Discuss January 2012

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221 discussions

Re: [CentOS] Write to USB pendrives horribly slow
by m.roth＠5-cent.us 11 Jan '12

11 Jan '12

Blah, blah, blah, Being blocked again, still appears to be based on new content vs. included content. Which makes it very annoying when I want to include context for my response. blah, blah, blah, new content................. Hi, wwp, wwp wrote: > On Wed, 11 Jan 2012 16:31:43 +0100 Ljubomir Ljubojevic <office(a)plnet.rs> wrote: >> On 01/11/2012 08:45 AM, wwp wrote: >> > On Tue, 10 Jan 2012 08:57:14 -0800 (PST) John Doe<jdmls(a)yahoo.com> >> wrote: >> >> From: wwp<subscript(a)free.fr> >> >> >> >>> I wonder if some mount options aren't wrong with USB pendrives, see: >> >>> /dev/sdd1 on /media/monolith type vfat >> >>> (rw,nosuid,nodev,uhelper=udisks,shortname=mixed,dmask=0077,utf8=1,flush) my suspicion is about the flush option, which I find atypical here. <snip> > ehci_hcd does manage my devices (it's not a loadable module, apparently compiled in kernel instead), see for instance: > > kernel: usb 2-2: new high speed USB device using ehci_hcd and address 28 <snip> This may be a dumb question, but have you done an lsusb? I'd be curious - I know that on my brand new, as of a few months ago, Dell I have two kinds of USB ports, 1.1 and 2.0. We also have some 1.1 webcams... and some 1.0. See if your pen drive's in a slower port. mark

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Clustering solutions - mail, www, storage.
by Rafał Radecki 11 Jan '12

11 Jan '12

Hi all. I am currently working for a hosting provider in a 100+ linux hosts' environment. We have www, mail HA solutions, as storage we mainly use NFS at the moment. We are also using DRBD, Heartbeat, Corosync. I am now gathering info to make a cluster with: - two virtualization nodes (active master and passive slave); - two storage nodes (for vm files) used by mentioned virtualization nodes (also active/passive). For virtualization I am thinking to use OpenVZ or KVM. For storage NFS or iSCSI. Could you please share your experiences with these technologies? Which one would you use and why? Are there any good alternatives in CentOS? Thanks for the info, Rafal.

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EPEL not working ... is it just me?
by Alan McKay 11 Jan '12

11 Jan '12

This is very strange - has been happening the last few days. I just upgraded this system from 5.3 to 5.7 on Monday and the problem started some time after that (but not immediately because I know I used yum Monday evening after the upgrade) I get the following error from yum, but it goes away if I --disablerepo=epel The funny thing is that the listed xml file I can easily wget from this system. Also having the issue with other 5.7 systems that were upgraded from 5.3 several weeks ago and had been working fine since. I did some googling and found some things to try like "yum clean all" and I even deleted the rpm database based on advice from one site, and then rebuilt it from scratch. But nothing. [root@solexa-db varlog]# yum -y install hddtemp Loaded plugins: downloadonly, rhnplugin, security http://fedora.mirror.nexicom.net/epel/5/x86_64/repodata/repomd.xml: [Errno 4] IOError: <urlopen error (111, 'Connection refused')> Trying other mirror. Error: Cannot retrieve repository metadata (repomd.xml) for repository: epel. Please verify its path and try again -- “Don't eat anything you've ever seen advertised on TV” - Michael Pollan, author of "In Defense of Food"

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SELinux blocking cgi script from "writing to socket (httpd_t)"
by Bennett Haselton 11 Jan '12

11 Jan '12

Is this really supposed to get easier over time? :) Now my audit.log file shows that SELinux is blocking my cgi script, index.cgi (which is what's actually served when the user visits the front page of one of our proxy sites like sugarsurfer.com) from having '"read write" to socket (httpd_t)'. I have no idea what that means, except that I thought that cgi scripts were supposed to be able to write to stdout so that the web server could send the data via a socket connection to the end user's browser, so I don't know why a CGI script would be blocked from writing to a socket with security context httpd_t. The only clue that might narrow it down is the line "Target Objects socket [ udp_socket ]". The sockets that the cgi scripts usually send output to are of course tcp sockets, so why would it say udp? The only time one of my cgi scripts might use udp would be if it were doing a hostname lookup via dns, but the index.cgi script doesn't do that at any point. What would the pros do at this point? *** Summary: SELinux is preventing index.cgi (httpd_sys_script_t) "read write" to socket (httpd_t). Detailed Description: [SELinux is in permissive mode, the operation would have been denied but was permitted due to permissive mode.] SELinux denied access requested by index.cgi. It is not expected that this access is required by index.cgi and this access may signal an intrusion attempt. It is also possible that the specific version or configuration of the application is causing it to require additional access. Allowing Access: You can generate a local policy module to allow this access - see FAQ (http://fedora.redhat.com/docs/selinux-faq-fc5/#id2961385) Or you can disable SELinux protection altogether. Disabling SELinux protection is not recommended. Please file a bug report (http://bugzilla.redhat.com/bugzilla/enter_bug.cgi) against this package. Additional Information: Source Context system_u:system_r:httpd_sys_script_t Target Context system_u:system_r:httpd_t Target Objects socket [ udp_socket ] Source index.cgi Source Path <Unknown> Port <Unknown> Host <Unknown> Source RPM Packages Target RPM Packages Policy RPM selinux-policy-2.4.6-316.el5 Selinux Enabled True Policy Type targeted MLS Enabled True Enforcing Mode Permissive Plugin Name catchall Host Name g6950-21025.securedservers.com Platform Linux g6950-21025.securedservers.com 2.6.18-274.12.1.el5 #1 SMP Tue Nov 29 13:37:46 EST 2011 x86_64 x86_64 Alert Count 1 First Seen Wed Jan 11 09:34:13 2012 Last Seen Wed Jan 11 09:34:13 2012 Local ID 2adcd43d-7b8b-4e17-bb93-ad11a35f378a Line Numbers 1 Raw Audit Messages type=AVC msg=audit(1326303253.473:3626): avc: denied { read write } for pid=6668 comm="index.cgi" path="socket:[415055]" dev=sockfs ino=415055 scontext=system_u:system_r:httpd_sys_script_t:s0 tcontext=system_u:system_r:httpd_t:s0 tclass=udp_socket

