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| | Advanced users can also use the well-known [https://en.wikipedia.org/wiki/Dd_(Unix) <code>dd</code>] utility. This tool should be avoided unless the user knows what they are doing. If the target device is not specified properly, <code>dd</code> can wipe out all the data on a host's disk drive! For more details, see for instance [https://opensource.com/article/18/7/how-use-dd-linux this article]. | | Advanced users can also use the well-known [https://en.wikipedia.org/wiki/Dd_(Unix) <code>dd</code>] utility. This tool should be avoided unless the user knows what they are doing. If the target device is not specified properly, <code>dd</code> can wipe out all the data on a host's disk drive! For more details, see for instance [https://opensource.com/article/18/7/how-use-dd-linux this article]. |
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| − | ==Setting up a Yocto prebuilt package repository for <code>apt</code>==
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| − | Occasionally, it is convenient to set up the target for installing <code>.deb</code> packages retrieved from a Yocto repository. The following example shows how to do that on an [[ORCA_SOM|ORCA SOM]]-based target.
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| − | The repository used is located at http://yocto.dave.eu/imx-5.4.70-2.3.0/. The prebuilt packages were generated by Yocto Zeus, which was used to create the distro running on the target as well.
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| − |
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| − | ===Configuring the network subsystem===
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| − | First of all, it is necessary to configure the target's network subsystem in order to access the Internet. In this example, a couple of <code>systemd</code> services are used for this purpose, namely <code>systemd-networkd</code> and <code>systemd-resolved</code>. They were configured by following these steps.
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| − |
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| − | Disable the Connection Manager (ConnMan) sevice to prevent conflict issues:
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| − | <pre class="board-terminal">
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| − | root@orca:~# systemctl disable connman.service
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| − | root@orca:~# systemctl stop connman.service
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| − | [ 5809.162942] imx-dwmac 30bf0000.ethernet eth1: Link is Down
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| − | root@orca:~# systemctl status connman.service
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| − | * connman.service - Connection service
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| − | Loaded: loaded (/lib/systemd/system/connman.service; disabled; vendor preset: enabled)
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| − | Active: inactive (dead)
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| − | </pre>
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| − |
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| − | Create the configuration file for the network interface of interest (<code>eth1</code> in this case). In the example, the file was <code>/etc/systemd/network/20-eth0.network</code>
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| − | <pre class="board-terminal">
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| − | [Match]
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| − | Name=eth1
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| − |
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| − | # Prevent the interface loading if the kernel boots from nfs
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| − | KernelCommandLine=!nfsroot
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| − |
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| − | [Network]
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| − | Address=192.168.0.163/24
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| − | Gateway=192.168.0.254
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| − | DNS=192.168.0.1
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| − | </pre>
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| − |
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| − | Start (or restart) <code>systemd-networkd</code> and <code>systemd-resolved</code>:
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| − | <pre class="board-terminal">
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| − | root@orca:~# systemctl restart systemd-networkd
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| − | root@orca:~# [ 5867.637252] imx-dwmac 30bf0000.ethernet eth1: PHY [stmmac-1:07] driver [Microchip KSZ9131 Gigabit PHY]
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| − | [ 5867.661532] imx-dwmac 30bf0000.ethernet eth1: No Safety Features support found
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| − | [ 5867.668779] imx-dwmac 30bf0000.ethernet eth1: IEEE 1588-2008 Advanced Timestamp supported
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| − | [ 5867.677316] imx-dwmac 30bf0000.ethernet eth1: registered PTP clock
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| − | [ 5867.683639] imx-dwmac 30bf0000.ethernet eth1: configuring for phy/rgmii-id link mode
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| − | [ 5867.692915] 8021q: adding VLAN 0 to HW filter on device eth1
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| − | [ 5867.704764] Micrel KSZ8081 or KSZ8091 30be0000.ethernet-1:03: attached PHY driver [Micrel KSZ8081 or KSZ8091] (mii_bus:phy_addr=30be0000.ethernet-1:03, irq=POLL)
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| − | [ 5871.775856] imx-dwmac 30bf0000.ethernet eth1: Link is Up - 1Gbps/Full - flow control rx/tx
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| − | [ 5871.784156] IPv6: ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
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| − | root@orca:~# systemctl restart systemd-resolved
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| − | </pre>
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| − |
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| − | Both services should be active:
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| − | <pre class="board-terminal">
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| − | root@orca:~# systemctl status systemd-networkd
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| − | * systemd-networkd.service - Network Service
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| − | Loaded: loaded (/lib/systemd/system/systemd-networkd.service; enabled; vendor preset: enabled)
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| − | Active: active (running) since Wed 2021-12-15 21:34:32 UTC; 18s ago
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| − | Docs: man:systemd-networkd.service(8)
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| − | Main PID: 534 (systemd-network)
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| − | Status: "Processing requests..."
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| − | Tasks: 1
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| − | Memory: 2.0M
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| − | CGroup: /system.slice/systemd-networkd.service
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| − | `-534 /lib/systemd/systemd-networkd
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| − |
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| − | Dec 15 21:34:32 orca systemd[1]: Starting Network Service...
