46 zabbix sssd[pam]: Starting up ## And the following when user "andrew" tries to sudo on the client. Oct 17 17:37:10 zabbix [sssd[ldap_child[6667]]]: Error processing keytab file [default]: Principal [host/192-168-0-100.local@LOCAL] was not found. Unable to create GSSAPI-encrypted LDAP connection. Oct 17 17:37:10 zabbix [sssd[ldap_child[6667]]]: Error writing to key table ## The user and sudo rules in ipa. [root@192-168-0-100 ~]# ipa sudorule-show add_sudo Rule name: add_sudo Enabled: TRUE Host category: all Command category: all RunAs User category: all RunAs Group category: all Users: andrew [root@192-168-0-100 ~]# ipa user-show andrew User login: andrew First name: Andrew Last name: Holway Home directory: /home/andrew Login shell: /bin/bash Email address: andrew(a)local.com UID: 1876600003 GID: 1876600003 Account disabled: False Password: True Member of groups: admins, ipausers, trust admins Member of Sudo rule: add_sudo Kerberos keys available: True SSH public key fingerprint: 35:08:9D:5E:F7:96:2A:FA:E4:60:76:4E:8A:12:FE:15 (ssh-dss) ## /etc/sssd/sssd.conf on the client [domain/192-168-0-100.local] cache_credentials = True krb5_store_password_if_offline = True krb5_realm = LOCAL ipa_domain = 192-168-0-100.local id_provider = ipa auth_provider = ipa access_provider = ipa ldap_tls_cacert = /etc/ipa/ca.crt ipa_hostname = 192-168-0-110.local chpass_provider = ipa ipa_server = _srv_, 192-168-0-100.local dns_discovery_domain = 192-168-0-100.local sudo_provider = ldap ldap_uri = ldap://192-168-0-100.local ldap_sudo_search_base = ou=sudoers,dc=local ldap_sasl_mech = GSSAPI ldap_sasl_authid = host/192-168-0-100.local@LOCAL ldap_sasl_realm = local krb5_server = 192-168-0-100.local [sssd] services = nss, pam, ssh, sudo config_file_version = 2 domains = 192-168-0-100.local [nss] [pam] [sudo] [autofs] [ssh] [pac] ## /etc/nsswitch.conf on client # # An example Name Service Switch config file. This file should be # sorted with the most-used services at the beginning. # # The entry '[NOTFOUND=return]' means that the search for an # entry should stop if the search in the previous entry turned # up nothing. Note that if the search failed due to some other reason # (like no NIS server responding) then the search continues with the # next entry. # # Valid entries include: # # nisplus Use NIS+ (NIS version 3) # nis Use NIS (NIS version 2), also called YP # dns Use DNS (Domain Name Service) # files Use the local files # db Use the local database (.db) files # compat Use NIS on compat mode # hesiod Use Hesiod for user lookups # [NOTFOUND=return] Stop searching if not found so far # # To use db, put the "db" in front of "files" for entries you want to be # looked up first in the databases # # Example: #passwd: db files nisplus nis #shadow: db files nisplus nis #group: db files nisplus nis passwd: files sss shadow: files sss group: files sss #hosts: db files nisplus nis dns hosts: files dns # Example - obey only what nisplus tells us... #services: nisplus [NOTFOUND=return] files #networks: nisplus [NOTFOUND=return] files #protocols: nisplus [NOTFOUND=return] files #rpc: nisplus [NOTFOUND=return] files #ethers: nisplus [NOTFOUND=return] files #netmasks: nisplus [NOTFOUND=return] files bootparams: nisplus [NOTFOUND=return] files ethers: files netmasks: files networks: files protocols: files rpc: files services: files sss netgroup: files sss publickey: nisplus automount: files aliases: files nisplus sudoers: files sss ## selinux SELinux status: disabled on both client and server ## /etc/krb5.conf on the client #File modified by ipa-client-install includedir /var/lib/sss/pubconf/krb5.include.d/ [libdefaults] default_realm = LOCAL dns_lookup_realm = false dns_lookup_kdc = false rdns = false ticket_lifetime = 24h forwardable = yes [realms] LOCAL = { kdc = 192-168-0-100.local:88 master_kdc = 192-168-0-100.local:88 admin_server = 192-168-0-100.local:749 default_domain = 192-168-0-100.local pkinit_anchors = FILE:/etc/ipa/ca.crt } [domain_realm] .192-168-0-100.local = LOCAL 192-168-0-100.local = LOCAL .local = LOCAL local = LOCAL

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CentOS-announce Digest, Vol 104, Issue 7
by centos-announce-request＠centos.org 17 Oct '13

