Re: Installation issues in SL7

2014-09-17 Thread Karel Lang AFD
Hi, i've already been complaining about stupid GUI partitioner during the RHEL 7.0 setup, including Red Hat official forums. For me it was easier to switch from gui installer to console (ctrl,alt,fx), create all needed partition with parted (or fdisk), then VG with vgcreate, LV with lvcreate

Re: paraview

2014-10-09 Thread Karel Lang AFD
Hi, try to run it via 'strace' command from CLI, like eg. strace paraview and see where it stops, sometime it gives usefull hint.. On 10/09/2014 09:09 PM, Yasha Karant wrote: Two information items: 1. I did yum remove (all existing paraview rpm installs) followed by the GUI install of the X8

Re: paraview

2014-10-10 Thread Karel Lang AFD
Hi, by looking at the yum log you provided it is clear the 32bit paraview need a lot of 32b libraries .. those libraries have deps so the install gets bigger this way. I'd do this install, only if really last resort. It shouldn't touch you current install, but it's a lot ballast the OS doesn'

Re: Samba and Oplocks

2014-10-15 Thread Karel Lang AFD
Hi, as far as i'm concerned (take this with grain of solt, i'm not a dev, just mere admin :]) locks - grant exclusive right to access to file for the process (selfexplainable) oplocks - if lock is granted, then samba server can grant to client oplock (opportunity lock) meaning that client (

Re: Samba and Oplocks

2014-10-15 Thread Karel Lang AFD
oot fake oplocks = yes # Warning: 'fake oplocks' option only usable for read-only FS!! man smb.conf !! On 10/15/2014 05:43 PM, Werf, C.G. van der (Carel) wrote: Thanks for this explanation, but you can see that this confuses me more, since your suggestions contradict the set

Re: list of functions and what each provides

2014-10-21 Thread Karel Lang AFD
telinit 3 vi - mutt - lynx .. enjoy your freedom :D On 10/21/2014 05:48 PM, Bill Hn wrote: "... an empty list " = GNOME 3 no right mouse button & 'They know better than you.' GNOME 3 badness . My question is : what desktop actually IS good now-a-days ? {Really , I do want to know , what DE is

Re: libvirt guests graceful shutdown upon hosts powerdown/reboot

2014-10-22 Thread Karel Lang AFD
Hi, IMHO, the libvirt-guests init script which is part of libvirt-client rpm package should take care of suspending the guests upon shutdown procedure? -- *Karel Lang* On 10/22/2014 11:58 AM, lejeczek wrote: hi everybody by an assumption I expected VM guests to be shut down/off gracefully w

video and media supp in SL7?

2014-10-26 Thread Karel Lang AFD
Hi guys, just a quick one - there was question raised on SF forums regarding media support in SL7. If you're already using SL7 on desktop/laptop etc - can you share where you got eg. the videocodecs, players (repos?) etc? cheers :] -- *Karel Lang* *Unix/Linux Administration* l...@afd.cz | +4

Re: video and media supp in SL7?

2014-10-26 Thread Karel Lang AFD
Thanks guys, i've also started a thread on SLF with comprihensible list of SL7 'positive' 3rd party repos to have it somewhere easily accessible... cheers :] On 10/26/2014 10:05 PM, John Pilkington wrote: On 26/10/14 20:00, Alan Bartlett wrote: On 26 October 2014 19:52, Jason Bronner wrote:

Re: SL: not a good choice as a workstation

2014-11-08 Thread Karel Lang AFD
Hi @ all, interesting discussion, thx for information Vladimir, this looks promising / interesting! ToddAndMargo, i remember when last time 6.0 was out and i remember quite a lot people complaining about unavailability of their favorite apps on it. I think - give it time, come 7.1 or 7.2 and

