Questions tagged [scientific-linux]

Scientific Linux is a Linux distriution based on Red Hat Enterprise Linux (RHEL) with extra packages, put together by Fermilab, CERN and others.

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49
votes
5answers
89k views

Yum: How can I view variables like $releasever, $basearch & $YUM0?

I am setting up a yum repository, and need to debug some of the URLs in the yum.conf file. I need to know why is Scientific Linux trying to grab this URL, when I was expecting it to grab another URL: ...
30
votes
5answers
85k views

How to reduce Volume Group size in LVM?

[root@localhost ~] vgdisplay --- Volume group --- VG Name vg_root System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 7 VG ...
24
votes
3answers
119k views

User without a password - how can one login into that account from a non-root account

I have just started to use Scientific Linux (7.0) (although I assume this question might be distribution neutral..). The kernel version is 3.10.0-123.20.1.el7.x86_64. Coming back to my question. I ...
20
votes
5answers
67k views

Unable to Pull EPEL repository Metadata

Installing Nginx on Scientific Linux according this documentation fails: [vagrant@localhost ~]$ sudo su -c 'rpm -Uvh http://dl.fedoraproject.org/pub/epe l/6/x86_64/epel-release-6-8.noarch.rpm' ...
18
votes
1answer
6k views

Why does Red Hat Linux use such an old kernel?

Why does RHEL (and its derivatives) use such an old kernel? It uses 2.6.32-xxx, which seems old to me. How do they support newer hardware with that kernel? As far as I know these kind of distributions ...
11
votes
1answer
10k views

Creating a bootable Linux installation USB without unetbootin

I want to install Scientific Linux from USB. I don't know why unetbootin doesn't work but I am not curious to find out: after all, I transferred to Linux from Windows to see and learn the underlying ...
9
votes
4answers
15k views

How to debug a suspend problem?

I used to have Fedora 14 installed on this HP Compaq 610, and the suspend feature worked fine. Now that I've installed Scientific Linux 6.1 suspend doesn't work anymore. How do I debug/fix it?
9
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2answers
8k views

Is it stable to use epel and rpmforge in the same time?

So after a fresh Scientific Linux 6.3 Desktop install, I: yum install rpmforge-release && yum update and yum install epel-release.noarch then: yum install wine gparted cups-pdf &&...
8
votes
2answers
24k views

yum installs an old version of cmake

For some reason when I run yum to get cmake it will install an older version. Could it be because my repo list is not complete? I'm on CentOS 6 using a minimal desktop install from the non-net install ...
8
votes
2answers
6k views

How to disable requesting AAAA records when I have no IPv6 address?

Why can I see AAAA DNS requests when I run tcpdump on my Scientific Linux PC when I haven't got any IPv6 addresses? I already rebooted after setting NETWORKING_IPV6=no in /etc/sysconfig/network and ...
7
votes
3answers
40k views

How can I get TLSv1.2 support in Apache on RHEL6/CentOS/SL6?

I'd like to have TLSv1.2 support in Apache on my Scientific Linux 6 (RHEL6 rebuild) server. Is there some semi-supported pathway to getting this working? Preferably with minimal custom rebuilding. ...
7
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3answers
785 views

Is there a third-party application that can communicate over Skype's network?

Is there a program in the official Scientific Linux repositories that can communicate with people over Skype? I'm worried about Skype's security, but I want to be able to log in to my Skype account ...
6
votes
2answers
18k views

Is atrpms dead?

I have used atrpms repo before, but recently I am getting this error whenever I try to update or install something http://dl.atrpms.net/el6Server-x86_64/atrpms/stable/repodata/repomd.xml: [Errno 12] ...
6
votes
1answer
16k views

Bonded network interface is not available after a reboot

I have some servers with multiple network interfaces, setup with bonding and some VLANs. Whenever I reboot the server, one of the bonded network interfaces is not reachable from other servers, nor can ...
5
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3answers
6k views

Change /dev/sd* for USB Linux install?

I am trying to install Scientific Linux 6.1 (which is literally RedHat Enterprise Linux without the branding) by booting its installer from my USB drive. The installer starts fine, but two things ...
4
votes
2answers
49k views

How can I remotely access my Linux GUI?

I have a Linux machine at work (scientific Linux 6) and I would like to be able to remotely log-in from home. Security-wise we are already allowed, just the current setup requires SSH + Putty and I ...
4
votes
4answers
25k views

How to turn off all screensaver/display power saving methods under Scientific Linux 6.1?

