The Tech Magazine
The Secure Shell (SSH) Protocol is a protocol for secure remote login and other secure network services over an insecure network. ssh and sftp are two commands used to login and file transfer securely. Learn about ssh usage with examples & available options.
bash and Linux OS provides an error code on encountering failure or exist status code. As a numeric code is displayed it is for the user to understand and act on that error code. find the ready reference to the exit codes and error codes with their meaning to help debug the issues faster.
strace is an important debug tool in Linux and Unix systems to trace system calls and signals. strace is used where the program does not provide sufficient information for the cause of failures and we need to go a level deeper in to system calls and signal levels to find out potential issues.