Discuss January 2013

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186 participants
158 discussions

sysctl -p at startup?
by Emmett Culley 09 Jan '13

09 Jan '13

I understand that the contents of /etc/sysctl.conf should be read and executed at system startup. However that never happens and I have to run sysctl -p after every reboot to get the settings I want. This is happening on every CentOS machine and VM I have. I can see in the startup scripts that "sysctl -e -p /etc/sysctl.conf >/dev/null 2>&1" is run at start up by the "apply_sysctl" function, yet the settings are never correct unless I run sysctl -p on the command line. Anybody know why that would be? I am running the latest updates on CentOS 6.3 Emmett

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nm-applet in gdm still possible?
by Darod Zyree 09 Jan '13

09 Jan '13

Greetings, Does anyone know if it is still possible to make use of the NetworkManager applet during a log on session? The reason why would be to have roaming users setup/manage (w)lan/vpn connections before logging in. Several searches hinted on either copying or linking /etc/xdg/autostart/nm-applet.desktop to /usr/share/gdm/autostart/LoginWindow but that has not worked thus far. Centos 6.3 NetworkManager Version : 0.8.1 GDM Version : 2.30.4 -- Regards, Darod Zyree

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network not accessible through bridged interface but traffic visible
by Doug Coats 09 Jan '13

09 Jan '13

I had a major HD failure and need to rebuild my host server and the virtual servers that resided on it. I am moving from CentOS 5.6 to CentOS 6.3. I am using the same configuration, as best as I can tell, that was working only hours ago on 5.6 but does not work on 6.3. My guest server can see network traffic on the bridged network device but I cannot seem to interact with it. Iptables turned off on both the host and guest makes no difference. *Host server settings that apply:* NetworkManager is off Network is on /etc/sysconfig/network NETWORKING=yes NETWORKING_IPV6=no HOSTNAME=host GATEWAY=192.168.4.1 /etc/resolv.conf search domain.com nameserver 68.87.xx.xx nameserver 68.87.xx.xx /etc/sysctl.conf net.ipv4.ip_forward = 1 net.bridge.bridge-nf-call-ip6tables = 0 net.bridge.bridge-nf-call-iptables = 0 net.bridge.bridge-nf-call-arptables = 0 /etc/sysconfig/network-scripts/ifcfg-em2 DEVICE=em2 NM_CONTROLLED=no BOOTPROTO=none HWADDR=... ONBOOT=yes HOTPLUG=no BRIDGE=br2 /etc/sysconfig/network-scripts/ifcfg-br2 DEVICE=br2 TYPE=Bridge BOOTPROTO=none ONBOOT=yes DELAY=0 /etc/sysconfig/network-scripts/ifcfg-em3 DEVICE=em3 NM_CONTROLLED=no BOOTPROTO=none HWADDR=... ONBOOT=yes HOTPLUG=no BRIDGE=br3 /etc/sysconfig/network-scripts/ifcfg-br3 DEVICE=br3 TYPE=Bridge BOOTPROTO=none ONBOOT=yes DELAY=0 On the host I connect to the network using a different nic ifcfg-em5. Which connects to the gateway server and the internet just fine. *The guest settings:* Virtual Network Interface Source Device: Host device vnet0 (Bridge 'br2') Device Model: virtio MAC Address: ... Virtual Network Interface Source Device: Host device vnet1 (Bridge 'br3') Device Model: virtio MAC Address: ... NetworkManager is off Network is on /etc/sysconfig/network NETWORKING=yes NETWORKING_IPV6=no HOSTNAME=host GATEWAY=192.168.4.1 /etc/resolv.conf search domain.com nameserver 68.87.xx.xx nameserver 68.87.xx.xx /etc/sysctl.conf net.ipv4.ip_forward = 1 net.bridge.bridge-nf-call-ip6tables = 0 net.bridge.bridge-nf-call-iptables = 0 net.bridge.bridge-nf-call-arptables = 0 /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE="eth0" BOOTPROTO="static" HWADDR=... NM_CONTROLLED="no" ONBOOT="yes" IPADDR=192.168.4.3 NETMASK=255.255.255.0 NETWORK=192.168.4.0 DNS1=68.87.XX.XX DNS2=68.87.XX.XX /etc/sysconfig/network-scripts/ifcfg-eth1 DEVICE="eth1" BOOTPROTO="static" HWADDR=... NM_CONTROLLED="no" ONBOOT="yes" IPADDR=192.168.6.1 NETMASK=255.255.255.0 NETWORK=192.168.6.0 #route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.6.0 * 255.255.255.0 U 0 0 0 eth1 192.168.5.0 otherserver 255.255.255.0 UG 0 0 0 eth0 192.168.4.0 * 255.255.255.0 U 0 0 0 eth0 192.168.1.0 anotherserver 255.255.255.0 UG 0 0 0 eth0 link-local * 255.255.0.0 U 1002 0 0 eth0 link-local * 255.255.0.0 U 1003 0 0 eth1 default gatewayserver 0.0.0.0 UG 0 0 0 eth0 This is the most bizarre thing. I can see the nic traffic on the guest with a tcpdump but I cannot interact with the traffic. # traceroute 192.168.4.1 traceroute to 192.168.4.1 (192.168.4.1), 30 hops max, 60 byte packets 1 guestserver (192.168.4.3) 3000.636ms !H 3000.633ms !H 3000.628 ms !H Any fresh ideas and insights are greatly appreciated! Thanks!

