apt-get install openssl libssl-dev zlib1g zlib1g-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
zlib1g is already the newest version ( 1 :1.2.8.dfsg-2ubuntu4.1) .
openssl is already the newest version ( 1.0.2g-1ubuntu4.10) .
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:
libssl-dev : Depends: libssl1.0.0 ( = 1.0.2g-1ubuntu4) but 1.0.2g-1ubuntu4.10 is to be installed
Recommends: libssl-doc but it is not going to be installed
zlib1g-dev : Depends: zlib1g ( = 1 :1.2.8.dfsg-2ubuntu4) but 1 :1.2.8.dfsg-2ubuntu4.1 is to be installed
E: Unable to correct problems, you have held broken packages.
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