How do I uninstall MySQL in WSL?
I have version 5.7.4 installed. After reading over the changes for upgrading to the latest 5.7.x version so I could upgrade to 8.0 (there's a minimum requirement of 5.7.9 to upgrade to 8.0), I figured it would be easier to just uninstall MySQL and start over (I have nothing worth saving from playing around with it previously).
I tried running the following commands (as per this post and this one) and got the following responses:
$ sudo apt remove mysql mysql-server
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package mysql
$ sudo apt-get remove --purge *mysql*
zsh: no matches found: *mysql*
$ sudo apt-get purge mysql-server mysql-client mysql-common mysql-server-core-* mysql-client-core-*
zsh: no matches found: mysql-server-core-*
After running those, I'm still able to start and stop my server with the following commands (note that these are not necessarily the usual systemd commands because I'm in WSL2):
sudo /etc/init.d/mysql start
mysqladmin -u root -p shutdown
Unsure if this is relevant, but even when the server is running I'm not seeing the socket when I enter sudo find / -type s as suggested by this post.
I'm wondering it'd be okay to just delete what files I can find manually, but that seems like a bad idea
/var/lib/mysql/
/usr/share/mysql/
/usr/lib/mysql/
The problem was using zsh as a shell. I successfully removed MySQL with sudo apt-get remove --purge '*mysql*'
Related
on running django-server with django==1.9 and pgsql 9.5, virtualenv=15.0.9 with python2.7 installation no-wheel no-site-packages on ubuntu 14.04
no previous mysql installation prior mariadb==10.2 after which this error occured. tried purging mariadb then, installing mysql=5.6 from dpkg but it didn't solved it either, then reinstalled mariadb==10.2 for sudo apt-get install libmariadbclient but it didn't solved it either.
Any help would be appreciated, ....
getting the below error
Solved.
a gis plugin was being used in my project postgis and postgres used in project.
for that the very initial postgres installation must have put libmysqlclient_18 version defined by its own customizations.
after mariadb installation, the libmysqlclient.so.18 should have been updated, hindering the older linkage and setups.
ran the mysql/mariadb cleaning with this post
https://askubuntu.com/a/172516/735971
installed mariadb again, got the gis support and issue is resolved.
link to gis support libraries:
http://scigeo.org/articles/howto-install-latest-geospatial-software-on-linux.html
update:
got another error during running django server with postgresql==9.5 and postgis==2.2
Could not find the GEOS library (tried "geos_c", "GEOS"). Try setting GEOS_LIBRARY_PATH in your settings.
traced to evidence that mariadb-common files and libmysqlclient/libmariadblclient was still cached in apt-get
evertime I installed postgresql or any of its extension now, it used the cached copy of libmysqlclient.so.18 from mariadb.
so I removed all the unused dpkg configs
sudo dpkg --purgeCOLUMNS=300 dpkg -l "" | egrep "^rc" | cut -d\ -f3
CAUTION: it can remove all the unused package, for only mariadb related files you can do
sudo dpkg --purgeCOLUMNS=300 dpkg -l "maria" | egrep "^rc" | cut -d\ -f3
Also removed postgresql for the next clean installation overriding any traces of compiled libmysqlclient if any.
then removed any apt-repo related to mariadb from /etc/apt/sources.list followed by sudo apt-get update.
then apt-get autoremove and apt-get clean to clean everything.
then sudo apt-get install -y postgresql-9.5 postgresql-9.5-postgis-2.2 postgresql-9.5-pgrouting postgresql-contrib-9.5
but i must say mariadb V10.2 still clashes with other installations and system libraries like it clashed in prior versions for libmysqlclient.so
When I try to install mysql-server, an error comes like:
dpkg: error processing package mysql-server (--configure):
dependency problems - leaving unconfigured
Errors were encountered while processing:
mysql-server-5.7
mysql-server
E: Sub-process /usr/bin/dpkg returned an error code (1)
What does it mean. Any ideas?
