Discuss October 2008

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298 participants
291 discussions

question
by Jerry Geis 17 Oct '08

17 Oct '08

I am trying to increment a filename in a script example name is 000001.txt and I need to keep the leading 0's. I have no problem if the name was 1.txt, 2.txt etc... var=`expr $var + 1` however how do I keep the leading 0's? Thanks, Jerry

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snmp question v3
by adrian kok 17 Oct '08

17 Oct '08

Hi Do you know whether snmpwalk can work in v3? if not, how can I get the snmp v3 info Thank you Send instant messages to your online friends http://uk.messenger.yahoo.com

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CentOS-announce Digest, Vol 44, Issue 11
by centos-announce-request＠centos.org 17 Oct '08

17 Oct '08

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. CentOS 4.7 Server CD - i386 Released (Karanbir Singh) 2. CentOS 4.7 Server CD - x86_64 Released (Karanbir Singh) ---------------------------------------------------------------------- Message: 1 Date: Fri, 17 Oct 2008 01:21:50 +0100 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CentOS 4.7 Server CD - i386 Released To: centos-announce(a)centos.org, distro(a)distrowatch.com Message-ID: <48F7DA9E.3030409(a)centos.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed The single CD server install for CentOS 4.7 / i386 has now been released and is available from all active mirrors. The ISO is available on bit-torrent, via the torrent file : http://mirror.centos.org/centos/4/isos/i386/CentOS-4.7.ServerCD-i386.torrent Sha1sum for the torrent file is: 779adf04b554ee01d05520936bb406a16a85d45c md5sum for the CentOS 4.7 ServerCD / i386 is : 429c3c5d627682d5d9e8084c8e5456cd CentOS-4.7.ServerCD-i386.iso sha1sum for the CentOS 4.7 ServerCD / i386 is: 6272d724f0abb95d2a5652724fe6b3740706d543 CentOS-4.7.ServerCD-i386.iso You can find a local mirror to download from here: http://isoredirect.centos.org/centos/4/isos/i386/ --------------------------------------------------------------------- We appreciate all feedback, including RFE's and bug notifications. Notes: 1. This installer will only work with i686 based cpu's ( no K6, older Via C2 / C3 support ) 2. The included packages are a subset of all packages available in the CentOS distribution, however yum has been pre-configured to use the entire repository. 3. In order to ensure that drivers and other third party apps maintain compatibility, the package set used on the Server CD is from Release time CentOS 4.7, you are strongly encouraged to run a 'yum update' immediately after installation. 4. As some of you will notice, the iso size is lower than the 650mb acceptable for a single CD. Feedback on what other packages should be aded or removed from this Single CD for the next release are very welcome. Enjoy! -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Fri, 17 Oct 2008 01:38:34 +0100 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CentOS 4.7 Server CD - x86_64 Released To: centos-announce(a)centos.org, distro(a)distrowatch.com Message-ID: <48F7DE8A.8000806(a)centos.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed The single CD server install for CentOS 4.7 / x86_64 has now been released and is available from all active mirrors. The ISO is available on bit-torrent, via the torrent file : http://mirror.centos.org/centos/4/isos/x86_64/CentOS-4.7.ServerCD-x86_64.to… Sha1sum for the torrent file is: 67f17d202957ed7ca0008892aad101f1c9b41956 md5sum for the CentOS 4.7 ServerCD / i386 is : 241218f19994cfae40627e6cd82549e5 CentOS-4.7.ServerCD-x86_64.iso sha1sum for the CentOS 4.7 ServerCD / i386 is: a9ce59148663e7697d509ec8c516f864c1912d13 CentOS-4.7.ServerCD-x86_64.iso You can find a local mirror to download from here: http://isoredirect.centos.org/centos/4/isos/x86_64/ --------------------------------------------------------------------- We appreciate all feedback, including RFE's and bug notifications. Notes: 1. Since there are no 32bit packages included in this CD, the resulting install will be 64bit clean. 2. The included packages are a subset of all packages available in the CentOS distribution, however yum has been pre-configured to use the entire repository. 3. In order to ensure that drivers and other third party apps maintain compatibility, the package set used on the Server CD is from Release time CentOS 4.7, you are strongly encouraged to run a 'yum update' immediately after installation. 4. As some of you will notice, the iso size is lower than the 650mb acceptable for a single CD. Feedback on what other packages should be aded or removed from this Single CD for the next release are very welcome. Enjoy! -- 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 44, Issue 11 ***********************************************

