Discuss November 2013

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173 discussions

CentOS as Development Laptop?
by Michael B Allen 16 Nov '13

16 Nov '13

Hi, Is CentOS good for a desktop machine? I have been using Fedora but the whole GNOME 3 debacle has me scrambling for something else. I have a few "minimal" CentOS servers but does anyone here use CentOS on their laptop? Does wireless and suspend work ok? Are there packages for the usual desktop stuff like libreoffice, sylpheed and so on? Machine is Toshiba Portege R935. It's about a year old so it's properly "aged". Mike -- Michael B Allen Java Active Directory Integration http://www.ioplex.com/

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CentOS 6 and Intel vPro?
by Lists 16 Nov '13

16 Nov '13

Needed to set up a cluster where horsepower and cost were paramount, so I thought this would be a good opportunity to try out Intel's business class "vPro AMT" remote administration technology, and compare it to IPMI, which I've used for years on servers. From a feature standpoint, it seems quite impressive, going to far as using standards-based VNC! Unfortunately, set up is quite a bear, with most of a day spent and while I can remote power cycle the machine via a web interface, VNC support is still not to be found. I have no intention of buying Windows licenses for all these machines just so I can enable AMT. (the VNC remote desktop solution) So far, it would seem that the Intel approach is very Windows-oriented, to the point where I've been unable to find any official documentation at all as to how to make it work with *nix. After some googling and trying to make sense of the "enterprise reference documentation" I came across http://blog.yarda.eu/2012/09/intel-amt-quickstart-guide.html which apparently was working as recently as October of this year. (see the comments) However, it would seem that intel has pulled support for some of this, as pages like http://intel.com/wbem/wscim/1/ips-schema/1/IPS_KVMRedirectionSettingData and http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/CIM_KVMRedirectionSAP simply resolve to 404, numerous attempts to google "IPS_KVMRedirectionSettingData" and such haven't (so far) returned anything useful. From what it seems, Intel wants everybody to be installing PKI AMT certificates on vPro motherboards via Windows. Does anybody have any information that might be useful about how to enable unencrypted VNC remote administration for CentOS based servers? I have a used KVM switch, but that's always been a sub-optimum solution, and it really makes a mess out of your server cages.

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CentOS-announce Digest, Vol 105, Issue 9
by centos-announce-request＠centos.org 16 Nov '13

16 Nov '13

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 Dojo in Austin, Texas on December 6th, 2013 (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Fri, 15 Nov 2013 10:19:40 -0600 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CentOS Dojo in Austin, Texas on December 6th, 2013 To: CentOS-Announce <centos-announce(a)centos.org> Message-ID: <5286499C.9060108(a)centos.org> Content-Type: text/plain; charset="iso-8859-1" We will be having a CentOS Dojo at the Rackspace facility in Austin, Texas on Friday, December 6th, 2013. What is a CentOS Dojo: http://wiki.centos.org/Events/Dojo What is the specific information for the Dojo in Austin: http://wiki.centos.org/Events/Dojo/Austin2013 How can I register for the Austin Dojo: http://centosdojoaustin2013.eventbrite.com/ Core CentOS team members Jim Perrin and Johnny Hughes will be at the Dojo. Please come by and see us there ! =========================== We would like to thank Rackspace (http://www.rackspace.com/) and Calxeda (http://www.calxeda.com/) as our event sponsors for this event. =========================== Thanks, Johnny Hughes

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OT: rpmerizor use
by m.roth＠5-cent.us 15 Nov '13

15 Nov '13

I've tried building a perl package with a ton o' crap, to install into /usr/local. Now I'd like to use rpmerizor to build an rpm that will install into /usr. Anyone know if that's possible, or am I going to have to rebuild the original package in perl, and install in /usr instead of /usr/local? mark

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Re: [CentOS] Mysql databases from old system?
by Les Mikesell 15 Nov '13

15 Nov '13

On Fri, Nov 15, 2013 at 12:16 PM, Reindl Harald <h.reindl(a)thelounge.net> wrote: > > in other words you do not know anything about the mysql-internals > as you statet more than once, have no expierience and come up with > generic theory to defend your statements Yes, if you do things that work in general, you don't have to know all of the internals of every specific version of every specific program that you might ever touch. -- Les Mikesell lesmikesell(a)gmail.com

