Discuss March 2013

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206 participants
228 discussions

GUI volume control/mixer in C6??
by Fred 04 Mar '13

04 Mar '13

Just bringing up a Centos-6 (x86_64, FWIW) and I can't find the mixer app... on my C5 box(es), double click on the speaker icon in the top panel and I get a mixer app appears on the screen. My new C6 box doesn't do that. I've installed all the PULSEAUDIO RPMS I can find, but still nothing. what am I missing here? thanks! Fred

8 15

problems with .forward
by Robert Moskowitz 04 Mar '13

04 Mar '13

My old Centos 5.5 servers had a /root/.forward to send things like logwatch to this email account. It did not take any special configuration in sendmail for this to work. Now Centos 6.3 is using postfix (as we well know, and generally I am happy for this) and I have set up the /root/.forward as always, but it seems like postfix is ignoring it. I have restarted postfix with no difference in behaviour. /root/.forward contains the single line without ending in <cr> (I have tested with <cr> at the end as well: rgm(a)htt-consult.com 'host htt-consult.com' responses with: htt-consult.com mail is handled by 10 klovia.htt-consult.com. For the testing from my regular account I run: mail -s Test root < /dev/null /var/log/maillog shows: Mar 4 10:16:04 onlo postfix/pickup[30442]: 911731400CE: uid=500 from=<rgm> Mar 4 10:16:04 onlo postfix/cleanup[30526]: 911731400CE: message-id=<20130304151604.911731400CE(a)onlo.htt-consult.com> Mar 4 10:16:04 onlo postfix/qmgr[30443]: 911731400CE: from=<rgm(a)onlo.htt-consult.com>, size=471, nrcpt=1 (queue active) Mar 4 10:16:04 onlo postfix/local[30528]: 911731400CE: to=<root(a)onlo.htt-consult.com>, orig_to=<root>, relay=local, delay=0.15, delays=0.08/0.01/0/0.06, dsn=2.0.0, status=sent (delivered to mailbox) Mar 4 10:16:04 onlo postfix/qmgr[30443]: 911731400CE: removed You have mail in /var/spool/mail/root Does anyone else use the .forward file? This should work. Of course I can modify the alias file for postfix, but .forward was always 'easier' to configure. If I have to plow through the postfix docs for this, I will, but I would think this should work.

6 12

Re: [CentOS] Centos6 ipsec troubles
by Leon Fauster 04 Mar '13

04 Mar '13

Am 04.03.2013 um 17:41 schrieb Steve Clark <sclark(a)netwolves.com>: > On 03/04/2013 10:45 AM, Riccardo Veraldi wrote: >> Hello, >> it looks like the usual way to do ipsec on centos5 won't work anymore on >> centos6 >> >> I installed ipsec-tools but an interface type IPsec is not recognized by >> the kernel >> >> ifup ipsec0 >> Device does not seem to be present, delaying initialization. >> >> >> I am not planning to use the awful OpenSwan, I Want to sue the Kame >> implementation which was working fine on CentOS5 >> >> any hints ? >> >> thank you >> >> Rick >> _______________________________________________ >> CentOS mailing list >> CentOS(a)centos.org >> http://lists.centos.org/mailman/listinfo/centos >> > Hmm... > > I have been using ipsec-tools on linux for a long time and was never had it create and ipsec0 device. > > Only when I was using FreeSwan years ago, did I see and ipsec device. this is specific to rhel5 - they have /etc/sysconfig/network-scripts/ifup-ipsec for that. in rhel6 this possibility was replaced https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Enterprise_Linux/6/h… -- LF

1 0

OT? : Big Yellow Cursor
by Beartooth 04 Mar '13

04 Mar '13

Last time I had a machine running CentOS (6.2 iirc) I had managed to get a big yellow arrow to show the mouse cursor. It was wonderful. Now I have machines running Fedora (17 & 18) and Puppy (5.0) -- and I need cursor symbols that my antiquated eyeballs can spot even through trifocals. Can anyone tell me a way to get my arrow back?? -- Beartooth Sciurivore, Curmudgeon On Line Viruses, trojans, and spyware, Oh My!

