Merge pull request #2081 from decagondev/patch-2

Update yocto_build.md

Author: jasonrandrews

content/learning-paths/embedded-and-microcontrollers/yocto_qemu/yocto_build.md

@@ -19,16 +19,23 @@ Poky is a reference distribution of the Yocto Project. It is a great starting po
 
 The first step is to install the packages required to build and run Yocto:
 
+**older systems**
 ```bash
 sudo apt update
 sudo apt-get install -y gawk wget git-core diffstat unzip texinfo build-essential chrpath socat cpio python3 python3-pip python3-pexpect xz-utils debianutils iputils-ping python3-git python3-jinja2 libegl1-mesa libsdl1.2-dev pylint xterm python3-subunit mesa-common-dev lz4
 ```
+**Ubuntu LTS Current**
+**older systems**
+```bash
+sudo apt update
+sudo apt-get install -y gawk wget git-core diffstat unzip texinfo build-essential chrpath socat cpio python3 python3-pip python3-pexpect xz-utils debianutils iputils-ping python3-git python3-jinja2 libgl1 libglx-mesa0 libsdl1.2-dev pylint xterm python3-subunit mesa-common-dev lz4
+```
 Now download the Poky reference distribution and checkout the branch/tag you wish to build. You will build `yocto-4.0.6` in this example.
 
 ```bash
 git clone git://git.yoctoproject.org/poky
 cd poky
-git checkout tags/yocto-4.0.6 -b yocto-4.0.6-local
+git checkout tags/yocto-5.0.10 -b yocto-5.0.10-local
 ```
 Next source the script as shown below to initialize your build environment for your 64-bit Arm example machine QEMU target:
 
@@ -80,6 +87,12 @@ You will now be in the `build-qemu-arm64` directory which is your build director
 ```bash { cwd="poky" }
 sed -i '/qemuarm64/s/^#//g' conf/local.conf
 ```
+
+**NOTE** On Ubuntu systems with apparmor you will need to allow unprivilaged users for bitbake
+```bash
+echo 0 | sudo tee /proc/sys/kernel/apparmor_restrict_unprivileged_userns
+```
+
 With the right machine now selected, proceed to building the minimal core image for your target.
 
 ```bash { cwd="poky",env_source="poky/oe-init-build-env build-qemu-arm64" }