目前我玩得很开心apt-get- 不好的是,这是我自己的错。我已经启用了这些testing包/etc/apt/sources.list来安装某个包。我告诉我的系统做apt-get dist-upgrade。一切正常,但现在我正试图恢复stable更新 - 但我失败了......
尝试执行该操作时apt-get dist-upgrade,我得到以下信息:
The following packages will be REMOVED:
linux-image-3.10-3-amd64
The following NEW packages will be installed:
libcgi-fast-perl libfcgi-perl libyaml-syck-perl
The following packages will be DOWNGRADED:
initramfs-tools libdate-manip-perl munin munin-common
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好吧,没关系,但是当我尝试这样做时,我会收到一条粗体友好红色字母的警告:
You are running a kernel (version 3.10-3-amd64) and attempting to remove the same version.
...
It is highly recommended to abort the kernel removal unless you are prepared to fix the system after …Run Code Online (Sandbox Code Playgroud) 有一段时间,我在我的 Debian 网络服务器(VPS/虚拟机)上遇到了 RAM 短缺的问题。如果它们经常发生,这不会不寻常。但他们没有。这是穆宁的图表:

为了解决这些谜语,我使用atop. 这是 7:00AM 和 9:00AM 的两个快照 - 在 RAM 短缺期间和之后(使用该-m选项查看内存相关信息):
ATOP - <snip> 2014/09/10 07:00:02 ------ 10m0s elapsed
<snip>
MEM | tot 2.0G | free 79.1M | cache 102.4M | dirty 0.1M | buff 53.2M | slab 90.8M | | |
SWP | tot 2.0G | free 2.0G | | | | | vmcom 748.1M | vmlim 3.0G |
DSK | sda | busy 1% | read 917 | write 1695 …Run Code Online (Sandbox Code Playgroud)