3 3

Re: [CentOS] Not installing avahi in a kickstart install
by Robert Moskowitz 04 Mar '13

04 Mar '13

On 03/03/2013 04:39 PM, Reindl Harald wrote: > > Am 03.03.2013 22:35, schrieb Robert Moskowitz: >> In the packages section of my kickstart I have: >> >> -avahi >> >> and I am still getting avahi and all of its rpms installed. I don't >> want avahi on my servers, how do I specify in a kickstart to NOT install it? > do not install packages which requires avahi? > which they are? > > try "yum remove avahi" and see what it lists after install.... > The list is too long. It includes firstboot! Easier just to disable it after install as I have been doing. Just thought I could prevent it from installing in the first place. I can put a %post in to turn it off at least.

3 3

Re: [CentOS] preventing apache from being a mail relay
by James B. Byrne 04 Mar '13

04 Mar '13

On Sun, March 3, 2013 18:57, Eddie G. O'Connor Jr. wrote: > If / when I get the guts to build my own Apache web server...I would > think that the ONLY way to do it would be to document > EVERYTHING....sort > of as a "Just-In-Case" policy?....or is it only after you've built > it?...and when you make CHANGES to your server....THAT'S when you > document everything?.... > The workflow I have adopted with respect to system administration is to use a project management application, such as Trac (originally) or Redmine/ChileProject (currently), and to open an issue for each activity that I perform on any of my servers. Therein I record the motivation for the activity, the desired and intended result, and log my time. I also record each problem that is encountered, solutions as they are found, and insights as they are revealed. I attach configuration files, copies of related email messages, and make any notes right on the issue. As Redmine allows full-text case-insensitive searches I can usually find in fairly short order the details about anything I have done that I can at least dimly recall doing. I add subsequent maintenance events either directly to the original issue or create a new issue and link that to the original. While hardly perfect this practice has saved my behind on several occasions. In fact I would recommend that one document each package install from the initial selection of the software and go on from there. I have had occasion where the question asked of me was "why was this package selected instead of that package?" Having the answer to hand along with the evidence has short-circuited the blame-game on at least one occasion. -- *** 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

1 0

Tomcat query from complete newbie
by Timothy Murphy 04 Mar '13

04 Mar '13

I'm a complete tomcat beginner - (I installed it on my CentOS-6.3 server this morning.) According to the web-interface on port 8080 tomcat is running fine. Basically, I want to allow a Java program I have written (which works well) to be run over the internet. This is to test students understanding of Turing machines. The student has to enter a short "program" (consisting of 20-80 "quadruples"). My program will then test if the program does what it is meant to do. So the student enters his program (about 1k), eg by pasting from a file - the program should then run, and the student should see what it outputs. I'm looking for advice on the best way to set this up. As I understand it, tomcat can either be run "standalone" or "behind apache". I am running httpd on the server, so either method should be available. It seems that the standalone option is simpler, so I would probably prefer that. Any and all suggestions gratefully received.

3 3

acrobat reader for x86_64?
by Fred Smith 03 Mar '13

03 Mar '13

Adobe doesn't seem to have acroread for x86_64 linux, or at least I don't see it anywhere. Anybody know otherwise? Evince and other tools work pretty well, but I have always liked having the "real thing" around for those occasions when they don't. -- ---- Fred Smith -- fredex(a)fcshome.stoneham.ma.us ----------------------------- I can do all things through Christ who strengthens me. ------------------------------ Philippians 4:13 -------------------------------

7 9

preventing apache from being a mail relay
by Robert Moskowitz 03 Mar '13

03 Mar '13

I am trying to recall back at least 2 years, and my notes are poor, and my searching appears to be worst... Seems I recall that last when I set up my apache server, the spammers were posting to it so it would send out the spam on port 25. There was some conf that I did to block this, but I did not document it, and I can't find any reference to this. I don't think my memory is that bad, but it IS sunday... I don't want to put up this new server and have it flooding the world with spam and then get the server blocked. So do I remember correctly that this was a problem? Is it still, and how is this prevented? Thanks. Am putting up better notes this time around.

5 7

Centos6.4 via CR-repo; boot problems
by jvermeulen 03 Mar '13

03 Mar '13

Dear All, after updating to Centos6.4 via cr-repo, my laptop hangs on: starting crond : ok I booted in single user mode but I'm not sure what to change .... The laptop is an older MSI, hardware details attached. what could be the issue here? greetings, J.

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Discuss March 2013