On RHEL/CentOS systems, I am used to being able to use the whatprovides command to find what package contains a specific binary. On Ubuntu the best equivalent I have found is the apt-file command. This is not installed by default:
root@backuppc:~# apt install apt-file
Once installed, you might need to update its cache before the first use:
root@backuppc:~# apt-file update
To find out what package provides the mkpasswd binary, I can issue the following:
root@backuppc:~# apt-file search mkpasswd
The output for this command is shown below:
root@backuppc:~# apt-file search mkpasswd charybdis: /usr/bin/charybdis-mkpasswd charybdis: /usr/lib/charybdis/modules/extensions/m_mkpasswd.so expect: /usr/bin/expect_mkpasswd expect: /usr/share/man/man1/expect_mkpasswd.1.gz grub-common: /usr/bin/grub-mkpasswd-pbkdf2 grub-common: /usr/share/man/man1/grub-mkpasswd-pbkdf2.1.gz ircd-irc2: /usr/sbin/ircd-mkpasswd ircd-irc2: /usr/share/man/man8/ircd-mkpasswd.8.gz libstring-mkpasswd-perl: /usr/bin/mkpasswd.pl libstring-mkpasswd-perl: /usr/share/doc/libstring-mkpasswd-perl/changelog.Debian.gz libstring-mkpasswd-perl: /usr/share/doc/libstring-mkpasswd-perl/copyright libstring-mkpasswd-perl: /usr/share/lintian/overrides/libstring-mkpasswd-perl libstring-mkpasswd-perl: /usr/share/man/man1/mkpasswd.pl.1p.gz manpages-zh: /usr/share/man/zh_CN/man1/mkpasswd.1.gz manpages-zh: /usr/share/man/zh_TW/man1/mkpasswd.1.gz whois: /usr/bin/mkpasswd whois: /usr/share/man/man1/mkpasswd.1.gz
The last two lines indicate whois provides the mkpasswd binary.
Some people report that you can use dpkg -S for the same thing but this doesn’t help here.
root@backuppc:~# dpkg -S mkpasswd grub-common: /usr/bin/grub-mkpasswd-pbkdf2 grub-common: /usr/share/man/man1/grub-mkpasswd-pbkdf2.1.gz
I hope this helps someone one there! 🙂
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