Re: Printer driver for Samsung CLP-415-NW on SL7

2014-11-14 Thread Karel Lang AFD
Hi Bill, did you just try to copy the ppd file you're using on the 6 to 7 and test result? cheers, -- *Karel Lang* *Unix/Linux Administration* l...@afd.cz | +420 731 13 40 40 AUFEER DESIGN, s.r.o. | www.aufeerdesign.cz On 11/14/2014 05:10 AM, Bill Maidment wrote: Hi I have been using a Samsun

Re: Q&A: Centos vs SL

2014-11-28 Thread Karel Lang AFD
On 11/27/2014 08:58 PM, Patrick J. LoPresti wrote: On Thu, Nov 27, 2014 at 11:25 AM, Jos Vos wrote: Red Hat did not buy CentOS. They employ the principals and own the trademark. Are you saying they got them for free? Agreed with Patrick, i'm watching this whole deal with a suspicion. --

Re: SL6 net-install networking fails to connect on a /23 subnet

2014-12-03 Thread Karel Lang AFD
Hi there, i would too suspect some forgotten? or typo? in some config with 'leftover' of 24 prefix. This can sometimes be harder to find, because it can be set at quite a lot of places .. Configuraton of firewall (iptables), NIC (ifcfg*) files, routes (route? output), /etc/sysconfig/networ

Re: Raid-1 install -

2014-12-08 Thread Karel Lang AFD
Hi, i have faced similar problem - solved here: http://scientificlinuxforum.org/index.php?showtopic=2999 cheers :] -- *Karel Lang* *Unix/Linux Administration* l...@afd.cz | +420 731 13 40 40 AUFEER DESIGN, s.r.o. | www.aufeerdesign.cz On 12/06/2014 09:22 PM, Bob Goodwin - Zuni, Virginia, US

Re: Optimus / combination graphics

2014-12-18 Thread Karel Lang AFD
On 12/17/2014 10:35 PM, Steven Haigh wrote: I have to chime in here... Windows support for Optimus and ATI Hybrid Graphics seem to work quiet well. I have a Dell Inspiron with onboard Intel & an ATI card. I haven't been able to fault it. I don't use Optimus myself, so i can not say from my own

Re: About CentOS forces...

2014-12-18 Thread Karel Lang AFD
On 12/17/2014 11:27 PM, Mark Stodola wrote: On 12/17/2014 04:25 PM, Fernando Andrés Muñoz Bravo wrote: I mean, if SL will become a CentOS variant or not. I think the answer to that is no. The SL team made a decision to continue to spin their own independent set of packages and not become a

Re: Optimus / combination graphics

2014-12-18 Thread Karel Lang AFD
nd it really was as the name stated - 'mobile' workstations, so i wouldn't quite characterize it as a standard laptop :] I know the goal is to prolong the battery life. *Question is, what should be a perfect Linux laptop for Linux sysadmin :]* cheers, On Thu, Dec 18,

Re: ypbind not registering with rpcbind on SL7

2015-01-08 Thread Karel Lang AFD
Hi guys, if i might add my view onto this matter .. :] I think the LDAP doesn't complicate things - on the contrary, it simplify them. Ofc, the installation and configuration of 389 Directory server (if speaking about RHEL and clones) is definitely much more demanding in know-how compared to Y

Re: SL on Dell Precision M4800 Mobile Workstation

2015-01-27 Thread Karel Lang AFD
Hi, i, for one, would approach any laptop using Nvidia Optimus technology with caution, particularly if i want to run Linux on it. I googled your laptop config and it comes with 'Intel® Core™ i7-4900MQ Processor' meaning Intel® HD Graphics 4600 built in. I just wander, why the laptop sellers

Re: SL on Dell Precision M4800 Mobile Workstation

2015-01-27 Thread Karel Lang AFD
c-linux-us...@listserv.fnal.gov [mailto:owner-scientific-linux-us...@listserv.fnal.gov] On Behalf Of Karel Lang AFD Sent: Tuesday, January 27, 2015 10:51 AM To: Lamar Owen; SCIENTIFIC-LINUX-USERS@FNAL.GOV Subject: Re: SL on Dell Precision M4800 Mobile Workstation Hi, i, for one, would approach any la

Re: Is KVM now abandoned in EL 6?

