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Upgrading FC2 to CentOS 5.* - anyone second this?
by Max Pyziur 03 Jun '12

03 Jun '12

Greetings, I *do* still have an FC2 box. Would anyone second this procedure: http://www.centos.org/modules/newbb/viewtopic.php?topic_id=14052&forum=37&p… Thanks. Max Pyziur pyz(a)brama.com

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xeyes kills freenx session
by Les Mikesell 02 Jun '12

02 Jun '12

I was trying an assortment of things to get a remote X session working (where I had forgotten to install the xauth package...) and noticed that running xeyes kills my freenx session. This happened whether in the NX/freenx session itself or when run on a remote machine via 'ssh -Y', started from a window in a freenx session. Is that a known problem or do I have something set up wrong? Other GUI programs that open their own windows seem to work, including jconsole which is what I really wanted to run in the first place. -- Les Mikesell lesmikesell(a)gmail.com

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Install 6.2 via wireless
by david 02 Jun '12

02 Jun '12

Folks I have a HP 8540w workstation, and just for kicks, I wanted to see if I could install Centos 6.2 using only the wireless connection, and the cd/dvd reader. I tried the "net-install" CD image, but it never found the wireless adaptor. How for up the chain must I go to succeed? Net-install (doesn-work) CD containing minimal DVD containing the full image? This effort was more than academic; one of my clients has a box that is connected only through wireless, and we need to do the install. Any advice you may have would be appreciated. David

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KVM with 6.2 i686 guest
by Jerry Geis 02 Jun '12

02 Jun '12

I just installed a KVM guest, centos 6.2 i686 (6.2 x86_64 host) and the network module is loaded . The modules is/are 8139too,8139cp is what lsmod shows. Dmesg shows link up but ifconfig does not give me an address? service network restart shows OK no errors but again no address. I set the ifcfg-eth0 file to not be NM controlled, onboot yes and rebooted. Same no address. I run 5.8 images all the time and they get the address? Did I forget something? Jerry

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problems installing parted tool
by Jane Wayne 01 Jun '12

01 Jun '12

i have downloaded the CentOS distribution that comes with Xen Cloud Platform (XCP) at http://www.xen.org/download/xcp/index.html. i am trying to install the parted utility. yum install parted however, i get the following message. Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile Setting up Install Process No package parted available. Nothing to do any ideas on what's going on? i have the following files: /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Media.repo /etc/yum.repos.d/Citrix.repo the CentOS-Base.repo has the following. [base] name=CentOS-$releasever - Base mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch… #baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/ gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 exclude=kernel-xen*, *xen* enabled=0 #released updates [updates] name=CentOS-$releasever - Updates mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch… #baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/ gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 exclude=kernel-xen*, *xen* enabled=0 #packages used/produced in the build but not released [addons] name=CentOS-$releasever - Addons mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch… #baseurl=http://mirror.centos.org/centos/$releasever/addons/$basearch/ gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 enabled=0 #additional packages that may be useful [extras] name=CentOS-$releasever - Extras mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch… #baseurl=http://mirror.centos.org/centos/$releasever/extras/$basearch/ gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 enabled=0 #additional packages that extend functionality of existing packages [centosplus] name=CentOS-$releasever - Plus mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch… #baseurl=http://mirror.centos.org/centos/$releasever/centosplus/$basearch/ gpgcheck=1 enabled=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 #contrib - packages by Centos Users [contrib] name=CentOS-$releasever - Contrib mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch… #baseurl=http://mirror.centos.org/centos/$releasever/contrib/$basearch/ gpgcheck=1 enabled=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 the CentOS-Media.repo has the following. [c5-media] name=CentOS-$releasever - Media baseurl=file:///media/CentOS/ file:///media/cdrom/ file:///media/cdrecorder/ gpgcheck=1 enabled=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 the Citrix.repo has the following. [citrix] name=XCP 1.4.90 updates mirrorlist=http://updates.vmd.citrix.com/XCP/1.4.90/domain0/mirrorlist #baseurl=http://updates.vmd.citrix.com/XCP/1.4.90/domain0/ gpgcheck=1 gpgkey=http://updates.vmd.citrix.com/XCP/RPM-GPG-KEY-1.4.90 enabled=0

