当我在文件属性定义列表中看到以下内容时,我正在阅读chattr
Linux 机器 ( kali4-amd64
)上的手册:
A directory with the 'P' attribute set will enforce a hierarchical
structure for project id's. This means that files and directory created in
the directory will inherit the project id of the directory, rename
operations are constrained so when a file or directory is moved into
another directory, that the project id's much match. In addition, a hard
link to file can only be created when the project id for the file and …
Run Code Online (Sandbox Code Playgroud) 我正在运行 apache2.4 Web 服务器,并注意到当我运行systemctl status apache2
或运行时service apache2 status
,它说它使用的是 4.2GiB 的 RAM,这对于我拥有的 RAM 量来说不是问题,但我很困惑,因为top
并且htop
两者都显示仅使用了 500MiB 的 RAM,更不用说systemctl
单独使用 apache2 的报告了。为什么会这样,哪个是正确的?
操作系统信息,如果需要:
OS: Kali GNU/Linux Rolling x86_64
Kernel: 4.19.0-kali3-amd64
Run Code Online (Sandbox Code Playgroud)