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更新 PVE 系统调整
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@@ -4,7 +4,7 @@
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在 PVE 系统调整之前，请确认必要的软件包已经安装完成，本文后续命令均在 SSH 终端下执行。
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```shell
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```bash
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## 同步镜像仓库
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$ apt update
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@@ -37,7 +37,7 @@ $ timedatectl set-timezone Asia/Shanghai
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## 检查系统时间
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$ date -R
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## 参考输出
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#### 系统时间示例输出
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Sun, 25 Jun 2023 12:12:12 +0800
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```
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@@ -68,17 +68,14 @@ pool ntp.aliyun.com iburst
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保存该配置文件后，需重启 `chrony` 服务，并再次检查系统 NTP 服务器地址。
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```shell
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```bash
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## 重启 chrony 服务
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$ systemctl restart chrony.service
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## 检查系统 NTP 服务器
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$ chronyc sources -V
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```
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如果输出以下类似内容，则表示系统 NTP 服务器设置正确。
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```shell
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#### 系统 NTP 服务器示例输出
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MS Name/IP address Stratum Poll Reach LastRx Last sample
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===============================================================================
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^+ 106.55.184.199 2 6 17 11 +752us[ +273us] +/- 40ms
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@@ -91,11 +88,9 @@ MS Name/IP address Stratum Poll Reach LastRx Last sample
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```bash
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## 检查 CPU 当前调度器
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cpufreq-info
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```
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设备 CPU - J4125 参考输出。
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$ cpufreq-info
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```shell
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#### 设备 CPU - J4125 示例输出
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cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009
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Report errors and bugs to cpufreq@vger.kernel.org, please.
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analyzing CPU 0:
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@@ -109,11 +104,8 @@ analyzing CPU 0:
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The governor "ondemand" may decide which speed to use
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within this range.
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current CPU frequency is 1.84 GHz.
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```
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设备 CPU - N6005 参考输出。
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```shell
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#### 设备 CPU - N6005 示例输出
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cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009
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Report errors and bugs to cpufreq@vger.kernel.org, please.
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analyzing CPU 0:
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@@ -139,18 +131,12 @@ analyzing CPU 0:
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```bash
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## 检查 CPU 当前调度器
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cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
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```
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$ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
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设备 CPU - J4125 参考输出。
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```shell
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#### 设备 CPU - J4125 示例输出
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ondemand
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```
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设备 CPU - N6005 参考输出。
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```shell
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#### 设备 CPU - N6005 示例输出
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performance
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```
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@@ -160,18 +146,12 @@ CPU 驱动一般不建议手动调整，而 `governor` 后面的参数表示 CPU
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```bash
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## 检查 CPU 调度器支持情况
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cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors
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```
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$ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors
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设备 CPU - J4125 参考输出。
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```shell
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#### 设备 CPU - J4125 示例输出
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conservative ondemand userspace powersave performance schedutil
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```
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设备 CPU - N6005 参考输出。
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```shell
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#### 设备 CPU - N6005 示例输出
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performance powersave
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```
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@@ -189,7 +169,7 @@ performance powersave
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```bash
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## 编辑 cpufrequtils 配置文件
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nano /etc/init.d/cpufrequtils
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$ nano /etc/init.d/cpufrequtils
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```
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在配置文件中修改以下配置项，并保存。
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@@ -210,10 +190,10 @@ PVE 服务器重启完成后需再次查看 CPU 调度器，检验配置文件
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```bash
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## 查看 CPU 当前频率
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watch cat /sys/devices/system/cpu/cpu[0-9]*/cpufreq/scaling_cur_freq
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$ watch cat /sys/devices/system/cpu/cpu[0-9]*/cpufreq/scaling_cur_freq
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## 查看内部温度
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watch -d sensors
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$ watch -d sensors
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```
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## 3. PVE 定时重启
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@@ -224,10 +204,10 @@ watch -d sensors
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```bash
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## 查看系统定时任务
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crontab -l
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$ crontab -l
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## 编辑系统定时任务，编辑器选择 nano
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crontab -e
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$ crontab -e
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```
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在配置文件末尾，增加以下配置项。
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@@ -249,12 +229,9 @@ crontab -e
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```bash
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## 检查系统定时器
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systemctl status apt-daily-upgrade.timer
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```
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$ systemctl status apt-daily-upgrade.timer
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系统定时器参考输出。
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```shell
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#### 系统定时器示例输出
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● apt-daily-upgrade.timer - Daily apt upgrade and clean activities
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Loaded: loaded (/lib/systemd/system/apt-daily-upgrade.timer; enabled; preset: enabled)
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Active: active (waiting) since Fri 2023-06-23 18:55:58 CST; 1 day 18h ago
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@@ -273,15 +250,11 @@ Jun 23 18:55:58 node01 systemd[1]: Started apt-daily-upgrade.timer - Daily apt u
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```bash
