From 8e1e26779ca0fad024434b6c69adc522d37209d8 Mon Sep 17 00:00:00 2001
From: pbeuchat <paul.beuchat@unimelb.edu.au>
Date: Tue, 8 Dec 2020 02:44:40 +0100
Subject: [PATCH] Added extra detail to the install ubuntu on rasp pi wiki
 about how to disable the auto updates

---
 .../installation_of_ubuntu_on_raspberry_pi.md | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/wiki/install_and_setup/installation_of_ubuntu_on_raspberry_pi.md b/wiki/install_and_setup/installation_of_ubuntu_on_raspberry_pi.md
index 14b12e87..824c0cc2 100644
--- a/wiki/install_and_setup/installation_of_ubuntu_on_raspberry_pi.md
+++ b/wiki/install_and_setup/installation_of_ubuntu_on_raspberry_pi.md
@@ -153,7 +153,7 @@ The answer is yes, another process is using ``dpkg`` and hence it is locked, and
 systemctl list-timers
 ```
 
-On the list you are like to see ``apt-daily.timer`` and ``apt-daily-upgrade.timer``. Alternatively, to check if the timers, and the services they trigger, are active, enter the following commands:
+On the list you are likely to see ``apt-daily.timer`` and ``apt-daily-upgrade.timer``. Alternatively, to check if the timers, and the services they trigger, are active, enter the following commands:
 ```
 systemctl is-active apt-daily.timer
 systemctl is-active apt-daily.service
@@ -161,14 +161,29 @@ systemctl is-active apt-daily-upgrade.timer
 systemctl is-active apt-daily-upgrade.service
 ```
 
+Another way to check if the ``apt`` process is running to use ``grep`` to search the list of all processes that are running. This is done with the following command:
+```
+ps aux | grep -i apt
+```
+This will display a list of the processes running ``apt`` or ``apt-get``. Note that you can ignore the process containing ``grep --color=auto``
+
 If the services are active, then it is recommended to allow time for them to complete, and then disable the services and timers with the following commands:
 ```
 sudo systemctl disable apt-daily.service
 sudo systemctl disable apt-daily.timer
-sudo systemctl disable apt-daily-upgrade.timer
 sudo systemctl disable apt-daily-upgrade.service
+sudo systemctl disable apt-daily-upgrade.timer
 ```
 
+Auto updates and upgrade settings are also specified in the file ``/etc/apt/apt.conf.d/20auto-upgrades``. Edit this file using:
+```
+sudo nano /etc/apt/apt.conf.d/20auto-upgrades
+```
+so that the update and upgrade options are set to a value of ``0``, i.e., the contents of the file should be:
+```
+APT::Periodic::Update-Package-Lists "0";
+APT::Periodic::Unattended-Upgrade "0";
+```
 
 
 ### Correct the error: ``failed to start load kernel modules``
-- 
GitLab