Discuss June 2017

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90 participants
76 discussions

Centos7 on MacBook air 2017 model
by C. L. Martinez 12 Jun '17

12 Jun '17

Hi all, Anyone have tried to install centos7 in kaby lake model or almost in previous model (2015 if I am not wrong). Experiences?? Is refind needed?? Thanks.

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Wrote Yum Plugin - got a question about arguments
by Andreas Benzler 11 Jun '17

11 Jun '17

Hello Guys I have written a small yum plugin. My question: How can I convert the arguments to a string to output them inside a hook. I can use many programming languages, but unfortunately no python to understand the documentation properly. http://yum.baseurl.org/api/yum-3.2.26/yum.plugins.ArgsPluginConduit-cla ss.html def init_hook(conduit): conduit.info(2, 'Hello world') conduit.getArgs() InitPluginConduit instance has no attribute 'getArgs' No matter if i put it into pretrans_hook or posttrans_hook. This time i take " ".join(commands). Thanks Andy

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Some file management functions in the right mouse are missing
by sunyeping 11 Jun '17

11 Jun '17

Dear all, I recently installed CENTOS7. I find that Some file management functions, such as creating new file, arranging file by size, arranging file by data, etc., in the right mouse are missing, and the item "creating new folder is present, but it is grey. These right mouse items are availabe in centos 6. How could they be added in Centos 7? Thanks in advances. Yeping Sun

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C7, systemd, say what?!
by m.roth＠5-cent.us 10 Jun '17

10 Jun '17

I just updated a system - as in minutes ago, and log back in after it reboots, and this is in dmesg: [ 88.202272] systemd-readahead[484]: open(/var/tmp/dracut.fP4yj1/initramfs/usr/bin/loginctl) failed: Too many levels of symbolic links [ 88.202515] systemd-readahead[484]: open(/var/tmp/dracut.fP4yj1/initramfs/usr/lib/systemd/system/dracut-emergency.service) failed: Too many levels of symbolic links Anyone know what this is - some weird bug, a garbage message? mark

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test builds on private server updates (mesa, kernel)
by Andreas Benzler 09 Jun '17

09 Jun '17

Hello Guys, I really wanted to just update mesa. But the Linux kernel was also done quickly. - Mesa 17.1.2 (remove sanitizy check, otherwise fail to built) - Kernel 4.11.4 can be found at: http://centos.cms4all.org/repo/7/kernel/ http://centos.cms4all.org/repo/7/mesa/ Unfortunately still no time found to care about winehq. OK. My daughter plays under the same driver stack in manjaro linux World of Warcraft for hours and my Fedora in the business also runs stable over several days without failures. https://copr.fedorainfracloud.org/coprs/andybe/ Good night. Andy

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using autofs on C-7
by Fred Smith 09 Jun '17

09 Jun '17

Hi all! I'm trying to set up autofs on my C7 netbook so I can automount a cifs share (actually two) from my NAS box, and because when I'm not at home I don't want it attempting to mount it. so I've read several howtos on it, including the one on the CentOS Wiki. but what I've got isn't working right, and I don't know why. I'm trying to follow the "even-better method", but am finding I don't understand the syntax of entries, so I'm flailing around trying different things. so, here's what I have now: in /etc/auto.master: /mnt/syno-fredex /etc/auto.syno-fredex I added /etc/auto.syno-fredex: /mnt/syno-fredex -fstype=cifs,rw,credentials=/root/.smbcred,defaults,uid=fredex,gid=fredex,noauto,users,exec,vers=3.0 ://nasbox/home my goal is to mount //nasbox/home as /mnt/syno-fredex so I do systemctl restart autofs and it appears to restart (no messages appear). when I then do "ls /mnt/syno-fredex" it doesn't appear to actually get mounted, and /var/log/messages doesn't show anything. I'd appreciate advice on this matter. thanks in advance! Fred -- ---- Fred Smith -- fredex(a)fcshome.stoneham.ma.us ----------------------------- I can do all things through Christ who strengthens me. ------------------------------ Philippians 4:13 -------------------------------

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kvm/qemu and CPU load
by hw 08 Jun '17

08 Jun '17

Hi, I have a server using its 4 physical network interfaces bonded, with the bonding interface added to a bridge. The bridge has the IP, and three VMs are using the bridge. Two of the VMs are running Debian, one is running Windoze 7. CPU load caused by the qemu-kvm processes is way higher than I´m happy with. One of the Debian machine causes around 22% while it´s basically idle, the other one is around 3%, and the Windoze one is around 50. They are all mostly idle. I can observe that when some network traffic is going on with the Windoze machine, it causes a CPU load of 200%. "Some network traffic" means that virt-top is showing 1M/2M RX/TX. Considering that the bonding interface is theoretically capable of handling 4Gbit full duplex, the 3Mbit are neglectable. Virtio drivers are being used. Currently, virt-top shows 1.9% CPU for the Windoze machine and top shows 22% CPU load for the corresponding qemu-kvm process. There is almost not network traffic. The VM has 4 CPUs assigned. What may cause the high CPU load? Something must be seriously wrong for an idle machine causing 22% CPU load and for the same machine, still basically idle, with a some network traffic to cause 200% CPU load on a Xeon 5690.

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C6 or C7 for an old netbook
by m.roth＠5-cent.us 08 Jun '17

08 Jun '17

I've got an old HP Netbook, which is just fine for taking with when I'm travelling, to check email and news. I have a very old Ubuntu netbook-remix on it, and it really, *really* needs to be updated to something current. I, of course, would prefer CentOS.... The question is: I see that *if* the specs I just looked up (I'm at work, not home, where I could just turn it on, but they sound right) Atom N270 CPU, 2G RAM, 160GB drive - what should I put on it, C6 or C7? Upgrading the memory's not going to happen, so it's got to live with that size. Opinions (please, no flame wars), just what will be most responsive on a machine this small? mark

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bind update flubbed somehow?
by Jason Welsh 07 Jun '17

07 Jun '17

hey folks, we upgraded bind last night to bind-9.8.2-0.62.rc1.el6_9.1.x86_64 and now our server seems to not be able to update. Whenever we add records and update the soa and reload, it still shows the old data.. so for example, we have [root@bind1 /var/named]$grep servername domainname.net.zone [root@bind1 /var/named]$nslookup -port=5353 servername 10.115.76.87 Server: 10.10.76.87 Address: 10.10.76.87#5353 Name: servername.domainname.net Address: 10.66.35.106 but when I grep the file from the zone file, it is not there.. grep servername domainname.net.zone <returns nothing> ive tried restarting the named a few times.. Im not seeing much that looks like its related in the logs.. any ideas? there is no selinux enabled here. Jason

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Crazy thought about upgrading to new major release
by Jerry Geis 07 Jun '17

07 Jun '17

I have older systems out there that work fine, just for what ever reason would be great to upgrade from a C5 -> C7 (due to no longer supported) or C6 > C7 (for updated packages). Sounds like the upgrade tool is not quite an option... I was thinking... What would be wrong with any "easy" script that did the following: 1) Removed all packages with the --justdb option. 2) Import the RPM-GPG-KEY-CentOS-7 3) install the centos-release-7.3.1611 ... rpm 4) yum -y upgrade 5) yum groupinstall "GNOME Desktop" (for example) and reboot of course. Does that have any chance or working and be valid? Thanks, Jerry

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Discuss June 2017