When Ubuntu runs many programs and monitors too many files, it may prompt: qinotifyfilesystemwatcherengine:: addpaths: inotify when running other programs_ add_ Watch failed: there is no space on the device

This involves the concept of Linux file system event monitoring framework

terms of settlement:

Add maximum number of monitoring files

Command settings: sudo sysctl fs.inotify.max_ user_ watches=524288

Effective: sudo sysctl – P

This method can only be solved temporarily. It will recover after restart. Enter the above two lines of commands every time you encounter this problem