Re: [CentOS] how to limit cpu usage for specified processes

2016-09-07 Thread Sander Kuusemets
Hello, You could do it with Cgroups, if your specified processes run or can be made to run in group permissions. https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Resource_Management_Guide/sec-cpu_and_memory-use_case.html Regards, -- Sander Kuusemets University

[CentOS] NetworkManager default route

2016-03-19 Thread Sander Kuusemets
now I could set never-default to the interfaces, but I shouldn't have to do it to every machine I had. Especially bad was the situation when I had two VLANs and a normal ethernet interface, and dhclient tried to ask a lease for the ethernet over the VLAN. Best regards, -- Sander

Re: [CentOS] NetworkManager default route

2016-03-19 Thread Sander Kuusemets
Because I /*shouldn't */have to do that. It comes as a default network management service, so it's a bit counter-intuitive to have it drop the connection every few hours. And some parts of it are actually pretty good (nmcli -p con show). -- Sander Kuusemets University of T

Re: [CentOS] Extending a CentOS disk without reboot

2015-12-24 Thread Sander Kuusemets
I did not do pvresize because neither "pvs" or "pvdisplay" reported to have free space. After reboot they did, after which doing pvresize worked successfully. Sander Kuusemets University of Tartu, High Performance Computing, IT Specialist Skype: sander.kuusemets1 +372 737

[CentOS] Extending a CentOS disk without reboot

2015-12-21 Thread Sander Kuusemets
there any other way I'm missing? Is this caused by the fact that I was trying to resize a partition that is under the root file system? If so, then is it really impossible to do it live? Thanks, -- Sander Kuusemets University of Tartu, High Performance Computing, IT Specialist

Re: [CentOS] Cannot boot

2015-11-20 Thread Sander Kuusemets
You have to boot from a live boot disk, chroot into your old system's filesystem, mount all partitions properly and then download and rebuild the kernel and grub config. You can try just "yum install kernel" aswell, but I'm not sure whether it'd work. Best regards, -

Re: [CentOS] Cannot boot

2015-11-20 Thread Sander Kuusemets
Hey, You'll need to be a bit more specific on how it hangs and when. Which part of the boot-up sequence, is there any errors on screen, and so on. Best regards, -- Sander Kuusemets On 11/20/2015 10:48 AM, Siva Prasad Nath wrote: Hi, My server not able to boot up. It is hanging afte