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This article mainly explains "Ubuntu how to open the system automatic upgrade and cancel automatic update", the content of the article is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in depth, together to study and learn "Ubuntu how to open the system automatic upgrade and cancel automatic update" bar!

Enable automatic upgrade of Ubuntu system

Before you learn how to turn on Ubuntu system automatic upgrade, explain why automatic upgrade is needed.

By default, ubuntu checks for updates once a day. But a software upgrade reminder pops up only once a week, unless it pops up immediately when there is a security upgrade. So, if you've been using Ubuntu for a while, you must be familiar with this picture:

But as a normal desktop user, I don't care about any update details at all. And this reminder is a complete waste of time, you are sure to trust the upgrade patch provided by Ubuntu, is that right? So, in most cases, you will definitely choose "install now", right?

So, all you have to do is click the upgrade button. Now, do you see why automatic system upgrades are needed? Turning on automatic system upgrade means that all the latest updates are downloaded and installed automatically without requesting confirmation. Isn't it convenient?

Enable Ubuntu automatic upgrade

The steps to demonstrate using Ubuntu15.04,Ubuntu 14.04 are similar.

Open Unity Dash, find the software & update:

Open the software resource settings and switch to the upgrade tab:

As you can see, the default setting is to check daily and immediately remind you of security upgrades.

Change the options for 'when there are security upgrades' and 'when there are other upgrades' to: download and install automatically.

Close the dialog box to complete the settings. In this way, each time Ubuntu checks for updates, it will automatically upgrade.

Ubuntu cancels the automatic update command

1.

The code is as follows:

Vi / etc/apt/apt.conf.d/50unattended-upgrades

Unattended-Upgrade::Allowed-Origins {

/ / "${distro_id}: ${distro_codename}-security"

/ / "${distro_id}: ${distro_codename}-updates"

/ / "${distro_id}: ${distro_codename}-proposed"

/ / "${distro_id}: ${distro_codename}-backports"

}

Comment out the corresponding options for the options.

two。

The code is as follows:

Vi / etc/apt/apt.conf.d/10periodic

APT::Periodic::Update-Package-Lists "1"; / / display update package list 0 to deactivate settings

APT::Periodic::Download-Upgradeable-Packages "1"; / / download update package 0 to disable the setting

APT::Periodic::AutocleanInterval "7"; / / 7 automatic deletion

APT::Periodic::Unattended-Upgrade "1"; / / enable automatic updates 0 means disable automatic updates

This installation of ubuntu11.04 does not have this file, so look for the file with the following words under / etc/apt/apt.conf.d and find 20auto-upgrades

The code is as follows:

APT::Periodic::Update-Package-Lists "0"

APT::Periodic::Unattended-Upgrade "0"

Modify it

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