I have run into a problem installing mssql server (ver. 14.0.600) on an Ubuntu server (16.04, x86-64). The installation stops with the following error:

The following packages have unmet dependencies:
mssql-server : Depends: openssl (<= 1.1.0).

However, apt-cache policy openssl reports openssl as:

Installed: 1.1.0f-2~ubuntu16.04.1+deb.sury.org+1 /
Candidate: 1.1.0f-2~ubuntu16.04.1+deb.sury.org+4

sudo apt-get install -f was initially: 0 upgraded, 0 newly installed, 0 to remove and 7 not upgraded. After apt-get upgrade (apache,openssl,grub): 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

Sadly enough, same dependency error as before.

Is openssl 1.1.0f > 1.1.0 ? Is there any way out of this problem, short of reinstalling Ubuntu with openssl 1.0.2g ?

Trying to downgrade openssl does not appear to be a safe procedure according to several posts on the net.

Edit: apt-get purge --auto-remove openssl returns 0 upgraded, 0 newly installed, 139 to remove and 0 not upgraded. This is not something that I want to/dare to do right now.

  • Would you please open a terminal and execute sudo apt-get -f install and paste the results of that command into your question? – Charles Green Jun 30 '17 at 15:04
  • This question is also used to solve UBUNTU 18 LTS env installation for MS-SQL-Server, see bellow askubuntu.com/a/1033154/439867 – Peter Krauss May 24 '18 at 20:25

I have the same problem after update openssl, try this

  1. Install aptitute sudo apt install aptitude
  2. sudo aptitude install mssql-server

The following NEW packages will be installed: ... The following packages have unmet dependencies: mssql-server : Depends: openssl (<= 1.1.0) but 1.1.0f-2~ubuntu16.04.1+deb.sury.org+1 is installed. The following actions will resolve these dependencies:

Keep the following packages at their current version:

        1)  mssql-server [Not Installed]                       

Accept this solution? [Y/n/q/?] n

  1. type n and press enter

The following actions will resolve these dependencies:

Downgrade the following packages:

        1)  openssl [1.1.0f-2~ubuntu16.04.1+deb.sury.org+1 (now) -> 1.0.2g-1ubuntu4.6 (xenial-security)]

Accept this solution? [Y/n/q/?] Y The following packages will be DOWNGRADED: openssl

  1. type Y and press enter, and mssql-server will be installed
  2. sudo /opt/mssql/bin/mssql-conf setup

re-configure your installation

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  • 2
    I had the same trouble, it doesn't show me the option to downgrade, I can't even downgrade using sudo apt-get install openssl=1.0.2 because it says E: Version '1.0.2' for 'openssl' was not found , I'm using ubuntu 18.04 – opensas May 7 '18 at 8:14

Apparent solution for Ubuntu 18.04:

apt-get install -y libjemalloc1 libsss-nss-idmap0 libc++1 gawk curl

curl https://packages.microsoft.com/keys/microsoft.asc | apt-key add -

add-apt-repository "$(curl https://packages.microsoft.com/config/ubuntu/16.04/mssql-server-2017.list)"

add-apt-repository "$(curl https://packages.microsoft.com/config/ubuntu/16.04/prod.list)"

wget http://archive.ubuntu.com/ubuntu/pool/main/c/ca-certificates/ca-certificates_20160104ubuntu1_all.deb

dpkg -i ca-certificates_20160104ubuntu1_all.deb

wget http://archive.ubuntu.com/ubuntu/pool/main/o/openssl/openssl_1.0.2g-1ubuntu4_amd64.deb

dpkg -i openssl_1.0.2g-1ubuntu4_amd64.deb

apt install -y libcurl3

apt-get update
apt-get install -y mssql-server

It is necessary to check if SQL subsequently works well without problems.

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  • 1
    I am using fresh UBUNTU 18 LTS at digitalOcean droplet and all script runs fine (!). After all, the last messages was "Please run sudo /opt/mssql/bin/mssql-conf setup to complete the setup of Microsoft SQL Server" and after it "... Please run systemctl restart mssql-server.service." ` – Peter Krauss May 24 '18 at 20:22
  • 1
    FYI Installing SQL Server 2017 for Linux on Ubuntu 18.04 LTS - by the SQL Server engineering team. – user671880 Aug 31 '18 at 12:34

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