Could not find gem 'mysql2 (>= 0) ruby' in the gems available on this machine
62663
How to install MySQL gem on Mac OS X
40909
How to upgrade to MySQL 8.0?
78005
Gem.source_index is deprecated, use Specification. Should I re-install Gem or Rails?
114374
Impossible to Install PG gem on my mac with Mavericks
150954
Heroku deployment failed because of sqlite3 gem error
1705
Install Apache, Php, Mysql latest versions not available via apt
157472
How to install PostgreSQL 9.2 with PostGIS 2.0 on Ubuntu 11.10 (or higher)?
53393
no such file to load -- rubygems (LoadError)
74209
How do I install MS SQL for ubuntu 18.04 LTS?
117217
How to install MySQL 5.6?
15900
How to add MySQL to $PATH variable to resolve "mysql: command not found"?
17091
How can I fix MySQL error #1064?
148781
How to fix: "No suitable driver found for jdbc:mysql://localhost/dbname" error when using pools?
13527
Is it possible to install MySQL Server 5.7 on Ubuntu 19.10?
89734
Failing installing pg gem, "mkmf.rb can't find header files for ruby" (Mac OSX 10.6.5)
49416
dpkg: error processing package mysql-server (--configure)
19243
Solving "MySQL server has gone away", mysql error 2006