CRC32 & CRC64 and other checksum methods

What is CRC-64? A cyclic redundancy check (CRC) is an error-detecting code used to detect data corruption. When sending data, short checksum is generated based on data content and sent along with data. When receiving data, checksum is generated again and compared with sent checksum. If the two are equal, then there is no data corruption. The CRC-64 […]

Node JS Installation on Fedora

Step 1 – Setup Dnf Repository First of all, You need to enable node.js yum repository in your system provided by the Node.js official website. You also need development tools to build native add-ons to be installed on your system. For Latest Release:-

For Stable Release:-

Step 2 – Install Node.js on Fedora […]

Docker – Mssql – Server : Environment Variables

Environment Variables You can use environment variables to configure SQL Server on Linux Containers. ACCEPT_EULA confirms your acceptance of the End-User Licensing Agreement. SA_PASSWORD is the database system administrator (userid = ‘sa’) password used to connect to SQL Server once the container is running. Important note: This password needs to include at least 8 characters of at least […]

Hacking ECDSA based Digital Signature Algorithm

ECDSA is newer and is based on DSA. It has the same weaknesses as DSA, but it is generally thought to be more secure, even at smaller key sizes. It uses the NIST curves (P256). RSA is well-regarded and supported everywhere. It is considered quite secure. Common key sizes go up to 4096 bits and as low as 1024. […]

Nginx Error when posting over reverse proxy (/var/lib/nginx/ Permission Denied)

     

Vncserver run with all interfaces