how to disable fprintd, the fingerprint daemon

you are here because you want to disable the fprintd ; fingerprint daemon on your machine. short answer is you cant.

long answer is it is isnt a service that you can enable or disable it is called by dbus when there is a need for it. i did discover a method to disable that part of it in this thread but you know what? i like a suggestion in there too

yum -y erase fprintd

and i am a happy camper! :D

how to do bluetooth pairing on centos

this is a story of a phone that wanted to pair with a centos box via bluetooth.

the centos box has a bluetooth dongle

the steps are:

1. install the bluetooth stack and python dependencies

yum -y install pygobject2 bluez

2. get simple-agent, the python script that pairs the bluetooth devices together

chmod +x simple-agent

3. get the mac address of the phone

hcitool scan

4. set the pin for your centos box

dynamic dns and ddclient

to access my home computers, i use dynamic dns or ddns for short. i have been using dynamic dns from before the days they were a commercial dns provider. then the started selling dns services and began limiting ddns hosts. then they made them a max of 3 and then a week ago, they cut off the legs on the free ddns service.

installing a hp wifi enabled printer

this is just a quick note about installing a wifi enabled hp printer on fedora (20)initial set up must first be initiated by direct USB cable via


hp-setup is installed as part of the hplip* packages. it needs the hplip-gui package specifically.

once the printer is configured for wireless networking (aka IP), you can use system-config-printer to add the wireless printer. but before you do that you must open up your firewall with

how to: Installing ESXi 5.5 on less than 2GB RAM

you may know i am trying to set up an esx lab at home. i was trying to do it with nested virtualisation but it wasnt working out very well so instead i dig up an old hp 7800 desktop that i had and slid the cd in.

how to setup a nested esx lab at home


This is meant as a walk through for setting up a small lab at home with access to the internet via your home’s residential  ISP provider. The network has only one lan and either a DSL or Cable modem link

A few hints:

how to enable postfix on fedora 20

so in fedora 20 the powers that be decided that no default mail transport agent program will be installed. the decision was made based on the "fact" that fedora is used "exclusively" on desktops. and on desktop there is no single program that uses the MTA to send mail to root to warn of any impending disk failure or security breach. mail? pfffffft! who needs it.

this how to aims to rectify that situation. so as root

yum -y install postfix
alternatives --config mta
service postfix restart
chkconfig postfix on

and thank you very much!

how to enable the grub splash screen on fedora

the grub splash screen is a graphical boot up instead of the text mode. having a grub splash screen is not only pretty but sort of gives continuity to the entire linux graphics experience. and this is how you do it

its a 2 step process:

the first step is to install the theme

yum -y install grub2-starfield-theme

the next step is to add a line as root to /etc/default/grub

echo "GRUB_THEME=\"/boot/grub2/themes/system/theme.txt\"" >> /etc/default/grub

then modify the line

t420 fan management on fedora

so my lenovo t420 would keep heating up and then suddenly shutting down. not cool when you have mysql running coz then you got to remove the stale pid. so i finally got round to doing some research and this is what i came up with

howto disable akonadi and nepomuk for users on a system

last week, the family pc had its memory decreased as i decided i needed the ram elsewhere. what happened was entirely unexpected. just a single user on system would make the system crawl and unexplained disk i/o occurred. so i did a little research and if you reached here too, you probably did a little reasearch on your own.


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