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restore to different hardware?
by Les Mikesell 01 Nov '07

01 Nov '07

Is there a HOWTO or checklist that covers the typical steps to back up a working machine and restore it to a machine with different disk controllers and network cards? I've muddled through it a time or two, sometimes rebuilding the initrd, sometimes doing a dummy install just to get a working /boot and modprobe.conf, sometimes copying the /boot partition from a machine with identical hardware and / from the one I want to restore, but I always forget some detail - like fixing modprobe.conf or fstab, or making sure that the kernel versions are at the same rev when copying /boot and / from different sources. If there are other differences, they can be patched up fairly easily once the machine boots and is on the network. -- Les Mikesell lesmikesell(a)gmail.com

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Network issue after new kernel install
by Paul Norton 01 Nov '07

01 Nov '07

Hello CentOS list, On all of my CentOS 5 VMWare ESX3 virtual machines (about 15), after installing a new kernel and rebooting the machine, the Network script tries to run dhclient and can't determine the IP info (since I don't run a dhcpd server... it's a static IP only lan). This also backs up my ifcfg-eth0 file to ifcfg-eth0.bak and writes a new ifcfg-eth0 that has dhcpd with no IP info. Copying the ifcfg-eth0.bak to ifcfg-eth0 and running /etc/init.d/network start or ifup eth0 brings my network back up. This is an example of what one of my ifcfg-eth0 files looks like... # Advanced Micro Devices [AMD] 79c970 [PCnet32 LANCE] DEVICE=eth0 BROADCAST=69.x.x.x #HWADDR=00:50:56:9C:19:7D IPADDR=69.x.x.x IPV6ADDR= IPV6PREFIX= NETMASK=255.255.255.0 NETWORK=69.x.x.0 ONBOOT=yes Any ideas? TIA, -- Paul Norton Systems Administrator Neoverve - www.neoverve.com Neoverve Blog - http://blog.neoverve.com/

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CentOS Web Stack
by Robert Slade 01 Nov '07

01 Nov '07

Hi, I am looking to build a Lamp and I see that the Web Stack is for CentOS 4 only - Is it going to be updated for 5 or can it be used as is? Rob

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help diagnosing tftp server on centos 5 - fixed
by Jerry Geis 01 Nov '07

01 Nov '07

> > Hi all, > > I have a centos 5 box I have setup, current with updates. (I have done > this many times on centos 4). > I did the yum install tftp-server, changed the /etc/xinetd.d/tftp file > as shown. > > # default: off > # description: The tftp server serves files using the trivial file > transfer \ > # protocol. The tftp protocol is often used to boot diskless \ > # workstations, download configuration files to network-aware > printers, \ > # and to start the installation process for some operating systems. > service tftp > { > socket_type = dgram > protocol = udp > wait = yes > user = root > server = /usr/sbin/in.tftpd > server_args = -v -s /tftpboot > disable = no > per_source = 11 > cps = 100 2 > flags = IPv4 > } > > > Did the service xinetd restart. > > Now from another computer on the network I am trying manually "tftp IP > -c get myfile" > and nothing happens. > > /tftpboot permissions are: drwxr-xr-x 4 root root 4096 Oct 2 16:26 > tftpboot > the myfile is also world readable in that directory. > > I have disabled the iptables "service iptables stop". > > I ran "tcpdump port 69" to show me all tftp traffic an I see NOTHING > when I manually > run the tftp command above on another computer. > The second computer can ssh into the server no problem. > > I can, on the server, to tftp localhost -c get myfile and that works fine. > > What or HOW can I determine why I cannot tftp from that machine? > This seems so straight forward. > > Thanks, frustrated me... > > Jerry unbelievable - ended up being a DHCP issue. thanks for the suggestions. Jerry

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Re: ssh with proxy?
by Nicolas Thierry-Mieg 01 Nov '07

01 Nov '07

Scott Ehrlich wrote: > What is the recommended way to ssh through a proxy? I've been using > putty, compiled from source, as it has a proxy option, but a native option > would be very nice. If I understand what you want to do, you can use the builtin ssh ProxyCommand Let's say you want to connect from your home machine to various machines in the .imag.fr domain, going through sshgate.imag.fr (the only host in imag.fr that is accessible by ssh from the outside). On the home client, make a file called config in your ~/.ssh/ dir. Mine looks something like this: [nico@localhost ~]$ cat ~/.ssh/config Host *.imag User nico ProxyCommand ssh nico(a)sshgate.imag.fr "nc $(basename %h .imag) %p" Then I can type "ssh host1.imag", and it works. It's also fine with sftp, scp, and pretty much anything that runs over ssh. nc has to be installed on sshgate, but it most probably is (might be called netcat). You have to type 2 passwords unless you use ssh key authentication, which you should (at least between home and sshgate). hope this helps. Nico TM

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Re: [CentOS] Time Change
by David Thompson 01 Nov '07

