Linux, programming and more
Free SSL certificates! This not a mirage. Follow this instructions step by step and you will be able to secure all your running projects for free.
About let’s encrypt: let’s Encrypt is a free, automated, and open certificate authority (CA), run for the public’s benefit.
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If you get a certificate from a customer and you should implement it in some piece of software (for example nginx). The first step is to compare the received files.
After this check the displayed hash should [Read more…]
Tutorial for Certificate Signing Request (CSR Request) based on the geotrust knowledge base.
Step 1: Generate a Key Pair
Type the following command at the prompt for a non-encrypted key:
1 | openssl genrsa -des3 -out ssl.zeldor.biz.key 4096 |
Note: When prompted for a pass phrase: enter a secure password and remember it, as this pass phrase is what protects the private key. Both the private key and the certificate are required to enable SSL.
Step 2: Generate the CSR
Type the following command at the prompt to generate the CSR based on the generated key:
1 | openssl req -new -key ssl.zeldor.biz.key -out ssl.zeldor.biz.csr |
This is my second OpenVPN road warrior setup, I write this post from my first pre created drafts. Its more than one year ago, I combined some steps and command, to make it human readable and a little bit friendly :)
Setup map:
First we need to install the needed OpenVPN package:
1 | apt-get update && apt-get install openvpn |
Copy the helper scripts to make the life easier, they will help you to create keys and certificates: [Read more…]