2015-05-21 Thread Karel Lang AFD
If 'window in window' is problem, run the vncserver on the kvm guest OS with vncclient on the host OS in fullscreen - problem solved. -- *Karel Lang* *Unix/Linux Administration* l...@afd.cz | +420 731 13 40 40 AUFEER DESIGN, s.r.o. | www.aufeerdesign.cz On 05/20/2015 06:13 PM, ToddAndMargo w

Re: nfsv4 and rpcidmapd

2015-07-02 Thread Karel Lang AFD
Hi there, how's your users authenticated and resolved to UIDs? we use LDAP server with SSSD daemon configured. I'd check, if the domain is stated in your sssd.conf (if relevant) and check nsswitch.conf (isn't possible your user exist locally with diff UID?) and local users have preference in n

Re: Installation of 7.1

2015-07-18 Thread Karel Lang AFD
Hi Larry, don't give up on it yet :] From sweat and tears usually come up the best results (my very own life experience :]) Anyway - as you've written about disk partitioning during install - yes it is horrible. It might be good for desktop install for someone who doesn't know much about linu

Re: VMware

2015-10-27 Thread Karel Lang AFD
Hi, just q. (i surely missed it in earlier conv.) - why can't you use KVM as a virtualization layer? I use KVM on servers, workstations, laptops and i find it has all i need. I just missed thing like 'shared folder' between host/guest like eg. vbox has, but this can be remedied by compiling/t

Re: FF 45 segment fault on SL 6.5

2016-05-11 Thread Karel Lang AFD
got same problem on my sl 6.6, i downgraded yesterday to older version and that fixed crashing (but probably started some other security issues) i use opera atm before they fix it On 05/11/2016 06:16 AM, Andrew Z wrote: Gents, boss (wife) started to complain that FF 45.1 (2.6.32-573.12.1.el6

Re: What is the best way to start a KVM VM at boot?

2016-05-11 Thread Karel Lang AFD
Hi, what i do is: virsh list --all (to list machine-names) virsh autostart machine-name virsh list --autostart (to confirm machine was added to autostarting list) -- *Karel Lang* *Unix/Linux Administration* l...@afd.cz | +420 731 13 40 40 AUFEER DESIGN, s.r.o. | www.aufeerdesign.cz On 05/11/2

Re: What is the best way to start a KVM VM at boot?

2016-05-11 Thread Karel Lang AFD
Sorry, typed from 'top of my head', now i tried on laptop - correctly it is: virsh list --all --autostart (to get autostarting ones) virsh list --all --no-autostart (to get non-autostarters) On 05/11/2016 10:21 AM, ToddAndMargo wrote: On 05/11/2016 12:58 AM, Karel Lang AFD wrote:

Re: ACL Problem in SL7.2

2016-11-05 Thread Karel Lang AFD
Hi Bill just pasted your work here to CLI and works OK on SL 6.7 and SL 7.2 here... It has to be something else .. umask? or inherited from directory higher up? Maybe strace would help to see whats happening exactly? cheers On 11/06/2016 03:58 AM, Bill Maidment wrote: Hi I am trying to set up A

Re: ACL Problem in SL7.2

2016-11-08 Thread Karel Lang AFD
IX ACL 3. Change Nautilus, etc to recognise NFSv4 ACL 4. Use Samba instead of nfs I'm not sure if 1. or 2. are possible and 3. may happen one day. Does anyone know of a practical solution/workaround? Cheers Bill -Original message- From:Bill Maidment Sent: Sunday 6th November

Re: Installing KDE on SL 6.8

2016-11-10 Thread Karel Lang AFD
Hi Larry, i use KDE 4 on my SL 6.x for years, with no problem. The SL comes with basic Gnome 3 by default. But be ready for transition from KDE 3 -> KDE 4. If you want to use KDE 4, then you need to install it specifically. on my laptop: yum grouplist | grep -i desktop Desktop Desktop D

Re: cdrom not white listed ????

