Fix MariaDB install issue "libmysqlclient18 which has multiple installed instances" on Ubuntu

Dec 3, 2013, 1:10:34 PM

I have faced this issues couple times on different Ubuntu versions while trying to install MariaDB (fully compatible MySQL replacement DB)

dpkg: error processing /var/cache/apt/archives/libmysqlclient18_5.5.33a+maria-1~raring_amd64.deb (--unpack):
 libmysqlclient18:amd64 5.5.33a+maria-1~raring (Multi-Arch: no) is not co-installable with libmysqlclient18 which has multiple installed instances

as I understand "old" version of libmysqlclient18 is already installed and for some reason system can't resolve what to do with current lib as some other soft depends on it.

Fix

Open /var/lib/dpkg/status search for a line with Package: libmysqlclient18 and remove block of text till lines "Original-Maintainer: ..." this text block could appear couple times there, remove all appearances. after that run apt-get -f install

Such "hack" helped with some other libs also, whenyou are sure that you have installed correct version of library or you have a PPA with needed version, but apt-get does not see it. Try do the same manual cache clean for this lib.

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Ievgen
Kuzminov "iJackUA"
Web Team Lead
at MobiDev (Kharkiv, Ukraine)
Code in Ruby and Elixir, but still love PHP. Explore ES6 and Vue.js. Explore databases, use Ubuntu and MacOS, think about IT people and management

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