dpkg returning an error code 1 doesn't mean anything specific but it usually has to do with dependency issues. In your case, you tried to install two versions/instances of the same package i.e. mysql-server and mysql-server-5.7. So do the following to remove any redundant dependency issues and install a functioning mysql package
sudo apt-get clean
sudo apt-get purge mysql*
sudo apt-get update
sudo apt-get install -f
sudo apt-get install mysql-server-5.7
sudo apt-get dist-upgrade
this should fix the problem at hand. But in the future, have care about the package names you add after sudo apt-get install since the wrong list of package names - for example redundant entries in the list - results in failure to install either of the packages or worse - you might even find yourself wading through the hellish depths of #DEPENDENCY-HELL
All of the answers I've been able to find for this question have been of the form "purge your Mysql install and re-install it." But in my case, I already have a working/active Mysql install. For me, the reason why dpkg --configure -a fails is because Mysql is already installed. Why dpkg thinks that the postinstall script needs to be run for my already-installed-and-upgraded Mysql I may never know, but it does.
After considerable time scouring for answers, I found a solution that should work if there are others who already have a working Mysql 5.7 and just want to get past this bogus postinstall script. You can edit the postinstall script directly as (on Ubuntu):
sudo vi /var/lib/dpkg/info/mysql-server-5.7.postinst
And then, on the second line, just add exit 0 and then run dpkg again and you should get something like:
$ sudo dpkg --configure -a
Setting up mysql-server-5.7 (5.7.28-0ubuntu0.18.04.4) ...
You definitely would not want to follow these instructions if your Mysql installation had not previously completed (there's a reason that the postinstall script insists on running). But for those who might end up with dpkg in a wonky state, as I have, the above can save you a lot of time purging and reinstalling an already-working version of Mysql.
This should help
sudo apt-get purge mysql*
sudo apt-get autoremove
sudo apt-get autoclean
sudo apt-get dist-upgrade
And now reinstall mysql
sudo apt-get install mysql-server
If you're on a VPS or similar, your error may be due to lack of RAM.
Running apt-upgrade seems to require some RAM, so it may force-close mysql, hence the problem to recover from the error.
Try:
1) Stop mysql manually before any apt-upgrade
sudo /etc/init.d/mysql stop
2) Fix:
sudo dpkg --configure mysql-server-X.X
(if version not known, use just mysql-server to find out (will not fix error)
3) Check:
sudo apt-get upgrade
Start mysql manually if it wasn't started by apt.
I had a similar issue. This is how I fixed mine.
Restart MySQL service sudo service mysql restart
Then fix broken installations sudo apt install -f
My answer from askubuntu.
New Answer
kill the musql deamon and purging helps
sudo pkill mysqld # kill
sudo apt-get purge mysql-server-5.7 # Or whatever you are trying to purge.
Thanks, #endrias for the suggestion.
Old Answer
None of the apt methods worked for me, try this:
Find locking process
$ ps -eaf
root 7316 1 0 00:19 ? 00:00:00 /usr/bin/dpkg --status-fd 35 --configure --pending
root 7808 7316 0 00:19 ? 00:00:00 /usr/bin/perl -w /usr/share/debconf/frontend /var/lib/dpkg/info/mysql-se
root 7817 7808 0 00:19 ? 00:00:00 /bin/bash /var/lib/dpkg/info/mysql-server-5.7.postinst configure
mysql 7973 7817 0 00:20 ? 00:00:00 mysqld --user=mysql --init-file=/var/lib/mysql-files/tmp.iNyY06ty0K --so
Kill it
do sudo kill -9 7973, basically the mysql one.
Now purge
sudo apt-get purge mysql-server-5.7 # Or whatever you are trying to purge.
i face same error due to problem in my upgrade from ubuntu 18.04 to ubuntu 20.04 , what i did is get mariadb instead also make sure when you do pruge mysql that if asked you to remove dbs in the dir
tell it not to delete the dbs so you will have your old databases with no data loss
what i did was this cmds
sudo apt-get purge mysql*
sudo apt-get autoremove
sudo apt-get autoclean
sudo apt-get dist-upgrade
sudo apt-get install mariadb-server
I tried almost every possible way but nothing was working for me. Then I found the problem that I was facing was due to less available ram. You can check your current ram status by free -h (in my case available was less than 1 GB). To clear ram restart your device. Then type following commands
sudo apt-get purge mysql*
sudo apt-get autoremove
sudo apt-get autoclean
sudo apt-get dist-upgrade
then again install mysql-server by
sudo apt-get install mysql-server
try this solution using aptitude this will replace all the file corrupted.
