how to: create your own openstack spacewalk channel

there is nothing to it. just 2 simple commands

these 2 commands will first create the channel then inject the packages and their dependencies into the newly created channel. and the commands are ..

How To Upgrade From Fedora 17 To Fedora 18 (Desktop & Server)

ok i did it

i upgraded from fc17 to fc18. it works. its basically 3 steps

  1. fedup --network 18
  2. reboot into the upgrade bootup
  3. yum distro-sync --skip-broken

not many sources out there. i only found this one and it is about fedup

note that i havent yet discovered where the cache for fedup is yet, so if you know leave me a comment

howto: satellite configuration and channel population

this how to is intended to configure spacewalk, the rhn satellite's upstream project as well as to create channels and populate it. the end result is a spacewalk server with channels that is intended to use internally as the password and channel keys are very lax.step 1 starts after you have installed spacewalk. instructions are here.

how to install drush5.7 on centos6.3

everything is pretty simple when you know how. the problem only occurs when you dont know how. well with this howto, you will know how to install drush5.7 onto a centos6.3 box

yum -y install php-pear
pear upgrade
pear channel-discover
pear install drush/drush

nothing to it. i wont tell you about the one hour i spent searching for it.

howto install moodle2.3 on centos6.3

it is apparently pretty simple when you have the key

how to mount an iso from fstab

so to mount an iso from the command line you would use the command

mount -oloop /root/CentOS-6.2-x86_64-bin-DVD1.iso /var/www/html/repo/CentOS-6.2-x86_64/

but if you wanted that to be mounted at boot time via your fstab. it is different

you would have to edit your fstab and add in a line similar to :

/root/CentOS-6.2-x86_64-bin-DVD1.iso /var/www/html/repo/CentOS-6.2-x86_64/ iso9660 loop,ro,auto 0 0

and then issue the command

mount -a

and finally verify with


howto basic remote system logging with rsyslog on fedora 17

my laptop began to freeze up and i cant get anything from my local logs so i had to set up remote logging. all i had to do was follow these easy steps

so on the client side

sudo vi /etc/rsyslog.conf

and go right to the bottom of the file where it says "remote host". yes, use those as key words. you will find an entry that looks like:

#*.* @@remote-host:514

remove the hash and put in the ip of the remote syslog server (in my case it was my desktop). you can of course, put in the hostname instead of ip, but make sure the name is resolvable first.

How To Upgrade From Fedora 16 To Fedora 17 (Desktop & Server)

these types of articles seem to be in demand so again, i will repeat it.the instructions to upgrade your fedora desktop or server can be found here.

tell me, wasnt that simple?

virsh cheat sheet

i am currently working with kvm a little bit, so as usual i tried to figure out the command line version instead of relying on virt-manager. this is great since, virt-manager is not guaranteed to work across the network without a little setup. source is taken from here


architecting your data center

so if you like me suddenly found yourself one day, about 7 years ago, given a brand new environment of 200 servers to install, configure and maintain by yourself, what are you going to do ?

anyways, what did i do? well i pulled out my redhat course books and decided on what i needed and the following is what i came up with. after i give you my list of 7 years ago, i will give you my thoughts of how i would do it today


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