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99 lines
2.4 KiB
Markdown
99 lines
2.4 KiB
Markdown
# System
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The system page provides management features for basic server configuration, including DNS, SWAP, hostname, and time settings.
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## DNS
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Configure the system's DNS servers.
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### Configuration Items
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- **DNS1**: Primary DNS server address
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- **DNS2**: Secondary DNS server address
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### Common DNS Servers
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| Provider | DNS1 | DNS2 |
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|----------|------|------|
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| Alibaba Cloud | 223.5.5.5 | 223.6.6.6 |
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| Tencent Cloud | 119.29.29.29 | 119.28.28.28 |
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| 114 DNS | 114.114.114.114 | 114.114.115.115 |
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| Google | 8.8.8.8 | 8.8.4.4 |
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| Cloudflare | 1.1.1.1 | 1.0.0.1 |
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## SWAP
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Manage the system's SWAP space.
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The page displays current SWAP usage:
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- System total
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- Used
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- Available
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### Configure Panel SWAP
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Set the size of the SWAP file managed by the panel (unit: MB).
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- Setting to `0` disables panel SWAP
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- It is recommended to set based on server memory size, typically 1-2 times the memory
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::: tip Tip
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SWAP can provide additional virtual memory when physical memory is insufficient, but performance is lower than physical memory. For servers with sufficient memory, SWAP may not need to be enabled.
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:::
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## Host
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Configure system hostname and Hosts file.
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### System Hostname
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Modify the server's hostname, such as `myserver`, `web-01`, etc.
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### Hosts
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Edit the system's `/etc/hosts` file for configuring local domain name resolution.
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Common uses:
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- Block specific domains
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- Configure local development domains
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- Speed up resolution of specific domains
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## Time
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Configure system timezone and time synchronization.
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### Select Timezone
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Select the server's timezone from the dropdown list, such as `Asia/Shanghai`.
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### Modify Time
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Manually set the system time.
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::: warning Note
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After manually changing the time, automatic system time synchronization may still override the settings.
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:::
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### NTP Server
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Configure the NTP time synchronization server. Leave empty to use the system default server.
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Common NTP servers:
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- `ntp.aliyun.com` - Alibaba Cloud
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- `ntp.tencent.com` - Tencent Cloud
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- `cn.pool.ntp.org` - China NTP Pool
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### Action Buttons
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- **Configure Default Server**: Restore to using the system default NTP server
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- **Save**: Save timezone and time settings
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- **Sync Time**: Immediately synchronize time with the NTP server
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