Discuss March 2014

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167 participants
146 discussions

sssd run level get turned off automagically
by Arun Khan 25 Mar '14

25 Mar '14

CentOS 6.5 (AMD64) LDAP DS: via SSSD When I did the OS installation (client site), I had turned the service ON with 'chkconfig sssd on' and 'chkconfig sssd --list' showed that it was ON However, whenever the server has been 'hard' rebooted, 'service sssd status' shows that it is not running. 'chkconfig sssd --list' shows it is OFF! I don't understand how it is automagically turned off. Any ideas what could be the problem. <transcript> [root@storage ~]# chkconfig sssd --list sssd 0:off 1:off 2:on 3:off 4:off 5:off 6:off [root@storage ~]# chkconfig sssd on [root@storage ~]# chkconfig sssd --list sssd 0:off 1:off 2:on 3:on 4:on 5:on 6:off [root@storage ~]# service sssd start Starting sssd: [ OK ] [root@storage ~]# service sssd status sssd (pid 3511) is running... </transcript> -- Arun Khan

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Dovecot Port 993 and 995 not connecting.
by Carlos Sura 25 Mar '14

25 Mar '14

Hello Mates, I am facing a really weird issue with my mail server, somehow I cannot connect using port 993. It works with 143 but not 993 nor 995. Here is a little bit of more information: # telnet localhost 143 Trying ::1... telnet: connect to address ::1: Connection refused Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE STARTTLS AUTH=PLAIN AUTH=LOGIN AUTH=CRAM-MD5] Dovecot ready. --------------- ]# telnet localhost 993 Trying ::1... telnet: connect to address ::1: Connection refused Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. Connection closed by foreign host. -------------------- netstat -lnp | grep 993 tcp 0 0 0.0.0.0:993 0.0.0.0:* LISTEN 5454/dovecot netstat -lnp | grep 995 tcp 0 0 0.0.0.0:995 0.0.0.0:* LISTEN 5454/dovecot ------------- postconf -n http://tny.cz/ed4d7ecb dovecotconf http://tny.cz/a6506b10 Any advice or help? Thanks -- Carlos Sura.- www.carlossura.com www.carlossura.com/blog

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Re: [CentOS] has anybody gotten horde working?
by benfell＠parts-unknown.org 24 Mar '14

24 Mar '14

On Mon, Mar 24, 2014 at 10:49:17PM +0100, Reindl Harald wrote: > > Jan Schneider is an idiot closing reproduceable bugreports > years ago and refuse clear and valid changes to avoid them > > just drop that crap and use a different solution like Roundcube > which is not splitted in a ton of unmaintainable subpackages > *sigh* Unfortunately, this sounds right. This is only about the zillionth time I've tried to get horde working--and this is as far as I've gotten. Unfortunately, the openpgp plugin for roundcube also seems broken. It doesn't sign messages even in a format *it* can recognize (and I've confirmed that nothing else recognizes its signatures either). Thanks! -- David Benfell <benfell(a)parts-unknown.org> See https://parts-unknown.org/node/2 if you don't understand the attachment.

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USB thermometer - perl script - problem
by Jussi Hirvi 24 Mar '14

24 Mar '14

Hopefully someone here could help. I need to debug, but I don't know much about perl. I bought a cheap USB thermometer: http://www.amazon.com/dp/B002VA813U?tag=grepular02-20 And found directions for use (for Linux) here: https://grepular.com/Using_Linux_to_Monitor_Room_Temperature_Remotely_and_C… On a CentOS 6 machine, I have connected the USB device (it shows here as "Microdia": [root@farm2 scripts]# lsusb Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 003: ID 0424:2514 Standard Microsystems Corp. USB 2.0 Hub Bus 001 Device 006: ID 0c45:7401 Microdia With CPAN, I installed the Perl module Device::USB::PCSensor::HidTEMPer, as directed. That seemed to be successful. Now my perl script (as copied from grepular.com, see above) gives no error messages about missing modules. But I should get a temperature reading as output. Instead, I get no output at all. When I add to the script this: print $pcsensor; I get this as output: Device::USB::PCSensor::HidTEMPer=HASH(0x14d8900) But this: $pcsensor->list_devices(); gives no output. How could I debug this? - Jussi

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sendmail delay in presenting banner
by Gregory P. Ennis 24 Mar '14

