Difference between revisions of "DESK-MP1-L/Development/Management of prebuilt packages"

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! colspan="4" style="width:100%; text-align:left" ; border-bottom:solid 2px #ededed" |History
 
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<section end="History" />__FORCETOC__<section begin="Body" />
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__FORCETOC__
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==Introduction==
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<section begin="Body" />
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During the development of custom applications, developers generally realize that they need to add libraries and other software packages to the root file systems to make their code run properly. If these packages are prebuilt, developers can install them onto the root file system very easily. By configuring the target as described in this document, they achieve a user experience similar to the one you have with a desktop Linux distro such as Ubuntu. DESK-MP1-L uses by default the <code>deb</code> package format. As such, [https://itsfoss.com/apt-command-guide/ apt commands] can be used for package management. Prebuilt packages are provided by [https://yocto.dave.eu/desk-mp1-l-1.0.0/ this repository] that DAVE Embedded Systems makes available for its customers.
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==Management of prebuilt packages==
 
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During the development of custom applications, developers generally realize that they need to add libraries and other software packages to the root file systems to make their code run properly. If these packages are prebuilt, developers can install them onto the root file system very easily. By configuring the target as described in this document, they achieve a user experience similar to the one you have with a desktop Linux distro such as Ubuntu. DESK-MP1-L uses by default the <code>deb</code> package format. As such, [https://itsfoss.com/apt-command-guide/ apt commands] can be used for package management. Prebuilt packages are provided by [https://yocto.dave.eu/desk-mp1-l-1.0.1/ this repository] that DAVE Embedded Systems makes available for its customers.
 
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=== apt-get ===
 
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The following instructions detail how to use apt-get for installing packages with Yocto repositories created by DAVE's build system for DESK-MP1-L.
 
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====Configuring <code>apt</code>====
 
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Edit the file <code>/etc/apt/apt.conf</code> like this:
 
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<pre>
 
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root@desk-mp1:~# cat /etc/apt/apt.conf
 
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APT::Architecture "armhf";
 
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APT::Get::AllowUnauthenticated "true";
 
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Acquire::Languages "none";
 
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</pre>
 
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Edit the file <code>/etc/apt/sources.list.d/debian-10.list</code> like this:
 
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<pre class="board-terminal">
 
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root@desk-mp1:~# cat /etc/apt/sources.list.d/debian-10.list
 
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deb [trusted=yes] http://yocto.dave.eu/desk-mp1-l-1.0.1/ all/
 
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deb [trusted=yes] http://yocto.dave.eu/desk-mp1-l-1.0.1/ cortexa7t2hf-neon-vfpv4/
 
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deb [trusted=yes] http://yocto.dave.eu/desk-mp1-l-1.0.1/ desk_mp1/
 
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</pre>
 
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Execute the following commands in order to re-create the ''apt'' cache based on the new server's list:
 
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<pre>
 
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rm -rf /var/lib/apt/lists/*
 
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apt-get clean
 
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apt-get update
 
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</pre>
 
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<pre class="board-terminal">
 
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root@desk-mp1:~# rm -rf /var/lib/apt/lists/*
 
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root@desk-mp1:~# apt-get clean
 
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root@desk-mp1:~# apt-get update
 
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The software package is provided AS IS, and by downloading it, you agree to be bound to the terms of the software license agreement (SLA).
 
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The detailed content licenses can be found at https://wiki.st.com/stm32mpu/wiki/OpenSTLinux_licenses.
 
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Ign:1 http://yocto.dave.eu/desk-mp1-l-1.0.1 all/ InRelease
 
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Ign:2 http://yocto.dave.eu/desk-mp1-l-1.0.1 cortexa7t2hf-neon-vfpv4/ InRelease
 
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Ign:3 http://yocto.dave.eu/desk-mp1-l-1.0.1 desk_mp1/ InRelease
 
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Get:4 http://yocto.dave.eu/desk-mp1-l-1.0.1 all/ Release [1215 B]
 
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Get:5 http://packages.openstlinux.st.com/4.1 kirkstone InRelease [3459 B]
 
