ubuntu关闭内核自动更新的方法：1、打开终端；2、输入命令打开/etc/apt/apt.conf.d/10periodic配置文件和/etc/apt/apt.conf.d/20auto-upgrades配置文件并修改设置关闭自动更新；3、重启ubuntu系统使设置生效即可。
具体操作步骤：
使用快捷键【Ctrl+Alt+T】打开终端；
输入以下命令打开/etc/apt/apt.conf.d/10periodic配置文件。
sudo gedit /etc/apt/apt.conf.d/10periodic
禁止自动更新配置文件设为如下：
APT::Periodic::Update-Package-Lists "0";
APT::Periodic::Download-Upgradeable-Packages "0";
APT::Periodic::AutocleanInterval "0";
APT::Periodic::Unattended-Upgrade "0";
再输入命令打开/etc/apt/apt.conf.d/20auto-upgrades配置文件。
sudo gedit /etc/apt/apt.conf.d/20auto-upgrades
再设置禁止自动更新。
APT::Periodic::Update-Package-Lists "0";
APT::Periodic::Download-Upgradeable-Packages "0";
APT::Periodic::AutocleanInterval "0";
APT::Periodic::Unattended-Upgrade "0";
设置完成后，输入以下命令重启ubuntu系统使其生效即可。
reboot