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| − | Dec 15 21:34:32 orca systemd-networkd[534]: Enumeration completed
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| − | Dec 15 21:34:32 orca systemd[1]: Started Network Service.
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| − | Dec 15 21:34:32 orca systemd-networkd[534]: eth1: IPv6 successfully enabled
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| − | Dec 15 21:34:32 orca systemd-networkd[534]: eth0: IPv6 successfully enabled
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| − | Dec 15 21:34:36 orca systemd-networkd[534]: eth1: Gained carrier
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| − | Dec 15 21:34:38 orca systemd-networkd[534]: eth1: Gained IPv6LL
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| − | Dec 15 21:34:50 orca systemd-networkd[534]: eth1: Configured
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| − | root@orca:~# systemctl status systemd-resolved
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| − | * systemd-resolved.service - Network Name Resolution
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| − | Loaded: loaded (/lib/systemd/system/systemd-resolved.service; enabled; vendor preset: enabled)
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| − | Active: active (running) since Wed 2021-12-15 21:34:32 UTC; 6s ago
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| − | Docs: man:systemd-resolved.service(8)
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| − | https://www.freedesktop.org/wiki/Software/systemd/resolved
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| − | https://www.freedesktop.org/wiki/Software/systemd/writing-network-configuration-managers
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| − | https://www.freedesktop.org/wiki/Software/systemd/writing-resolver-clients
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| − | Main PID: 542 (systemd-resolve)
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| − | Status: "Processing requests..."
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| − | Tasks: 1
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| − | Memory: 1.4M
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| − | CGroup: /system.slice/systemd-resolved.service
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| − | `-542 /lib/systemd/systemd-resolved
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| − |
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| − | Dec 15 21:34:32 orca systemd[1]: Starting Network Name Resolution...
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| − | Dec 15 21:34:32 orca systemd-resolved[542]: Positive Trust Anchors:
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| − | Dec 15 21:34:32 orca systemd-resolved[542]: . IN DS 19036 8 2 49aac11d7b6f6446702e54a1607371607a1a41855200fd2ce1cdde32f24e8fb5
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| − | Dec 15 21:34:32 orca systemd-resolved[542]: . IN DS 20326 8 2 e06d44b80b8f1d39a95c0b0d7c65d08458e880409bbc683457104237c7f8ec8d
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| − | Dec 15 21:34:32 orca systemd-resolved[542]: Negative trust anchors: 10.in-addr.arpa 16.172.in-addr.arpa 17.172.in-addr.arpa 18.172.in-addr.arpa 19.172.in-addr.arpa>
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| − | Dec 15 21:34:32 orca systemd-resolved[542]: Using system hostname 'orca'.
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| − | Dec 15 21:34:32 orca systemd[1]: Started Network Name Resolution.
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| − | </pre>
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| − |
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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 class="board-terminal">
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| − | APT::Architecture "arm64";
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| − | APT::Get::AllowUnauthenticated "true";
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| − | Acquire::Languages "none";
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| − | </pre>
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| − |
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| − |
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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-mx8mp:~# cat /etc/apt/sources.list.d/debian-10.list
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| − | deb [trusted=yes] http://yocto.dave.eu/imx-5.4.70-2.3.0/ all/
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| − | deb [trusted=yes] http://yocto.dave.eu/imx-5.4.70-2.3.0/ aarch64/
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| − | deb [trusted=yes] http://yocto.dave.eu/imx-5.4.70-2.3.0/ aarch64-mx8mp/
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| − | </pre>
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| − |
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| − |
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| − | Execute the following commands:
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| − | <pre class="board-terminal">
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| − | root@desk-mx8mp:~# rm -rf /var/lib/apt/lists/*
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| − | root@desk-mx8mp:~# apt-get clean
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| − | root@orca:~# apt-get update
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| − | 0% [Working]
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| − | Ign:1 http://yocto.dave.eu/imx-5.4.70-2.3.0 all/ InRelease
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| − | Ign:2 http://yocto.dave.eu/imx-5.4.70-2.3.0 aarch64/ InRelease
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| − | Ign:3 http://yocto.dave.eu/imx-5.4.70-2.3.0 aarch64-mx8mp/ InRelease
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| − | Get:4 http://yocto.dave.eu/imx-5.4.70-2.3.0 all/ Release [1213 B]
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| − | Get:5 http://yocto.dave.eu/imx-5.4.70-2.3.0 aarch64/ Release [1217 B]
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| − | Get:6 http://yocto.dave.eu/imx-5.4.70-2.3.0 aarch64-mx8mp/ Release [1223 B]
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| − | Ign:7 http://yocto.dave.eu/imx-5.4.70-2.3.0 all/ Release.gpg
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| − | Ign:8 http://yocto.dave.eu/imx-5.4.70-2.3.0 aarch64/ Release.gpg
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| − | Ign:9 http://yocto.dave.eu/imx-5.4.70-2.3.0 aarch64-mx8mp/ Release.gpg
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| − | Get:10 http://yocto.dave.eu/imx-5.4.70-2.3.0 all/ Packages [146 kB]