2017-01-23 Thread Karel Lang AFD
Hi, just quick search reveals quite a lot of things - eg.: https://bugzilla.redhat.com/show_bug.cgi?id=760885 it says: ' CD-ROM passthrough from to the host to a guest has been disabled in Red Hat Enterprise Linux 7.0 Beta for all front ends. QEMU reports "Driver 'host_cdrom' is not whi

Re: Connie Sieh, founder of Scientific Linux, retires from Fermilab

2017-02-24 Thread Karel Lang AFD
Hi, just wanted to say a huge thanks. We all benefited hugely from your work and work of a whole SL team. Hope You still have a many happy roads open for You in the future :-). cheers! On 02/24/2017 10:52 PM, Bonnie King wrote: Friends, The Scientific Linux team is at once happy and sad to

Re: nmcli question

2017-04-11 Thread Karel Lang AFD
Haha, +1 here :-). NM is disabled on all my servers, as is the so called 'cool' firewalld. It's not just RH though, eg. lately, i had to install OpenSuse and it's susefirewall2 feature with NM was 'killing' my brain for 3 days... then i rewrote systemd scripts and redirected them at my custom i

Re: nmcli question

2017-04-11 Thread Karel Lang AFD
d so hard to get some resemblance of 'cli' (power shell they call it?) and on the other hand some Linux distros work so hard to 'hide' the 'cli', so that admins can just click/drag in some buggy python GUI? World is strange place ... :-) with best regards, Karel On

Re: kernel error in SL 6.9

2017-04-19 Thread Karel Lang AFD
Well, eg here: http://en.linuxreviews.org/Gamin :-) On 04/19/2017 04:28 AM, Bill Maidment wrote: gam_server[2941]: segfault -- *Karel Lang* *Unix/Linux Administration* l...@afd.cz | +420 731 13 40 40 AUFEER DESIGN, s.r.o. | www.aufeerdesign.cz

Re: Help connecting to VNC server

2017-06-26 Thread Karel Lang AFD
Hi, download/install nmap for windows and scan your SL 6.9 box and see if the VNC server port is visible to your client. If you log on the SL box, you can check, if the vnc runs eg by: netstat -tulpn | grep -i vnc -- *Karel Lang* *Unix/Linux Administration* l...@afd.cz | +420 731 13 40 40 AUF

iptables mac filtering: iptables fails to start after trying to use "mac" iptables module

2018-03-02 Thread Karel Lang AFD
Hello guys, stumbled on weird thing today - wanted to setup some iptables rules based on 'mac address' and iptables failed to start. cat /etc/redhat-release Scientific Linux release 7.4 (Nitrogen) iptables --version iptables v1.4.21 yum list all | grep iptables iptables.x86_64

Re: iptables mac filtering: iptables fails to start after trying to use "mac" iptables module

2018-03-02 Thread Karel Lang AFD
fd.cz | +420 731 13 40 40 AUFEER DESIGN, s.r.o. | www.aufeerdesign.cz On 03/02/2018 12:59 PM, Stephan Wiesand wrote: On 2. Mar 2018, at 12:04, Karel Lang AFD wrote: Hello guys, stumbled on weird thing today - wanted to setup some iptables rules based on 'mac address' and iptables

Re: SL 6.10 upgrade & smb

2018-07-24 Thread Karel Lang AFD
Hi, the Samba team makes constant changes to keep up with MS upgrades. If you want to downgrade Samba, just downgrade it, doesn't make sense to downgrade whole OS Might be, that you need only update your smb.conf to get to working condition, some features are simply deprecated. Do you use samba