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Re: [CentOS] Add another one: the same sealert problem
by m.roth＠5-cent.us 01 Jun '12

01 Jun '12

Well, this is getting more and more unpleasant. Turned out my manager and the other admin were also working on this. One of the times they restarted *something*, or maybe my reinstall, took care of the first problem. Now, however, we're seeing a ton of exceptions... and what's struck me is that I'm *not* getting the normal output from sealert. For example, sealert -v -l 42f9d4f6-6327-4030-b927-d17ab9f4f0d6 2012-05-31 16:52:13,387 [plugin.INFO] importing /usr/share/setroubleshoot/plugins/__init__ as plugins SELinux is preventing /bin/chmod from using the fowner capability. I used the -v to try to get more; I'm not seeing the screenful that usually has more useful info. Could something have been screwed up with selinux, in some way? I know that the other admin installed something, but that was via a ruby-on-rails utility, and shouldn't have looked at anything, much less modified anything.... mark

2 1

issue with CentOS 6.2 autofs
by OVERBEY, DUDLEY 01 Jun '12

01 Jun '12

I have an issue with CentOS 6.2's autofs/automount. When I issue "service autofs start (or restart)" the automount daemon starts as expected, however, I am not able to access any of the exports nfs directories; but if I shutdown the automount daemon and start it by just issuing "/usr/sbin/automount", I am able to access all of the nfs directories. If the system reboots, the nfs directories become no longer available until I stop the automount daemon and restart by issuing "/usr/sbin/automount". Any assistance would be greatly appreciated. doverbey(a)optonline.net

2 1

portmap/NIS mystery
by Boris Epstein 01 Jun '12

01 Jun '12

Hello all, I have a server on my private network that is configured as an NIS server and mapped to a "public" IP address on a firewall. All other TCP ports (SSH, iperf, you name it) are visible from the outside - but the portmapper-managed ports (port 111 itself and the YPSERV/YPXFRD ports, etc.) are not visible from the outside - even though they are alive and well on the internal network. So, here's the question: is there anything special as far as portmapper's networking/security setup that is at play here? Thanks. Boris.

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Re: [CentOS] Upgrading FC2 to CentOS 5.* - anyone second this?
by Les Mikesell 31 May '12

31 May '12

On Wed, May 30, 2012 at 2:54 PM, Reindl Harald <h.reindl(a)thelounge.net> wrote: > > i will not buy the argument with the hardware because > i had in the last years 4 notebooks, 3 workstations > and two different notebooks of my co-developer which > all done many dist-upgrades well if you know how > to prepare and cleanup What does 'last years' mean in kernels? New kernels have gotten better. A google for "FC5 kernel Oops' has 'about 334,000 results', so I'm not the only one. -- Les Mikesell lesmikesell(a)gmail.com

1 0

question for those who run mail servers
by Bob Hoffman 31 May '12

31 May '12

Not technically a centos question, but a lot of you guys seem to manage some large systems and I could use some clarification on a postfix setting.* *reject_unknown_client_hostname (in postfix < 2.3 reject_unknown_client) When I first used this there were issues with users trying to send mail through the server from hotels, wireless spots, etc. This was solved by pushing up permit sasl_authenticated. I took it out after those issues. I read many online posts from 2008 saying too many false positives. (though none were clear if those were incoming mail or from mail users) Do you use reject_unknown_client_hostname? Other than someone trying to access the server to send mail through it as a user I do not see how this could be a bad setting and am thinking of using it. A person sending out a mail to the server, even if in that badly set up hotel wireless should be using their gmail, yahoo, own server, isp mail servers and should not be directly sending from their iphone....is that correct? or do you ignore the use of this setting still? -thanks for any updates on the use of this setting.

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