This is work on my 18.04
cr. https://www.digitalocean.com/community/questions/mysql-installation-error-dpkg-error-processing-package-mysql-server-5-5-configure?answer=61604
In my case I had to run:
systemctl stop mysql.service
to stop MySQL before being able to install mysql without errors using:
sudo apt-get install mysql-server
To solve the dependency issue, try:
sudo apt-get purge
sudo apt-get clean
sudo apt-get check
And reinstall the package again by: sudo apt-get install mysql-server.
Source: Thread: Dpkg: Dependency problems - leaving unconfigured.
Other commands to try:
sudo apt-get install -f
sudo apt-get autoremove
sudo dpkg --configure -a
Related: How can I Resolve dpkg dependency? at Ask Ubuntu.
The problem can be much simpler (in my case) I had a missconfigured value in my configuration file [my.cnf] which lead to the error.
After cleaning up my.cnf mysql-server was restarted successfully
If you are working on Debian 10, you need to first install GNUPG:
sudo apt-get install gnupg
That's all; now you can try dpkg again.
Also pay attention to the terminal you are using, if it is ZSH many uninstall commands will not work like: sudo apt-get purge mysql* and the reinstallation process will fail, to fix this it is simple type in your terminal the word bash so that the terminal used is Bash, run the sudo apt-get purge mysql* command again and also the following commands below to confirm that you removed everything.
sudo apt-get remove mysql-server mysql-client mysql-common
sudo apt-get autoremove
sudo apt-get autoclean
sudo rm -rf /var/lib/mysql
sudo rm -rf /etc/mysql
Finally, run mysql --version to make sure there is no version on your machine and you can try installing again.
I came across the yes Unix binary, which is incredibly stupid: it just endlessly types y (try it, you can just run yes in your terminal)
so the following just works (I used this in a dockerfile)
yes | apt-get install mysql-community-server
I had another mysql process running in background.
(ckeck if your lampp mysql server is on, Then turn it off.)
then try
sudo apt dist-upgrade
if lammp mysql is not working then,
check this command,
ps -eaf
and then look for mysql process and kill it by it's port number
sudo kill -9
I was in the same situation. After completely removing MySQL, I reinstalled it, killed the PID using port 3306, and reinstalled MySQL again. It's working now.
I tried everything and I am still unable to start the MySQL service. The error is as below:
[root#localhost ~]# service mysql.server start Starting MySQL.....
ERROR! The server quit without updating PID file (/var/lib/mysql/localhost.localdomain.pid).
[root#localhost ~]# service mysql start Starting MySQL....
ERROR! The server quit without updating PID file (/var/lib/mysql/localhost.localdomain.pid).
Things I tried:
Removing the .err file and restarting, no use. Creating a .sock file and a .pid file as the above error mentions, still no use. Almost tried all the steps in most of the forums, still nothing.
I tried all the config files, nothing seems to resolve my issue.
Try the next steps:
First remove MySQL:
sudo apt-get remove --purge mysql-server mysql-client mysql-common
sudo apt-get autoremove
sudo apt-get autoclean
Then reinstall:
sudo apt-get update
sudo apt-get install mysql-server
sudo mysql_install_db
sudo /usr/bin/mysql_secure_installation
After these steps mysql process should be up and running. Anyway, if this is not happening ( you can verify by typing sudo service mysql status ) just try:
sudo service mysql start or sudo /etc/init.d/mysql start
I strongly reccommend to post your log files (/var/log/syslog) for mysql if you get any problems, so that we can advice you properly.
