开机自启动某个任务

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​ 工作之余用写的。就是把 一个脚本A 做成 一个服务A，然后每次开机自动调用这个服务。
脚本A直接写在下面这个脚本里面，运行下面这个脚本一步一步来就好了，这里是开机自启动jypyter-lab的一个命令。
​ 如果有什么问题，去检查一下 我写入的log 文件夹中的文件。 有时候 要一些模块类似 pip install typing_extensions。

Auto_start_jupyter.sh

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#!/bin/bash                                                                                                                                                           
                                                                                                                                                                      
# 读取用户输入的密码                                                                                                                                                  
read -sp "请输入你的root密码: " root_password                                                                                                                         
echo 

# 切换到 root 用户并执行命令
echo  "$root_password" | sudo -S -p '' bash -c '


# 在 /home/jlsf/ 下创建一个 log 文件夹，不会覆盖已存在的文件夹
echo "在 /home/jlsf/ 下创建一个 log 文件夹，不会覆盖已存在的文件夹"
mkdir -p /home/jlsf/log
if [ $? -ne 0 ]; then
  echo "Failed to create log folder." >&2
  exit 1
else
  echo "Log folder created or already exists."
fi


# 检查是否存在 /home/jlsf/Auto_start_jupyter.sh 脚本，如果不存在则创建
echo "检查是否存在 /home/jlsf/Auto_start_jupyter.sh 脚本，如果不存在则创建"
if [ ! -f /home/jlsf/Auto_start_jupyter.sh ]; then
  cat << 'SCRIPT' > /home/jlsf/Auto_start_jupyter.sh
#!/bin/bash
/usr/bin/nohup /home/jlsf/.local/bin/jupyter lab --no-browser --ip=0.0.0.0 --allow-root >> /home/jlsf/log/myscript.log 2>&1 &
# /home/jlsf/.local/bin/jupyter lab --no-browser --ip=0.0.0.0 --allow-root >> /home/jlsf/log/myscript.log 2>&1
SCRIPT
  if [ $? -ne 0 ]; then
    echo "Failed to create Auto_start_jupyter.sh script." >&2
    exit 1
  else
    echo "Auto_start_jupyter.sh script created."
  fi
else
  echo "Auto_start_jupyter.sh script already exists."
fi


# 尝试添加 Auto_start_jupyter.sh 脚本权限
echo "尝试添加 Auto_start_jupyter.sh 脚本权限。"
chown jlsf:jlsf /home/jlsf/Auto_start_jupyter.sh
chown jlsf:jlsf /home/jlsf/log
chmod 776 /home/jlsf/Auto_start_jupyter.sh
if [ $? -ne 0 ]; then
echo "Failed to set permissions on Auto_start_jupyter.sh script." >&2
exit 1
else
echo "Permissions set on Auto_start_jupyter.sh script."
fi


# 创建 systemd 服务单元文件
echo "创建 systemd 服务单元文件"
if [ ! -f /etc/systemd/system/Auto_start_jupyter.service ]; then
  cat << 'SERVICE' > /etc/systemd/system/Auto_start_jupyter.service
[Unit]
Description=Jupyter Lab Service
After=network.target

[Service]
Type=forking
ExecStart=/home/jlsf/Auto_start_jupyter.sh
StandardOutput=append:/var/log/my_program.log
StandardError=append:/var/log/my_program.log
Restart=always
User=jlsf
WorkingDirectory=/home/jlsf

[Install]
WantedBy=multi-user.target
SERVICE
  if [ $? -ne 0 ]; then
    echo "Failed to create Auto_start_jupyter.service." >&2
    exit 1
  else
    echo "Auto_start_jupyter.service created."
  fi
else
  echo "Auto_start_jupyter.service already exists."
fi


# 重新加载 systemd 配置
echo "重新加载 systemd 配置"
systemctl daemon-reload
if [ $? -ne 0 ]; then
  echo "Failed to reload systemd daemon." >&2
  exit 1
else
  echo "Systemd daemon reloaded."
fi


# # 重置服务的启动限制计数
# echo "重置服务的启动限制计数" 
# systemctl reset-failed
# if [ $? -ne 0 ]; then
#   echo "Failed to reset-failed systemd service." >&2
#   exit 1
# else
#   echo "Systemd service reset-failed success."
# fi


# 启用并启动服务
echo "启用并启动服务"
systemctl enable Auto_start_jupyter.service
if [ $? -ne 0 ]; then
  echo "Failed to enable Auto_start_jupyter.service." >&2
  exit 1
else
  echo "Auto_start_jupyter.service enabled."
fi
echo "现在开始开启服务"
systemctl start Auto_start_jupyter.service
# if [ $? -ne 0 ]; then
#   echo "Failed to start Auto_start_jupyter.service." >&2
#   exit 1
# else
#   echo "Auto_start_jupyter.service started."
# fi