24 Mar '14

I am using a Centos 6.5 machine as a mail server with sendmail as the MTA. I have a problem with a delay of sendmail presenting its banner so that the process of accepting e-mail can begin. The log files demonstrate as much as a 2 minute delay between the connection and the banner presentation. #telnet Mail.DOMAIN.com 25 Connected to mail. Escape character is '^]'. < two minute delay before the next line is presented> h220 Mail.DOMAIN.com. ESMTP Sendmail 8.14.4/8.14.4; Sun, 23 Mar 2014 10:17:44 -0500 Log entries on the mail server for the above connection: Mar 23 10:16:05 Mail sendmail[31229]: NOQUEUE: connect from NAME.DOMAIN.com [10.0.0.187] Mar 23 10:17:44 Mail sendmail[31229]: AUTH: available mech=GSSAPI CRAM-MD5 DIGEST-MD5, allowed mech=EXTERNAL GSSAPI DIGEST-MD5 CRAM-MD5 LOGIN PLAIN I have made the observation that if I put in the following line in the access file the 2 min delay goes away Connect:10.0.0.187 RELAY Obviously I can not set up a relay for every ip address, but this does solve the problem for internal network delivery of mail to the mail server. I am using named for local dns service and have not been able to identify any errors or problems. When I evaluate nslookup NAME.DOMAIN.com 127.0.0.1 I appropriately get 10.0.0.187 So far I am stumped on this problem, if any of you have suggestions I would appreciate your help Greg Ennis

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Re: [CentOS] [CentOS} Does anyone use tcp_wrappers?
by adrian＠pa0rda.nl 23 Mar '14

23 Mar '14

Most certainly YES!!! Next to iptables tcp_wrappers is a solid seconde line of defense. The argument that is is no longer developped is rubbish. The package does what is should do, functionality isexactly what it should be and it is bug free. Also it is flexible enough to do other tricks with it like spawning something depending on the ip address the incoming connection is coming from. It is a great product thanks to Wietse Venemaand others who integrated it to e.g. ssh. Dont drop it please!!!!!!!!!!! Adrian -- Adri P. van Bloois Antonlaan 104 email: adrian(a)pa0rda.nl 3701 VG Zeist voice: +31-(0)-30-6912741 The Netherlands fax: NONE 52 05'15.77"N 5 4'44.56"E QTH-locater JO 22 OC "When all is said and done, there is more said than done"

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OT: DELL PERC H200
by m.roth＠5-cent.us 23 Mar '14

23 Mar '14

Does anyone know if a PERC H200 is a real RAID controller? I'm about to build a box to CentOS 6.5 (it was Windows...) with RAID 6 on Monday, and this PE R610 has this.... I'm familiar with PERC 6 and 7s, but just dunno 'bout this one. mark

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RHEL/CentOS 7 Dual boot with CentOS 5.x/6.x - default boot quick solution/howto
by Ljubomir Ljubojevic 23 Mar '14

23 Mar '14

I have RHEL 7 Beta installed in dual boot with CentOS 6.x. Since RHEL 7 installed GRUB2, I had problem that RHEL 7 is default boot. My personal solution was to go to /etc/grub.d and run command: mv 10_linux 31_linux grub2-mkconfig -o /boot/grub2/grub.cfg Explanation: - /etc/grub.d is where grub2 writes down config files used to create boot menu. - OS-prober creates 30_os-prober file in /etc/grub.d - 10_linux is created for RHEL/CentOS 7.x system installed. If you change order of files in /etc/grub.d (numbers at the start of the files) the list generated with grub2-mkconfig will change order in the GRUB2 menu :) Fedora/RHEL 7.x have a changed GRUB2 so for further reading read: 5.3 Multi-boot manual config: http://www.gnu.org/software/grub/manual/grub.html#Multi_002dboot-manual-con… and Fedora GRUB Wiki: http://fedoraproject.org/wiki/GRUB_2 -- Ljubomir Ljubojevic (Love is in the Air) PL Computers Serbia, Europe StarOS, Mikrotik and CentOS/RHEL/Linux consultant

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Changing isolinux/splash.jpg on custom ISO
by Digimer 22 Mar '14

22 Mar '14

Hi all, I know I've done this in the past, but I can't seem to get it working today... I want to roll my own ISO and use custom splash.jpg. If I roll the ISO with the stock splash.jpg, it works. When I save my own 800x600 .jpg as splash.jpg though, I get a black screen. I made sure the permissions and ownership was the same. Is there a special way that the JPG has to be save for it to be used? Thanks! -- Digimer Papers and Projects: https://alteeve.ca/w/ What if the cure for cancer is trapped in the mind of a person without access to education?

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Re: [CentOS] Does anyone use tcp wrappers (hosts.allow/hosts.deny) anymore?
by James B. Byrne 22 Mar '14

22 Mar '14

On Thu, March 20, 2014 18:52, Les Mikesell wrote: > xml isn't intended for humans - it is supposed to be parsed and > verified by machines. The bigger question is why the machines aren't > managing the config files themselves yet? > Possibly because the machines are running programs written by humans that need to understand what they think they have told the machine to do in order to determine why it is not doing what they want it to? -- *** 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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Discuss March 2014