新增系统维护脚本，完善系统初始化和升级工具集

- 为 1.sh 添加系统配置、Docker 安装、SSH 密钥和别名配置功能
- 新增 alpine/upgrade.sh 用于 Alpine Linux 系统更新和维护
- 新增 debian/upgrade.sh 用于 Debian 系统更新和维护

1.sh

@@ -8,6 +8,8 @@
 set -e # 遇到错误即退出
 trap 'echo "Error on line $LINENO"' ERR
 
+print_green() { echo -e "\033[32m\033[01m$1$2\033[0m"; }
+
 # 先检查是 Debian 还是 Alpine
 if [ -f /etc/debian_version ]; then
   SYSTEM_TYPE="debian"
@@ -19,3 +21,81 @@ else
   echo "不支持的系统类型"
   exit 1
 fi
+
+sysctl_config() {
+  print_green "###################"
+  print_green "##### sysctl ######"
+  print_green "###################"
+  SYSCTL_SETTINGS=(
+    "net.core.rmem_max=16777216"
+    "net.core.wmem_max=16777216"
+    "net.core.default_qdisc=fq_codel"
+    "net.ipv4.tcp_congestion_control=bbr"
+    "net.ipv4.tcp_slow_start_after_idle=0"
+    "net.ipv4.tcp_notsent_lowat=16384"
+    # "net.ipv4.tcp_notsent_lowat=131072"
+  )
+  for SETTING in "${SYSCTL_SETTINGS[@]}"; do      # 遍历数组
+    KEY=$(echo "$SETTING" | cut -d '=' -f 1)      # 截取=左边的字符串
+    sed -i "/^$KEY *= *[0-9]*/d" /etc/sysctl.conf # 删除已有的配置
+    echo "$SETTING" >>/etc/sysctl.conf            # 追加新的配置
+    # echo "已添加系统配置: $SETTING"                # 输出提示信息
+  done # 循环结束
+  sysctl -p
+}
+
+install_docker() {
+  print_green "###################"
+  print_green "##### docker ######"
+  print_green "###################"
+  if [ -x "$(command -v docker)" ]; then
+    echo "Docker 已安装"
+  else
+    echo "Docker 未安装，正在安装中..."
+    curl -fsSL https://get.docker.com/ | sh
+  fi
+}
+
+modify_authorized_keys() {
+  print_green "###################"
+  print_green "# authorized_keys #"
+  print_green "###################"
+  echo "正在修改 authorized_keys"
+  mkdir -p /root/.ssh/
+  AUTHORIZED_KEY="ssh-rsa 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 yanhao@yanhaodeMacBook-Pro.local"
+  echo $AUTHORIZED_KEY >/root/.ssh/authorized_keys
+  chmod 600 /root/.ssh/authorized_keys
+  # wget -q -O /tmp/sshd_config https://script.yanhao.ren/downloads/sshd_config
+  # mv /tmp/sshd_config /etc/ssh/sshd_config
+  # service sshd restart
+}
+
+bash_aliases() {
+  print_green "###################"
+  print_green "## bash_aliases ###"
+  print_green "###################"
+  rm -f /root/.bash_aliases
+  # 确保 .bashrc 包含别名加载代码
+  touch /root/.bash_aliases
+  grep -q "/root/.bash_aliases" /root/.bashrc || echo '
+if [ -f /root/.bash_aliases ]; then
+    . ~/.bash_aliases
+fi' >>/root/.bashrc
+
+  cat <<'EOF' >/root/.bash_aliases
+alias maddy='docker exec -it maddy maddy'
+alias l='ls -l'
+alias ll='ls -alF'
+alias telnet='docker run --quiet --rm --network host --entrypoint telnet busybox:latest'
+alias dstats='docker stats --no-stream'
+alias dup='docker compose up --remove-orphans'
+alias dps='docker ps --format "table {{.Names}}\t{{.Status}}\t{{.Size}}"'
+EOF
+
+  print_yellow "别名配置已完成，请执行 source /root/.bashrc 使配置生效"
+}
+
+modify_authorized_keys
+bash_aliases
+install_docker
+sysctl_config

debian/upgrade.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+DEBIAN_FRONTEND=noninteractive &&
+  apt -qq update &&
+  apt -qq upgrade -y &&
+  apt -qq full-upgrade -y &&
+  apt -qq autoremove &&
+  apt -qq autoclean &&
+  apt clean &&
+  systemctl --failed &&
+  apt -qq install needrestart -y &&
+  needrestart -q -r l