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XELK-AN-003: Package Management with Yocto

7,661 bytes added, 10:36, 5 April 2019
Installing packages on target
{{AppliesToAxelEsatta}}
{{AppliesToAxelLite}}
{{Applies To Yocto}}
{{InfoBoxBottom}}
{{WarningMessage|text=This application note was validated against specific versions of the kit only. It may not work with other versions. Supported versions are listed in the ''History'' section.}}
==History==
|First release
|-
|1.0.1
|November 2016
|[[Axel_Embedded_Linux_Kit_(XELK)#XELK_software_components|2.2.0]]
|Add SMART commands examples
|-
|3.0.1
|November 2017
|[[Axel_Embedded_Linux_Kit_(XELK)#XELK_software_components|3.0.1]]
|Add SMART commands output
|}
* <code>cortexa9hf_vfp_neon</code> is the name of the channel
* <code>http://myyocto.example.com/cortexa9hf_vfp_neon</code> is the URL of the webserver
 
We assume that network interface has been already configured for Internet access. In any case, a simple network configuration can be done directly on serial console with the following commands:
 
<pre class="board-terminal">
root@imx6qxelk:~# ifconfig eth0 192.168.0.94
root@imx6qxelk:~# route add default gw 192.168.0.254
root@imx6qxelk:~# echo "nameserver 8.8.8.8" > /etc/resolv.conf
</pre>
 
For example:
'''
<pre class="board-terminal">
root@imx6qxelk:~# smart channel --add cortexa9hf_neon type=rpm-md baseurl=http://yocto.dave.eu/xelk-3.0.0/cortexa9hf_neon/
 
Alias: cortexa9hf_neon
Type: rpm-md
Base URL: http://yocto.dave.eu/xelk-3.0.0/cortexa9hf_neon/
 
Include this channel? (y/N): y
</pre>
You can also add a ''local'' directory, for example mounted via NFS directly on target, with the following command:
After you configure the channel and/or update packages feed on server, you need to update smart database:
<preclass="board-terminal">root@imx6qxelk:~# smart updateLoading cache...Updating cache... ############################################################ [100%] Fetching information for 'cortexa9hf_neon'... -> http://yocto.dave.eu/xelk-3.0.0/cortexa9hf_neon/repodata/repomd.xml repomd.xml ############################################################ [ 50%]-> http://yocto.dave.eu/xelk-3.0.0/cortexa9hf_neon/repodata/primary.xml.gz -> http://yocto.dave.eu/xelk-3.0.0/cortexa9hf_neon/repodata/filelists.xml.gz filelists.xml.gz ############################################################ [ 75%]primary.xml.gz ############################################################ [100%] Updating cache... ############################################################ [100%] Channels have 17495 new packages.Saving cache... root@imx6qxelk:~#
</pre>
</pre>
E.g. For example:<codepre class="board-terminal">root@imx6qxelk:~# smart install emacs</code>vim Loading cache...Updating cache... ############################################################ [100%] Computing transaction... Installing packages (6): vim-7.4.769-r0@cortexa9hf_neon vim-syntax-7.4.769-r0@cortexa9hf_neon vim-common-7.4.769-r0@cortexa9hf_neon vim-tutor-7.4.769-r0@cortexa9hf_neon vim-help-7.4.769-r0@cortexa9hf_neon vim-vimrc-7.4.769-r0@cortexa9hf_neon  9.4MB of package files are needed. 26.9MB will be used.
Confirm changes? (Y/n):
 
Fetching packages...
-> http://yocto.dave.eu/xelk-3.0.0/cortexa9hf_neon/vim-vimrc-7.4.769-r0.cortexa9hf_neon.rpm
vim-vimrc-7.4.769-r0.cortexa9hf_neon.rpm ############################################################ [ 16%]
-> http://yocto.dave.eu/xelk-3.0.0/cortexa9hf_neon/vim-syntax-7.4.769-r0.cortexa9hf_neon.rpm
-> http://yocto.dave.eu/xelk-3.0.0/cortexa9hf_neon/vim-tutor-7.4.769-r0.cortexa9hf_neon.rpm
vim-tutor-7.4.769-r0.cortexa9hf_neon.rpm ############################################################ [ 33%]
-> http://yocto.dave.eu/xelk-3.0.0/cortexa9hf_neon/vim-7.4.769-r0.cortexa9hf_neon.rpm
vim-7.4.769-r0.cortexa9hf_neon.rpm ############################################################ [ 50%]
vim-syntax-7.4.769-r0.cortexa9hf_neon.rpm ############################################################ [ 66%]
-> http://yocto.dave.eu/xelk-3.0.0/cortexa9hf_neon/vim-common-7.4.769-r0.cortexa9hf_neon.rpm
-> http://yocto.dave.eu/xelk-3.0.0/cortexa9hf_neon/vim-help-7.4.769-r0.cortexa9hf_neon.rpm
vim-help-7.4.769-r0.cortexa9hf_neon.rpm ############################################################ [ 83%]
vim-common-7.4.769-r0.cortexa9hf_neon.rpm ############################################################ [100%]
 
