If you regularly work outside your workplace and complete tasks on the go, then DocHub is the document management service you need. It’s a cloud solution that operates on any internet-connected device, and you can access it from anyplace. The interface is intuitive yet powerful, so you’ll need only a couple of moments to Enter password in Energy Audit Report and make other required updates.
Stop wasting time looking for an excellent document editor; explore DocHub today and prepare your forms no matter where you are!
In a previous video we discussed the fact that clear text passwords are not kept on the system because it would be easy for root or someone who had access as root to go in and read everyones password. Instead passwords are put through a hashing function a one-way hash, and that information is stored in a file. In Linux authentication information is kept in two files as we discuss the password file passwd which is located in the /etc directory, and the shadow (/etc/shadow) file which contains the actual hashes. Lets take a look at the /etc/shadow file. Notice that I use sudo here. Note that root is typically the first entry in the shadow file. Notice the ! here means that root cant login from the the login screen and all these other accounts in light blue are system services. Notice that they dont have a password its just an asterisk there. But if we get to the bottom we see that we have user PC which is me and we see a long string of characters. Different hashing