Debian is distributed (mirrored) on hundreds of servers on the Internet. Using a nearby server will probably speed up your download, and also reduce the load on our central servers and on the Internet as a whole. Debian mirrors exist in many countries, and for some we have added a ftp.

What is the mirror in Linux?

Mirror could refer to servers that have the same data as some other computer… like Ubuntu repository mirrors… but it could also could refer to a “disk mirror” or RAID.

Are Debian mirrors safe?

Yes, it is generally safe. Apt has the packages signed, and verifies those signatures. Ubuntu is based off Debian, who designed the package system. If you want to read more about their package signing, you can do so at