If you're still getting the same error, please check for svs answer from this SO question
I somehow have messed up my MySQL on my Ubuntu server and cannot fix it. I have tried every single combination of apt-get remove --purge mysql-server, apt-get autoremove, apt-get purge, Googled for hours and nothing.
I have literally given up. Every time I try to reinstall I get error. I've had enough. I want to remove every single file associated with MySQL on my server.
I get this error every time I try to reinstall which seems to be common but not one "fix" has worked for me. I need to clean my system of everything MySQL.
Unable to set password for the MySQL "root" user
An error occurred while setting the password for the MySQL administrative user. This may have happened because the account already has a password, or
because of a communication problem with the MySQL server.
You should check the account's password after the package installation.
Please read the /usr/share/doc/mysql-server-5.5/README.Debian file for more information.
Please can someone give me a set of command to purge this ungodly database from my system before I do a fresh install of the server.
Setting up mysql-server-5.5 (5.5.38-0ubuntu0.14.04.1) ...
140811 10:56:44 [Warning] Using unique option prefix key_buffer instead of key_buffer_size is deprecated and will be removed in a future release. Please use the full name instead.
start: Job failed to start
invoke-rc.d: initscript mysql, action "start" failed.
dpkg: error processing package mysql-server-5.5 (--configure):
subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of mysql-server:
mysql-server depends on mysql-server-5.5; however:
Package mysql-server-5.5 is not configured yet.
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.
Processing triggers for libc-bin (2.19-0ubuntu6.1) ...
Processing triggers for ureadahead (0.100.0-16) ...
Errors were encountered while processing:
mysql-server-5.5
mysql-server
E: Sub-process /usr/bin/dpkg returned an error code (1)
I have literally tried everything. Every single mysql file is removed and it still will not install properly.
To completly remove Mysql from Ubuntu :
sudo apt-get remove --purge mysql-server mysql-client mysql-common
sudo apt-get autoremove
sudo apt-get autoclean
after this, if you are having issues with re installing, Try to remove Mysql files in :
sudo rm -rf /var/lib/mysql
I experienced a similar issue on Ubuntu 14.04 LTS after a MySQL update.
I started getting error: "Fatal error: Can't open and lock privilege tables: Incorrect file format 'user'" in /var/log/mysql/error.log
MySQL could not start.
I resolved it by removing the following directory: /var/lib/mysql/mysql
sudo rm -rf /var/lib/mysql/mysql
This leaves your other DB related files in place, only removing the mysql related files.
After running these:
sudo apt-get remove --purge mysql-server mysql-client mysql-common
sudo apt-get autoremove
sudo apt-get autoclean
Then reinstalling mysql:
sudo apt-get install mysql-server
It worked perfectly.
Different solution for those still having issues. Hopefully I can help those trying to reinstall Mysql. Note, It's a seek and destroy mission. So be weary. Assuming your root:
apt-get purge mysql*
apt-get purge dbconfig-common #the screen used for mysql password
find / -name *mysql* #delete any traces of mysql
#insert apt-get cleanups, autoremove,updates etc.
Originally, something leftover was interfering with my startup of mysqlserver-5.5. These commands ended up resolving the issue for myself.
The following works:
sudo apt-get --purge remove mysql-client mysql-server mysql-common
sudo apt-get autoremove
Use apt to uninstall and remove all MySQL packages:
$ sudo apt-get remove --purge mysql-server mysql-client mysql-common -y
$ sudo apt-get autoremove -y
$ sudo apt-get autoclean
Remove the MySQL folder:
$ rm -rf /etc/mysql
Delete all MySQL files on your server:
$ sudo find / -iname 'mysql*' -exec rm -rf {} \;
Your system should no longer contain default MySQL related files.
sudo apt-get remove --purge mysql*
Remove the MySQL packages fully from the target system.
sudo apt-get purge mysql*
Remove all mysql related configuration files.
sudo apt-get autoremove
Clean up unused dependencies using autoremove command.
sudo apt-get autoclean
To clear all local repository in the target system.
sudo apt-get remove dbconfig-mysql
If you also want to delete your local/config files for dbconfig-mysql then this will work.
