7

I have tried many ways to install mysql-server. I first tried installing by executing

sudo apt-get install mysql-client-5.5 mysql-server mysql-server-core-5.5

I was asked for root password, and that I did. But the install was not complete some unmet dependency came up. Very similar to in this question. I have then tried different combinations and unmet dependency issue went away but I started getting this

Preparing to unpack .../mysql-server_5.5.43-0ubuntu0.14.04.1_all.deb    
Unpacking mysql-server (5.5.43-0ubuntu0.14.04.1) ...
Errors were encountered while processing:
 /var/cache/apt/archives/mysql-server-5.5_5.5.43-
0ubuntu0.14.04.1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

I have already tried removing and purging dependencies through various methods like in this question 2. I have also tried doing that via Aptitude and tried installing mysql-server again, but with no success. Please help me out!

4
  • Remove the cached archive: sudo rm /var/cache/apt/archives/mysql-server-5.5_5.5.43- 0ubuntu0.14.04.1_amd64.deb
    – A.B.
    Jun 29, 2015 at 17:56
  • sudo rm /var/lib/mysql/debian-5.6.flag Jun 29, 2015 at 19:25
  • I did as you said and I remooved the debian .flag file too. It installed successfully but gave error at setting root password. Running mysql gave this error ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2). So I gave up and installed 5.6 mysql server and client via Aptitude. Thanks anyways Jun 29, 2015 at 19:38
  • Than I have an answer for you :)
    – A.B.
    Jun 29, 2015 at 20:21

2 Answers 2

4

dpkg --get-selections | grep "mysql"(It list all installed mysql in your system)

If still mysql installed In Your System remove it first by using following commands.

    sudo apt-get --purge remove mysql
    sudo apt-get autoremove mysql
    sudo apt-get autoclean mysql

check for /etc/mysql/my.cnf and /var/lib/mysql files. If these files still exist then remove them by using

  sudo rm -rf /etc/mysql/
  sudo rm -rf /var/lib/mysql/  

Above two commands completely removes your MySQL data directory and configuration file.please sure before removing it.

Once update your system:

sudo apt-get update 

After update install MySQL server

sudo apt-get install mysql-client mysql-server
2
  • Installing new version of config file /etc/init.d/mysql Installing new version of config file /etc/apparmor.d/usr.sbin.mysqld start: Job failed to start invoke-rc.d: initscript mysql, action "start" failed dpkg: error processing package mysql-server-5.6 (--configure): subprocess installed post-installation script returned error exit status 1 Setting up libhtml-template-perl (2.95-1) Setting up mysql-common-5.6 (5.6.27-0ubuntu0.14.04.1) Processing triggers for ureadahead Errors were encountered while processing:mysql-server-5.6 E: Sub-process /usr/bin/dpkg returned an error code (1)
    – user269867
    Dec 21, 2015 at 22:02
  • Tried all the steps , removed all the mysql related packages, still i get ": dpkg: error processing package mysql-server (--configure): dependency problems - leaving unconfigured No apport report written because the error message indicates its a followup error from a previous failure. Errors were encountered while processing: mysql-server-5.6 mysql-server E: Sub-process /usr/bin/dpkg returned an error code (1)
    – Sushivam
    Oct 27, 2016 at 10:59
2

Remove the cached deb file:

sudo rm /var/cache/apt/archives/mysql-server-5.5_5.5.43-0ubuntu0.14.04.1_amd64.deb

and try it again:

sudo apt-get install -f
sudo apt-get install mysql-client mysql-server

Alternatively, install version 5.6:

sudo apt-get remove mysql-server mysql-client
sudo apt-get install mysql-server-5.6 mysql-client-5.6
1
  • Just a note for any future people with the same problem: I tried installing it as root, but wouldn't succeed. But as a normal user and sudo install all the packages, it worked. Maybe this will help anybody in the future...
    – Mathlight
    Sep 27, 2016 at 17:03

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