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CentOS-announce Digest, Vol 95, Issue 3
by centos-announce-request＠centos.org 09 Jan '13

09 Jan '13

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After performing a reboot in VM (Virtualbox), log user on gnome not display the desktop.
by Rudinei Dias 09 Jan '13

09 Jan '13

After performing a reboot in VM (Virtualbox) which had been stopped, the User logs in but does not display the desktop leaving only the background image. The services are all active, can access and use the VM via ssh, but the Desktop died. I do not know where to begin to solve this problem. Any idea? Thanks ------------------------------------------------------------- Rudinei Dias

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Cloud freeware suggestion
by MOKRANI Rachid 09 Jan '13

09 Jan '13

Hi, Is someone has some experience with a nice freeware tool like "DropBox" that I can use on CentOS apache server. I see owncloud, it's a nice tool that I can use with my AD server. Some experience with other freeware tool ? Regards. __________________________ Avant d'imprimer, pensez à l'environnement ! Please consider the environment before printing ! Ce message et toutes ses pièces jointes sont confidentiels et établis à l'intention exclusive de ses destinataires. Toute utilisation non conforme à sa destination, toute diffusion ou toute publication, totale ou partielle, est interdite, sauf autorisation expresse. IFP Energies nouvelles décline toute responsabilité au titre de ce message. This message and any attachments are confidential and intended solely for the addressees. Any unauthorised use or dissemination is prohibited. IFP Energies nouvelles should not be liable for this message. __________________________

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video capture
by Mark LaPierre 09 Jan '13

09 Jan '13

Hey all, I'm looking for a application that I can use to capture video from a USB web camera. I have Cheese Webcam Booth 2.28.1 installed but it leaves a lot to be desired in the video capture field. Things like actually working. It does an adequate job of snagging a batch of single images in burst mode. Any suggestions? -- _ °v° /(_)\ ^ ^ Mark LaPierre Registerd Linux user No #267004 https://linuxcounter.net/ ****

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CentOS 6.3 as Firewall/Router
by Tim Evans 08 Jan '13

08 Jan '13

I'm replacing an ancient Solaris 'ipf' firewall/router with a brand new CentOS 6.3 system. In the olden days, I successfully used the attached iptables script (as /etc/rc.local) on Red Hat 5.x systems, but this doesn't seem to be quite working on the new system. Specifically, while it seems to be routing ok, you cannot connect to anything on the inside net (e.g., with ssh or a browser) and cannot connect to the system with ssh or anything else from elsewhere on the inside net. Yet arp shows this system active. Is there obsolete stuff here, and/or anything missing that would cause this? Thanks. -- Tim Evans | 5 Chestnut Court UNIX System Admin Consulting | Owings Mills, MD 21117 http://www.tkevans.com/ | 443-394-3864 http://www.come-here.com/News/ | tkevans(a)tkevans.com

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CentOS-announce Digest, Vol 95, Issue 2
by centos-announce-request＠centos.org 08 Jan '13

