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Re: [CentOS] Emergency rescue help needed
by Anne Wilson 30 Jan '09

30 Jan '09

On Friday 30 January 2009 09:49:46 Sorin Srbu wrote: > >-----Original Message----- > >From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On > > Behalf > > Of > > >Anne Wilson > >Sent: Friday, January 30, 2009 9:15 AM > >To: CentOS mailing list > >Subject: Re: [CentOS] Emergency rescue help needed > > > >Technicalities of power supply are not in any way my expertise. Are you > >saying that it would be wise to change the battery? > > Three, four years is a normal lifespan for a UPS-battery IIRC. Less if the > batteries are used often, ie you have plenty of brown- and/or powerouts. > > Most UPS-brands have a battery-exchange program. > > However, in some cases it's cheaper to just get a whole new UPS... 8-/ > I know I was shocked at the price I had to pay last time I replaced the APC battery. My favourite vendor sells a lot of Liebert PowerSure UPSs, so I presume they have had no problems with them, or they'd have given up by now. There is a large range, and the prices are good, but the only thing I can say is that I haven't heard anyone complain. I'd prefer to hear a positive report before buying. Anne

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mod_bandwidth
by Michael A. Peters 30 Jan '09

30 Jan '09

Is there a compiled mod_bandwidth rpm in CentOS or EPEL? I can't seem to find it, what name does it use if there is one? Basically all I need to do is find a way to severely throttle apache for testing an upload progress bar - my bandwidth on my lan is too fast, the progress bar either only gets one update or none by the time the files are uploaded (5 8 megapixel jpegs) - even when I use my laptop over wireless - so I need to limit the bandwidth apache accepts severely to simulate real world conditions. I assume mod_bandwidth can limit the post bandwidth as well (what apache eats)?

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can't install rrdtool, problems with dependancies
by Rudi Ahlers 30 Jan '09

30 Jan '09

Hi all, I have tried to install rrdtool manually, but have noticed that I need perl-rrdtool as well for it to work, and I have approached this the wrong way. So, instead of installing rpmforge first, I have downloaded the rrdtool from sourceforge and installed it the old-fashioned way, totally forgot about rpmforge. So, now I want to remove it, and install it via rpmforge in order to get perl-rrdtool installed as well. The steps I initially took was: yum install cairo-devel libxml2-devel pango-devel pango libpng-devel freetype freetype-devel libart_lgpl-devel # cd /opt/ # wget http://oss.oetiker.ch/rrdtool/pub/rrdtool-1.3.1.tar.gz # tar -zxvf rrdtool-1.3.1.tar.gz # export PKG_CONFIG_PATH=/usr/lib/pkgconfig/ # ./configure # make # make install # cd /usr/local/ # ln -s rrdtool-1.3.1/ rrdtool/ # cd rrdtool # ls -l I got the instructions here, http://www.cyberciti.biz/faq/howto-install-rrdtool-on-rhel-linux/, which originally came from here: http://www.cyberciti.biz/faq/howto-install-ntop-on-rhel-centos-fedora-linux/ BUT, now that I want to move on, I can't. When I try and install / update / remove either ntop or rrdtool via yum, I get the following errors: sh-3.2# yum install rrdtool-devel rrdtool Loading "fastestmirror" plugin Repository base is listed more than once in the configuration Repository updates is listed more than once in the configuration Repository addons is listed more than once in the configuration Repository extras is listed more than once in the configuration Repository centosplus is listed more than once in the configuration Loading mirror speeds from cached hostfile * rpmforge: apt.sw.be * base: ftp.is.co.za * updates: ftp.is.co.za * addons: ftp.is.co.za * extras: ftp.is.co.za Excluding Packages in global exclude list Finished Setting up Install Process Parsing package install arguments Resolving Dependencies --> Running transaction check ---> Package rrdtool-devel.x86_64 0:1.2.29-1.el5.rf set to be updated ---> Package rrdtool.x86_64 0:1.2.29-1.el5.rf set to be updated --> Processing Dependency: perl(RRDp) for package: rrdtool --> Processing Dependency: perl(RRDs) for package: rrdtool --> Finished Dependency Resolution Error: Missing Dependency: perl(RRDp) is needed by package rrdtool Error: Missing Dependency: perl(RRDs) is needed by package rrdtool I have tried to remove rrdtool, as follows # cd /opt/rrdtool # make uninstall Yet the errors are still the same. So, how else can I get this working? -- Kind Regards Rudi Ahlers

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difference in x86 64 bit centos between 4.x and 5.x versions
by RobertH 30 Jan '09

30 Jan '09

i am new to the x86 64 bit centos versions. ive always used the 32 bit version on industrial type HP hardware for those of you that are running x86 64 bit centos, other than specific hardware issues, are you finding that 5.x centos is better than 4.x centos for x86 64 bit processing? does it matter in the amd vrs intel hardware differences what you choose to use for centos version? other things to make note of? if i need to be more specific in the general-ness of the approach, please let me know. thanks in advance for feedback. - rh