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gabber/jabber for centos 5.7?
by ken 11 Jan '12

11 Jan '12

I used to use jabber for chats. But I don't find it in centos 5.7 anymore. Is it still around? Or has something else taken its place? What do people using 5.7 use these days? Is there anything which handles MSN? tia.

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Centos 6.2 Postfix - forward through SMTP smarthost with SMTP-AUTH
by Giles Coochey 11 Jan '12

11 Jan '12

Hi All, I have set up three servers in a development environment. Via CR they're updated to Centos 6.2 It appears that these servers have postfix installed on them by default, which unfortunately I'm not very well acquainted with. All I want is a quick and dirty way to enable these hosts to send email through my own SMTP host. My (sendmail) SMTP host uses SMTP AUTH on a non-standard port and my dev (virtual env) runs off my laptop, so a dynamic IP. Does anyone have a quick and dirty configuration for setting up postfix to forward all remote mail through my smarthost? I'm guessing that I can put the hostname, the port, and the username and password somewhere in the postfix configuration and it will just work... Many Thanks in Advance, Giles

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Re: [CentOS] USB install annoyances (not OT)[SOLVED]
by m.roth＠5-cent.us 10 Jan '12

10 Jan '12

Yet another denial - it's as though it's also blocking me based on the relationship of included text vs. new text. blah, blah, blah. Let's see if this is enough new text to get through. Denniston, Todd A CIV NAVSURFWARCENDIV Crane wrote: >> Behalf Of m.roth(a)5-cent.us <snip> >> >> I've retried again, and it still fails. I see that it's mounted /dev/sda2, which is where I've got the contents of a DVD, as >> /mnt/isolinux. >> > >> > Unless you specifically need the DVD contents, maybe try with the ISOs instead... <snip> > And when you get towards package selection, anaconda fails indicating > ' that it can't find "image# 1".' > > The "image# 1" it is looking for is the .iso which could have been burnt to a DVD for doing the install, i.e., not something from the images directory from THAT iso. <snip> Thank you, Todd, that was the answer. So, in RHEL 6, they're protecting us against ourselves (we might not have copied everything). So with the FAT32 partition as it was, I then deleted everything on the second partition, and copied both DVDs onto it... and it's installing even as we speak. I suppose I need to submit a revised "how to build a USB key" for CentOS 6. mark

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Re: [CentOS] USB install annoyances (not OT)[SOLVED] (mostly)
by m.roth＠5-cent.us 10 Jan '12

10 Jan '12

Denniston, Todd A CIV NAVSURFWARCENDIV Crane wrote: >> Behalf Of m.roth(a)5-cent.us <snip> >> >> I've retried again, and it still fails. I see that it's mounted /dev/sda2, which is where I've got the contents of a DVD, as >> /mnt/isolinux. >> > >> > Unless you specifically need the DVD contents, maybe try with the ISOs instead... <snip> > And when you get towards package selection, anaconda fails indicating > ' that it can't find "image# 1".' > > The "image# 1" it is looking for is the .iso which could have been burnt to a DVD for doing the install, i.e., not something from the images directory from THAT iso. <snip> Thank you, Todd, that was the answer. So, in RHEL 6, they're protecting us against ourselves (we might not have copied everything). So with the FAT32 partition as it was, I then deleted everything on the second partition, and copied both DVDs onto it... and it's installing even as we speak. I suppose I need to submit a revised "how to build a USB key" for CentOS 6. And then there's the bug report I need to file: my only question being whether it's with CentOS, or upstream. Given this stupid bios, I had to make the USB key /dev/sda, so I told it not to install the bootloader. Went to reboot with linux rescue to install grub... and the same program that mounts the iso for the install, will *not* do that for linux rescue, and it wants images/install.img in the directory.... mark "ah, consistancy"

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centos6.2, parted and alignment
by John R Pierce 10 Jan '12

