Browsing All Posts filed under »tools«

Digital Certificate types – faq

January 17, 2015

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1. What is the difference between machine digital certificate and user certificate? 1.1 Answer Microsoft Windows specifically: ” Local machine certificate store This type of certificate store is local to the computer and is global to all users on the computer. This certificate store is located in the registry under the HKEY_LOCAL_MACHINE root. Current user […]

Linux Audio Troubleshooting

November 1, 2012

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Imagine I had Linux Mint 12 and I connected my headphone to my linux machine, after disconnecting it I have lost my sound!?! I have alarm sounds in my monitoring system for many¬† companies and it was just silence, no alarms… I had to check the settings with the alsamixer gui (alsamixer command) and something […]

Watching TV on the highway

November 1, 2012

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That was the most important and critical security issue I have ever had! :-) I wanted to see the big jump, the Red Bull Stratos, but I was on the way home. I have tried to watch it on the road with my linux mint laptop. I have already had a Geniatech DVB-T TV Stick […]

Find all user-installed packages

November 1, 2012

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I wanted to know after couple of month what I have installed on my computer with linux. Just in case I have to reinstall my linux I want to know what tools and applications I have installed earlier. It is quite easy to list them for future references actually for brand new installations. I have […]

openssl update on ddwrt, is it Checkmate or Check?

April 17, 2012

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After reading an old articel on TLSv1 vulnerability I wanted to test it. The website I have red about this TLSv1 Issue: http://www.theregister.co.uk/2011/09/19/beast_exploits_paypal_ssl/ After reading I wanted to look for a webserver that support TLSv1. For that task I need only an openssl on a device with public internet access, that is actually my ddwrt […]

save and rotate backups

March 16, 2012

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This is a really simply and of course my first script to copy firewall backups to a remote server and rotate the backups. – The script generate log files and list the files that were modified (copied or deleted). – The first part of the script checks on the remote server the old backups and […]

Timestamps of a file

March 16, 2012

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For example to make a correct log file rotation or backup rotation or other kind of file rotation it is good to understand what kind of timestamp a file has and which one can be affected and how it can be affected. Here are documented the basic 3 linux commands that can be used to […]