Generally Rsync asks for password before starting file transfer. Here is how to setup Rsync between two servers without password.
Linux
How to Rsync Files Between Two Servers
Sometimes you may need to synchronize files between two remote servers. Here is how to rsync files between servers.
How to Run Shell Script in Linux
Shell scripts are very useful in Linux. Here is how to run shell script in Linux. You can use it to run sh file in Ubuntu and execute unix command in shell script.
How to Rename Multiple Files in Linux
Sometimes you may need to change name of multiple files & folders in Linux. Here are the different ways to rename multiple files in Linux.
How to Extract .bz2 File in Linux
Bzip2 is a popular compression algorithm for tar command. Here is how to extract .bz2 file in Linux.
How to View Hidden Files in Linux
Sometimes you may need to show hidden files, list hidden files or display hidden files in Linux. Here are the different ways to view hidden files in Linux.
How to Fix Notice: Undefined Variable in PHP
Sometimes you may get an error Notice: Undefined Variable in PHP. Here is how to fix this error in PHP.
How to Grep Multiple Strings, Patterns & Words
Grep is a powerful utility to search for strings, patterns and words in Linux. Here is how to grep multiple strings, patterns and words.