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Daily system administration tasks often require administrators to connect remote systems. But allowing these remote systems to accept passwords makes these systems vulnerable to the risk of brute-force password guessing attacks. Furthermore there ar…
Setting up Secure Ubuntu server on VMware
1. Insert the Ubuntu Server distribution CD or attach the ISO of the CD which is in the “Datastore”. Note that it is important to install the x64 edition on servers, not the X86 editions.
2. Power on th…
Learn several ways to interact with files and get file information from the bash shell.
ls lists the contents of a directory: Using the -a flag displays hidden files: Using the -l flag formats the output in a long list: The file command gives us mor…