Discuss October 2016

discuss@lists.centos.org

118 participants
98 discussions

Need help to Build entire CentOS distro
by kavitha bk 12 Oct '16

12 Oct '16

Hi I am aware of steps to build kernel and individual rpms 1. git clone https://git.centos.org/git/rpms/kernel 2. cd kernel 3. git checkout c7 4. get_sources.sh You can get this script from below. git clone https://git.centos.org/git/centos-git-common.git cp centos-git-common/get_sources.sh to kernel folder. 5. git checkout c7 But I want to build entire CentOS distro.Please let me know the build procedure? Thanks Kavitha

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Unable to install extras "centos-release-scl" "epel-release"
by waltdnes＠waltdnes.org 12 Oct '16

12 Oct '16

I have CentOS7 32-bit x86 AltArch in a VM. Following advice I found on Google, I tried stuff like "sudo yum install centos-release-scl" and "sudo yum install epel-release". They came back with... No package centos-release-scl available. No package epel-release available. What am I missing? -- Walter Dnes <waltdnes(a)waltdnes.org>

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Virtualbox image
by Jerry Geis 11 Oct '16

11 Oct '16

How do you make a Virtualbox image of C7 so that when you EXPORT that image and someone imports it that the values in /etc/fstab will be OK. Example: UUID=13813d49-15b7-48ed-ab0d-da52aa3a9078 / xfs defaults 0 0 UUID=7f25297f-170c-4aee-ad4f-7ccc5867ed25 /home xfs defaults 0 0 /dev/mapper/centos-swap swap swap defaults 0 0 Then the exported, imported image boots its still referencing the first UUID there and it cannot find it so it does not boot. How can I change this so my image runs, and then when I export it and someone imports it that their image runs. ??? Thanks, Jerry

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Hint for nslookup wanted ...
by Walter H. 11 Oct '16

11 Oct '16

Hello, has anybody a hint for me, how I can use nslookup to get either IPv6 AAAA only or both A and AAAA entries when doing this: e.g. # nslookup www.example.com Thanks, Walter

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CentOS ISO contents
by Harry Mallon 11 Oct '16

11 Oct '16

On the download page https://wiki.centos.org/Download it lists: DVD, Minimal, Everything, LiveGNOME, LiveKDE. Where can I find the lists of packages contained in each one without downloading and extracting them? Is there a repo with the scripts that make them maybe? Harry Harry Mallon CODEX | Software Engineer 60 Poland Street | London | England | W1F 7NT E harry(a)codexdigital.com<mailto:harry@codexdigital.com> | T +44 203 7000 989<callto:+44%20203%207000%20989> Website<www.codexdigital.com> | Facebook<https://www.facebook.com/codexdigital> | Twitter<http://twitter.com/codexdigital> [http://www.codexdigital.com/?action=asset&id=E55D8A6F-AF62-4978-8FF1-435A85…]<http://www.codexdigital.com>

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Re: [CentOS] Reverting to nouveau
by geo.inbox.ignored 11 Oct '16

11 Oct '16

On 10/07/2016 02:03 PM, Patrick O'Callaghan wrote: > On Fri, 2016-10-07 at 11:38 -0500, geo.inbox.ignored wrote: >> as for nvidia site, check to see if you can find a more proper driver at; >> >> http://www.nvidia.com/download/index.aspx > > That's where the drivers come from, via RPMfusion. > >> as for 'on all the time', i agree about your saving power. >> >> *but*, give consideration to fact that powering a system up and down >> can be more costly due to 'electronic' wear and tear on system. > > I tend to agree in fact. I never used to turn my computers off, then I > worked out how much power they consume and how much it costs. I've > noticed a difference in my bill since I started doing this. > ==> well yes. of course there will be power consumption from mains. my view is there is less electronic wear and tear when powered up 24/7 and due to inrush power surge on power up, less chance of some component going bad. years back when i did computer systems work, i had a couple client calls for a system not powering up at start of morning hours. i used light bulb example to explain why and that they would naturally see an increase in utilities bill. both started leaving systems up. have a friend who's system lost power supply on power up, and again, after explaining about light bulb, he leaves system powered up and because he is using centos and kde, he uses 'suspend to ram' when not using and 'suspend to disk' when away for several days. it is all owners choice. ps. excuse delay in reply. problems with thunderbird had me unable to run email. -- peace out. CentOS GNU/Linux 6.8 tc,hago. g . =+= Tired of having your microsoft os hacked? Change to Linux os, used by microsoft hackers. =+= in a world with out fences, who needs gates. =+=

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Proper setup for major package removals?
by waltdnes＠waltdnes.org 11 Oct '16

11 Oct '16

I've installed CentOS in a QEMU VM for some gcc-compiling work. I've used Gentoo for years, but am a newbie at CentOS. During install, I selected "development" options, which pulled in more than I really need. I don't want or need a heavy desktop environment chewing up part of the 4 gigs allocated to the VM, but I will occasionally need a GUI. What I'd like to do is remove GDM, Gnome DE, Java, Ruby, and a bunch of other stuff. Then install ICEWM. I want to remove GDM, but keep X, so that the machine comes up at the text command line. If/when I need a GUI, I'll type "startx", after setting up ~/.xinitrc. So far, I've made one change to yum.conf, by adding remove_leaf_only=1 I think that my next 2 steps should be to execute... init 3 yum groupremove gnome-desktop Then what? "yum search icewm" does not find anything, and I may still have GDM trying to log me in to a non-existant GNOME. What do I do next? By the way, at startup, I notice a message quickly flash by like... "intel_rapl: no valid rapl domains". What's it about? -- Walter Dnes <waltdnes(a)waltdnes.org>

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mcrypt on PHP 5.4 and 5.5
by H 11 Oct '16

11 Oct '16

I have Centos 6.8 running on a VPS and upgraded PHP from 5.3 to 5.4 using scl. Unfortunately it seems mcrypt is not available, neither for 5.4 nor for 5.5. What have other users done about that? Unfortunately I have an application that requires mcrypt.

2 1

upgrade reference docs
by Chuck Campbell 10 Oct '16

10 Oct '16

Is there a Centos 6.x to Centos 7.x guide somewhere? What has changed, that I need to learn about as an admin, before I jump in and flounder? thanks, -chuck -- ACCEL Services, Inc.| Specialists in Gravity, Magnetics | (713)993-0671 ph. | and Integrated Interpretation | (713)993-0608 fax 448 W. 19th St. #325| Since 1992 | (713)306-5794 cell Houston, TX, 77008 | Chuck Campbell | campbell(a)accelinc.com | President & Senior Geoscientist | "Integration means more than having all the maps at the same scale!"

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dictionary on centos
by Valeri Galtsev 10 Oct '16

10 Oct '16

Dear All, Could someone recommend open source dictionary one can install on CentOS 7? I have a user who needs Chinese-English dictionary. He downloaded it from some website in China. My problem is: I neither speak nor read Chinese (were it English, Russian or German I would be OK), so I can not read the License agreement, and I can not audit this software (or evaluate somehow else its sanity). But installing open source Chinese-English dictionary would solve these my problems (if my user accepts the replacement). Thanks a lot for your advises! Valeri ++++++++++++++++++++++++++++++++++++++++ Valeri Galtsev Sr System Administrator Department of Astronomy and Astrophysics Kavli Institute for Cosmological Physics University of Chicago Phone: 773-702-4247 ++++++++++++++++++++++++++++++++++++++++

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Discuss October 2016