17 Oct '13

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-2013:1426 Important CentOS 6 xorg-x11-server Update (Karanbir Singh) 2. CEEA-2013:1432 CentOS 6 tzdata Update (Karanbir Singh) 3. CEBA-2013:1431 CentOS 6 libqb Update (Karanbir Singh) ---------------------------------------------------------------------- Message: 1 Date: Wed, 16 Oct 2013 15:48:08 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CESA-2013:1426 Important CentOS 6 xorg-x11-server Update To: centos-announce(a)centos.org Message-ID: <20131016154808.GA53473(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2013:1426 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2013-1426.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 6317e0dcc71903e61bde63f964935c1450d5d062db164cb0e81b22de541bf812 xorg-x11-server-common-1.13.0-11.1.el6.centos.2.i686.rpm d04921946cdb13c0ea5feb7251d1c24d2aecbb624f036fdce8c0374eba0d86a0 xorg-x11-server-devel-1.13.0-11.1.el6.centos.2.i686.rpm 48487bcb570408b3d1cc642a0535049517ad52892c209ab41fdafd93397e113c xorg-x11-server-source-1.13.0-11.1.el6.centos.2.noarch.rpm e5fe9545be16a238baa7d16b18ab7f16289458ba4b7ba797eff2eaab09ecf724 xorg-x11-server-Xdmx-1.13.0-11.1.el6.centos.2.i686.rpm 3e8a42a23fbce843fcd5511380818d7fb774689946429b3621acaa6a67967f9c xorg-x11-server-Xephyr-1.13.0-11.1.el6.centos.2.i686.rpm 205a99c5964f2259973eecc6a30a1cd1b680b7d1327ac5d683a1bcd462c7a8e5 xorg-x11-server-Xnest-1.13.0-11.1.el6.centos.2.i686.rpm f9a55c9c71c5be2a4ba97c9902311011586f0cfb504142919d368a09bcc502c9 xorg-x11-server-Xorg-1.13.0-11.1.el6.centos.2.i686.rpm db3c50df03e713b0eb1d86e940f69744222dc7d54705fd31525eaddbe514967e xorg-x11-server-Xvfb-1.13.0-11.1.el6.centos.2.i686.rpm x86_64: 84b6dbe7b98af0c0a3603f1b7589869a2207b1e9d135101540ce91d672e540a8 xorg-x11-server-common-1.13.0-11.1.el6.centos.2.x86_64.rpm d04921946cdb13c0ea5feb7251d1c24d2aecbb624f036fdce8c0374eba0d86a0 xorg-x11-server-devel-1.13.0-11.1.el6.centos.2.i686.rpm 86ef0f5d130f16d06db7e4ed091845b13599c223f65429b3fad63de9a03046e9 xorg-x11-server-devel-1.13.0-11.1.el6.centos.2.x86_64.rpm 48487bcb570408b3d1cc642a0535049517ad52892c209ab41fdafd93397e113c xorg-x11-server-source-1.13.0-11.1.el6.centos.2.noarch.rpm d3f127c50ac44303d633457b70737986978a6db07cd90f5f3c259b6343d8d93d xorg-x11-server-Xdmx-1.13.0-11.1.el6.centos.2.x86_64.rpm 5ccfa85c6bf215a74b80e6f9a0510a001837ba2a65e6cb312ab21cab91b3b9b9 xorg-x11-server-Xephyr-1.13.0-11.1.el6.centos.2.x86_64.rpm b0db143f41cd7ac61aa7c91f8ce36252de2cad06f3a45c744aacc7803d01f59e xorg-x11-server-Xnest-1.13.0-11.1.el6.centos.2.x86_64.rpm 8aae885bc63ba92d8d656c5d20ed2add36d520af6b8e7feb3aeb4545433f045f xorg-x11-server-Xorg-1.13.0-11.1.el6.centos.2.x86_64.rpm 2028447c8ec5210ca97db791bf43468728887a1538e588350ed36fb4e13c711d xorg-x11-server-Xvfb-1.13.0-11.1.el6.centos.2.x86_64.rpm Source: ac222b687d19cfd7e90008add1141b6dabe5d264f787dc2f5c4207c700c50e74 xorg-x11-server-1.13.0-11.1.el6.centos.2.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Wed, 16 Oct 2013 18:33:26 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CEEA-2013:1432 CentOS 6 tzdata Update To: centos-announce(a)centos.org Message-ID: <20131016183326.GA13490(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Enhancement Advisory 2013:1432 Upstream details at : https://rhn.redhat.com/errata/RHEA-2013-1432.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 678b13393e47bf241bf872470658374ad45ef5f4f1b249e52153976a23f2d71c tzdata-2013g-1.el6.noarch.rpm 270e2570594f65f34ee8b6e2817c40416df74deda963f27e6632a7b1239a6f52 tzdata-java-2013g-1.el6.noarch.rpm x86_64: 678b13393e47bf241bf872470658374ad45ef5f4f1b249e52153976a23f2d71c tzdata-2013g-1.el6.noarch.rpm 270e2570594f65f34ee8b6e2817c40416df74deda963f27e6632a7b1239a6f52 tzdata-java-2013g-1.el6.noarch.rpm Source: 1b9c55358153e7376fe22c6737575bd5e371f03c74ca72b6763ad263f9aced41 tzdata-2013g-1.el6.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ Message: 3 Date: Wed, 16 Oct 2013 18:33:43 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CEBA-2013:1431 CentOS 6 libqb Update To: centos-announce(a)centos.org Message-ID: <20131016183343.GA13577(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2013:1431 Upstream details at : https://rhn.redhat.com/errata/RHBA-2013-1431.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 5eb4a10d4efa4534fbd82789b4889f5c269f8a7e06881a35d281cd6b3cb5977b libqb-0.16.0-1.el6_4.1.i686.rpm e6d21720ba6c4550cfef31ee54db163424093a667a09ab370e3b01846d2b6191 libqb-devel-0.16.0-1.el6_4.1.i686.rpm x86_64: 5eb4a10d4efa4534fbd82789b4889f5c269f8a7e06881a35d281cd6b3cb5977b libqb-0.16.0-1.el6_4.1.i686.rpm 1d841b4223c8447ca2e7b625f325fceb418279312ddedda503538b148c5fd202 libqb-0.16.0-1.el6_4.1.x86_64.rpm e6d21720ba6c4550cfef31ee54db163424093a667a09ab370e3b01846d2b6191 libqb-devel-0.16.0-1.el6_4.1.i686.rpm 63b9b6c9b6ac08977e51d1c8d52259fa6cd994c8c6de41ebd38a07082e7c4b26 libqb-devel-0.16.0-1.el6_4.1.x86_64.rpm Source: 30c1b6a72de6d5e267a2c9c91ed90505d3ea9adc592e8f68185006816bf337bc libqb-0.16.0-1.el6_4.1.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #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 104, Issue 7 ***********************************************

