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34745 discussions

VMWare Workstation 14 on CentOS 7?
by wwp 12 Nov '17

12 Nov '17

Hello, did anybody succeed in installing/updating to VMWare Workstation 14.0.0-6661328 on an updated CentOS 7 (kernel 4.9.54-203.el7.centos.x86_64)? Here it fails at building vmmon/vmnet modules. I couldn't find anything about this on the Internet.. WS seems to get less popular and unfortunately reproduces the same inability to install upon kernel updates, that drives me nut for years now. Please don't suggest other VM sw, I'm stuck to VMWare WS at work.. Regards, -- wwp

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slow libreoffice
by hw 12 Nov '17

12 Nov '17

Hi, so what do I need to install to prevent libreoffice from being so slow that it becomes unusable? This issue has been there with Fedora years ago, and now there´s same issue with Centos. Back then, there was a package you could install to make it work at normal speeds, but last time I checked, this package doesn´t exist anymore. This issue is particular to the Fedora/Centos versions of libreoffice and does not occur with other builds like the one you can download from the libreoffice web site. I was trying to make a chart and it became so slow that it´s unusable. I guess scrolling is only fast enough because I have a powerful graphics card.

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home on nfs
by hw 12 Nov '17

12 Nov '17

Hi, I have the home directory of a user on an nfs server and mount it on a client. When the user logs in, they end up in the root directory rather than in their actual home directory and need to cd into it. The user can read and write to their home directory, so it kinda works fine --- but only kinda. When the user starts emacs, some of the settings in ~/.emacs are not applied, but the saved desktop is being loaded. Both machines are running Centos 7.4. What could be wrong with the nfs mount? -- "Didn't work" is an error.

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Advice for storage location ...
by Walter H. 11 Nov '17

11 Nov '17

Hello, I have an incoming mailserver, and there I'm implementing a mailfilter, which I did like this: http://www.postfix.org/FILTER_README.html#simple_filter there they use /var/spool/filter in this sample script the temporary file is deleted; can I keep it there for a short time (1 week)? Thanks, Walter

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CentOS 7 + NVidia Quadro 2000 graphic card
by Nicolas Kovacs 11 Nov '17

11 Nov '17

Hi, I'm currently trying to install CentOS 7 (desktop) on a Lenovo workstation with an NVidia Quadro 2000 graphical card. Normally I know my way around NVidia cards and how to configure them either using the ELRepo drivers or those downloaded from nvidia.com. I have written a corresponding article on my blog: https://blog.microlinux.fr/nvidia-centos/ But this time it looks like I have no luck. ELRepo's nvidia-detect utility detected the 'kmod-nvidia' driver, but installing it gave no result. No X. Then I tried a manual install, blacklisting nouveau, installing the necessary build tools, etc. The driver would build OK, but again, no luck, no X. Has anybody got this card to behave under RHEL/CentOS 7 ? Cheers, Niki -- Microlinux - Solutions informatiques durables 7, place de l'église - 30730 Montpezat Web : http://www.microlinux.fr Mail : info(a)microlinux.fr Tél. : 04 66 63 10 32

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virt-install cannot mount virtio iso during installation
by Periko Support 11 Nov '17

