Discuss May 2016

discuss@lists.centos.org

155 participants
151 discussions

devtoolset-4
by Jarosław Bober 22 May '16

22 May '16

Hello, my name is Jarek I am new here. I need some clarifications on how to distribute an app developed with devtoolset-4 enabled. I am developing a distributed app in c++ I wanted to upgrade toolchain to use new standard. Is it true that when I compile on centos 6.x with devtoolset enabled then I will be able to run this app on centos 7.x as well? Do I have to install devtoolset on all my machines that I want to run this app? Or would it use built-in libstdc++ library, linking statically only the missing parts? This confuses me a bit. Regards, -Jarek

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DOS line ends on /var/log/boot.log on CentOS 6.7 ?
by Kay Schenk 21 May '16

21 May '16

Hello all -- Recently, I'm seeing DOS line ends, ^M, on my /var/log/boot.log file. Honestly, I don't check this very often so I can't say exactly when this occurred. Is this just MY experience or are others seeing this also. Additionally, boot/log seems very sparse. Is an old issue still in force on this? https://www.centos.org/forums/viewtopic.php?t=17313 Should I get the updated script from CentOS Plus? Thanks for any help. -- ---------------------------------------------------------------------- MzK "Time spent with cats is never wasted." -- Sigmund Freud

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Calibrating Centos Screen
by John Githambo 21 May '16

21 May '16

Hello, Kindly assist. I have an issue with Centos Touch screen. The usb mouse is working but touch screen is not working even after reinstalling centos. Kindly assist on how I can calibrate my screen. Hardware:Beckhoff Screen Centos Version: Centos6

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bareos on CentOS 6
by m.roth＠5-cent.us 21 May '16

21 May '16

Hi, folks, I'm hoping *someone* here has worked a bit with bareos. I've tried posting to the google groups for it... and haven't even had one person view my post.... It was working fine, backing up windows boxes for months. Then, about a week ago, the server got a regular yum update, and rebooted... and it's broken. A job will start... and just keep running forever (as in, over the weekend) and never end; normally, they were all done in a few hours. I stopped bareos-dir, then -fd, then -sd, restarted, no joy. Then I tried shutting them all down, and service restart postgres, and *then* starting up -sd, -fd and -dir. I was starting them manually Friday, and they'd run and finish. But the nightly b/u, a job started... and was still running yesterday. Anyone have any ideas? mark

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enlarging partition and its filesystem
by Fred Smith 20 May '16

20 May '16

Hi all! I've got a VM at work running C6 on HyperV (no, its not my fault, that's what the company uses. I'd rather gag myself than own one of th ose things.) I ran out of disk space in the VM, so the admin enlarged the virtual disk. but now I realize I don't know how to enlarge the partition and its filesystem. I'll be googling, but in case I miss it, it'd be great if someone could point me in the right direction. thanks! Fred -- ------------------------------------------------------------------------------- Under no circumstances will I ever purchase anything offered to me as the result of an unsolicited e-mail message. Nor will I forward chain letters, petitions, mass mailings, or virus warnings to large numbers of others. This is my contribution to the survival of the online community. --Roger Ebert, December, 1996 ----------------------------- The Boulder Pledge -----------------------------

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ati fglrx vs amdgpu absolutely mad on R5 m255 vs IRIS P520
by Andreas Benzler 19 May '16

