I tried everything purge and install many times.
sudo dpkg --configure -a
output
Setting up mysql-server-8.0 [8.0.28-0ubuntu0.20.04.3] ...
Failed to stop mysql.service: Unit mysql.service not loaded.
invoke-rc.d: initscript mysql, action "stop" failed.
Renaming removed key_buffer and myisam-recover options [if present]
mysqld will log errors to /var/log/mysql/error.log
2022-05-03T11:44:20.790604Z 0 [ERROR] [MY-010946] [Server] Failed to start mysqld daemon. Check mysqld error log.
Warning: Unable to start the server.
Failed to preset unit: File mysql.service: Link has been severed
/usr/bin/deb-systemd-helper: error: systemctl preset failed on mysql.service: No such file or directory
Failed to start mysql.service: Unit mysql.service not found.
invoke-rc.d: initscript mysql, action "start" failed.
Unit mysql.service could not be found.
dpkg: error processing package mysql-server-8.0 [--configure]:
installed mysql-server-8.0 package post-installation script subprocess returned error exit status 1
I looked now at above mentioned logs
[ERROR] [MY-012930] [InnoDB] Plugin initialization aborted with error Generic error.
2022-05-03T11:36:53.787528Z 1 [ERROR] [MY-011013] [Server] Failed to initialize DD Storage Engine.
2022-05-03T11:36:53.788000Z 0 [ERROR] [MY-010020] [Server] Data Dictionary initialization failed.
2022-05-03T11:36:53.788246Z 0 [ERROR] [MY-010119] [Server] Aborting
2022-05-03T11:36:53.789640Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete [mysqld 8.0.28-0ubuntu0.20.04.3] [Ubuntu].
I am adding my /var/lib/mysql
var/lib/mysql# ls -la
total 119220
drwx------ 5 mysql mysql 4096 мај 3 20:42 .
drwxr-xr-x 77 root root 4096 мај 3 13:36 ..
-rw-rw---- 1 mysql mysql 16384 мај 3 13:31 aria_log.00000001
-rw-rw---- 1 mysql mysql 52 мај 3 13:31 aria_log_control
-rw-r----- 1 mysql mysql 56 мај 3 13:36 auto.cnf
-rw-r----- 1 mysql mysql 0 мај 3 13:36 binlog.index
-rw-r--r-- 1 mysql mysql 0 мај 3 13:58 debian-5.7.flag
-rw-r----- 1 mysql mysql 196608 мај 3 13:36 '#ib_16384_0.dblwr'
-rw-r----- 1 mysql mysql 8585216 мај 3 13:36 '#ib_16384_1.dblwr'
-rw-rw---- 1 mysql mysql 976 мај 3 13:31 ib_buffer_pool
-rw-rw---- 1 mysql mysql 12582912 мај 3 13:31 ibdata1
-rw-rw---- 1 mysql mysql 50331648 мај 3 13:31 ib_logfile0
-rw-rw---- 1 mysql mysql 50331648 мај 3 13:05 ib_logfile1
drwx------ 2 mysql mysql 4096 мај 3 13:05 mysql
-rw-r--r-- 1 mysql mysql 15 мај 3 13:05 mysql_upgrade_info
drwx------ 2 mysql mysql 4096 мај 3 13:05 performance_schema
drwx------ 2 mysql mysql 4096 мај 3 13:05 test
How can I look further into this issue?
After Kill Process Failed To Start Mysqld.Service: Unit Mysqld.Service Not Found. With Code Examples
Through the use of the programming language, we will work together to solve the After Kill Process Failed To Start Mysqld.Service: Unit Mysqld.Service Not Found. puzzle in this lesson. This is demonstrated in the code that follows.
/etc/init.d/mysql stop service mysql stop killall -KILL mysql mysqld_safe mysqld /etc/init.d/mysql start service mysql start
By studying a variety of various examples, we were able to figure out how to fix the After Kill Process Failed To Start Mysqld.Service: Unit Mysqld.Service Not Found..
How do I start Mysqld service?
Windows – Start and Stop Server
- Open 'Run' Window by using Win key + R.
- Type 'services.msc'
- Now search for MySQL service based on the version that is installed.
- Click on 'stop', 'start' or 'restart' the service option.
How do I start Mysqld as root?
To ensure this, run mysqld_safe as root and include the –user option as shown. Otherwise, you should execute the program while logged in as mysql , in which case you can omit the –user option from the command.
What is Mysqld_pre_systemd?
mysqld_pre_systemd [RPM platforms], mysql-system-start [Debian platforms]: Support script for the unit file. This script assists in creating the error log file only if the log location matches a pattern [ /var/log/mysql*.
How do I kill a Mysqld process in Windows?
If you are running windows try this:
- click start button on a keyboard.
- type task manager.
- right click and click run as administrator when the task manager opens.
- click on services then look for MySQL then.
- right click on it then click stop then close task manager and you are done.
Why MySQL service is not starting?
Even with correct ownership, MySQL might fail to start up if there is other security software running on your system that manages application access to various parts of the file system. In this case, reconfigure that software to enable mysqld to access the directories it uses during normal operation.
How do I fix MySQL not running?
How to resolve MySQL service starting and stopping unexpectedly
- Restart the service. Restart the MySQL service by running the following command: mysqld –initialize.
- Reinstall the service.
- Verify the my.
- Verify the Network Service permissions.
- Check for missing default files.
How do I start Mysqld service in Linux?
How to Start, Stop, and Restart MySQL Server in Linux
- To start MySQL server: sudo /etc/init.d/mysqld start.
- To stop MySQL server: sudo /etc/init.d/mysqld stop.
- To restart MySQL server: sudo /etc/init.d/mysqld restart.
What is Mysqld command?
DESCRIPTION. mysqld, also known as MySQL Server, is the main program that does most of the work in a MySQL installation. MySQL Server manages access to the MySQL data directory that contains databases and tables. The data directory is also the default location for other information such as log files and status files.
How do I run as administrator in MySQL?
Simply launch the MySQL Administrator tool on the system hosting the database server, select the User Administration option and select the required user from the list of users in the bottom left hand corner of the window.
How do I check my Systemd service status?
To check a service's status, use the systemctl status service-name command. I like systemd's status because of the detail given. For example, in the above listing, you see the full path to the unit file, the status, the start command, and the latest status changes.