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CentOS 6 kickstart missing 'shell command prompt' screen at ALT+F2
by David Copperfield 16 Apr '16

16 Apr '16

Hi, I've recently setup a centos 6 kickstart environment. Interesting fact is that the helpful 'shell command prompt' screen is missing when I press ALT+F2 key combination even on locally connected keyboard and monitor. ( my kickstart runs in text mode). All other screens can be found without issues with ALT+Fn key combination. I googled internet, and found someone reported similar issues, say, here is one link: http://serverfault.com/questions/322374/kickstart-virtual-console-no-shell-…. I read the link several times and still dont quite see why this happens, got confused at the following places: 1, when -- at which installation stage -- the 'shell command' screen will show up?2, if centos 6.6 and 6.7 comes without 'shell command prompt' screen with default installation media, then which installation media contains the file(s) that we can tune? /etc/inittab doesn't contain the entries related to tty consoles. Centos 7.x doesn't have the issues and it looks like centos 7 leverages a new method to get shell command prompt. Many thanks in advance. Best,David

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Re: [CentOS] Freeradius, openldap and TLS
by Patrick Laimbock 16 Apr '16

16 Apr '16

On 15-04-16 13:14, g wrote: > > > On 04/15/16 04:29, Patrick Laimbock wrote: >> On 15-04-16 00:39, Andrew Daviel wrote: > <<>> > > Patrick, > > 'threading breaking' is against centos etiquette and netiquette. > > replying thread breakers does nothing but encourage them to do so again. > > many subscribers frown on thread breakers and their responders. > > please help good etiquette by not responding to them. > > thank you. Please keep your posting on-list. It's unclear what you mean. I saw a new message on the ML and responded to it. Where did this 'threading breaking' take place? Patrick

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What's the difference between nmcli fields ipv4.addresses and IP4.ADDRESS?
by Joe Smithian 15 Apr '16

15 Apr '16

Hi All, nmcli tool in CentOS 7.1 uses same fields with upper and lower case with different meanings. What's the difference between pv4.addresses and IP4.ADDRESS in "nmcli con show" command? Where nmcli fields are documented? I searched online but didn't find nmcli documentation. RHEL 7 Networking Guide doesn't explain nmcli options in details. I'd appreciate your comments. Joe

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Re: [CentOS] CentOS 7.2 laptop wireless Intel Corporation Centrino Wireless-N 2230 (rev c4)
by Philip V 15 Apr '16

15 Apr '16

Output of dmesg / messages is found in a previous email (buried in the message thread) https://lists.centos.org/pipermail/centos/2016-April/158703.html Any advice? On Wed, Apr 13, 2016 at 10:42 PM, Philip V <pv.bugzilla+centos(a)gmail.com> wrote: > With CentOS 7.2 a laptop wireless card is recognized in dmesg, but > nonfunctional. Toggling the hardware wifi switch causes the Bluetooth > icon to appear and disappear. The network configuration window shows > the Wireless tab greyed out. Rebooting with the bluetooth enabled > does not help. It appears the appropriate driver is iwlwifi, which is > what works in Fedora and appears to be available and installed in > CentOS. > > lspci gives > 08:00.0 Network controller: Intel Corporation Centrino Wireless-N 2230 (rev c4) > > 1. How do I get this working? I am happy to work with command line tools. > > 2. Are there other packages I need? I installed wireless-tools, and > tried to fiddle with iwconfig and NetworkManager to no avail. iwconfig > does seem to interact with the wifi device. > > 3. Is there documentation I should be following to > understand/troubleshoot networking support? > https://wiki.centos.org/HowTos/Laptops/Wireless does not document the > iwlwifi driver.

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journaled quotas in CentOS6?
by Cal Sawyer 14 Apr '16

14 Apr '16

Hi CentOS 6.7 (kernel 2.6.32-573.el6.x86) ... Wanted to set up group quotas on a new ext4 filesystem. When i was initialising via quotacheck, received this message > quotacheck -vcg /HOMES quotacheck: Your kernel probably supports journaled quota but you are not using it. I liked sound of that, so i brushed up on the procedure and modified the mount line in fstab to: defaults,noatime,grpjquota=aquota.group,jqfmt=vfsv0 on doing a mount /HOMES -o remount, i was met with this: mount: /HOMES not mounted already, or bad option and was unable to mount the filesystem until i removed the journaling options I've come across how-tos and blogs by people who were doing this in CentOS6.5. The mount manpage makes no mention of jquotas Any thoughts on how to get jquotas in 6.7? thanks - cal

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Badlock bad luck
by Mogens Kjaer 14 Apr '16

14 Apr '16

Hello, I run a CentOS 6 machine with samba, serving approx. 150 Windows users with samba running as an NT-like PDC. After today's samba update (samba-3.6.23-30.el6_7.x86_64 etc.), nobody can log in. They all get the "Trust relationship failed" error message. If I downgrade: yum downgrade samba-common samba-winbind samba-winbind-clients samba-client samba samba-doc samba-domainjoin-gui libsmbclient - the problem goes away. What am I missing? Mogens -- Mogens Kjaer, mk(a)lemo.dk http://www.lemo.dk

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7.2 installer says "/dev/root does not exist"
by Anand Buddhdev 14 Apr '16

14 Apr '16

Hi folks, I have an existing CentOS 7.2 system, that I want to re-install. I copied /vmlinuz and /initrd.img into /boot, place my kickstart file into /boot, and created a grub2 menu entry for this, as follows: menuentry "Install CentOS 7" { insmod gzio insmod part_gpt insmod xfs set root=(hd0,2) linux /vmlinuz console=tty0 console=ttyS1,115200 inst.ks=hd:/dev/sda2/ks.cfg initrd /initrd.img } When I reboot and select this, the kernel boots, unpacks the initrd, and then exits with the warning "/dev/root" does not exist. What am I doing wrong? I thought this would be enough to get the installer to run and re-install the system from my kickstart file. Regards, Anand

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Regression in Xorg CPU usage between 6.4 and 6.7
by Dave Johansen 14 Apr '16

14 Apr '16

https://bugzilla.redhat.com/show_bug.cgi?id=1320334 Has anyone else noticed this? Thanks, Dave

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CentOS Community Posters and RH summit
by Jim Perrin 14 Apr '16

14 Apr '16

The CentOS Project is going to be in the community space at Red Hat Summit this year. Summit's community theme is centered around NASA's JPL poster designs (http://www.jpl.nasa.gov/visions-of-the-future/ ) , and we'd like to make sure that our booth is appropriately dressed, and that our community is appropriately represented. If you enjoy spending hours doing design work so that other people can give it away for free, then please submit your designs! You can either submit them to the CentOS mailing list here, or via a pull request to our community arwork repository on github ( https://github.com/CentOS/Artwork ). The deadline for submission is midnight Eastern Time on Monday April 25th. Thanks and lets see your ideas! -- Jim Perrin The CentOS Project | http://www.centos.org twitter: @BitIntegrity | GPG Key: FA09AD77

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selinux getsebool request
by John Jasen 13 Apr '16

13 Apr '16

Out of faint curiosity, how do we push change requests upstream to RHEL? I'm using puppet to automate systems, including the application of SELinux policy. While setsebool -P is non-damaging to repeat, it is time consuming -- taking about 45 seconds per execution to process the existing policy and re-commit to disk. I'd like a simple ability to put an unless in the execution of setsebool, to key off whether its necessary -- to reduce a SELinux puppet run from 250 seconds to about 60. Unfortunately, in the current format, getsebool has defeated me. Would it be possible to have getsebool extended, so something like getsebool -b $variablename would return true or false as the exit code?

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