01 Nov '07

"Akemi Yagi" wrote: > >You should update tzdata. The current version is tzdata-2007h-1. >Then you can check if the time change is correctly set up by running >this command: > >/usr/sbin/zdump -v CST6CDT | grep 2007 In addition to: /usr/sbin/zdump -v /etc/localtime | grep 2007 ...which will give you your default timezone. I remember awhile back there was much weeping and gnashing of teeth because updates to tzdata _didn't_ update /etc/localtime. I would hope they would have fixed that by now. Part of our configuration engine makes sure that /etc/localtime is up to date with the appropriate /usr/share/zoneinfo/... file. Dave Thompson UW-Madison

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CentOS-announce Digest, Vol 33, Issue 1
by centos-announce-request＠centos.org 01 Nov '07

01 Nov '07

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-2007:1020 Important CentOS 5 i386 cups Update (Karanbir Singh) 2. CESA-2007:1020 Important CentOS 5 x86_64 cups Update (Karanbir Singh) ---------------------------------------------------------------------- Message: 1 Date: Thu, 1 Nov 2007 01:51:59 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CESA-2007:1020 Important CentOS 5 i386 cups Update To: centos-announce(a)centos.org Message-ID: <20071101015159.GA21271(a)base.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2007:1020 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2007-1020.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) i386: 1d1f5a0858bbf078c98afe42aba8b24b cups-1.2.4-11.14.el5_0.1.i386.rpm 172ec9e234b9bcde8caea04ef1f55970 cups-devel-1.2.4-11.14.el5_0.1.i386.rpm 1652c1af2720d7b9e92e26ae595c4791 cups-libs-1.2.4-11.14.el5_0.1.i386.rpm 971cb36c6a58b7135e5fbe1253b23e5e cups-lpd-1.2.4-11.14.el5_0.1.i386.rpm Source: 35f4e0fbcca1558b0b8df98de256142e cups-1.2.4-11.14.el5_0.1.src.rpm ATTENTION: These rpms have a different release tag ( el5_0 ) than what released upstream ( el5_1 ) since upstream built their rpms against EL5.1.x, which has not yet been publicly released. These CentOS packages are built against the latest publicly released tree ( el5.0 + all updates ) in order to get this security fix released as soon as possible. Once EL5.1 is released publicly, these packages will be rebuilt and we should be back in sync with package-name/release-tag with upstream. -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Thu, 1 Nov 2007 01:51:59 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CESA-2007:1020 Important CentOS 5 x86_64 cups Update To: centos-announce(a)centos.org Message-ID: <20071101015159.GA21285(a)base.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2007:1020 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2007-1020.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) x86_64: 3f0519f8d39669fa734f81cccbf0a9ca cups-1.2.4-11.14.el5_0.1.x86_64.rpm 172ec9e234b9bcde8caea04ef1f55970 cups-devel-1.2.4-11.14.el5_0.1.i386.rpm e97312621235265424c2f381f8484fe4 cups-devel-1.2.4-11.14.el5_0.1.x86_64.rpm 1652c1af2720d7b9e92e26ae595c4791 cups-libs-1.2.4-11.14.el5_0.1.i386.rpm 4fd4ac0976b8242c64e92fd9f1035591 cups-libs-1.2.4-11.14.el5_0.1.x86_64.rpm 762eb54b2ce8fdc8409aeec05a3456ba cups-lpd-1.2.4-11.14.el5_0.1.x86_64.rpm Source: 35f4e0fbcca1558b0b8df98de256142e cups-1.2.4-11.14.el5_0.1.src.rpm ATTENTION: These rpms have a different release tag ( el5_0 ) than what released upstream ( el5_1 ) since upstream built their rpms against EL5.1.x, which has not yet been publicly released. These CentOS packages are built against the latest publicly released tree ( el5.0 + all updates ) in order to get this security fix released as soon as possible. Once EL5.1 is released publicly, these packages will be rebuilt and we should be back in sync with package-name/release-tag with upstream. -- 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 33, Issue 1 **********************************************

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tftp on centos 5
by Jerry Geis 01 Nov '07

01 Nov '07

Hi all, I have setup tftp on centos 4 before an it worked. I am not setting up tftp on centos 5. I have added many -v -v -v -v to the tftp config file. /var/log/messages shows me connection from the IP address - but no errors. My client eventually times out as the file is not being provided. It works by the way on localhost, just not from a client. selinux is turned off. I iptables turned off. tftp is running and my files are in /tftpboot everything is read accesss. I did the yum install tftp-server as normal. Nothing is in my hosts.allow and hosts.deny why might my client be timing out... Thanks, Jerry

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ssh with proxy?
by Scott Ehrlich 01 Nov '07

01 Nov '07

What is the recommended way to ssh through a proxy? I've been using putty, compiled from source, as it has a proxy option, but a native option would be very nice. Thanks. Scott

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Need a package
by Bob Taylor 01 Nov '07

01 Nov '07

I have rpms for xemacs 21.5.27-8.fc8. I *think* they will work on Centos 5? If not I can get the sources. However, at this point, I have one of those dependency hell problem. I need, for now, libtinfo. Does anyone now what package it is in? Thanks, Bob -- Bob Taylor <bob8221(a)gmail.com>

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