I would like to keep Debian up-to-date with the most recent stable packages. I did searches on the Internet and have then made changes/added entries as follows in /etc/apt/sources.list:
Can I safely run# deb cdrom:[Debian GNU/Linux 9.0.0 _Stretch_ - Official amd64 DVD Binary-1 20170617-13:08]/ stretch main
#deb cdrom:[Debian GNU/Linux 9.0.0 _Stretch_ - Official amd64 DVD Binary-1 20170617-13:08]/ stretch main
#deb http://ftp.us.debian.org/debian/ stretch main
deb http://ftp.us.debian.org/debian/ stable main contrib non-free
#deb-src http://ftp.us.debian.org/debian/ stretch main
deb-src http://ftp.us.debian.org/debian/ stable main contrib non-free
#deb http://security.debian.org/debian-security stretch/updates main
deb http://security.debian.org/debian-security stable main contrib non-free
#deb-src http://security.debian.org/debian-security stretch/updates main
deb-src http://security.debian.org/debian-security stable main contrib non-free
# stretch-updates, previously known as 'volatile'
#deb http://ftp.us.debian.org/debian/ stretch-updates main
deb http://ftp.us.debian.org/debian/ stable-updates main contrib non-free
#deb-src http://ftp.us.debian.org/debian/ stretch-updates main
deb-src http://ftp.us.debian.org/debian/ stable-updates main contrib non-free
Code: Select all
sudo apt upgrade