Another user data leakage event happened recently. Here is an article about how to design and implement your user/password system with good hashing/salt strategies in web applications.

In some cases when you cannot use “ftp/scp” to transfer files between hosts, you can try the “sz/rz” commands which use the “ZMODEM“ protocol.

From here, here, and here.

From here and here.

The “stash” command of Git is very useful when you want to save some temporary changes without making a commit, and use them later. Here some commands for typical scenarios.

The purpose is to combine multiple Git repositories into one without losing the history information. From here(MiniQuark’s answer).

The error happened on Ubuntu Xenial with Octopress. The fix is to copy the needed “libpython2.7.so.1.0” to override the existing “libpython2.7.so.a” file.