08 Jan '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. CEBA-2013:0136 CentOS 5 bind Update (Johnny Hughes) 2. CEBA-2013:0138 CentOS 6 biosdevname Update (Johnny Hughes) 3. CEBA-2013:0137 CentOS 6 tomcat6 Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Mon, 7 Jan 2013 13:22:14 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2013:0136 CentOS 5 bind Update To: centos-announce(a)centos.org Message-ID: <20130107132214.GA32377(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2013:0136 Upstream details at : https://rhn.redhat.com/errata/RHBA-2013-0136.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 40fac2e993877328c566ba57246c33b0b9bbcd29a08c7e405ed903c171b3c992 bind-9.3.6-20.P1.el5_8.6.i386.rpm 73379d4dfff47de2d8cc6dfae0e713bc3727708b76f62966775eb67fd9f4efb4 bind-chroot-9.3.6-20.P1.el5_8.6.i386.rpm 11719a1f759e5d98f700f0bd314705956736c3cab0f360c8ecd6bf4a3ca4b001 bind-devel-9.3.6-20.P1.el5_8.6.i386.rpm 2cf1694633dc8503ec601fdf3e7cbdd25c33c3a7d8f3e8a81b5e1d23d8118bc3 bind-libbind-devel-9.3.6-20.P1.el5_8.6.i386.rpm d260b2ba92cf06e58e79509225ad399b4714c321ad496776c913883c0ac09149 bind-libs-9.3.6-20.P1.el5_8.6.i386.rpm 7f1b9e543953776fabc3a3e34ee39e25491bf1b03f389b94c4a51fb9e8717e8a bind-sdb-9.3.6-20.P1.el5_8.6.i386.rpm ccc82d4d8ee1d7bb9282d2da2ed8838a3cba2086c8973506b7814384e6dcb856 bind-utils-9.3.6-20.P1.el5_8.6.i386.rpm 8592a57047db340f21695c6a722181cde81874e27122723844e4a28c2ab99ed3 caching-nameserver-9.3.6-20.P1.el5_8.6.i386.rpm x86_64: 562b9850da0301d447399dc544af3d261ea2cc63e9127ba6f17452796c05026a bind-9.3.6-20.P1.el5_8.6.x86_64.rpm f47c35cc148a9768e694652266e954b5b6ef4553f0618997a8d1423569076fcd bind-chroot-9.3.6-20.P1.el5_8.6.x86_64.rpm 11719a1f759e5d98f700f0bd314705956736c3cab0f360c8ecd6bf4a3ca4b001 bind-devel-9.3.6-20.P1.el5_8.6.i386.rpm 259dbd28bb991d3226d2cc33dc8a1e4f324d9a8e2413f902454587d6f136de18 bind-devel-9.3.6-20.P1.el5_8.6.x86_64.rpm 2cf1694633dc8503ec601fdf3e7cbdd25c33c3a7d8f3e8a81b5e1d23d8118bc3 bind-libbind-devel-9.3.6-20.P1.el5_8.6.i386.rpm a8e43752999deaa5eafef084588c13e5af88477300a2d40dc1a70efa45003030 bind-libbind-devel-9.3.6-20.P1.el5_8.6.x86_64.rpm d260b2ba92cf06e58e79509225ad399b4714c321ad496776c913883c0ac09149 bind-libs-9.3.6-20.P1.el5_8.6.i386.rpm 1f4a495fa32bf2df56f3246862b9137584b70147184e788433a9bda8c97c1202 bind-libs-9.3.6-20.P1.el5_8.6.x86_64.rpm dbce5f540a23e60d9a4983750a9b71ceaf1e83e69c46dd03a5289d3acea3c8ed bind-sdb-9.3.6-20.P1.el5_8.6.x86_64.rpm 82e8317a5c423be7d3f9fa6062aeeab5ce3bbf17c58b6be680eeb4d15337b14f bind-utils-9.3.6-20.P1.el5_8.6.x86_64.rpm d5b94ab5961f2f8e5e3eebf385d306d5a222d7857940e2cf94d324fd5c715711 caching-nameserver-9.3.6-20.P1.el5_8.6.x86_64.rpm Source: be82b584aa7f04cfca033bb0c7f312d032934f4931f51ac1793dbf79bd2ed1a3 bind-9.3.6-20.P1.el5_8.6.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Mon, 7 Jan 2013 17:10:09 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2013:0138 CentOS 6 biosdevname Update To: centos-announce(a)centos.org Message-ID: <20130107171009.GA11794(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2013:0138 Upstream details at : https://rhn.redhat.com/errata/RHBA-2013-0138.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: ca57b7da61afdaabffd43fb0ee319e16586ff0c40a1bbad1ea229eeba0c311ed biosdevname-0.3.11-1.el6_3.1.i686.rpm x86_64: fd1bd265033694aa12264416e6836f950cb004e08ef82293db850ef3ded3880f biosdevname-0.3.11-1.el6_3.1.x86_64.rpm Source: a4cb2eebd0c298bac1d173eddab9c746c9bc228d17f93c2a3921209bf489f44b biosdevname-0.3.11-1.el6_3.1.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 3 Date: Mon, 7 Jan 2013 17:10:21 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2013:0137 CentOS 6 tomcat6 Update To: centos-announce(a)centos.org Message-ID: <20130107171021.GA11955(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2013:0137 Upstream details at : https://rhn.redhat.com/errata/RHBA-2013-0137.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 19f46f7cb3322fb154e89660a8ea3dcf821d3f19f83056498ec5ec5b07da87c6 tomcat6-6.0.24-48.el6_3.noarch.rpm 792b710dadb4cbb005682a6f4df394f0408fac75e5003417bca245c60bca12f8 tomcat6-admin-webapps-6.0.24-48.el6_3.noarch.rpm fc69216cbde615ec6a89d7fd791bf8f40f2ed0365756a7068269bb1db2b03fad tomcat6-docs-webapp-6.0.24-48.el6_3.noarch.rpm e2782440204506f631e347ce5566b2b0f25a56621d23a3cde7e332d1c83eb29e tomcat6-el-2.1-api-6.0.24-48.el6_3.noarch.rpm b2fd68cf9558e3c657d03ba3734bc9462f916b9e0a5539745966d16c504f1474 tomcat6-javadoc-6.0.24-48.el6_3.noarch.rpm a8b7769c604b7d7f73023a5e8ae2cafb7713b229deb1ed1d8039685c94ac830e tomcat6-jsp-2.1-api-6.0.24-48.el6_3.noarch.rpm a965c3f30b9309f732bd711b6311b4f67748958fc329c70c6e0973fde8f07084 tomcat6-lib-6.0.24-48.el6_3.noarch.rpm 898f2db4bfb4825672dc3395612fb7514a8af96b3fd360a9be79efaa7beb54c3 tomcat6-servlet-2.5-api-6.0.24-48.el6_3.noarch.rpm 88f6cfa69cd0fcf1d27f2b894182b4f13cca4f9c3cc24feb58ad7d7173b0e8c3 tomcat6-webapps-6.0.24-48.el6_3.noarch.rpm x86_64: 19f46f7cb3322fb154e89660a8ea3dcf821d3f19f83056498ec5ec5b07da87c6 tomcat6-6.0.24-48.el6_3.noarch.rpm 792b710dadb4cbb005682a6f4df394f0408fac75e5003417bca245c60bca12f8 tomcat6-admin-webapps-6.0.24-48.el6_3.noarch.rpm fc69216cbde615ec6a89d7fd791bf8f40f2ed0365756a7068269bb1db2b03fad tomcat6-docs-webapp-6.0.24-48.el6_3.noarch.rpm e2782440204506f631e347ce5566b2b0f25a56621d23a3cde7e332d1c83eb29e tomcat6-el-2.1-api-6.0.24-48.el6_3.noarch.rpm b2fd68cf9558e3c657d03ba3734bc9462f916b9e0a5539745966d16c504f1474 tomcat6-javadoc-6.0.24-48.el6_3.noarch.rpm a8b7769c604b7d7f73023a5e8ae2cafb7713b229deb1ed1d8039685c94ac830e tomcat6-jsp-2.1-api-6.0.24-48.el6_3.noarch.rpm a965c3f30b9309f732bd711b6311b4f67748958fc329c70c6e0973fde8f07084 tomcat6-lib-6.0.24-48.el6_3.noarch.rpm 898f2db4bfb4825672dc3395612fb7514a8af96b3fd360a9be79efaa7beb54c3 tomcat6-servlet-2.5-api-6.0.24-48.el6_3.noarch.rpm 88f6cfa69cd0fcf1d27f2b894182b4f13cca4f9c3cc24feb58ad7d7173b0e8c3 tomcat6-webapps-6.0.24-48.el6_3.noarch.rpm Source: 5d9fd4691d754158443d9dfbf3a5377dcdd66d6249e7fc56d5f4fb504fb2a5f8 tomcat6-6.0.24-48.el6_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 95, Issue 2 **********************************************

