exec-once = pactl set-card-profile 46 output:analog-stereo+input:analog-stereo

exec-once = pactl set-default-source alsa_input.pci-0000_63_00.6.analog-stereo

sudo systemctl disable bluetooth.servise # 蓝牙
sudo systemctl disable cups # 打印机
ModemManager # 调制解调器管理	无移动网络设备（如 4G 网卡）可禁用

sudo systemctl disable smb
sudo systemctl disable ollama
sudo systemctl disable v2raya

systemctl enable --now iwd
systemctl enable --now systemd-resolved

pacman -Syu

git clone https://aur.archlinux.org/yay.git
cd yay
makepkg -si

...
Gdk: gdk_wayland_display_get_wl_display: assertion 'GDK_IS_WAYLAND_DISPLAY (display)' failed
# 通常到这里就重复或者直接卡死掉没有输出了

#!/bin/bash

# 二分法查找导致 linuxqq 启动失败的环境变量
# 基于已知成功的基础环境：env -i HOME=$HOME USER=$USER DISPLAY=$DISPLAY \
#   XDG_RUNTIME_DIR=$XDG_RUNTIME_DIR DBUS_SESSION_BUS_ADDRESS=$DBUS_SESSION_BUS_ADDRESS \
#   PATH=/usr/bin:/usr/local/bin linuxqq

set -e

# 基础变量（必须保留才能启动）
basic_vars=(HOME USER DISPLAY XDG_RUNTIME_DIR DBUS_SESSION_BUS_ADDRESS)
# PATH 固定值（可根据你的系统调整）
PATH_VAL="/usr/bin:/usr/local/bin"

# 检查基础变量是否已设置
for var in "${basic_vars[@]}"; do
    if [ -z "${!var}" ]; then
        echo "错误: 基础变量 $var 未设置，无法进行测试。"
        exit 1
    fi
done

# 获取当前所有环境变量名
mapfile -t all_vars < <(compgen -e)

# 定义要排除的变量（基础变量、PATH 及 shell 内部变量）
exclude_vars=("${basic_vars[@]}" "PATH" "_" "SHLVL" "PWD" "OLDPWD")
exclude_vars+=("BASH_EXECUTION_STRING" "BASH_LINENO" "BASH_SOURCE" "BASH_VERSINFO")
exclude_vars+=("BASH_VERSION" "DIRSTACK" "EUID" "GROUPS" "IFS" "LINENO" "MACHTYPE")
exclude_vars+=("OPTERR" "OPTIND" "OSTYPE" "PIPESTATUS" "PPID" "SECONDS" "SHELLOPTS" "UID")

# 将排除列表转为关联数组
declare -A exclude_map
for var in "${exclude_vars[@]}"; do
    exclude_map["$var"]=1
done
# 排除所有以 BASH_ 开头的变量
for var in "${all_vars[@]}"; do
    if [[ $var == BASH_* ]]; then
        exclude_map["$var"]=1
    fi
done

# 构建候选变量列表（未排除的变量）
candidates=()
for var in "${all_vars[@]}"; do
    if [[ -z "${exclude_map[$var]}" ]]; then
        candidates+=("$var")
    fi
done

# 排序以保证顺序固定
IFS=$'\n' candidates=($(sort <<<"${candidates[*]}"))
unset IFS

echo "候选环境变量数量: ${#candidates[@]}"
echo "开始二分查找..."

low=0
high=$((${#candidates[@]} - 1))
iteration=1

while [ $low -le $high ]; do
    mid=$(( (low + high) / 2 ))
    # 当前测试的变量子集：candidates[0] 到 candidates[mid]
    test_vars=("${candidates[@]:0:$((mid+1))}")

    echo ""
    echo "=== 迭代 $iteration ==="
    echo "测试变量范围: [0, $mid] (共 ${#test_vars[@]} 个变量)"
    echo "第一个变量: ${candidates[0]}"
    echo "最后一个变量: ${candidates[mid]}"

    # 构建 env 命令
    env_cmd=(env -i)
    # 添加基础变量
    for var in "${basic_vars[@]}"; do
        # 注意：这里的单引号是必要的
        env_cmd+=("$var='${!var}'")
    done
    env_cmd+=("PATH='$PATH_VAL'")
    # 添加当前测试的候选变量
    for var in "${test_vars[@]}"; do
        env_cmd+=("$var='${!var}'")
    done
    env_cmd+=("linuxqq")

    # 显示将要运行的命令（简洁）
    echo "运行命令: ${env_cmd[*]}"
    echo "请观察程序是否能正常启动（不报错且界面正常）"
    read -p "是否成功? (y/n) " -n 1 -r response
    echo ""
    if [[ $response =~ ^[Yy]$ ]]; then
        echo "成功: 问题变量在右侧区间"
        low=$((mid + 1))
    else
        echo "失败: 问题变量在左侧区间"
        high=$((mid - 1))
    fi
    iteration=$((iteration + 1))
done

if [ $low -eq $high ]; then
    culprit="${candidates[$low]}"
    echo ""
    echo "找到可能导致问题的变量: $culprit"
    echo "当前值: ${!culprit}"
    echo "你可以尝试取消设置该变量再启动:"
    echo "  unset $culprit && linuxqq"
    echo "或者使用干净的 env 启动:"
    echo "  env -i HOME=\"\$HOME\" USER=\"\$USER\" DISPLAY=\"\$DISPLAY\" \\"
    echo "      XDG_RUNTIME_DIR=\"\$XDG_RUNTIME_DIR\" \\"
    echo "      DBUS_SESSION_BUS_ADDRESS=\"\$DBUS_SESSION_BUS_ADDRESS\" \\"
    echo "      PATH=/usr/bin:/usr/local/bin linuxqq"
else
    echo "未找到具体变量，可能由多个变量组合引起，或不在候选列表中。"
fi

$ set | grep ^IFS
IFS=$' \t\n'
IFS=$_ifs compgen "$@" ${_cur:+-- "$_cur"}) || {

env = QT_QPA_PLATFORMTHEME,qt6ct

[qytlix@NotebookArchLinux ~]$ 

ddcutil set 10 10
ddcutil set 10 + 5
ddcutil set 10 - 5  # 以十进制减去百分之五

ddctuil get 10  # 以十进制获取当前亮度值

monitor=eDP-1,disabled