当我登录到我的Ubuntu时,我收到以下消息,告诉我8个包是可升级的:
Welcome to Ubuntu 16.04.3 LTS (GNU/Linux 4.4.0-112-generic x86_64)
* Documentation: https://help.ubuntu.com
* Management: https://landscape.canonical.com
* Support: https://ubuntu.com/advantage
8 packages can be updated.
0 updates are security updates.
Last login: Mon Jan 29 14:55:34 2018 from 172.16.117.1然而,当我发布一个apt list --upgradeable时,我会得到26个包。
$ apt list --upgradeable
Listing... Done
cloud-initramfs-copymods/xenial-updates,xenial-updates 0.27ubuntu1.5 all [upgradable from: 0.27ubuntu1.4]
cloud-initramfs-dyn-netconf/xenial-updates,xenial-updates 0.27ubuntu1.5 all [upgradable from: 0.27ubuntu1.4]
cpp-5/xenial-updates 5.4.0-6ubuntu1~16.04.6 amd64 [upgradable from: 5.4.0-6ubuntu1~16.04.5]
distro-info-data/xenial-updates,xenial-updates 0.28ubuntu0.7 all [upgradable from: 0.28ubuntu0.3]
g++-5/xenial-updates 5.4.0-6ubuntu1~16.04.6 amd64 [upgradable from: 5.4.0-6ubuntu1~16.04.5]
gcc-5/xenial-updates 5.4.0-6ubuntu1~16.04.6 amd64 [upgradable from: 5.4.0-6ubuntu1~16.04.5]
gcc-5-base/xenial-updates 5.4.0-6ubuntu1~16.04.6 amd64 [upgradable from: 5.4.0-6ubuntu1~16.04.5]
libasan2/xenial-updates 5.4.0-6ubuntu1~16.04.6 amd64 [upgradable from: 5.4.0-6ubuntu1~16.04.5]
libatomic1/xenial-updates 5.4.0-6ubuntu1~16.04.6 amd64 [upgradable from: 5.4.0-6ubuntu1~16.04.5]
libcc1-0/xenial-updates 5.4.0-6ubuntu1~16.04.6 amd64 [upgradable from: 5.4.0-6ubuntu1~16.04.5]
libcilkrts5/xenial-updates 5.4.0-6ubuntu1~16.04.6 amd64 [upgradable from: 5.4.0-6ubuntu1~16.04.5]
libgcc-5-dev/xenial-updates 5.4.0-6ubuntu1~16.04.6 amd64 [upgradable from: 5.4.0-6ubuntu1~16.04.5]
libgnutls-openssl27/xenial-updates 3.4.10-4ubuntu1.4 amd64 [upgradable from: 3.4.10-4ubuntu1.3]
libgnutls30/xenial-updates 3.4.10-4ubuntu1.4 amd64 [upgradable from: 3.4.10-4ubuntu1.3]
libgomp1/xenial-updates 5.4.0-6ubuntu1~16.04.6 amd64 [upgradable from: 5.4.0-6ubuntu1~16.04.5]
libitm1/xenial-updates 5.4.0-6ubuntu1~16.04.6 amd64 [upgradable from: 5.4.0-6ubuntu1~16.04.5]
liblsan0/xenial-updates 5.4.0-6ubuntu1~16.04.6 amd64 [upgradable from: 5.4.0-6ubuntu1~16.04.5]
libmpx0/xenial-updates 5.4.0-6ubuntu1~16.04.6 amd64 [upgradable from: 5.4.0-6ubuntu1~16.04.5]
libquadmath0/xenial-updates 5.4.0-6ubuntu1~16.04.6 amd64 [upgradable from: 5.4.0-6ubuntu1~16.04.5]
libseccomp2/xenial-updates 2.3.1-2.1ubuntu2~16.04.1 amd64 [upgradable from: 2.2.3-3ubuntu3]
libstdc++-5-dev/xenial-updates 5.4.0-6ubuntu1~16.04.6 amd64 [upgradable from: 5.4.0-6ubuntu1~16.04.5]
libstdc++6/xenial-updates 5.4.0-6ubuntu1~16.04.6 amd64 [upgradable from: 5.4.0-6ubuntu1~16.04.5]
libtsan0/xenial-updates 5.4.0-6ubuntu1~16.04.6 amd64 [upgradable from: 5.4.0-6ubuntu1~16.04.5]
libubsan0/xenial-updates 5.4.0-6ubuntu1~16.04.6 amd64 [upgradable from: 5.4.0-6ubuntu1~16.04.5]
python3-update-manager/xenial-updates,xenial-updates 1:16.04.10 all [upgradable from: 1:16.04.7]
update-manager-core/xenial-updates,xenial-updates 1:16.04.10 all [upgradable from: 1:16.04.7]为什么错配?
发布于 2018-01-30 18:04:33
他们在不同的时间跑步。
项目在任何时候都被上传到存储库中(而不是每天一次),所以如果您比较--在一天的不同时间可以升级--您将得到越来越多的结果。
Apt在启动时不检查包--这将不必要地延迟启动。登录消息(日motd消息的一部分)是在apt.的日常运行过程中生成的(比如昨天)。将生成文本并保存以供下一次登录。这意味着提醒,缺乏准确性是一个众所周知的小问题。
https://askubuntu.com/questions/1001429
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