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| − | Get:11 http://yocto.dave.eu/imx-5.4.70-2.3.0 aarch64/ Packages [2848 kB]
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| − | Get:12 http://yocto.dave.eu/imx-5.4.70-2.3.0 aarch64-mx8mp/ Packages [283 kB]
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| − | Fetched 3280 kB in 6s (545 kB/s)
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| − | Reading package lists... Done
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| − | root@orca:~# sed -i 's/\.\//aarch64\//g' /var/lib/apt/lists/yocto.dave.eu_imx-5.4.70-2.3.0_aarch64_Packages
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| − | root@orca:~# sed -i 's/\.\//all\//g' /var/lib/apt/lists/yocto.dave.eu_imx-5.4.70-2.3.0_all_Packages
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| − | root@orca:~# sed -i 's/\.\//aarch64-mx8mp\//g' /var/lib/apt/lists/yocto.dave.eu_imx-5.4.70-2.3.0_aarch64-mx8mp_Packages
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| − | </pre>
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| − |
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| − |
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| − | The target is finally ready to install new packages. The following example shows for instance the installation of <code>vim</code>:
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| − | <pre class="board-terminal">
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| − | root@orca:~# sudo apt-get install vim
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| − | Reading package lists... Done
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| − | Building dependency tree
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| − | Reading state information... Done
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| − | The following additional packages will be installed:
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| − | vim-common vim-help vim-syntax vim-tutor vim-vimrc
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| − | The following NEW packages will be installed:
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| − | vim vim-common vim-help vim-syntax vim-tutor vim-vimrc
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| − | 0 upgraded, 6 newly installed, 0 to remove and 20 not upgraded.
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| − | Need to get 6584 kB of archives.
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| − | After this operation, 0 B of additional disk space will be used.
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| − | Do you want to continue? [Y/n] Y
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| − | Get:1 http://yocto.dave.eu/imx-5.4.70-2.3.0 aarch64/ vim 8.1.1518-r0 [1051 kB]
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| − | Get:2 http://yocto.dave.eu/imx-5.4.70-2.3.0 aarch64/ vim-common 8.1.1518-r0 [2314 kB]
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| − | Get:3 http://yocto.dave.eu/imx-5.4.70-2.3.0 aarch64/ vim-help 8.1.1518-r0 [1757 kB]
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| − | Get:4 http://yocto.dave.eu/imx-5.4.70-2.3.0 aarch64/ vim-syntax 8.1.1518-r0 [1049 kB]
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| − | Get:5 http://yocto.dave.eu/imx-5.4.70-2.3.0 aarch64/ vim-tutor 8.1.1518-r0 [411 kB]
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| − | Get:6 http://yocto.dave.eu/imx-5.4.70-2.3.0 aarch64/ vim-vimrc 8.1.1518-r0 [1596 B]
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| − | Fetched 6584 kB in 9s (660 kB/s)
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| − | Selecting previously unselected package vim.
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| − | (Reading database ... 71726 files and directories currently installed.)
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| − | Preparing to unpack .../vim_8.1.1518-r0_arm64.deb ...
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| − | Unpacking vim (8.1.1518-r0) ...
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| − | Selecting previously unselected package vim-common.
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| − | Preparing to unpack .../vim-common_8.1.1518-r0_arm64.deb ...
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| − | Unpacking vim-common (8.1.1518-r0) ...
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| − | Selecting previously unselected package vim-help.
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| − | Preparing to unpack .../vim-help_8.1.1518-r0_arm64.deb ...
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| − | Unpacking vim-help (8.1.1518-r0) ...
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| − | Selecting previously unselected package vim-syntax.
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| − | Preparing to unpack .../vim-syntax_8.1.1518-r0_arm64.deb ...
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| − | Unpacking vim-syntax (8.1.1518-r0) ...
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| − | Selecting previously unselected package vim-tutor.
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| − | Preparing to unpack .../vim-tutor_8.1.1518-r0_arm64.deb ...
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| − | Unpacking vim-tutor (8.1.1518-r0) ...
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| − | Selecting previously unselected package vim-vimrc.
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| − | Preparing to unpack .../vim-vimrc_8.1.1518-r0_arm64.deb ...
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| − | Unpacking vim-vimrc (8.1.1518-r0) ...
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| − | Setting up vim (8.1.1518-r0) ...
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| − | update-alternatives: Linking /bin/vi to /usr/bin/vim.vim
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| − | update-alternatives: Linking /usr/bin/vim to /usr/bin/vim.vim
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| − | update-alternatives: Linking /usr/bin/xxd to /usr/bin/xxd.vim
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| − | Setting up vim-common (8.1.1518-r0) ...
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| − | Setting up vim-help (8.1.1518-r0) ...
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| − | Setting up vim-syntax (8.1.1518-r0) ...
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| − | Setting up vim-tutor (8.1.1518-r0) ...
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| − | Setting up vim-vimrc (8.1.1518-r0) ...
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| − | </pre>
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