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## 配置自动更新策略
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dpkg-reconfigure -plow unattended-upgrades
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$ dpkg-reconfigure -plow unattended-upgrades
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## 选择 “是” （“YES”）
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```
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系统自动更新参考输出。
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```shell
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#### 系统自动更新示例输出
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Creating config file /etc/apt/apt.conf.d/20auto-upgrades with new version
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```
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@@ -289,10 +262,10 @@ Creating config file /etc/apt/apt.conf.d/20auto-upgrades with new version
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```bash
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## 进入 apt 的配置目录
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cd /etc/apt/apt.conf.d
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$ cd /etc/apt/apt.conf.d
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## 编辑 20auto-upgrades 配置文件
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nano /etc/apt/apt.conf.d/20auto-upgrades
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$ nano /etc/apt/apt.conf.d/20auto-upgrades
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```
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删除里面全部内容，添加以下配置项，并保存。
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@@ -313,7 +286,7 @@ APT::Periodic::CleanInterval "1";
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```bash
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## 编辑 50unattended-upgrades 配置文件
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nano /etc/apt/apt.conf.d/50unattended-upgrades
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$ nano /etc/apt/apt.conf.d/50unattended-upgrades
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```
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配置文件中，被修改的参数解释如下：
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@@ -375,7 +348,7 @@ Unattended-Upgrade::Automatic-Reboot-Time "05:00";
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```bash
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## 配置系统定时器
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systemctl edit apt-daily-upgrade.timer
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$ systemctl edit apt-daily-upgrade.timer
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```
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根据配置文件中的提示，在中间空白处填入以下配置项。
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@@ -394,15 +367,12 @@ RandomizedDelaySec=0
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```bash
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## 重启触发器
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systemctl restart apt-daily-upgrade.timer
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$ systemctl restart apt-daily-upgrade.timer
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## 再次检查触发器状态
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systemctl status apt-daily-upgrade.timer
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```
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$ systemctl status apt-daily-upgrade.timer
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系统自动更新触发器参考输出。
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```shell
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#### 系统自动更新触发器示例输出
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● apt-daily-upgrade.timer - Daily apt upgrade and clean activities
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Loaded: loaded (/lib/systemd/system/apt-daily-upgrade.timer; enabled; preset: enabled)
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Drop-In: /etc/systemd/system/apt-daily-upgrade.timer.d
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@@ -427,7 +397,7 @@ Jun 25 14:35:06 node01 systemd[1]: Started apt-daily-upgrade.timer - Daily apt u
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```bash
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## 编辑 Grub 配置文件
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nano /etc/default/grub
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$ nano /etc/default/grub
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```
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在编辑器对话框中修改 `GRUB_CMDLINE_LINUX_DEFAULT` 参数，注意命令中间的空格。
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@@ -452,7 +422,7 @@ GRUB_CMDLINE_LINUX_DEFAULT="quiet amd_iommu=on iommu=pt"
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```bash
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## 更新系统 Grub
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update-grub
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$ update-grub
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```
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### 5.2.添加内核模块
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@@ -461,7 +431,7 @@ update-grub
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```bash
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## 编辑系统配置文件
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nano /etc/modules
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$ nano /etc/modules
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```
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在配置文件中添加以下配置项，并保存。
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@@ -479,7 +449,7 @@ vfio_pci
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```bash
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## 更新 initramfs
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update-initramfs -u -k all
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$ update-initramfs -u -k all
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```
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### 5.3.检查硬件直通
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@@ -490,12 +460,9 @@ PVE 服务器重启完成后，再次使用 SSH 工具登录，并使用以下
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```bash
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## 检查系统硬件直通状态
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dmesg | grep -e DMAR -e IOMMU -e AMD-Vi
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```
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$ dmesg | grep -e DMAR -e IOMMU -e AMD-Vi
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设备 CPU - N6005 参考输出。
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```shell
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#### 设备 CPU - N6005 示例输出
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[ 0.017937] ACPI: DMAR 0x00000000746C2000 000088 (v02 INTEL EDK2 00000002 01000013)
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[ 0.017965] ACPI: Reserving DMAR table memory at [mem 0x746c2000-0x746c2087]
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[ 0.047812] DMAR: IOMMU enabled
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@@ -531,12 +498,9 @@ dmesg | grep -e DMAR -e IOMMU -e AMD-Vi
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```bash
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## 检查 IOMMU group
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find /sys/kernel/iommu_groups/ -type l
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```
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$ find /sys/kernel/iommu_groups/ -type l
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设备 CPU - N6005 参考输出。
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```shell
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#### 设备 CPU - N6005 示例输出
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/sys/kernel/iommu_groups/7/devices/0000:00:1c.4
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/sys/kernel/iommu_groups/15/devices/0000:04:00.0
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/sys/kernel/iommu_groups/5/devices/0000:00:17.0
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@@ -568,19 +532,19 @@ PVE 系统配置完成后，可逐条执行以下命令，对系统进行清理
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```bash
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## 清理系统软件包
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apt clean && apt autoclean && apt autoremove --purge
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$ apt clean && apt autoclean && apt autoremove --purge
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## 清理系统缓存
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rm -rvf /var/cache/apt/* /var/lib/apt/lists/* /tmp/*
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$ rm -rvf /var/cache/apt/* /var/lib/apt/lists/* /tmp/*
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## 清理系统日志
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find /var/log/ -type f | xargs rm -rvf
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$ find /var/log/ -type f | xargs rm -rvf
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## 清理命令历史记录文件
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rm -rvf ~/.bash_history
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$ rm -rvf ~/.bash_history
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## 清理命令历史
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history -c
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$ history -c
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```
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至此 PVE 的系统调整已经完成。
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