Linux

Installing CentOS packages on Red Hat Enterprise Linux

At the weekend I got into a discussion with Andy Stanford-Clark and Richard Appleby on Twitter troubleshooting basic application installation in Red Hat Enterprise Linux (like Pidgin). Not finding a solution later began to plague me, I grabbed a copy of RHEL and installed it on a Virtual Machine to solve the problem. If you’re interested in the history of the Red

Installing CentOS packages on Red Hat Enterprise Linux Read More »

An Open MPI Master & Servant Example

Building on the Getting started… post from last week I’ve knocked up a quick example showing one way to get your MPI processes to communicate with one another. master_servant.c: #include <stdio.h> #include <mpi.h> #include <unistd.h> int main(int argc, char *argv[]) { int numprocs, rank, namelen; char processor_name[MPI_MAX_PROCESSOR_NAME]; MPI_Init(&argc, &argv); MPI_Comm_size(MPI_COMM_WORLD, &numprocs); MPI_Comm_rank(MPI_COMM_WORLD, &rank); MPI_Get_processor_name(processor_name, &namelen);

An Open MPI Master & Servant Example Read More »

Hauppauge WinTV-NOVA-HD-S2 working on Fedora Rawhide

Long story short, I installed Fedora Core 10, enabled fedora-rawhide.repo and upgraded to Rawhide (17th Feb ’09), giving the following post install/upgrade: acl-2.2.47-3.fc10.i386 apr-1.3.3-3.fc11.i386 apr-util-1.3.4-2.fc11.i386 apr-util-ldap-1.3.4-2.fc11.i386 attr-2.4.43-1.fc10.i386 audit-libs-1.7.11-2.fc11.i386 audit-libs-python-1.7.11-2.fc11.i386 authconfig-5.4.7-1.fc11.i386 basesystem-10.0-1.noarch bash-4.0-0.4.rc1.fc11.i386 binutils-2.19.51.0.2-12.fc11.i386 bzip2-1.0.5-3.fc10.i386 bzip2-libs-1.0.5-3.fc10.i386 ca-certificates-2008-7.noarch checkpolicy-2.0.16-3.fc10.i386 chkconfig-1.3.41-1.i386 compat-db45-4.5.20-5.fc10.i386 ConsoleKit-libs-0.3.0-3.fc11.i386 coreutils-7.0-7.fc11.i386 cpio-2.9.90-3.fc11.i386 cpp-4.4.0-0.19.i386 cracklib-2.8.13-2.i386 cracklib-dicts-2.8.13-2.i386 cronie-1.2-7.fc10.i386 crontabs-1.10-28.fc11.noarch curl-7.18.2-9.fc11.i386 cyrus-sasl-lib-2.1.22-21.fc11.i386 db4-4.7.25-9.fc11.i386 db4-utils-4.7.25-9.fc11.i386 dbus-1.2.4.4permissive-1.fc11.i386 dbus-glib-0.80-1.fc11.i386 dbus-libs-1.2.4.4permissive-1.fc11.i386 dbus-python-0.83.0-4.fc11.i386

Hauppauge WinTV-NOVA-HD-S2 working on Fedora Rawhide Read More »

DVB Support for the Videolan Client (VLC) on Fedora Core 5

The version of the Videolan Client (VLC) for Fedora Core 5 from freshrpms does not include DVB support. [foo@localhost ~]$ vlc –program 4704 dvb:12207000:0:3:27500000 VLC media player 0.8.5 Janus status change: ( new input: dvb:12207000:0:3:27500000 ) status change: ( audio volume: 256 ) status change: ( play state: 1 ) [00000295] main input error: no

DVB Support for the Videolan Client (VLC) on Fedora Core 5 Read More »

What not to do when you’ve installed sshdfilter

sshdfilter is a great tool which monitors system logs for repetitive failed login attempts and actively updates iptables to block offending ip addresses. However, there is a slight shortfall it its design as there are no exceptions to its blocking rules as I found this morning: Subject: sshdfilter event for 127.0.0.1, Too many password guesses,

What not to do when you’ve installed sshdfilter Read More »

Scroll to Top