RamaKavanan

One day I switched  to guest and returned back to the user account, The password box has the label information like ' switch to greeter' . When I looked at this I was shell shocked. After deep analysis I found that was OS issue. The issue related detail information given in this link      https://ubuntuforums.org/showthread.php?t=2363654  . This link helped me back to normal.  Solution :  LightDM  is the root cause of this issue. So we have to restart / reinstall the LightDM through the command line.  Before go to solution, the small introduction  of lightdm given below, What is LightDM? LightDM is the display manager running in Ubuntu up to version 16.04 LTS. While it has been replaced by GDM in later Ubuntu releases, LightDM is still used by default in the latest release of several Ubuntu flavors.  LightDM starts the X servers, user sessions and greeter (login screen). The default greeter in Ubuntu up to ...

How to create single mysql server run on multiple port in a machine Description :   here , we are going to discuss on how can we run a multiple mysql instance on different port using single mysql version in same machine. If you not have mysql server in your local machine just follow step 1 else you can follow from step 2. Step 1: Installing MYSQL Server:    We need to install the mysql server in linux or windows. The below command to use to install in linux machine. 1. sudo apt - get install mysql - server Using this we can install latest version Mysql Server in linux machine. During installation process it prompt the root user password. Step 2:   Setting up mysqld_multi   : In order to manage two instances effectively in same machine, we need to use   mysqld_multi  . use this link to read about mysqld_multi . The mysqld_multi used to mange the mysql different group in the same machine. Now, we are going to disc...