When Upgrade from rails 3.2.x to rails 4.0.0, we found error like : Error running Development: Rails 3.x launcher script was found instead of Rails 4.x one.
This is because new project structure of rails 4.0.0.
To solve this you must copy 'bin' from you'r rails to you'r root project.
To repair disk error on Centos 7. Use a Gparted disk that can be uploded in .... 1. Boot through gparted. 2. Go to the terminal 3. Check disk mapper by typing> fdisk -l For fdisk results 4. typed> sudo xfs_repair -L / dev / mapper / centos-home 5. Restart Centos 7 Hope can help readers of this blog
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