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Re: [CentOS] rsync and selinux
by James B. Byrne 08 Jan '13

08 Jan '13

On Mon, January 7, 2013 06:59, lhecking(a)users.sourceforge.net wrote: > I'm trying to use rysnc to back up some directories on a CentOS6 > machine that uses selinux in enforcing mode. Most files didn't > transfer, so I tried the example from rsync_selinux(8): > > Allow rsync servers to read the /var/rsync directory by adding > the pub- > lic_content_t file type to the directory and by restoring > the file > type. > > semanage fcontext -a -t public_content_t "/var/rsync(/.*)?" > restorecon -F -R -v /var/rsync > > except I substituted /etc for /var/rsync. > > Big mistake. Most or all services with config files under /etc could > no longer read their config files, including ssh. It looks like the > selinux type was substituted rather than added? Thankfully, I was > able to recover. > > What is the correct way to give rsync full access to everything under > selinux? > I use rsync extensively to transfer entire systems from and to SElinux enforcing environments and have never had a problem with reads using rsync when logged on as the root user. My typical command line is some variation of the following: /usr/bin/rsync -avX --delete-after --specials --times \ --exclude-from=/root/rsync.d/exclude.list \ 192.168.216.29:/* /. Are you connecting as the root user? -- *** E-Mail is NOT a SECURE channel *** 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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Discuss January 2013