Help

# Category:Security (简体中文)

GNU/Linux通过用户和用户组进行访问控制。超级用户(root)对操作系统和系统配置享有完全的控制权，我们只应当在管理系统时使用它。无特权的普通用户可以使用su和sudo程序提升权限。

安全这个主题包含了广泛的内容。

## 相关类别

- Category:Internet applications (简体中文)
- Category:Networking (简体中文)

## Subcategories

This category has the following 4 subcategories, out of 4 total.

### E

- Encryption (简体中文)

### F

- Firewalls (简体中文)

### P

- Proxy servers (简体中文)

### S

- Secure Shell (简体中文)

## Pages in category "Security (简体中文)"

The following 16 pages are in this category, out of 16 total.

### A

- Allow users to shutdown (简体中文)

### C

- Capabilities (简体中文)
- ClamAV (简体中文)

### D

- Dm-crypt (简体中文)

### H

- Haveged (简体中文)

### M

- MAC address spoofing (简体中文)

### P

- PAM (简体中文)
- Polkit (简体中文)

### R

- Reset root password (简体中文)
- Router (简体中文)

### S

- Squid (简体中文)
- SSH keys (简体中文)
- Sudo (简体中文)

### U

- Users and groups (简体中文)

### V

- Virtual Network Computing (简体中文)

### W

- Wireshark (简体中文)

Category:

- System administration (简体中文)