HacksLinux SysAdmin Notes
List all installed/loaded/enabled Apache modules from the command line in Linux.
How to send GET and HEAD requests to a web-server using telnet to check HTTP header and to get a web-page's content.
How to undo all uncommitted changes, delete all new files and folders, reset modified files, restore deleted files and revert everything back to the last commit using git.
Viewing the change history of a specific file in Git, including diffs and history of renames.
How to create a symbolic link to a file or a directory from the Linux command line.
How to disable SSH host key verification and bypass "The authenticity of host ***** can't be established." and "REMOTE HOST IDENTIFICATION HAS CHANGED." messages.
How to disable and removed from the routing table the ZEROCONF (169.254.0.0/16) route.
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