自从运行 Ubuntu 的“jammy”升级以来，我的家用 Ubuntu 服务器似乎有点不稳定。我刚刚尝试了 apt 更新和升级，但似乎没有完成。我以前从未见过这种回复。任何反馈都值得赞赏。这是我的终端输出：
61 packages can be upgraded. Run 'apt list --upgradable' to see them.
ron@server:~$ sudo apt upgrade
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
bluedevil breeze breeze-cursor-theme drkonqi gjs gnome-remote-desktop
kde-config-sddm kde-config-updates kde-style-breeze kde-style-oxygen-qt5
kinfocenter kscreen ksystemstats kwin-common kwin-data kwin-style-breeze
kwin-x11 layer-shell-qt libapache2-mod-php7.4 libapache2-mod-php8.1
libcolorcorrect5 libgjs0g libkf5sysguard-data libkfontinst5 libkfontinstui5
libksgrd9 libksysguardformatter1 libksysguardsensorfaces1
libksysguardsensors1 libksysguardsystemstats1 libkwaylandserver5
libkwineffects13 libkwinglutils13 libkwinxrenderutils13 libkworkspace5-5
liblayershellqtinterface5 libnotificationmanager1 liboxygenstyle5-5
liboxygenstyleconfig5-5 libplasma-geolocation-interface5 libprocesscore9
libprocessui9 libtaskmanager6 libweather-ion7 milou oxygen-sounds php8.1-cli
php8.1-common php8.1-mysql php8.1-opcache php8.1-readline plasma-desktop
plasma-desktop-data plasma-discover plasma-discover-backend-fwupd
plasma-discover-backend-snap plasma-discover-common plasma-pa
plasma-workspace qml-module-org-kde-ksysguard systemsettings
0 upgraded, 0 newly installed, 0 to remove and 61 not upgraded.
按照要求：
ron@server:~$ apt-cache policy bluedevil
bluedevil:
Installed: 4:5.24.4-0ubuntu1
Candidate: 4:5.24.6-0ubuntu0.1
Version table:
4:5.24.6-0ubuntu0.1 500 (phased 20%)
500 http://us.archive.ubuntu.com/ubuntu jammy-updates/universe amd64 Packages
*** 4:5.24.4-0ubuntu1 500
500 http://us.archive.ubuntu.com/ubuntu jammy/universe amd64 Packages
100 /var/lib/dpkg/status