To move LVE and packages limits, just move the /etc/container/ve.cfg file to a new server, and then run:
lvectl apply all
If any modifications were made to CageFS - move the /etc/cagefs/cagefs.mp file, and/or /etc/cagefs/conf.d directory to a new server and run:
cagefsctl --force-update && cagefsctl--remount-all
For PHP-Selector - move the /etc/cl.selector directory and run:
cagefsctl --setup-cl-selector
Basically, a custom PHP settings migration plan is next:
restore user home dirs and remove all cagefs\selector directories with
rm -rf /var/cagefs/*/*/etc/cl.selector
rm -rf /var/cagefs/*/*/etc/cl.php.d
regenerate them with
cagefsctl --force-update-etc
Done!