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New Install for 6to4 tunnel
by david 16 Oct '13

16 Oct '13

Folks It appears that Comcast is using 6to4 tunnelling on all new installs in Washington and Oregon. I am trying to install Centos 6 (latest), and nothing I do seems to work. My method is as follows: The Comcast modem is directly connected to the box. Insert the NetInstall disk and bootstrap. Select the URL method of install, and enable both IPV4 and IPV6. I know that if I enable IPV4 only, it fails. Network manager never manages to initialize the network. --------------- As a sanity test, I took a functioning Windows 7 laptop, plugged it into the Comcast Modem, and the connection came up and worked. I had both an IPV4 address (globally routable, likely dynamic) and an IPV6 address. I know therefore that the modem, and cable all work. --------------- Is Linux installable on such a network? It installs elegantly and effortlessly in an IPV4 environment. It appears that there will be a growing number of 6to4 tunnel environments as the world slowly moves to an IPV6-only protocol. Advice please? David

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How's 5.10 coming along?
by Leonard den Ottolander 16 Oct '13

16 Oct '13

Hello team, Just wondering how the build of 5.10 is coming along. Is there a resource that informs us on these matters? Thanks! Regards, Leonard. -- mount -t life -o ro /dev/dna /genetic/research

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Overheating on laptop as compared to RHEL
by Krishnan V 16 Oct '13

16 Oct '13

Hi, I have an acer 5738g laptop on which i tried out the centos6.4 live CD. The laptop feels noticable hotter and i check the temperature using something like cat /proc/acpi/thermal_zone/. The temperatures are around 57-60 degrees when the laptop is just idling, ie, just the desktop and the terminal window open. I install lm_sensors using yum and it installs successfully, but there is no noticable reduction in temperature. I have faced this same problem using different varities of gnu/linux distributions: slackware, lubuntu, mandriva and now centos. By a freak chance, i had a chance to run RHEL 5.4 and to my great surprise, the temperature at idling was 43, similar to Windows(which came as default). In fact, the temperature control by rhel was what made me think of trying centos. I tried the lm_sensors configuration on rhel and it was not even able to load the correct modules, yet the temperature control was better. Now, i am not sure if lmsensors are for detecting temperatures only but also for cotrolling temperature. I am also aware that this particular model is notorious for heating problems, and there are suggestions for cutting case for better air flow. However, i do not want to try this solution, but the temperature control by rhel gave me some hope! Posibly i am wrong. If anyone has a suggestion, or needs more information, pl. let me know. Thanks! Krishnan

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hung nfs mount
by Les Mikesell 16 Oct '13

16 Oct '13

What is the best approach when an nfs mount hangs on a client but the server is OK? I have mount options of: rw,bg,soft,intr,rsize=32768,wsize=32768 but whatever it did was not interruptable and would not shut down. There were some: Oct 15 09:08:32 dev-ngf-l-01 kernel: INFO: task gnome-settings-:19169 blocked for more than 120 seconds. Oct 15 09:08:32 dev-ngf-l-01 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. messages on the console and /var/log/messages. Is this a bug or there a way to avoid it? -- Les Mikesell lesmikesell(a)gmail.com

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