In my Ruby project, when I try bundle install, I got:
Your Ruby version is 2.7.0, but your Gemfile specified 2.6.6
I don't know how to solve it. I am using Windows Subsystem for Linux (WSL) U...
I have installed mysql-server on Ubuntu 20.04 then I tried to sign into mysql-server using sudo mysql -u root but I have got
Error: Can't connect to local MySQL server through socket '/var/run/mys...
Simply, mysql-server isn't running, you will have to run it first using:
sudo service mysql start
then try to sign into mysql-server using:
sudo mysql
then you are good to go.
To fix this:
First, run cat command on the file listed in the message. e.g:
cat /home/XXX/ruby/YYY/tmp/pids/server.pid
cat command will return a 5 digit number. e.g
12345
12345 is the PID ...
