Re: Who Uses Scientific Linux, and How/Why?

Didn't plan on chiming in but Larry's post tugged. I started with Slackware in '93, kernel 1.3, looking for an cheap X11 workstation alternative to the then $15k a pop SunOS workstations, of which we could only afford 2. I proposed to my division director to let me buy 12 Pentium 90's at $2k

Re: Is Scientfic Linux Still Active as a Distribution?

+1 On 2/22/20 5:41 PM, Keith Lofstrom wrote: I'm an independent electronics inventor, heavily dependent on both competent software and competent laboratory science, both for the knowledge I depend on and the tools I use to transform that knowledge into products and services for my customers.

comps, primary, other, filelists

I've been using the comps file to construct the packages list for my kickstart installs, ignoring the other files (primary, other, and filelists) that are in repodata folder. Can someone explain what the other files are and if I need to review them for "other" packages? I notice that for

Re: EL 8

I've switched to using Fedora for myself and my users. If you are prepared for its short lifecycle, it is actually very usable. I've found upgrading to be quite painless. I don't use Fedora on servers for obvious reasons. I used ubuntu briefly a decade ago on a laptop and struggled with it.

Re: Red Hat on the Desktop - was Re: Calibre current

Haha! I like this one. On 1/30/20 7:48 PM, Konstantin Olchanski wrote: - removal of support for NIS (LDAP is "light weight" is like Titanic is a row boat).

Re: systemd tftp xinetd

ll works. My problem was actually step 4 which I did to test the server. In my application this is never necessary as I'm using tftp for pxebooting. On 9/11/18 9:30 AM, Ken Teh wrote: I need help with how to enable tftp service. I am trying to get something done and I have no patience

Re: systemd tftp xinetd

need to take to "really" enable the tftp service? Thanks for the tip on retiring. I think you've got something there. ;) On 9/11/18 10:03 AM, R P Herrold wrote: On Tue, 11 Sep 2018, Ken Teh wrote: I need help with how to enable tftp service. I am trying to get something done

Re: systemd tftp xinetd

f I missed your question entirely, then can you word it differently? Dave Hinz On 9/11/18, 9:32 AM, "owner-scientific-linux-us...@listserv.fnal.gov on behalf of Ken Teh" wrote: I need help with how to enable tftp service. I am trying to get something done and I have no pa

systemd tftp xinetd

I need help with how to enable tftp service. I am trying to get something done and I have no patience for systemd's convoluted logic. The tftp-server installs (1) /etc/xinetd.d/tftp (2) tftp.socket (what's this?) (3) tftp.service Manually, I can start the service and everything works. But

Re: [SCIENTIFIC-LINUX-USERS] apply automatic updates

-3A__ftp.scientificlinux.org_linux_scientific_7x_x86-5F64_release-2Dnotes_-23-5Fsl-5Fprovides-5Fautomatic-5Fupdates=DwIDaQ=gRgGjJ3BkIsb5y6s49QqsA=gd8BzeSQcySVxr0gDWSEbN-P-pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A=K8OI2FBUTfS2DJY_nKBYUz670OgyZoSjzKdkKOjnB4c=uP6UUFqG3gSSVE0DgltBCsHzW9UzudPCU9IlKsLzor0= On 08/10/2018 11:11 AM, Ken Teh wrote: I

apply automatic updates

I noticed that apply_updates in /etc/yum/yum-cron.conf is set to No on a centos 7 system while it is set to Yes on SL7x. Is there any reason not to set to yes for centos? I have cron job that emails the user assigned to the desktop to reboot their machine when updates have been installed.

Re: 389-ds fastbugs or epel

Never mind. I was confused by the yum list output. I thought I was looking at only the epel listing as I thought I had disabled all other repos except epel. On 11/28/2017 11:48 AM, Ken Teh wrote: Epel has many more 389-ds rpms as opposed to the main SL repos (specifically, fastbugs) which

389-ds fastbugs or epel

Epel has many more 389-ds rpms as opposed to the main SL repos (specifically, fastbugs) which only has 3 rpms. Can someone advise which ones to install? From epel or SL?

SL signing keys

On the first update of a newly installed system, there is SL signing keys that have to be installed. Yum prompts for confirmation. Is there a way to install the keys before the first yum update? Are they in an rpm somewhere? Thanks.