19 May '16

Hello guys, native drivers are mad for my laptop: Downgrade to native centos kernel vmlinuz-3.10.0-327.18.2.el7.x86_64. fglrx glxgears around ~800 in 5 seconds my test with amdgpu kernel 4.6 (intel vs amdgpu): [andy@localhost ~]$ cat /proc/version Linux version 4.6.0-1.el7.centos.x86_64 (andy(a)localhost.localdomain) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-4) (GCC) ) #1 SMP Thu May 19 18:48:16 CEST 2016 AMD ICELAND R5 M255 [andy@localhost ~]$ vblank_mode=0 DRI_PRIME=1 ./glxinfo.sh ATTENTION: default value of option vblank_mode overridden by environment. OpenGL vendor string: X.Org OpenGL renderer string: Gallium 0.4 on AMD ICELAND (DRM 3.1.0, LLVM 3.8.0) OpenGL core profile version string: 4.1 (Core Profile) Mesa 11.2.2 OpenGL core profile shading language version string: 4.10 OpenGL core profile context flags: (none) OpenGL core profile profile mask: core profile OpenGL core profile extensions: OpenGL version string: 3.0 Mesa 11.2.2 OpenGL shading language version string: 1.30 OpenGL context flags: (none) OpenGL extensions: OpenGL ES profile version string: OpenGL ES 3.0 Mesa 11.2.2 OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00 OpenGL ES profile extensions: [andy@localhost ~]$ vblank_mode=0 DRI_PRIME=1 glxgears ATTENTION: default value of option vblank_mode overridden by environment. 10657 frames in 5.0 seconds = 2131.338 FPS 10748 frames in 5.0 seconds = 2149.570 FPS 10774 frames in 5.0 seconds = 2154.730 FPS 10774 frames in 5.0 seconds = 2154.669 FPS 10772 frames in 5.0 seconds = 2154.385 FPS Intel(R) HD Graphics 5500 (Broadwell GT2) [andy@localhost ~]$ vblank_mode=0 DRI_PRIME=0 ./glxinfo.sh ATTENTION: default value of option vblank_mode overridden by environment. ATTENTION: default value of option vblank_mode overridden by environment. OpenGL vendor string: Intel Open Source Technology Center OpenGL renderer string: Mesa DRI Intel(R) HD Graphics 5500 (Broadwell GT2) OpenGL core profile version string: 3.3 (Core Profile) Mesa 11.2.2 OpenGL core profile shading language version string: 3.30 OpenGL core profile context flags: (none) OpenGL core profile profile mask: core profile OpenGL core profile extensions: OpenGL version string: 3.0 Mesa 11.2.2 OpenGL shading language version string: 1.30 OpenGL context flags: (none) OpenGL extensions: OpenGL ES profile version string: OpenGL ES 3.1 Mesa 11.2.2 OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.10 OpenGL ES profile extensions [andy@localhost ~]$ vblank_mode=0 DRI_PRIME=0 glxgears ATTENTION: default value of option vblank_mode overridden by environment. ATTENTION: default value of option vblank_mode overridden by environment. 35639 frames in 5.0 seconds = 7127.733 FPS 36456 frames in 5.0 seconds = 7291.007 FPS 37647 frames in 5.0 seconds = 7529.270 FPS 35838 frames in 5.0 seconds = 7167.497 FPS 35601 frames in 5.0 seconds = 7120.093 FPS 35087 frames in 5.0 seconds = 7017.222 FPS Sincerely Andy

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Re: [CentOS] CentosPlus
by James B. Byrne 19 May '16

