Archives for Software Dev - Page 16
Bitcoin Wallet API Programming
The bitcoin wallet is your entry door into the bitcoin network. This post discusses different ways you can write your own program to interact with the live bitcoin blockchain (known…
Bitcoin wallet basics
This short post contains common misconceptions around what is in a wallet, how does a wallet differ from an address and what exactly goes into creating an address. This is…
Hidden Network in available Wifi Networks
This is not a cause for alarm. All this means is that someone has a network that doesn't broadcast it's SSID. Several folks, companies, neighbors may do exactly that, to…
PKI and a regular https browser session
What is PKI used for? PKI is used for two things - one that you may be familiar with (encryption of data in transit) - and another that you may…
Troubleshooting letsencrypt and certbot
On Linux - once installed, look for certbot using ls -l /bin /usr/bin | grep certbot OR just grep certbot If you get a result, you should see the certbot…
Network and VM isolation in GCP versus AWS
Overview Not all cloud resources require an underlying physical network. For example, an s3 bucket in AWS exists outside the VPC construct (but can be accessed by instances within a…
Github and SSH authentication – Generate a key pair using gitbash
Github uses SSH for authentication only. It is important to understand that it doesn't use SSH for encrypting data back and forth. Download the entire git for windows package here.…
Adding PATH variable for git and gitbash to work on Windows
SYSTEM PATH Variable You will need administrator on the local box - to set the SYSTEM PATH variable as shown below Click on Advanced System Settings. Click on Environment Variables.…
AWS and CloudBerry for Simple Storage Solutions
CloudBerry for ‘Blob’ Storage and Recovery Storage is such an important use case that the rest of cloud services are essentially handicapped without it. For a backup strategy, you need a…
x.509 vs ECDSA vs RSA
is a standard that defines the structure and hierarchy of public key certificates. It relies on an hierarchical system of certificate authorities (CAs) for issuing the certificates (in contrast to a web of…