can anybody tell me do we have any open source software with the help of which we can take the backup of the entire system including the OS and the application running on it.
Say for exmple i have the mail server in RHEL5. The mail server is in Qmail.
few days back it got crashed. it took me two days to recover from it.
once again i have to install it and do the necessary things.
any help will be helpful
thanks in advance