How can I ensure that my screen won't go "black" after given time?
4
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2answers
4k views

Do I need Nautilus on RedHat / CentOS / Scientific Linux 6?

I've found that Nautilus causes problems in my Scientific Linux 6 desktop (specifically it gets into an infinite loop opening the file manager at startup). While those problems are interesting in ...
4
votes
1answer
11k views

Is it a bad idea to disable portreserve?

chkconfig portreserve off So that portreserve will not run at next boot. Can any bad things happen? I mean I think it's better to use "KISS" so that minimal applications will listen on 0.0.0.0.
4
votes
2answers
939 views

Running programs as root with my own password in Scientific Linux/Red Hat/Fedora/CentOS

In Debian-derived Linux distros, if you are not root but are authorized in /etc/sudoers, GNOME will ask you for your own password to allow privileged operations. However, Scientific Linux asks you ...
4
votes
1answer
338 views

Audio frequency spectrum of a video at a given time

Is there a simple way to get the audio frequency spectrum at a given time of a video? My motivation is the following: I was wondering if it is possible to "measure" the Doppler shift from YouTube ...
3
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4answers
4k views

What stuff can be safely removed for disk space sake?

I am using Scientific Linux. So is there any stuff that can be safely removed from disk except /tmp?
3
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3answers
2k views

How do I check if a distribution is Fedora-based?

The Python M2Crypto library requires a slightly different installation command if the Linux distribution is Fedora-core based (e.g., Fedora, RHEL, CentOS, Scientific Linux). Is there a way to check ...
3
votes
2answers
167 views

Full local copy of an entire distro?

Any distro really, but I am first and foremost interested in Debianoids and Rheloids. Once in a while I hear of someone who insists on keeping a full local copy of an entire distro. According to ...
3
votes
4answers
4k views

How to disable energy saving on notebook screen when using Scientific Linux 6.3?

So there is a notebook that has Scientific Linux 6.3 installed with GNOME 2. If we don't press any button on the keyboard or move the mouse, the screen of it turns black. But: if we move the mouse/...
3
votes
1answer
1k views

Scientific-Linux: which version has bigger support date?

We have several Desktop PCs that have Fedora 14 installed, but we need a Linux distro that doesn't need a reinstall every half year (no, dist-upgrade is not an option). We found Scientific-Linux, and ...
3
votes
3answers
19k views

Red Hat Enterprise Linux 6: /boot/grub/menu.lst or /boot/grub/grub.conf?

I have a brand new Scientific Linux 6 system, but this same question should apply to CentOS 6, RHEL6 or any RHEL6-derivative. I see that /boot/grub contains a menu.lst as well as a grub.conf file. ...
3
votes
1answer
4k views

RPM build errors

I am trying to build an RPM but when I use this command to build it: [root@vmdb SPEC]# rpmbuild -v -bb SPEC/supportScripts.spec I always get this error: Executing(%prep): /bin/sh -e /var/tmp/rpm-...
3
votes
2answers
1k views

How to get rid of ogg information in Linux?

How can I get this "something" out of the .ogg file? How can I clear comments/infos like this from the file? $ strings foo.ogg |grep -i SOMETHING ARTIST=SOMETHING $ OS: Scientific Linux 6.3
3
votes
3answers
1k views

Removing disk quotas in Scientific Linux

Im doing some big data integrations in MongoDB at the moment. MongoDB's files are stored at /data/db Scientific Linux has automatically setup root to have a small amount of disk space and me, bob to ...
3
votes
1answer
2k views

Enabling Compiz Viewport Switcher key bindings

I'm running compiz 0.8.2 with compizconfig on Scientific Linux 6.2 with Gnome 2.28.2. In the compizconfig "General Options" I have "Desktop Size" set as follows: Horizontal Virtual Size: 6 Vertical ...
3
votes
1answer
6k views

Install Solaris 8 on Qemu-SPARC

I've been struggling with installing Solaris 8 Sparc-32bit on Qemu for a while. So far I've viewed several sites with instructions on how to install Solaris-sparc32bit on Qemu. But only yesterday was ...
3
votes
1answer
78 views

How to configure my enviorment in such a way that a proper (different from the system one) version of library is used

I guess that this question is a borderline between ServerFault and StackOverflow and this site. But I think that U&L is most relevant. I have some C++ code that depends on a library in version X ...
3
votes
2answers
7k views

Chroot gone wrong, can't ssh with user

Distribution: Scientific Linux 6.5 (Carbon), not exactly your typical brand of linux. Tried to chroot a user using these instructions for SSH and quite obviously failed, and now I can't even log in ...
3
votes
1answer
1k views

Problems with YUM/Scientifix Linux 6.3 (inconsistent rpm database?..)

