open_basedir restriction in effect – How to resolve access restriction error in Odin Plesk Linux servers
Occasionally website owners report the error “Warning: realpath() [function.realpath]: open_basedir restriction in effect. File(/path/to/file) is not within the allowed path(s)” displayed for their websites in Odin Plesk servers.
It usually happens after installing an application or a site upgrade, and causes the website to crash with this error. (more…)