To configure custom domain for the deployed API on API gateway we need the certificate either public certificate created using AWS Certificate Manager or certificate provided by other certificate authority Check this article to create a certificate using ACM Assuming…
A simple python program to create a random password without using any libraries using prime number is as follows Random numbers created by above program is not truly random, it was an effort to create random password with out using…
There are different ways to generate RSA public and private key pair. Command line tools that are available generate RSA key pair are Using OpenSSL command to generate RSA public and private key pair Generating RSA Key Pair Using OpenSSL…
In general to troubleshoot network connectivity ping command is used, where ping command uses the ICMP protocol behind the scenes. ICMP stands for Internet Control Message Protocol, it is used as complimentary protocol along with IP to send back error…
React Native is the open source frame work created by Facebook to develop cross platform applications for Android, IOS, Web and Windows (UWP). Especially when it comes to mobile application development, applications developed using react-native can be released on both…
OpenSSL command to download the certificate from website is as follows Simple Example to download the certificate from google.com Where, echo -n produces empty message to server so successful connection is made The -servername is required to select the correct certificate when…
Certificates are prominent in today’s secure data communicate particularly in HTTPS protocol. Certificates are used to identify the authenticity of the public key shared by other party by digitally signing it by trusted certificate authority. Certificate contains various components Display…
SMTP is the connection-oriented and text-based conversation or chatty protocol. Using netcat(nc) or telnet we can connect to STMP server or the mail exchange and send the mail if the server is accepting on insecure port on 25 otherwise use…
Commits in git are immutable and each commit maintains the two different dates that is When you amend the commit, author date won’t be changed but commitDate will be updated to current date and time To list commits along with…
Oracle database is owned by Oracle company while MySQL used to be open source and it is acquired by Oracle such that both Oracle database and MySQL are owned by Oracle corporation yet both seem different when they are used.…