Hola,
got phpswithcher quick & dirty running on bullseye.
comment out /var/www/imscp/gui/plugins/PhpSwitcher/backend/PhpSwitcher.pm +1018
- # $rs == 0 or die( $stderr || 'Unknown error' );
/var/www/imscp/gui/plugins/PhpSwitcher/PhpCompiler/php_compiler.pl from line 73
- '7.4' => '7.4.28', # End of life: 06 December 2031
- '8.0' => '8.0.20', # End of life: 06 December 2031
- '8.1' => '8.1.7', # End of life: 06 December 2031
- );
chmod 777 /etc/bind/rndc.key
service named restart
perl /var/www/imscp/gui/plugins/PhpSwitcher/PhpCompiler/php_compiler.pl --register --packaged --packaged-only