19 May '16

On Wed, May 18, 2016 07:39, Mauricio Tavares wrote: > On Wed, May 18, 2016 at 4:32 AM, James Hogarth > <james.hogarth(a)gmail.com> wrote: >> On 17 May 2016 20:52, "Mauricio Tavares" <raubvogel(a)gmail.com> >> wrote: >>> >>> On Tue, May 17, 2016 at 3:04 PM, <cpolish(a)surewest.net> wrote: >>> > On 2016-05-17 12:09, jd1008 wrote: >>> >> Has anybody enabled this repo? >>> >> I understand that it can really mess up updates and upgrades >>> >> as the dependencies are rather different. . . . >>> > >>> Why not leave all the extra repos disabled, say >>> >>> sed -i -e 's/^enabled=1/enabled=0/' /etc/yum.repos.d/epel.repo >>> >>> and manually enable it when you need to get a package from said >>> repo: >>> >>> yum install -y libmcrypt --enablerepo=epel >>> >> >> Doing this means you won't get notified of updates in that repo. >> This is >> not a good idea. > > I see your point since you can setup repo priorities >> _______________________________________________ >> CentOS mailing list >> CentOS(a)centos.org >> https://lists.centos.org/mailman/listinfo/centos > > Having been bitten by this on several occasions I finally adopted the policy of using the -- includepkgs= -- option and specifically naming the packages that I want from a non-standard repo; and also using -- exclude= -- in the standard repo naming exactly the same packages as those included elsewhere. You can use globbing in the package names in both cases. It is a little more work to set up but it is a lot safer to my way of thinking, particularly where there are multiple sysadmins involved. -- *** e-Mail is NOT a SECURE channel *** Do NOT transmit sensitive data via e-Mail Do NOT open attachments nor follow links sent by e-Mail 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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Re: [CentOS] google cloud compute with PEM file
by James B. Byrne 19 May '16

19 May '16

On Tue, May 17, 2016 16:34, Dustin Kempter wrote: ere. >> > Here is the command and output > > > [test1@pgpool1 ~]$ ssh -v -i /home/test1/my-key.txt > upload(a)144.167.188.62 . . . > debug1: Authentications that can continue: > publickey,gssapi-keyex,gssapi-with-mic > debug1: Next authentication method: gssapi-keyex > debug1: No valid Key exchange context > debug1: Next authentication method: gssapi-with-mic > debug1: Unspecified GSS failure. Minor code may provide more > information > Credentials cache file '/tmp/krb5cc_501' not found > > debug1: Unspecified GSS failure. Minor code may provide more > information > Credentials cache file '/tmp/krb5cc_501' not found > > debug1: Unspecified GSS failure. Minor code may provide more > information > > > debug1: Unspecified GSS failure. Minor code may provide more > information > Credentials cache file '/tmp/krb5cc_501' not found > > debug1: Next authentication method: publickey > debug1: Offering public key: /home/test1/my-key.txt > debug1: Server accepts key: pkalg ssh-rsa blen 277 > debug1: PEM_read_PrivateKey failed > debug1: read PEM private key done: type <unknown> > Enter passphrase for key '/home/test1/my-key.txt': > debug1: No more authentication methods to try. > Permission denied (publickey,gssapi-keyex,gssapi-with-mic). > [test1@pgpool1 ~]$ > > > If SELinux is enabled then try this: restorecon -R ~/.ssh -- *** e-Mail is NOT a SECURE channel *** Do NOT transmit sensitive data via e-Mail Do NOT open attachments nor follow links sent by e-Mail 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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Installing 32-bit CentOS 6 on a new Lenovo System x3650 M5 server?
by Alfred von Campe 19 May '16

19 May '16

Is there any known incompatibility with the latest 32-bit (i386) CentOS 6 and the latest Lenovo x3650 M5 servers? I’ve been running i386 CentOS 6.X on 3 year old x3650 M4 servers without any issues. Our development environment has not been ported to 64-bit (x86_64) yet, so we are stuck using i386 for another few months. When I try to boot from the netinstall ISO image I just get a “Boot Failed” message. Has anyone had similar issues, and more importantly, figured out a way to workaround it? Alfred

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segfault, error 6 in libc-2.17.so
by Pepe Charli 19 May '16

19 May '16

Hi, CentOS Linux release 7.2.1511 quagga-0.99.22.4-4.el7.x86_64 When I start bgpd and have many routes in the server, I can not connect via ssh In /var/log/messages I see: sshd[21096]: segfault at 7ffefb51eff8 ip 00007f244a690969 sp 00007ffefb51f000 error 6 in libc-2.17.so[7f244a614000+1b7000] If I stop bgpd service, routes disappear and I can connect via ssh without problems. Can anybody help me? Thanks

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Discuss May 2016