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Get:6 http://yocto.dave.eu/desk-mp1-l-1.0.1 cortexa7t2hf-neon-vfpv4/ Release [1235 B]
 
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Get:7 http://yocto.dave.eu/desk-mp1-l-1.0.1 desk_mp1/ Release [1220 B]
 
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Ign:8 http://yocto.dave.eu/desk-mp1-l-1.0.1 all/ Release.gpg
 
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Ign:9 http://yocto.dave.eu/desk-mp1-l-1.0.1 cortexa7t2hf-neon-vfpv4/ Release.gpg
 
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Ign:10 http://yocto.dave.eu/desk-mp1-l-1.0.1 desk_mp1/ Release.gpg
 
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Get:11 http://yocto.dave.eu/desk-mp1-l-1.0.1 all/ Packages [158 kB]
 
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Get:12 http://yocto.dave.eu/desk-mp1-l-1.0.1 cortexa7t2hf-neon-vfpv4/ Packages [4123 kB]
 
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Get:13 http://packages.openstlinux.st.com/4.1 kirkstone/untested armhf Packages [1251 kB]
 
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Get:14 http://yocto.dave.eu/desk-mp1-l-1.0.1 desk_mp1/ Packages [238 kB]
 
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Get:15 http://packages.openstlinux.st.com/4.1 kirkstone/updates armhf Packages [30.9 kB]
 
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Get:16 http://packages.openstlinux.st.com/4.1 kirkstone/main armhf Packages [684 kB]
 
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Fetched 6492 kB in 9s (716 kB/s)
 
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Reading package lists... Done
 
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W: Conflicting distribution: http://yocto.dave.eu/desk-mp1-l-1.0.1 all/ Release (expected all/ but got )
 
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W: Conflicting distribution: http://yocto.dave.eu/desk-mp1-l-1.0.1 cortexa7t2hf-neon-vfpv4/ Release (expected cortexa7t2hf-neon-vfpv4/ but got )
 
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W: Conflicting distribution: http://yocto.dave.eu/desk-mp1-l-1.0.1 desk_mp1/ Release (expected desk_mp1/ but got )
 
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</pre>
 
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Then, modify the cached package list due to the proper DAVE's server configuration:
 
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<pre>
 
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sed -i 's/\.\//cortexa7t2hf-neon-vfpv4\//g' /var/lib/apt/lists/yocto.dave.eu_desk-mp1-l-1.0.1_cortexa7t2hf-neon-vfpv4_Packages
 
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sed -i 's/\.\//all\//g' /var/lib/apt/lists/yocto.dave.eu_desk-mp1-l-1.0.1_all_Packages
 
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sed -i 's/\.\//desk%5fmp1\//g' /var/lib/apt/lists/yocto.dave.eu_desk-mp1-l-1.0.1_desk%5fmp1_Packages
 
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</pre>
 
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=== Installing packages on target ===
 
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We assume that network interface has been already configured for Internet access. In any case, a simple network configuration can be done according to the [[DESK-MP1-L/Deployment/How_to_configure_the_network_interfaces#Static_IP_address | How to configure the network interfaces]] wiki page.
 
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The target is finally ready to install new packages. The following example shows for instance the installation of <code>graphviz</code>:
 
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<pre class="board-terminal">
 
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root@desk-mp1:~# apt-get install graphviz
 
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Reading package lists... Done
 
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Building dependency tree... Done
 
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Reading state information... Done
 
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The following NEW packages will be installed:
 
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  graphviz
 
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0 upgraded, 1 newly installed, 0 to remove and 10 not upgraded.
 
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Need to get 2007 kB of archives.
 
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After this operation, 0 B of additional disk space will be used.
 
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Get:1 http://yocto.dave.eu/desk-mp1-l-1.0.1 cortexa7t2hf-neon-vfpv4/ graphviz 2.50.0-r0.0 [2007 kB]
 
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Fetched 2007 kB in 1s (2522 kB/s)
 
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The software package is provided AS IS, and by downloading it, you agree to be bound to the terms of the software license agreement (SLA).
 
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The detailed content licenses can be found at https://wiki.st.com/stm32mpu/wiki/OpenSTLinux_licenses.
 