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avahi and mDNS
by Craig White 17 Oct '08

17 Oct '08

Trying to figure out how to make it work. Seems as though it should be pretty easy. installed package (from yum search) avahi-compat-libdns_sd.i386 : Libraries for Apple Bonjour mDNSResponder compatibility. /etc/nsswitch.conf altered line so it reads, hosts: files dns mdns mdns4 started avahi-dnsconfd service (don't know that it's needed) restarted avahi-daemon service but the syslog says... Oct 17 00:07:41 srv-adv avahi-daemon[12618]: WARNING: No NSS support for mDNS detected, consider installing nss-mdns! and there is no package that I am aware of called nss-mdns, at least yum search doesn't turn up anything other than the avahi-compat-libdns_sd that I installed above. Anyone know what I am missing? Craig

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Problems with firstboot in CentOS 5
by Alfred von Campe 17 Oct '08

17 Oct '08

I'm trying to customize the firstboot process in CentOS 5 and have come across a few issues that are driving me nuts. I'm sure they are all upstream issues, but I don't have a RHEL 5 system to verify them. I had these customizations working in CentOS 4, but things that used to work then don't work now. The main problem is that you can't validate user input. This problem can be easily seen in the firstboot "Create User" module. If you are in this screen, deliberately enter mismatched passwords. You will get a warning that the passwords do not match, but when you click OK to dismiss the warning you are taken to the next screen. In CentOS 4, firstboot would stay at the current screen until all user input had been validated. If you look at the underlying Python code, when you returned "None" from the apply method it would not exit the module in CentOS 4, but it does in CentOS 5. I also can't get the firstboot Display module to load. It ships with "skipme = True", but setting it to false or removing that line altogether does not show the module. It appears to me that there a lots of issues with firstboot in CentOS 5. Actually, in my environment (~40 desktops), CentOS 5 has been far less stable than CentOS 4 (mostly Gnome issues with Terminal windows crashing and window "flickering"). I've reported some of these issues before on this list. My servers seem to be rock stable, though. Anyway, for now I will have to live with these issues. Can I report these issues in the Red Hat bugzilla database or do I need to be a RHN subscriber to report bugs against RHEL5? I suspect (but have not verified) that these issues have been addressed in Fedora already. Alfred

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Missing something about sendmail
by Paul R. Ganci 17 Oct '08

17 Oct '08

Hi All, I have a strange problem that I don't understand. I have an access file which has the following line: 168.144.250.215 OK # xsmtp02.mail2web.com Yet email from this IP address is getting rejected. From my log file Oct 15 21:52:33 mx01 sendmail[10569]: ruleset=check_relay, arg1=xsmtp02.mail2web.com, arg2=168.144.250.215, relay=xsmtp02.mail2web.com [168.144.250.215], reject=553 5.3.0 OK # xsmtp02.mail2web.com Is this because I have commented out dnl FEATURE(delay_checks)dnl in my sendmail.mc? What is the ruleset check_relay actually doing in this case. I have seen other cases where it rejected a message but always with a useful message. why is there a reject=553 code but with an OK after it? Can somebody give me a clue as to what I have misconfigured. -- Paul (ganci(a)nurdog.com)

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Re: [CentOS] new list proposal
by Kenneth Price 17 Oct '08

17 Oct '08

----- "John Hinton" <webmaster(a)ew3d.com> wrote: > Craig White wrote: > > > > If you are going to go to multiple lists, might I suggest that you > > have 1 system-admins list and 1 general-users list and you can tightly > > But I would like a bit more freedom on the sysadmin list. The ability > to get more in depth on particulars and include discussions of other > software which interacts with existing systems to aid in going > further... extending Centos so to speak. Do you think that by definition, the "system-admins" list should encompass that freedom? Linux system administration is not limited to bash scripting and configuring Apache virtual hosts, but also includes architecting multi-tiered, multi-faceted, multi-platform environments. I think the label of "system-admins" for a second list is going in the right direction. Maybe something a bit more specific, like CentOS-sysadmin-advanced? Not the best name, but conveys my idea. The understanding on that list is that the application of CentOS in real world environments can and should also be discussed. Eh? Yes, no, maybe? -Ken