10 Jan '12

I have a large raid (lsi megaraid sas2 9261-8i card) and when I use parted to initialize it as the one big partition I want, it gives me a warning. # parted /dev/sda "mklabel gpt" Warning: The existing disk label on /dev/sda will be destroyed and all data on this disk will be lost. Do you want to continue? Yes/No? yes # parted -a optimal /dev/sda "mkpart primary 128s -1s" Warning: You requested a partition from 65.5kB to 81.0TB. The closest location we can manage is 65.5kB to 81.0TB. Is this still acceptable to you? Yes/No? yes Warning: The resulting partition is not properly aligned for best performance. Ignore/Cancel? i Information: You may need to update /etc/fstab. The sector size is 512b actual, the raid stripe size is 64kB, hence starting the partition on sector 128. I've tried various combinations of -a, nothing seems to help here. -- john r pierce N 37, W 122 santa cruz ca mid-left coast

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CentOS-announce Digest, Vol 83, Issue 4
by centos-announce-request＠centos.org 10 Jan '12

10 Jan '12

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-2012:0008 CentOS 5 gnome-screensaver Update (Johnny Hughes) 2. CEBA-2012:0009 CentOS 6 bind Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Tue, 10 Jan 2012 14:51:20 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2012:0008 CentOS 5 gnome-screensaver Update To: centos-announce(a)centos.org Message-ID: <20120110145120.GA5914(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2012:0008 Upstream details at : https://rhn.redhat.com/errata/RHBA-2012-0008.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: ea48a7e44c4d147177b900cc46338d3ca544f9b333cfcc235dc6544f27deb13a gnome-screensaver-2.16.1-8.el5_7.5.i386.rpm x86_64: 81830f4a846ed33c5ea9e3b23295b39950ab81a29c0a94f0dedb90b76cb1baa4 gnome-screensaver-2.16.1-8.el5_7.5.x86_64.rpm Source: 97165f207769fb6222d35179017359e2e7b62a374d2e0fec72268a4063ec950b gnome-screensaver-2.16.1-8.el5_7.5.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Tue, 10 Jan 2012 15:51:33 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2012:0009 CentOS 6 bind Update To: centos-announce(a)centos.org Message-ID: <20120110155133.GA8803(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2012:0009 Upstream details at : https://rhn.redhat.com/errata/RHBA-2012-0009.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 5e336743367a5824ee075ee94cd55f7e84e106131cff72eb8549bd52bab580d8 bind-9.7.3-8.P3.el6_2.2.i686.rpm 0a2e1e34f8fff5e0eee35f1959d599e9d5523ceade4ec147552d63417e0b2b8b bind-chroot-9.7.3-8.P3.el6_2.2.i686.rpm 1551d76b2d3a564df94e2e368e7ce9c1cf7e47245f9cba70bdf0ebd7288fbe9f bind-devel-9.7.3-8.P3.el6_2.2.i686.rpm b91bf00604644abd34e832ac2865918f502bceccb451b413b69fedd4af5bdb7d bind-libs-9.7.3-8.P3.el6_2.2.i686.rpm eea16fe13180d0a59344ea4d556bef303baa2a326d72e90a4bc91027815dbf2e bind-sdb-9.7.3-8.P3.el6_2.2.i686.rpm 3c7d503016a1be8e52466f78f0cdd77c787cc0fce5234f3d4b430823abca82db bind-utils-9.7.3-8.P3.el6_2.2.i686.rpm x86_64: 7ad821ac2594ba27639b7dc9b326948acae335964553f3922222862881943c0b bind-9.7.3-8.P3.el6_2.2.x86_64.rpm 3c5c06e5625c91edcbbfa38524607c5067d7d810fd3041e72b6bf7f23bace352 bind-chroot-9.7.3-8.P3.el6_2.2.x86_64.rpm 1551d76b2d3a564df94e2e368e7ce9c1cf7e47245f9cba70bdf0ebd7288fbe9f bind-devel-9.7.3-8.P3.el6_2.2.i686.rpm 4d9001cccce4021cbca87d5661a36470c73ecfba01afb09ab2f95b29ca8f5558 bind-devel-9.7.3-8.P3.el6_2.2.x86_64.rpm b91bf00604644abd34e832ac2865918f502bceccb451b413b69fedd4af5bdb7d bind-libs-9.7.3-8.P3.el6_2.2.i686.rpm 1cc972496a4a69afcca02da38253b78c24b5b6eff7c3e7782780fa6071c876fc bind-libs-9.7.3-8.P3.el6_2.2.x86_64.rpm 13496bff1649e4928c17776920b7ff8e324d8dcfd29fab48bc2282f0f7ccb57c bind-sdb-9.7.3-8.P3.el6_2.2.x86_64.rpm 24c1795e60d1766d88cc472b259e87cd650f1f7f5b1e379fe64c8e44035ef4f4 bind-utils-9.7.3-8.P3.el6_2.2.x86_64.rpm Source: b926065d9775d45835bda078bd448e50d2712606c517ac58da029931ea976682 bind-9.7.3-8.P3.el6_2.2.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 83, Issue 4 **********************************************

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Discuss January 2012