This is what saved me. Apparently the depackager tries to put things in the wrong tmp folder.
https://askubuntu.com/a/248860
Remove /etc/my.cnf file and retry the installation, it worked for me for exactly same problem. :-)
remove mysql :
sudo apt -y purge mysql*
sudo apt -y autoremove
sudo rm -rf /etc/mysql
sudo rm -rf /var/lib/mysql*
Restart instance :
sudo shutdown -r now
I just had this same issue. It turns out for me, mysql was already installed and working. I just didn't know how to check.
$ ps aux | grep mysql
This will show you if mysql is already running. If it is it should return something like this:
mysql 24294 0.1 1.3 550012 52784 ? Ssl 15:16 0:06 /usr/sbin/mysqld
gwang 27451 0.0 0.0 15940 924 pts/3 S+ 16:34 0:00 grep --color=auto mysql
Because doing this:-
sudo apt-get remove --purge zoneminder
sudo apt-get remove --purge mysql-server mysql-client mysql-common
sudo rm -rf /var/lib/mysql
sudo apt-get remove --purge apache2*
sudo apt-get clean
sudo apt-get update
sudo apt-get upgrade
sudo rm -r /var/www/*
sudo rm -r /etc/apache2/*
sudo rmdir /var/www
sudo rmdir /etc/apache2
sudo rm -r /opt/zm
sudo rm /etc/apache2/conf.d/zoneminder.conf
sudo dpkg --configure -a
reboot hardware
sudo apt-get install zoneminder
produces this error:-
* Starting web server apache2 apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName
[ OK ]
Setting up libapache2-mod-php5 (5.4.6-1ubuntu1.4) ...
Creating config file /etc/php5/apache2/php.ini with new version
* Restarting web server apache2 apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName
... waiting apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName
[ OK ]
Setting up apache2 (2.2.22-6ubuntu2.3) ...
Setting up zoneminder (1.25.0-1.1ubuntu1) ...
Starting ZoneMinder: Can't open config file '/opt/zm/etc/zm.conf': No such file or directory at /usr/local/share/perl/5.14.2/ZoneMinder/Config.pm line 100
BEGIN failed--compilation aborted at /usr/local/share/perl/5.14.2/ZoneMinder/Config.pm line 100.
Compilation failed in require at /usr/local/share/perl/5.14.2/ZoneMinder.pm line 33.
BEGIN failed--compilation aborted at /usr/local/share/perl/5.14.2/ZoneMinder.pm line 33.
Compilation failed in require at /usr/bin/zmpkg.pl line 37.
BEGIN failed--compilation aborted at /usr/bin/zmpkg.pl line 37.
failure
invoke-rc.d: initscript zoneminder, action "start" failed.
dpkg: error processing zoneminder (--configure):
subprocess installed post-installation script returned error exit status 2
Processing triggers for libc-bin ...
ldconfig deferred processing now taking place
Processing triggers for ureadahead ...
Errors were encountered while processing:
zoneminder
E: Sub-process /usr/bin/dpkg returned an error code (1)
Originally zoneminder installed "first time" Ok on this 32bit "mint 14" machine using just the single apt-get install zoneminder command from here:-
http://www.tuxradar.com/content/build-your-own-surveillance-zoneminder
but when I tried to upgrade a couple of days ago to version 1.26.2 by compiling manually, I messed it up.
How can I remove zoneminder completely so that the original "clean" install works again?
No need to do any of the above, from this link:-
http://pjpramod.blogspot.co.uk/2010/01/starting-zoneminder-cant-open-config.html
So I did this:-
sudo rm -r /usr/local/share/perl/5.14.2/*
and then the install completes OK - but the popups no longer work (don't open at all or open in the same window), so don't do that.
Finally I abandoned re-installing the pre-built package (1.25.0 - or was it 1.25.2?) and downloaded the 1.26.3 tar file and unpacked it and cd'ed into it...
...and ./configure was missing...
...but if you run bootstrap.sh
./bootstrap.sh
then that (and some other things) magically appear.