Re: tip: Secondary Selection clipboard

Time to hang it up? I use the clipboard all the time especially when I'm coding. Multiple terminals each running a copy of vim. I notice that many young programmers also use terminals and vim (or neovim) on Macs. At least on videos of programming topics I'm interested in. Do they not use

Re: tip: Secondary Selection clipboard

Haha. I've been on fedora for almost a year and learning to unlearn everything I've learnt about Unix and X11 over 25 years. On 06/27/2017 06:23 AM, Tom H wrote: On Tue, Jun 20, 2017 at 4:38 PM, ToddAndMargo wrote: I have been using UNIX and Linux for over 25 years

Re: nmcli question

On 04/10/2017 10:59 AM, Tom H wrote: The lead NM developer's replied to you on fedora-devel@ or fedora-user@ in the past that he and his fellow NM developers have worked hard to add to NM configuration options for complex server setups as well as a cli tool for managing settings. Sadly, NM

Re: yum update initial setup hang up

I solved my problem by doing the install "interactively" and updating initial-setup separately. I must have missed something thinking I could do an install, reboot, remote login, and update. On 02/27/2017 11:02 AM, Ken Teh wrote: I encountered this error twice now. Initial ins

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

Congratulations, Connie. I recall your gallery of pictures in earlier versions of the SL installer. I wish you the very best light for the many shots to come in your retirement. Ken On 02/24/2017 03:52 PM, Bonnie King wrote: Friends, The Scientific Linux team is at once happy and sad to

Re: systemd/journald teething pains

Never mind. A bare syslog(3) works. Problem is elsewhere. On 01/24/2017 08:32 AM, Ken Teh wrote: I'm debugging some code that logs messages via syslog. I was under the assumption that syslog messages would display with journalctl. But I'm not seeing them. I tried using logger and it also

systemd/journald teething pains

I'm debugging some code that logs messages via syslog. I was under the assumption that syslog messages would display with journalctl. But I'm not seeing them. I tried using logger and it also does not display unless I explicitly say 'logger --journald' which suggests that I still need

Re: srpms?

Thanks Connie, I looked on our mirror. Apparently, they've not bother to host the SRPMS folder. Another instance of "use the source, Ken!". Thanks again! On 01/12/2017 02:59 PM, Connie Sieh wrote: There was a discussion on the issue of srpms or lack of in SL7. I don't build packages

Re: firewalld help

, the property setting is ipv4.never-default in nmcli. On 11/10/2016 09:02 AM, Stephan Wiesand wrote: On 10 Nov 2016, at 15:41, Ken Teh <t...@anl.gov> wrote: Default routes on the failing system. [root@saudade ~]# ip --details route unicast default via 192.168.203.1 dev enp3s0 proto

Re: firewalld help

kernel scope link src 146.139.198.23 metric 100 unicast 192.168.203.0/24 dev enp3s0 proto kernel scope link src 192.168.203.39 metric 100 On 11/10/2016 08:27 AM, Stephan Wiesand wrote: On 10 Nov 2016, at 15:09, Ken Teh <t...@anl.gov> wrote: I'm trying to isolate a network problem

firewalld help

I'm trying to isolate a network problem and I need some debugging help. Frustrating when I am not fluent in the new sys admin tools. Symptom is as follows: I have a machine running Fedora 24 with its firewall zone set to work. I cannot ping the machine except from the same subnet. I don't

nfsroot post install configure checklist

I've made a minimal install with the --installroot option into a folder that I want to export as an nfs root. I'm wondering if someone has a checklist on what I should do post-install to configure the files in the install. I can think of some obvious ones. But it looks like painstaking work

Re: SL 7.2 on a HP Zbook

If you grep'd the rc init files for hwclock, you will find it in halt. You can't grep systemd. All you can do is read the man page and there's a lot of man pages to read. :( On 10/07/2016 01:28 PM, stod...@pelletron.comwrote: - Original Message - From: "Bill Askew"

Re: Python 2.7 OS requirements

I suggest trying anaconda from continuum analytics. It installs into /opt and provides its own ecosytem, ie, all the support libraries it needs. Because of this, it will run on an SL6 machine. The install script does give you the option of installing it under a different root. It provides

Re: printing a man page

, it says to add troff markup to the man page source and to rerun groff with one or more additional packages. Chasing this down will take me too far afield. The firewalld site has the man pages in html and they print nicely via the browser. On 06/24/2016 11:23 PM, James Cloos wrote: "KT&qu

Re: printing a man page

, Mark Stodola wrote: On 06/24/2016 03:30 PM, Ken Teh wrote: Does anyone know enough groff to help me print this man page? # man -t firewall-cmd > /tmp/firewall-cmd.ps :397: warning [p 4, 4.4i]: can't break line :434: warning [p 4, 6.8i]: can't break line :446: warning [p 4, 7.9i]: can't break l

Re: what runs libvirt?

libvirt's website has instructions on how to run dnsmasq alongside their instance of dnsmasq. The trick is to add a 'bind-interfaces' in the dnsmasq.conf and to explicitly specify the listening address or interface. On 06/24/2016 10:12 AM, Mark Stodola wrote: On 06/24/2016 09:48 AM, Ken

Re: [SCIENTIFIC-LINUX-USERS] what runs libvirt?

