before i start upgrading i would like to know if it is possible to upgrade from 1.7.5 to 1.9.0?
Yes it is, you can switch to v1.9.x and run ./nodebb upgrade
Invalid CSRF token on 0.7.1
Error when upgrading from 1.4.5 to 1.5.0
Start fails with UnhandledPromiseRejectionWarning on plain 1.3.0 and 1.4.0
Crash after 0.6.4 -> 0.7.0
Trouble updating from 0.7.2 to 0.7.3
How to update mongo data from 0.5.0 to 0.6.1?
Errors while installing new 0.9.0 to new CentOS 7 VM
git fetch fails when trying to upgrade 0.9.3 -> 0.9.4