我正在尝试在 22.04 上安装 Thinkpad Power Manager GUI
我正在遵循本指南：
https://www.linuxuprising.com/2018/11/install-tlpui-in-ubuntu-or-linux-mint.html
但是当我这样做时：
sudo add-apt-repository ppa:linuxuprising/apps
我得到：
Err:7 https://ppa.launchpadcontent.net/linuxuprising/apps/ubuntu jammy Release
404 Not Found [IP: 2620:2d:4000:1::3e 443]
Reading package lists... Done
E: The repository 'https://ppa.launchpadcontent.net/linuxuprising/apps/ubuntu jammy Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
安装电源管理器 gui 的最简单方法是什么？