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help required
by fabian dacunha 17 Oct '08

17 Oct '08

Dear ALl, I have the following live setup . Centos 5.1 running as a Mail and DNS server with the following software Sendmail ver MailScanner ver squirrel mail clam av spamassassin mailwatch we have about 250 mail users all with no shell and every thing is working perfectly fine now i wd like to know the following . 1) if i have a copy of my /etc/passwd file and the /etc/skel/shadow file and if my current HDD crashes .. now if i make a new centos server with all the above software and jus copy the password n shadow file in the right directories will all the users able to login into the system as before. or is anything more required to be done. To explain more clearly if my current hdd crashes i can get up a new centos machine but creating all the 250 + users wd be a big problem specially the passwords. 2) i would like to also know about MX records i mean DNS server having MX with same priority n MX with different priority i right now have a primary n secondary mail server that is dns server with different MX records and its workin fine if i have 2 servers with same MX priority do i need to create the smae users on both my centos servers so tht if one server fails othe one is operational . i do presume the above is corect or is there any other way apprecite your help regards Fabian -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.

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OT: [CentOS] new list proposal
by James B. Byrne 16 Oct '08

16 Oct '08

On: Thu, 16 Oct 2008 12:01:54 +0100, "Marcelo M. Garcia" <marcelo.maia.garcia(a)googlemail.com> wrote: > > Karanbir Singh wrote: >> One thing that we are often blamed for is trying to stifle conversations >> and to discourage people from commenting / contributing / encouraging >> conversations. And that cant be further from the truth, really. We are >> all pro-community ( and when I say we, I mean everyone - including the >> contributors, developers, admins, users, abusers and hey upstream too ). >> >> However, one thing that does get in the way, often, and something that >> we all feel creates a higher 'noise' ratio is conversations on this list >> about semi-related stuff, but not something that directly contributes to >> the general users of CentOS. Conversations that specifically address >> four areas: >> >> - technologies >> - best practices >> - deployment strategies and tools >> - management strategies and tools >> >> And to better cater to these conversations, as well as further encourage >> such content, we'd like to propose creating a 'centos-tech' list. >> >> Over a period of time, we would like to see the CentOS list become a >> more user help and distro specific list, with generic conversations >> moving to the centos-tech list. >> > Hi > > I understand the eagerness to lower the "noise" ratio, but I think > creating another list is not the solution, it will simply create an > extra work for the people in the list "centos" in the sense that you > will have to keep reminding people to use the "tech" list, or saying to > newcomers that should sign for the "tech" list. > > Noise is the side effect of the success of the project CentOS. As the > project grows, more people will be joining the list, and there will be > more noise. > > In my opinion there aren't much "off-topic"/noise in this list. > > Regards > > Marcelo > I too, see little problem with the current signal to noise ratio. Compared to some tech lists I subscribe too this one is pretty much always on the topic of some aspect of using CentOS effective and efficiently. If some people really have problems with the degree of latitude extended to subjects here then perhaps an appropriate solution is to set up a list called centos-strict and allow those that have strong feelings on the matter of appropriateness, whatever that turns out to mean, to subscribe there. Once a day a digest of the centos-strict list could be posted to this list, in a fashion similar to that done for CentOS announcements. So that topics of interest discussed there would still reach a wider audience. The existing centos list is pretty much established as the first port of call for a new contributor. It seems to me counter-productive to create a new list to serve that purpose and then force new people to resubscribe to a different list, doubtless after receiving abuse from self-appointed moral managers for posting the wrong subjects here. As a case in point, what does the creation of new mailing lists have to do with CentOS, exactly? What is deemed appropriate and on topic is really more a matter of taste than anything else. -- *** 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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central patch list
by Mark Belanger 16 Oct '08

16 Oct '08

Is there a list somewhere of available updates for a given CentOS release? Something like this: https://rhn.redhat.com/errata/rhel4ws-errata.html Ideally I would like a something like: Bug Description Link to update 1111 kernel blah,etc http://some.rpm.com/1111.rpm -Mark -- Mark Belanger LTX Corporation

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Discuss October 2008