BashScript

auto_adjust_fan

#!/bin/bash

adjust_fan() {
    pcie_pos=$1
    target_state=$2
    cur_state=$(sudo racadm get "System.PCIESlotLFM.${pcie_pos}" | grep LFMMode | cut -c 9-)
    if [ "$target_state" != "$cur_state" ]; then
        sudo racadm set System.PCIESlotLFM."${pcie_pos}".LFMMode "${target_state}"
        echo "风扇调整为：${target_state}模式（Custom: off Automatic: on）"
    fi
}

while true; do

    # 提取温度信息：截取含"Default"的行；提取第三个字段的信息；提取前两个字符
    gpu_temp=$(nvidia-smi | grep Default | awk '{print $3}' | cut -c 1-2)
    max_temp=0
    # 提取温度的最大值
    for temp in ${gpu_temp}; do
        if ((temp > max_temp)); then
            max_temp="$temp"
        fi
    done

    echo "最大的显卡温度为： ${max_temp}°C."
    if [ "${max_temp}" -lt 65 ]; then
        adjust_fan 3 Custom
        adjust_fan 6 Custom
        adjust_fan 8 Custom

    else
        adjust_fan 3 Automatic
        adjust_fan 6 Automatic
        adjust_fan 8 Automatic
    fi
    sleep 60
done

auto_adjust_fan.service

[Unit]
Description=a script for adjusting fans of Nvidia card

[Service]
Type=simple
ExecStart=/usr/local/bin/auto_adjust_fan

[Install]
WantedBy=multi-user.target

snippet.sh

#!/bin/bash

# IsRoot
A=$(whoami)
if [ "$A" != 'root' ]; then
    echo "You have to be root to run this script"
    echo "Fail !!!"
    exit 1
fi


# IdentifyArch
B=$(arch)
if [ $B == 'x86_64' ]; then
    ...
elif [ $B == 'aarch64' ]; then
    ...
elif [[ ${B:2} == '86' ]]; then
    ...
else
    ...
fi

# show code name of this distribution
release_code="$(lsb_release -cs)"