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Selecting previously unselected package graphviz.
 
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(Reading database ... 28119 files and directories currently installed.)
 
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Preparing to unpack .../graphviz_2.50.0-r0.0_armhf.deb ...
 
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Unpacking graphviz (2.50.0-r0.0) ...
 
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Setting up graphviz (2.50.0-r0.0) ...
 
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</pre>
 
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=== Other useful apt commands ===
 
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==== List of configured software repositories ====
 
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As shown before, the target is configured for accessing the Yocto repositories as listed in the <code>/etc/apt/sources.list.d</code> apt configuration directory:
 
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<pre class="board-terminal">
 
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root@desk-mp1:~# cat /etc/apt/sources.list.d/debian-10.list
 
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deb [trusted=yes] http://yocto.dave.eu/desk-mp1-l-1.0.1/ all/
 
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deb [trusted=yes] http://yocto.dave.eu/desk-mp1-l-1.0.1/ cortexa7t2hf-neon-vfpv4/
 
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deb [trusted=yes] http://yocto.dave.eu/desk-mp1-l-1.0.1/ desk_mp1/
 
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</pre>
 
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==== Search for packages ====
 
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To search for an available package into the current configured channels use <code>apt-cache search</code>
 
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Please note that this will show all packages, it's usually more useful to grep for a pattern, e.g.:
 
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<pre class="board-terminal">
 
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root@desk-mp1:~# apt-cache search vim
 
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u-boot-tools-mkenvimage - U-Boot bootloader tools
 
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vim-common - Vi IMproved - enhanced vi editor
 
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vim-dev - Vi IMproved - enhanced vi editor - Development files
 
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vim-doc - Vi IMproved - enhanced vi editor - Documentation files
 
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vim-help - Vi IMproved - enhanced vi editor
 
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vim-src - Vi IMproved - enhanced vi editor - Source files
 
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vim-syntax - Vi IMproved - enhanced vi editor
 
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vim-tiny-dev - Vi IMproved - enhanced vi editor  (with tiny features) - Development files
 
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vim-tiny-src - Vi IMproved - enhanced vi editor  (with tiny features) - Source files
 
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vim-tiny - Vi IMproved - enhanced vi editor  (with tiny features)
 
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vim-tools - Vi IMproved - enhanced vi editor
 
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vim-tutor - Vi IMproved - enhanced vi editor
 
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vim-vimrc - Vi IMproved - enhanced vi editor
 
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vim - Vi IMproved - enhanced vi editor
 
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</pre>
 
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==== List of installed packages ====
 
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User can see the list of installed packages with <code>dpkg --get-selections | sed 's:install$::'</code> (sed removes the ''install'' string from the output list)
 
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<pre>
 
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acl
 
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adwaita-icon-theme-symbolic
 
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alsa-conf
 
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alsa-plugins
 
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alsa-plugins-pulseaudio-conf
 
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alsa-state
 
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alsa-state-stm32mp1
 
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alsa-states
 
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alsa-topology-conf
 
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alsa-ucm-conf
 
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...
 
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[snip]
 
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...
 
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weston-init
 
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wget
 
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wireless-regdb-static
 
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wpa-supplicant
 
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wpa-supplicant-cli
 
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wpa-supplicant-passphrase
 
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xinetd
 
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xkeyboard-config
 
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xxhash
 
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xz
 
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</pre>
 
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----
 
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[[Category:ETRA]] [[Category:ETRA_SBC]]
 

Revision as of 08:41, 10 August 2023

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History
Issue Date Notes
August 2023 DESK-MP1-L-1.0.0 release

Contents

Introduction[edit | edit source]

During the development of custom applications, developers generally realize that they need to add libraries and other software packages to the root file systems to make their code run properly. If these packages are prebuilt, developers can install them onto the root file system very easily. By configuring the target as described in this document, they achieve a user experience similar to the one you have with a desktop Linux distro such as Ubuntu. DESK-MP1-L uses by default the deb package format. As such, apt commands can be used for package management. Prebuilt packages are provided by this repository that DAVE Embedded Systems makes available for its customers.

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