Committing transaction...
Preparing... ############################################################ [ 0%]
1:Installing vim-vimrc ############################################################ [ 16%]
2:Installing vim-help ############################################################ [ 33%]
3:Installing vim-tutor ############################################################ [ 50%]
4:Installing vim ############################################################ [ 66%]
Output from vim-7.4.769-r0@cortexa9hf_neon:
update-alternatives: Linking /bin/vi to /usr/bin/vim.vim
update-alternatives: Linking /usr/bin/vim to /usr/bin/vim.vim
5:Installing vim-common ############################################################ [ 83%]
6:Installing vim-syntax ############################################################ [100%]
</pre>
The package dependencies will be resolved automatically.
 
== Other useful SMART commands ==
 
A brief guide to SMART command line interface is [http://labix.org/smart/user-guide/Command%20Line%20Interface here]. In the next section we'll show some example of SMART usage.
 
=== Gathering statistics ===
 
To view some information on repositories use <code>smart stats</code>
 
<pre>
root@axel:~# smart stats
Loading cache...
Updating cache... ######################################## [100%]
 
Installed Packages: 331
Total Packages: 11757
Total Provides: 27765
Total Requires: 4798
Total Upgrades: 11704
Total Conflicts: 73
</pre>
 
=== List installed packages ===
 
User can see the list of installed packages with <code>smart query --installed</code>
 
<pre>
root@axel:~# smart query --installed
Loading cache...
Updating cache... ######################################## [100%]
 
alsa-conf-1.0.28-r0@cortexa9hf_vfp_neon
alsa-conf-base-1.0.28-r0@cortexa9hf_vfp_neon
alsa-state-0.2.0-r5@cortexa9hf_vfp_neon
alsa-states-0.2.0-r5@cortexa9hf_vfp_neon
alsa-utils-alsactl-1.0.28-r1@cortexa9hf_vfp_neon
alsa-utils-alsamixer-1.0.28-r1@cortexa9hf_vfp_neon
apm-3.2.2+14-r2@cortexa9hf_vfp_neon
apmd-3.2.2+14-r2@cortexa9hf_vfp_neon
avahi-daemon-0.6.31-r11.1@cortexa9hf_vfp_neon
[...]
</pre>
 
=== List available packages ===
 
To list the available packages into the current configured channels use <code>smart query</code>
 
Please note that this will show all package, it's usually more useful to give it a pattern, e.g.:
 
<pre>
root@axel:~# smart query '*httpd*'
Loading cache...
Updating cache... ######################################## [100%]
 
libmicrohttpd-bin-0.9.34-r0@cortexa9hf_vfp_neon
libmicrohttpd-dbg-0.9.34-r0@cortexa9hf_vfp_neon
libmicrohttpd-dev-0.9.34-r0@cortexa9hf_vfp_neon
libmicrohttpd-doc-0.9.34-r0@cortexa9hf_vfp_neon
libmicrohttpd10-0.9.34-r0@cortexa9hf_vfp_neon
lighttpd-1.4.35-r1@cortexa9hf_vfp_neon
lighttpd-1.4.35-r1@cortexa9hf_vfp_neon
lighttpd-dbg-1.4.35-r1@cortexa9hf_vfp_neon
lighttpd-dev-1.4.35-r1@cortexa9hf_vfp_neon
lighttpd-doc-1.4.35-r1@cortexa9hf_vfp_neon
lighttpd-module-access-1.4.35-r1@cortexa9hf_vfp_neon
[...]
</pre>
== References ==
{{reflist}}
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