在Ubuntu系统中,触发安全更新可以通过以下几种方法实现:
sudo apt update
sudo apt install unattended-upgrades
sudo nano /etc/apt/apt.conf.d/50unattended-upgrades
Unattended-Upgrade::Allowed-Origins {"${distro_id}:${distro_codename}";"${distro_id}:${distro_codename}-security";};
Unattended-Upgrade::Remove-Unused-Dependencies "true";
sudo nano /etc/apt/apt.conf.d/20auto-upgrades
APT::Periodic::Update-Package-Lists "1";
APT::Periodic::Download-Upgradeable-Packages "1";
APT::Periodic::AutocleanInterval "7";
APT::Periodic::Unattended-Upgrade "1";
sudo unattended-upgrades --dry-run --debug
自动更新的日志会保存在 /var/log/unattended-upgrades/
目录下。你可以随时查看这些日志,了解更新的情况。
请注意,进行任何系统更新或配置更改之前,建议备份重要数据,以防万一出现问题。
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