Completely Turn Off Automatic Updates of Snap Apps in Ubuntu

Ubuntu finally added support for disabling automatic updates for snap applications, though it’s currently considered experimental at the moment of writing. As you may know, Snap is an universal package format runs in sandbox. It’s developed by Canonical, the company behind Ubuntu, as a competitor to Flatpak. The pre-installed Firefox in Ubuntu 22.04+, and Ubuntu… Continue reading Completely Turn Off Automatic Updates of Snap Apps in Ubuntu

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How to Delay or Tell When to Update Snap Apps in Ubuntu

Ubuntu automatically checks and updates all installed Snap packages 4 times every day. Here’s how you can delay or assign a certain time period for the automatic update.

Snap is an Ubuntu developed universal package format that runs in sandbox. Few core apps (such as Ubuntu Software and Firefox in 22.04) and many software in Ubuntu Software are Snap packages. Unlike classic .deb package, snap updates all the packages automatically in the background silently without user intervention.

If you didn’t block the Snap package, you must have some installed on your Ubuntu machine. And, to avoid conflict to daily work (e.g., online meetings, data backup), you may tell Snap when to do the updates.

Check when Snap will do updates:

By default, snap check (and install if any) updates 4 times per day. You may verify it by pressing Ctrl+Alt+T on keyboard to open terminal and run command:

snap refresh --time

Besides the time period and frequency, it also tells when the last done and next will occur.

Hold or Completely Disable Automatic Updates

The developer team finally added the --hold parameter, so user can hold updates for either certain app or all snaps for given time or indefinitely.

NOTE: the commands below work only for edge channel of snapd daemon at the moment of writing.

Simply open terminal and run command, and run command to hold updates for 24 hours via command:

snap refresh --hold=24h firefox

Or completely disable automatic updates for firefox via:

snap refresh --hold firefox

To disable automatic updates for all snap applications, run command:

snap refresh --hold

To re-enable automatic updates, use command to unhold all:

snap refresh --unhold

Or unhold specified app via command:

pre>snap refresh –unhold firefox

Specify time period for Snap update

To tell when and how often to check updates, it can be done by running a single command in terminal to set the value of “refresh.timer”.

For example, to allow only between 4.00am and 6.00am, and 9.00pm and 12.00pm, use command:

sudo snap set system refresh.timer=4:00-6:00,21:00-24:00

Or, only check/install updates twice in weekend via command:

sudo snap set system refresh.timer=sat,sun,0:00-24:00/2

Other examples include between 10.00pm and 11.00pm from Monday to Wednesday, and between 9.00am and 11.00am on Friday.

sudo snap set system refresh.timer=mon-wed,22:00-23:00,,fri,9:00-11:00

Or second Monday of the month between 9:00 and 11:00 via command:

sudo snap set system refresh.timer=mon2,9:00-11:00

Delay the update

Ubuntu supports to delay snap updates by specifying a value to “refresh.hold” up to 90 days.

1. Firstly, in case you don’t know your time zone short name, run command:

date

It will output the current date and time, as well as time zone (e.g., NST, AST, EST, PST, CST).

2. Next, use the command below to convert your desired time (e.g., July 7, 2022) to the right format:

date --date="CST 2022-07-07 18:22:00" +%Y-%m-%dT%H:%M:%S%:z

Replace the time zone, date and time in bold. And, copy the output time for use in next command.

3. Finally, delay snap refresh until the given date and time.

sudo snap set system refresh.hold=2022-07-07T18:22:00+08:00

To verify the change, use command:

sudo snap get system refresh.hold

Prevent update when on metered connections

If you’re running Ubuntu on a metered network connection. Which mean you have limited amount of data per month or day. You can prevent Snap from doing updates by running command:

sudo snap set system refresh.metered=hold

To undo this change, use command:

sudo snap set system refresh.metered=null
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How to Remove Snap Apps & Block Them in Ubuntu 22.04

Ubuntu is distributing more applications as the universal Snap package, but some users don’t like them. So I’m writing this tutorial for those want to completely get rid of Snap and prevent it from being installed back. NOTE: Before getting started, please backup your app data, e.g., Firefox bookmarks. Attention that Ubuntu Software will also… Continue reading How to Remove Snap Apps & Block Them in Ubuntu 22.04

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How to Search, Install, Remove Snap Apps in Command Line

This simple tutorial shows how to search for, install, remove, and list installed Snap applications in Ubuntu from command line. Snap is an universal Linux package format developed by Canonical, the company behind Ubuntu. Though many users hate the Snap apps, it’s hard to keep away from it since many popular applications (e.g., VLC, Spotify,… Continue reading How to Search, Install, Remove Snap Apps in Command Line

Install OBS Studio Easily via Snap in Ubuntu

For those who don’t want to add third-party repositories, the free and open-source streaming and recording program OBS Studio now can be easily installed in Ubuntu via Snap package. Snap is an universal Linux package format. Snap application runs in sandbox and it auto-updates itself once a new release is out and snapped by the… Continue reading Install OBS Studio Easily via Snap in Ubuntu

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