find . -type d -exec chmod 755 {} \;
This will recursively search your directory tree (starting at dir ‘dot’) and chmod 755 all directories only.
Similarly, the following will chmod all files only (and ignore the directories).
find . -type f -exec chmod 644 {} \;
Leave Job Running After Logout Have you ever run a command on a Unix-like system and then realized it’ll take a really long time, and you want to log out of the computer and leave it running? Or maybe you’ve connected over SSH to a remote server and executed a command that will take a while, and you’re really worried that your network connection will fail and kill the command.
TestDisk from CG Security is a Linux platform file recovery tools, it will try to scan on sector level of hard disk for recoverable files. To recover your lost images or media then you can try PhotoRec.
Alternatives :
iRedMail is a full-featured mail server ready in 2 Minutes, its a shell script that lets you quickly deploy a full-featured mail solution in less than 2 minutes. Since version 0.5, iRedMail supports Ubuntu 8.04, 9.04 (it supports both i386 and x86_64). Its object is to make a Linux mail server installation and configuration simple and easy to use. iRedMail supports both OpenLDAP and MySQL as backends for storing virtual domains and users.This tutorial shows how to use the OpenLDAP backend.
Now iRedmail provides two webmail programs, RoundCube and SquirrelMail, and both support MySQL and OpenLDAP and can change the password.
EnGarde Secure Linux The Community Edition of EnGarde Secure Linux was designed to support features suitable for individuals, students, security enthusiasts, and those wishing to evaluate the level of security and ease of management available in Guardian Digital enterprise products. Its development is very much driven by not only the requests from the community, but also their continued participation.
The Community Edition is a dynamic, rapidly-evolving product that serves to exhibit the best-of-breed applications currently under development. Guardian Digital enterprise products provide greater levels of support, support for more advanced hardware, more sophisticated upgrade path, and features more suitable for enterprises, including support for our other enterprise applications.