Versuch, libssl-dev unter Ubuntu 14.04.2 zu installieren
$ make
fatal error: openssl/sha.h: No such file or directory
compilation terminated.
$ sudo apt-get install libssl-dev
The following packages have unmet dependencies:
libssl-dev : Depends: zlib1g-dev but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
$ sudo apt-get install zlib1g-dev
The following packages have unmet dependencies:
zlib1g-dev : Depends: zlib1g (= 1:1.2.3.4.dfsg-3ubuntu4) but 1:1.2.8.dfsg-1ubuntu1 is to be installed
E: Unable to correct problems, you have held broken packages.
Wie kann ich das zurückgehaltene Paket entfernen und das richtige installieren?
sudo apt update
und / odersudo apt upgrade
?