Then did this:
sudo ./configure --prefix=/opt/zm --with-mysql=/usr --with-ffmpeg=/usr --with-webuser=www-data --with-webgroup=www-data --disable-debug --disable-crashtrace --enable-mmap=yes --with-webdir=/var/www --with-cgidir=/usr/lib/cgi-bin ZM_SSL_LIB=openssl
and it configured OK.
then this
sudo make
followed by this:-
sudo make install
and it installed OK but when I tried to run zoneminder I got database errors so did something like this to delete zm:-
mysql -uroot -pyourPassWord
mysql > drop database zm;
mysql > quit;
and this to recreate it (I know nothing about databases, this is monkey-see, monkey-do from here):-
mysql -u root -pyourPassWord
>create database zm;
>exit
mysql -u root -pyourPassWord zm < db/zm_create.sql
mysql -u root -pyourPassWord zm
>grant select,insert,update,delete on zm.* to 'zmuser'#localhost identified by 'zmpass';
>quit
mysqladmin -u root -pyourPassWord reload
and it then worked OK (I am running zm like this:-)
sudo /etc/init.d/zm start
And while trying to figure out what link between apache and zm did (and how apache works etc) I discovered that you only need to do this:-
localhost/index.php
to bring up zoneminder, working OK, in my browser - Yee Haw! Not bad for two day's effort and one divorce.
But I could only get zmpkg.pl to work by doing this:-
sudo /opt/zm/bin/zmpkg.pl
and not this:-
sudo zmpkg.pl
Because, I learn, that that $PATH is defined "globally" for sudo and therefore my adding /opt/zm/bin in my .bashrc file had no effect so then, rather than put zmpkg.pl into /usr/local/sbin (or one of those paths in "global" $PATH) I insert a link instead like this:-
sudo ln -s /opt/zm/bin/zmpkg.pl /usr/local/sbin/zmpkg.pl
and it works! so now e.g.
sudo zmpkg.pl status
works again.
Does anyone know how all this should be done? E.g. so that
localhost/zm
works again?
Update on 20th December 2013: I just upgraded to verion 1.26.5 successfully on this mint 14 system by repeating some of the above instructions i.e.
1) Stop zoneminder.
2) Download version 1.26.5
3) Ran the ./bootstrap.sh script (as mentioned above).
4) Ran the ./configure... script (as mentioned above).
5) Ran the make (as mentioned above - but got errors)...
So I read the README and copied and pasted this from it (line 24):
root#host:~# aptitude install -y apache2 mysql-server php5 php5-mysql build-essential libmysqlclient-dev libssl-dev libbz2-dev libpcre3-dev libdbi-perl libarchive-zip-perl libdate-manip-perl libdevice-serialport-perl libmime-perl libpcre3 libwww-perl libdbd-mysql-perl libsys-mmap-perl yasm subversion automake autoconf libjpeg8-dev libjpeg8 apache2-mpm-prefork libapache2-mod-php5 php5-cli libphp-serialization-perl libgnutls-dev libjpeg8-dev libavcodec-dev libavformat-dev libswscale-dev libavutil-dev libv4l-dev libtool ffmpeg libnetpbm10-dev libavdevice-dev libmime-lite-perl dh-autoreconf dpatch;
and then did a
sudo make clean
and then repeated 4) and 5) above and it compiled OK.
6) Did the "sudo make install" OK (i.e. on top of the old version I guess).
7) Then did all the rest of the "as mentioned above" instructions to delete zm from the database (after trying to zm unsuccessfully) and re-inserted it and then it started OK via the "zmpkg.pl start" script as version 1.26.5
8) As before I then had to manually reset up all cameras and password and users and zones but at least it all worked "first time"
I would suggest that you have to uninstall all the packages which include LAMP(apache, mysql, php) and zoneminder.
use this command to remove these packages.
sudo aptitude purge <pkg-name>
Then you have to go to zoneminder manual installation directory (say /usr/src). and use command
sudo make clean
sudp updatedb
After this you can start normal install procedure.