11 Nov '17

Hi guys. I have seen, read and test to install a windows 7 vm under centos 6 and kvm. I have install windows under kvm a lot of times, but is my first time with virtio. I want to try virtio drives, I have install virtio from fedora repo, download the iso, etc. I have try different options trying to understand how kvm want the option to add my virtio iso drive as cdrom. virt-install --name virtio --description='Windows 7 Virtio x64' --memory 4096 --vcpus 2 --arch=x86_64 --cdrom /var/isos/win7_prox64.iso --os-variant win7 --disk /dev/vg_vms1/virtio,bus=virtio --disk /opt/virtio-win-0.1.141.iso,device=cdrom,bus=ide --network bridge=br0,model=e1000 --graphics vnc,listen=192.168.2.16,password=cocacaco --noautoconsole --check-cpu virt-install --name virtio --description='Windows 7 Virtio x64' --memory 4096 --vcpus 2 --arch=x86_64 --cdrom /var/isos/win7_prox64.iso --os-variant win7 --disk /dev/vg_vms1/virtio,bus=virtio --disk /opt/virtio-win-0.1.141.iso,device=cdrom --network bridge=br0,model=e1000 --graphics vnc,listen=192.168.2.16,password=cocacaco --noautoconsole --check-cpu virt-install --name virtio --description='Windows 7 Virtio x64' --memory 4096 --vcpus 2 --arch=x86_64 --cdrom /var/isos/win7_prox64.iso --os-variant win7 --disk /dev/vg_vms1/virtio,bus=virtio --disk path=/opt/virtio-win-0.1.141.iso,device=cdrom --network bridge=br0,model=e1000 --graphics vnc,listen=192.168.2.16,password=cocacaco --noautoconsole --check-cpu virt-install --name virtio --description='Windows 7 Virtio x64' --memory 4096 --vcpus 2 --arch=x86_64 --cdrom /var/isos/win7_prox64.iso --os-variant win7 --disk /dev/vg_vms1/virtio,bus=virtio --disk /opt/virtio-win-0.1.141.iso,device=cdrom,bus=ide --network bridge=br0,model=e1000 --graphics vnc,listen=192.168.2.16,password=cocacaco --noautoconsole --check-cpu etc etc. Once I remove my 2nd disk my installation goes well, but my object is to try virtio drives. Every time I try windows boot say : boot failed : could not read from CDROM(code 0004) Can some one point where is my error and fix my parameters, I will appreciated and ready to learn more, thanks for your time!!!

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XFS quota usage mismatch on CentOS 6 ?
by James Pearson 10 Nov '17

10 Nov '17

We have a number of home directory servers running CentOS 6 exporting XFS file systems over NFSv3 We enable user quotas for all users - with a relatively small allocation to each user Every now and then, we get a user that has a quota mismatch - where they are (usually) over their quota, but their actual usage (via du) is significantly less This happens on any of the servers I suspect that the mismatch is probably due to file space being allocated on the server, but somehow not referenced by a file - may be by deleted files?, but lsof on the client doesn't show any suitable deleted files The 'problem' usually resolves itself in a day or so - although I have no idea how or why etc ... Has anyone seen an issue like this - or know of any XFS tools that could be run on the server to find and fix the missing quota allocation? Thanks James Pearson

1 0

Best laptop with NVIDIA graphics
by Jeff Layton 09 Nov '17

09 Nov '17

Good afternoon, I've been using CentOS for many, many years. I'm looking for a good laptop with 4 cores that has an NVIDIA GPU with dedicated memory. I'd prefer a GTX 10** series but the older 9** series is fine. Any recommendations? Thanks! Jeff

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Possibly [OT] ansible vmware inventory plugin
by Mark Haney 09 Nov '17

09 Nov '17

This might be OT, but it is CentOS related. I've been running Ansible on C7 for a handful of months now, and updated to 2.4 as soon as it was available. I've been building inventories by hand in that time (mostly due to the fact we had no actual documentation on the managed external customer servers). However, as we have a multiple VMware clusters, thought it might be time to tinker with dynamic inventories. The problem is that the vmware_inventory.py script didn't come with 2.4 in CentOS 7, even though it's in the stable branch. I'm curious, is this a deliberate omission on the CentOS maintainers part? I couldn't find a package that included it. Am I missing something obvious? -- Mark Haney Network Engineer at NeoNova 919-460-3330 option 1 mark.haney(a)neonova.net www.neonova.net

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Fwd: Persistent route
by Ritah Mulinde 09 Nov '17

09 Nov '17

Hello everyone Iam trying to delete a route from mt CentOs 7 server but everytime i restart network services, it reappears iam using command "route del -net x.x.x.x/x gw x.x.x.x <interface name>" Am i missing something?? Best Regards Mulin

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