How To: List what Procs are using the Lib in Linux
root
Find the Procs After upgrading an important package in Linux -or other Unix variant- that provides a library used by many other processes. Instead of restarting the server for the…
Tutorials
How To: Encrypt/Decrypt File with OpenSSL
Encrypt/Decrypt File When security and integrity of a file is critical, such as with x509 certificates or other important documents, OpenSSL or other variant can be used to secure the…
How To: Run a Command Quickly on Remote Server using SSH
When working in a clustered Linux environment containing two or more servers, it is not uncommon to switch back and forth between the hosts. Even if it’s running one command.…
How To: Linux – View Squid Proxy’s Active Cache Store
Ever wanted to see whats going through Squid’s cache right at the moment? But get immediately discouraged with all the timestamps, SWAPOUT, RELEASE and other cache variables? I have a…
How To: TOTP 2FA Linux SSH Using Google-Authenticator
Using only a username and password for authentication is no longer secure. With user-database dumps reaching millions of exposed, albeit hashed and salted, passwords. Secure authentication should include not only…