Today I found that on my hard disc I had error with bad sectors. I did not able to make input/output operations. This article helped me to resolve this problem. I hope that it will help to someone else!

Caution: these steps will delete all the data in the selected partition of hard drive. Understand the following command: sudo = root permission badblocks = testing program on Linux -b = block size, 4096

Today I received the request to change the hard drive of a large file system, advertising boards. Of course the system is Linux, a custom version of Debian Caldera. After the basic checks we found that