我想在我的系统上测试 Ubuntu Advantage/Pro 选项：
\n~$ \xe2\x96\xb6 lsb_release -a\nNo LSB modules are available.\nDistributor ID: Ubuntu\nDescription: Ubuntu 22.04.1 LTS\nRelease: 22.04\nCodename: jammy\n~$ \xe2\x96\xb6 sudo pro status\nSERVICE ENTITLED STATUS DESCRIPTION\nesm-apps yes enabled Expanded Security Maintenance for Applications\nesm-infra yes enabled Expanded Security Maintenance for Infrastructure\nlivepatch yes enabled Canonical Livepatch service\nrealtime-kernel yes disabled Ubuntu kernel with PREEMPT_RT patches integrated\n\nEnable services with: pro enable <service>\n\n Account: xyz@zyx.com\nSubscription: Ubuntu Pro - free personal subscription\n~$ \xe2\x96\xb6 sudo pro enable realtime-kernel\nOne moment, checking your subscription first\nReal-time kernel cannot be …