This is what I see when trying to install openssl-server on a fresh install of Debian-10.4:
apt install -f openssh-server Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: openssh-server : Depends: openssh-client (= 1:7.9p1-10+deb10u1) but 1:7.9p1-10+deb10u2 is to be installed Depends: openssh-sftp-server but it is not going to be installed E: Unable to correct problems, you have held broken packages. The sources.list file contains this: # deb cdrom:[Debian GNU/Linux 10.4.0 _Buster_ - Official amd64 DVD Binary-1 20200 0509-10:26]/ buster contrib main deb http://security.debian.org/debian-security buster/updates main contrib deb-src http://security.debian.org/debian-security buster/updates main contrib # buster-updates, previously known as 'volatile' # A network mirror was not selected during install. The following entries # are provided as examples, but you should amend them as appropriate # for your mirror of choice. # deb http://deb.debian.org/debian/ buster-updates main contrib deb-src http://deb.debian.org/debian/ buster-updates main contrib How do I fix this? -- *** e-Mail is NOT a SECURE channel *** Do NOT transmit sensitive data via e-Mail Do NOT open attachments nor follow links sent by e-Mail James B. Byrne mailto:byrn...@harte-lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3