Recently I saw this: [root@NOTEBOOK /etc/yum.repos.d] yum update Loaded plugins: fastestmirror, presto, security Loading mirror speeds from cached hostfile epel/metalink ...
3
votes
1answer
2k views

Local file locking on NFS being Linux Kernel dependent

I have an python2 application which needs work on files over NFS. Unfortunately the application uses flock() locks like this: #!/usr/bin/env python2 import fcntl print('Opening') foo = open('file/...
2
votes
1answer
2k views

How to put the completed downloads in a directory with aria2c?

alias download='while true; do timeout -s 9 1260 aria2c *.torrent --lowest-speed-limit=1024 --disable-ipv6=true --seed-time=0 --max-connection-per-server=6 --enable-rpc=false; sleep 1; done' alias ...
2
votes
1answer
241 views

Turn off notifications under Scientific-linux 6.1

Besides: chmod -x /usr/libexec/notification-daemon reboot are there any solutions to turn off permanently all the annoying notification messages?
2
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4answers
3k views

Centos or Scientific Linux

When I need to create a new server I've always chosen Centos mainly for it's compatibility with Red Hat which i consider the standard de-facto for the general purpose linux server. Now the problem is ...
2
votes
1answer
5k views

Python 2.7 install on Scientific Linux 6 via SCL devtoolset

I understand Scientific Linux 6 uses Python 2.6.6 for several critical utils, including yum, according to this article How to install Python 27 on Centos 6 The simplest and hopefully cleanest install ...
2
votes
2answers
5k views

How install Google Chrome on Scientific Linux?

Is there a way to install and use Google Chrome on a Scientific Linux machine?
2
votes
1answer
2k views

Fast encryption for home directory with Scientific Linux (ala' RedHat)

I have a T61 with C2D T7300 CPU/4 GByte RAM. I has SL 6.3 on it, and I ticked the encrypt VG during install. If I start a "normal" windows xp on it, its ~slow.. so.. I need a little performance boost :...
2
votes
1answer
3k views

wine error when using divfix

When I'm logged in through SSH to a Scientific Linux 6.3 machine I get this error message: /usr/bin/wine /home/USER/.divfix/DivFix++.exe -i INPUT.avi -o out.avi wine: created the configuration ...
2
votes
2answers
505 views

Scientific Linux 6.3 hangs on suspend if using a samba share

I have several notebooks running Scientific Linux 6.3. The suspend function is working quite well, except for one problem: When a notebook mounts a Samba share, plays a few videos through this ...
2
votes
2answers
366 views

Canon iP3600 under Scientific Linux

I bought a new printer (I googled before and it looked like it's working under my OS..) I plugged the printer in a win7 machine, installed a few hundred MBytes of software, and it worked. Then I ...
2
votes
2answers
13k views

Configure a bridged Ethernet adapter in a VirtualBox guest running Scientific Linux

I installed Scientific Linux 6.2 x86 in VirtualBox on Windows 7 x64. The adapter is Adapter 1: Paravirtualized Network (Bridged adapter, Marvell Yukon 88E8056 PCI-E Gigabit Ethernet Controller) ...
2
votes
2answers
976 views

How to install aMSN on Scientific Linux?

I can't find aMSN in the Scientific Linux 6 repositories.. How can I install it?
2
votes
1answer
2k views

Auto-update on Scientific-linux 6.1 64bit

yum remove PackageKit* what's next? I tried: yum install yum-autoupdate but I can't see any config file for it. How can I set the auto-update function* on Scientific-linux 6.1/GNOME? *want to ...
2
votes
1answer
128 views

How to display my data (molecules)?

In my code I generate a .dat file which is of the format: x \t y \t z \t charge \t type \t ID There are about 3000 lines in the file and I want to display sphere (of radius 1 in my units). I tried ...
2
votes
1answer
56 views

How can I make a script that opens terminal window, executes commands in it and remains open on Scientific Linux?

I'm working in a remote server that uses Scientific Linux (version=7.6 (Nitrogen)). I did a simple web application in Python3, and I found myself constantly opening a Mate Terminal (though, any ...