Thanks for the tip. Very useful especially since a list-units dumps out a huge list. Many more than the list of files in /etc/init.d. On 06/24/2016 10:34 AM, Pat Riehecky wrote: On 06/24/2016 09:48 AM, Ken Teh wrote: I was trying to set up dnsmasq and discovered it's already running

what runs libvirt?

I was trying to set up dnsmasq and discovered it's already running. Apparently as part of libvirt. Why is libvirt started? What starts it? I tried looking through systemd output but the only thing about systemd that I can understand are its services. Everything else is so far

sl7 iptables firewalld

I'm trying to set up NAT on an SL7x machine. I know how to do it via iptables but am a little hesitant because of firewalld. It's obvious from the lack of /etc/sysconfig/iptables that iptables configuration is stored elsewhere probably in several xml files. I'm going to try to do it via

Re: how to troubleshoot a ups

, or at least, cannot be relied upon to function properly in a real event. On 11/09/2015 08:31 AM, ONeal, Miles wrote: Ken, Why do you think the UPS is at fault? -Miles On Nov 9, 2015, at 07:13, Ken Teh <t...@anl.gov> wrote: I need some advice on how to troubleshoot an apc smart ups. I am g

installing devtoolset-3 on sl6x

I dont seem to be able to install devtoolset-3 on an sl6x x86_64 system. I've done it successfully with devtoolset-2 on an i686 system. My procedure is 1. Wget the yum-conf-devtoolset rpm and install it. 2. Then, when I do a # yum --enablerepo=devtoolset install devtoolset-3-toolchain

Re: help debugging a kickstart install

I looked up the documentation on %pre and its example. I see what you are saying. Thanks for the tip. I usually use kickstart via nfs so I have a copy of the kickstart that installed the machine. On 10/12/2015 09:34 AM, Nico Kadel-Garcia wrote: On Mon, Oct 12, 2015 at 10:14 AM, Ken Teh &l

help debugging a kickstart install

I'm having problems with an 6.7 install. Here are the relevant lines: # partitions #clearpart --drives=disk/by-id/ata-SATA_SSD_96D70756062400160297 part /boot --fstype=ext4 --size=1024 --asprimary --ondisk=disk/by-id/ata-SATA_SSD_96D70756062400160297 part pv.01 --size=1 --grow --asprimary

Re: help debugging a kickstart install

Good grief! Vielen Dank! On 10/12/2015 09:27 AM, Stephan Wiesand wrote: On 12 Oct 2015, at 16:14, Ken Teh <t...@anl.gov> wrote: I'm having problems with an 6.7 install. Here are the relevant lines: # partitions #clearpart --drives=disk/by-id/ata-SATA_SSD_96D70756062400160297 part

ld-linux.so.2

I have a user who has installed an executable built on a other Linux distro. Claims it was built on a 64-bit linux (doubtful). He has no problems running it on a 32-bit SL6.x machine but cannot run it on a 64-bit SL6.x machine. Chokes with the following: ...:/lib/ld-linux.so: bad ELF

Re: about realtime system

I used to play with a realtime Linux system back in the 90s that had a sort of virtualization architecture. It had a realtime executive that could run realtime tasks. One of its tasks was the Linux kernel itself so this way the tasks could talk with linux processes and make use of linux

sl7 systemd sysvinit

I read the following article on systemd http://ifwnewsletters.newsletters.infoworld.com/t/9625863/474699771/826094/14/ The comments suggested one could still revert to sysvinit. Is this just wishful thinking on my part?

advice on auto version upgrade with sl6x.repo

I've had 2 successful upgrades from 6.4 to 6.5 with the sl6x.repo enabled. In the past, I've never done upgrades, preferring to re-install. I'd like to know what folks are doing with respect to enabling the sl6x.repo. Is it just enable it!, it's ready from primetime or are you still

Re: Creating Live CD

I run a data acquisition system I wrote under a minimal live SL system. About 250MB. I studied Urs' scripts, stole a bunch of his work, and wrote my own scripts to create my own live SL CD. My systems are still running SL5x since I've not had time to update the scripts. They are not as

Re: XRandR + nVidia

I can really identify with the xkcd graphic. X11 graphics on Linux has really come a long way. It was a real struggle back in the early 90's. Florian's response is spot on. Having a xorg.conf actually messes things up. Dont know why. But when you get rid of it, some automagical happens.

sata0 is not sda

During a kickstart install, how are drives mapped? I notice that sata0 is not always sda. This is especially true when there are very large drives in the mix.