#rhel Articles

Setup a 3 Node Lustre Filesystem

Introduction Lustre is a filesystem often used by clusters because many computers can mount the filesystem simultaneously. This is a small log/instruction for how to setup Lustre in 3 virtualized machines (one metadata server, one object storage server and one client). Basic components: VMWare Workstation 3 x CentOS 6 …

  • 2012-03-26
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Update / Install Spotify on RHEL6 x64

Previous post: https://www.guldmyr.com/how-to-update-spotify-on-rhel6-x64-native-client/ Installed spotify-client- - this is converted from the .deb package that is downloaded from: http://repository.spotify.com/pool/non-free/s/spotify/ you convert with 'alien' and this command: alien --to-rpm spotify-client_0.8.2.637.g252b980.486-1_amd64 …

  • 2012-03-08
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CentOS 5.8 Released

CentOS 5.8 was released today 8th of March. http://wiki.centos.org/Manuals/ReleaseNotes/CentOS5.8 You can download it from many mirrors, for example from FUNET: http://ftp.funet.fi/pub/Linux/INSTALL/Centos/ It installs just fine on an HP DL360 G7 with P410 and P411 controller …

  • 2012-03-08
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password when starting a linux server in single-user mode

http://www.cromwell-intl.com/unix/linux-break-in-howto.html On RHEL 6.2-based systems (like Scientific Linux 6.2): edit /etc/sysconfig/init # Set to '/sbin/sulogin' to prompt for password on single-user mode # Set to '/sbin/sushell' otherwise Like this: SINGLE=/sbin/sulogin Then if you add an 's' to the …

  • 2011-12-20
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How to find things in Linux man pages

There's a couple of places (naturally). It's easy to be fooled and think: "anybody can type man man". But in all fairness, you need to figure out which man page to look into, or what command to run and sometimes it's just a blank. In RHEL there is /usr/share …

  • 2011-10-26
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Scientific Linux 6 - Basic Setup

Not allowing root to log in By default sshd is running on SL6 and you can ssh in with 'root'. Probably a good idea to change this in /etc/ssh/sshd_config permitrootlogin no But first, create a user that can log in. useradd mart passwd mart Then you can change …

  • 2011-10-14
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How-To : Update Spotify on RHEL6 x64 native client

See the post for how to install spotify on a Linux Client (RHEL 6 x64 in my case). This post is for how to upgrade. 2012-02-01: Updated, added --nodeps to the rpm upgrade. 2013-01-08: This has been confirmed to work with spotify-0.8.8, updated typo in symlink part. Why …

Install Scientific Linux 6 in VMWare Workstation

Time for some more Linux testing. The reason for this is because I think I will go ahead and try to study for the RHCSA - Red Hat Certified System Administrator. Work might send me to a course in December, probably wise to play around with it before this. So here …

  • 2011-08-25
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How-To : Install Spotify on RHEL6 x64 native client

Hey! You need premium for RHEL6 native client to work. If you get it to work with WINE it would work for free (as a plus you get it with the very annoying ads). My machine is a RHEL 6 64-bit. The only requirement I had was that I did …

  • 2011-07-13
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Reading encrypted/password protected pdf on Linux

The problematic PDF The CFP300 material on http://community.brocade.com/docs/DOC-2041 is encrypted so that it cannot be printed/re-edited without a password. If you try to open this with evince (default .pdf viewer in Gnome) it will ask for a password. pdftotext (comes with the software suite …