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it's that time again - lj rca's
by RobertH 29 Jan '09

29 Jan '09

it is that time again to let your choices be known in one of the mainstream journals http://www.linuxjournal.com/content/readers-choice-awards - rh

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CentOS-announce Digest, Vol 47, Issue 11
by centos-announce-request＠centos.org 29 Jan '09

29 Jan '09

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. Political Spam sent through several CentOS mailing lists (Ralph Angenendt) ---------------------------------------------------------------------- Message: 1 Date: Thu, 29 Jan 2009 01:13:09 +0100 From: Ralph Angenendt <ralph(a)centos.org> Subject: [CentOS-announce] Political Spam sent through several CentOS mailing lists To: centos-announce(a)centos.org Message-ID: <20090129001309.GL74076(a)br-online.de> Content-Type: text/plain; charset="us-ascii" The CentOS team likes to offer an apology for the political spam mails which went through our mail servers earlier today. Due to the nature of mailing list software for public discussion groups, there aren't that many security measures which can be taken to check which mails are supposed to get through and which mails aren't. Total safety can only be had by a moderation of all lists - and that is not where we want to go. The spammer today faked the identity of a CentOS core developer and thus got through on all mailing lists. That these mails also got through the moderated centos-announce list was an oversight in the configuration of that list which has been fixed now. The CentOS team does not condone such behaviour and does not wish to support any political agenda through the mailing lists of the Project - in case you had wondered. Regards, Ralph Angenendt

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hdc: no DRQ after issuing MULTWRITE
by Robert Moskowitz 29 Jan '09

29 Jan '09

I have 3 OQOs with Centos and I frequently get the following error messages: Jan 28 13:18:07 oqo3 kernel: hdc: status timeout: status=0xd0 { Busy } Jan 28 13:18:07 oqo3 kernel: ide: failed opcode was: unknown Jan 28 13:18:07 oqo3 kernel: hdc: no DRQ after issuing MULTWRITE Jan 28 13:18:07 oqo3 kernel: ide1: reset: success I have Fedora 10 on a fourth unit and it NEVER gets this message. I should point out that originally I had Centos on this unit as well and it got these errors, so this seems to be something that Centos is having problems with that has been 'fixed' by FC10. Any idea what can be done? They seem to be more nuance that not, but if I am in init 3 mode and in VI and get one of these messages in the middle of editing some file, well, I typically :q! out and start over.....

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getting Centos on "used" rackable systems 1U with dual Opteron 248 HE
by RobertH 29 Jan '09

29 Jan '09

hi there. anyone have any tips on params to pass to the kernel etc in order to install Centos4 or Centos5 32bit or 64 bit installed on this unit i can get it close to install, yet no cigar. it is a tyan MB and ill try to get more info if needed... for this case, please assume for now that the hardware itself is not "bad" thanks in advance... - rh Rackable Systems Dual Opteron 2.0 GHz 1U Half-Depth Server General Features: No Server Operating System Dual AMD Opteron 246 HE (OSK246CMP5AU) 2.0 GHz processors 4 GB DDR RAM 120 GB IDE hard drive ATI Rage XL integrated video Broadcom BCM5704 Gigabit Ethernet Motherboard Features: AMD-8111 chipset One (1) PCI-X riser slot Eight (8) DDR DIMM sockets Front I/O Ports: Two (2) PS/2 ports One (1) 15-pin VGA port One (1) 9-pin serial port Two (2) USB ports Two (2) RJ-45 Ethernet jacks Case Features: 1U half-depth server chassis One (1) 3.5-inch drive bay Four rear cooling fans 400-watt power supply

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Knoppix won't let me write to emergency drive
by Anne Wilson 29 Jan '09

29 Jan '09

I appear to have lost the whole of my home directory on my centos server (which includes all my mail saved from the last 7 years). Although I have recent backups of most data I would like to copy important files from /etc, and, if possible, /var/logs so that I can try to find out what went wrong. However, knoppix refuses to let me write to either my usb hdd or usb pendrive. Does anyone know how to persuade it? Thanks Anne

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More than 2TB RAID...
by John Doe 29 Jan '09

29 Jan '09

Hi, I just received a new server (HP DL180G5) with 12x 1TB HDs and I bumped into fdisks 2TB limits... Since this is an entry level server, I can't use the classic HP bootable utilities to create smaller volumes et can only create a big RAID6. I found out that: using parted, labelling it gpt and creating the partitions would do the trick. But, what about grub? I read that it does not support gpt... Or is there another way to do it? By example, do you think I could boot on a live CentOS, install HP RAID tools on it (is it possible?) and then create volumes...? Thx, JD

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