LINUX中的capable

capable()函数来对权限做出检查,检查是否有权对指定的资源进行操作,该函数返回0则代表无权操作。该函数的定义在include/linux/capability.h中,其中包含了与之相对应的权限列表。

 

CAP_DAC_OVERRIDE 
这个能力来推翻在文件和目录上的存取的限制 ( 数据存取控制 或者 DAC).
CAP_NET_ADMIN 
进行网络管理任务的能力 包括那些能够影响网络接口的 .
CAP_SYS_MODULE 
加载或去除内核模块的能力 .
CAP_SYS_RAWIO 
进行 "raw" I/O  操作的能力 例子包括存取设备端口或者直接和 USB  设备通讯 .
CAP_SYS_ADMIN 
一个捕获 - 全部的能力 提供对许多系统管理操作的存取 .
CAP_SYS_TTY_CONFIG 
进行 tty  配置任务的能力 .
### Ollama Linux Installation Package Download For the laboratory server running Ubuntu 18, which does not connect to the external network and considering that LM Studio requires a higher version of Ubuntu such as Ubuntu 20, choosing Ollama with Open WebUI for deployment appears suitable[^1]. To obtain the Ollama installation package for a Linux system like this specific Ubuntu environment: The official repository provided by Ollama contains releases compatible with various systems including Linux. The appropriate package can be downloaded from the GitHub release page at [this link](https://github.com/ollama/ollama/releases/) where one should select the file corresponding to the target architecture (e.g., `amd64`, `arm64`) and operating system requirements[^2]. Since the lab's server cannot access the internet directly, an alternative machine connected to the Internet must first download the required files. Afterward, these files need transferring via USB drive or similar media into the isolated server environment. ```bash wget https://github.com/ollama/ollama/releases/download/vX.Y.Z/ollama-linux-amd64.deb ``` This command line example demonstrates how to use wget on another computer capable of accessing the web to fetch the `.deb` package meant for Debian-based distributions like Ubuntu before moving it over to the offline server setup. --related questions-- 1. How do you verify the integrity of the downloaded Ollama installation package? 2. What are the steps involved in configuring large models after installing Ollama without internet connection? 3. Can Ollama support older versions of Ubuntu such as 18.04 LTS effectively? 4. Are there any prerequisites needed prior to deploying Ollama on an Ubuntu server edition?
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