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Re: [CentOS] Mysql databases from old system?
by Les Mikesell 15 Nov '13

15 Nov '13

On Fri, Nov 15, 2013 at 12:32 PM, Reindl Harald <h.reindl(a)thelounge.net> wrote: > >> Yes, if you do things that work in general, you don't have to know all >> of the internals of every specific version of every specific program >> that you might ever touch. > > than better be quiet instead contradict and correct people with > generic wisdom which are on-topic and have the specific knowledge > and experience over many years Fine, the next time I want to move MySQL 4.0-4.5 on Apple OSX *Power PC* to MySQL 5.1/5.5 on Linux x86_64, I'll ask your advice. -- Les Mikesell lesmikesell(a)gmail.com

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Re: [CentOS] Mysql databases from old system?
by Les Mikesell 15 Nov '13

15 Nov '13

On Fri, Nov 15, 2013 at 12:00 PM, Reindl Harald <h.reindl(a)thelounge.net> wrote: > > and why did you strip the part where i googled for you the endianess > of MacOSX on PPC because i clearly statet mysql-data dirs used here > in production went from MySQL 3.x on Windows i686 over MySQL 4.0-4.5 > on Apple OSX *Power PC* to MySQL 5.1/5.5 on Linux x86_64? Because that has nothing to do with the generic issue of moving binary data from one CPU type to another. If you got lucky and something happened to work for you once, great. It's not something people should count on - especially for programs that provide a tool for portability and consistency. -- Les Mikesell lesmikesell(a)gmail.com

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Re: [CentOS] Mysql databases from old system?
by Les Mikesell 15 Nov '13

15 Nov '13

On Fri, Nov 15, 2013 at 10:58 AM, Reindl Harald <h.reindl(a)thelounge.net> wrote: > >> I don't know specifically about Mysql but pretty much anything that stores binary >> representations to disk needs to be converted. > > with this logic you would need to convert MS office files > containing embedded images too.... No, image formats have standardized binary representations so they are portable. The problem is with applications that write their own binary values and data structures to disk without conversion. I don't know much about msyql internals, but I wouldn't expect it to go to the trouble of normalizing things like index files just in case you wanted to move those disks to a sparc instead of doing a dump/load. -- Les Mikesell lesmikesell(a)gmail.com

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Expanding EVMS raid1 array
by Peter Crighton 15 Nov '13

15 Nov '13

I started with two 160GB drives in RAID1 using EVMS on Centos 4.4. Both drives have now been replaced with 320GB drives but naturally are only offering 160GB (they were replaced individually at different times and self-recovered as they were RAID1. I cannot work out how to increase the size of the array to use all the available space on the disk. If I understand correctly, I should unmount the array, deactivate it and select expand. The problem is that while I can unmount and deactivate it, there is nothing to expand (selecting expand volume, expand storage object and expand container all report no items found). Also, right clicking on the array (in EVMSGUI) doesn't have expand as an option. The disks are formatted in Ext2/3. Have I missed something? I'd rather not replace the old drives, create a second RAID array and copy all the data across as I've a feeling that I'll then have to reset permissions and shares (although I just might get away with then removing the original RAID array and mounting the new one in the same location). In my mind it also ought to be easier to simply re-size the array than have to set up new ones and move the data across. -- Peter Crighton

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Re: [CentOS] Mysql databases from old system?
by Les Mikesell 15 Nov '13

15 Nov '13

On Fri, Nov 15, 2013 at 10:01 AM, Reindl Harald <h.reindl(a)thelounge.net> wrote: > > abd what has the CPU type to do with the mysql datadir? Really??? You've never used processors with different bit/byte order than Intel's? I don't know specifically about Mysql but pretty much anything that stores binary representations to disk needs to be converted. > speaking with 10 years expierience and some hundret databases originally > created with MySQl 3.x on Windows, 4.x-5.0 running on MacOSX and since > MySQL 5.1 until now with 5.5 as well as MariaDB 5.5 running on Linux > without a single time payling around with dumps So no sparc's or the like in the picture? Not sure which way powerpc macs ran. -- Les Mikesell lesmikesell(a)gmail.com

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Discuss November 2013