# 检查服务状态
echo "检查服务状态"
systemctl status Auto_start_jupyter.service


'

改进

Auto_start_jupyter.sh

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#!/bin/bash

# 读取用户输入的密码
read -sp "请输入你的root密码: " root_password
echo

# 切换到 root 用户并执行一系列配置命令
echo "$root_password" | sudo -S -p '' bash -s <<'EOF'

echo "-----------------------------------------------------"
echo "开始配置 Jupyter Lab 的 systemd 自启动服务..."
echo "-----------------------------------------------------"

# 步骤 1: 创建或更新 systemd 服务单元文件
echo "--> 正在创建优化的 systemd 服务文件: /etc/systemd/system/Auto_start_jupyter.service"

cat << 'SERVICE' > /etc/systemd/system/Auto_start_jupyter.service
[Unit]
Description=Jupyter Lab Service
After=network.target

[Service]
Type=simple
ExecStart=/home/dell/.local/bin/jupyter lab --no-browser --ip=0.0.0.0 --allow-root
User=dell
WorkingDirectory=/home/dell
Restart=always
RestartSec=5

[Install]
WantedBy=multi-user.target
SERVICE

echo "成功创建或更新了 Auto_start_jupyter.service 文件。"

# 步骤 2: 重新加载 systemd 配置
systemctl daemon-reload
echo "Systemd 配置已重新加载。"

# 步骤 3: 设置开机自启
systemctl enable Auto_start_jupyter.service
echo "Auto_start_jupyter.service 已被设置为开机自启。"

# 步骤 4: 启动服务
systemctl restart Auto_start_jupyter.service
echo "Auto_start_jupyter.service 已成功启动。"

echo ""
echo "-----------------------------------------------------"
echo "配置完成！正在检查服务的当前状态..."
echo "-----------------------------------------------------"
sleep 2
systemctl status Auto_start_jupyter.service --no-pager -l
echo "-----------------------------------------------------"
echo "如果服务状态显示为 active (running)，则表示一切正常。"
echo "如果失败，请用: sudo journalctl -u Auto_start_jupyter.service -n 50 --no-pager"
echo "-----------------------------------------------------"

EOF

改成要把一个脚本做成服务

写脚本 start_jupyter.sh 

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~/.local/bin/jupyter lab --no-browser --ip=0.0.0.0 --allow-root

写 Auto_start_jupyter.sh ，把 上面的脚本做成一个开机自启动的服务。

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#!/bin/bash

# 读取用户输入的密码
read -sp "请输入你的root密码: " root_password
echo

# 切换到 root 用户并执行一系列配置命令
echo "$root_password" | sudo -S -p '' bash -s <<'EOF'

echo "-----------------------------------------------------"
echo "开始配置 Python 脚本的 systemd 自启动服务..."
echo "-----------------------------------------------------"

# 步骤 1: 创建或更新 systemd 服务单元文件
echo "--> 正在创建 systemd 服务文件: /etc/systemd/system/Auto_start_task.service"

cat << 'SERVICE' > /etc/systemd/system/Auto_start_task.service
[Unit]
Description=Auto Start Python Task
After=network.target

[Service]
Type=simple
User=cys
WorkingDirectory=/home/cys
ExecStart=/bin/bash start_jupyter.sh
Restart=always
RestartSec=5
StandardOutput=append:/home/cys/auto_task.log
StandardError=append:/home/cys/auto_task_error.log

[Install]
WantedBy=multi-user.target
SERVICE

echo "成功创建或更新了 Auto_start_task.service 文件。"

# 步骤 2: 重新加载 systemd 配置
systemctl daemon-reload
echo "Systemd 配置已重新加载。"

# 步骤 3: 设置开机自启
systemctl enable Auto_start_task.service
echo "Auto_start_task.service 已被设置为开机自启。"

# 步骤 4: 启动服务
systemctl restart Auto_start_task.service
echo "Auto_start_task.service 已成功启动。"

echo ""
echo "-----------------------------------------------------"
echo "配置完成！正在检查服务的当前状态..."
echo "-----------------------------------------------------"
sleep 2
systemctl status Auto_start_task.service --no-pager -l
echo "-----------------------------------------------------"
echo "如果服务状态显示为 active (running)，则表示一切正常。"
echo "日志路径：/home/cys/auto_task.log 和 /home/cys/auto_task_error.log"
echo "-----------------------------------------------------"

EOF

运行 这个脚本即可。