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| Software developer over several open source languages
| | [[AFT installation]] |
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| === Setup harness server ===
| | [[Manteiner python3-numpy]] |
| ==== OS Installation ====
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| The linux distribution utilized as harness server during this setup is Ubuntu yakkety.
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| ==== Firewall configuration ====
| | [[Arduino Single power control unit]] |
| Firewall configuration is not provided, it is recommended that the testing harness is only kept in a trusted network.
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| To check if no firewall are configured over testing-harness, we can expect a similar output when inquiring iptables...
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| <pre>
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| root@testing-harness:~# iptables -L && iptables -t nat -L
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| Chain INPUT (policy ACCEPT)
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| target prot opt source destination
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| Chain FORWARD (policy ACCEPT)
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| target prot opt source destination
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| Chain OUTPUT (policy ACCEPT)
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| target prot opt source destination
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| Chain PREROUTING (policy ACCEPT)
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| target prot opt source destination
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| Chain INPUT (policy ACCEPT)
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| target prot opt source destination
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| Chain OUTPUT (policy ACCEPT)
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| target prot opt source destination
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| Chain POSTROUTING (policy ACCEPT)
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| target prot opt source destination
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| </pre>
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| ==== Setup Security shell ====
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| OpenSSH is a freely available version of the Secure Shell (SSH) protocol family of tools for remotely controlling, or transferring files between, computers. That's why it is required its installation upon testing-harness server.
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| <pre>
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| root@testing-harness:~# aptitude install openssh-server
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| </pre>
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| ==== Setup NFS ====
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| AFT applies Network file system to share /home/tester directory where images and other files used in flashing for PC-devices within AFT net can be found.
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| ===== NFS is installed ? =====
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| To check if the NFS server is installed, we can do...
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| <pre>
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| root@testing-harness:~# dpkg -l | grep nfs-kernel-server
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| </pre>
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| ===== How to install NFS ? =====
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| To install NFS these are the required packages...
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| <pre>
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| root@testing-harness:~# aptitude install nfs-kernel-server
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| The following NEW packages will be installed:
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| keyutils{a} libnfsidmap2{a} libtirpc1{a} nfs-common{a} nfs-kernel-server
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| rpcbind{a}
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| 0 packages upgraded, 6 newly installed, 0 to remove and 459 not upgraded.
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| Need to get 470 kB of archives. After unpacking 1 884 kB will be used.
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| Do you want to continue? [Y/n/?]
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| </pre>
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| ===== Sharing /home/tester directory =====
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| <pre>
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| root@testing-harness:~# mkdir -p /home/tester
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| root@testing-harness:~# echo '/home/tester 192.168.1.0/24 (crossmnt,ro,root_squash,sync,no_subtree_check)' >> /etc/exports
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| </pre>
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| ==== Setup DNS cache and DHCP server for AFT net ====
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| DNSmasq provides two services, either of which can be used independently.
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| # DNS service
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| # DHCP service
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| A local DNS cache can speed up internet browsing because the user's applications will not need to access a domain name server when it looks up a domain name the computer has visited before.
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| ===== How to install dnsmasq ? =====
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| To install dnsmasq these are the required packages...
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| <pre>
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| root@testing-harness:~# aptitude install dnsmasq
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| The following NEW packages will be installed:
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| dns-root-data{a} dnsmasq dnsmasq-base{a}
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| 0 packages upgraded, 3 newly installed, 0 to remove and 459 not upgraded.
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| Need to get 0 B/329 kB of archives. After unpacking 886 kB will be used.
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| Do you want to continue? [Y/n/?
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| </pre>
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| At the sametime we have set up a simple DNS server. To test it, use your favorite DNS lookup tool pointed at localhost
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| <pre>
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| root@testing-harness:~# nslookup yoctoproject.org localhost
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| Server: localhost
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| Address: 127.0.0.1#53
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| Non-authoritative answer:
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| Name: yoctoproject.org
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| Address: 140.211.169.56
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| </pre>
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| ===== Configure DHCP server =====
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| To enable the DHCP server of AFT net, you will need to give it a range of IP addresses to hand out. The AFT net server would hand out 92 address starting at 192.168.1.2 and ending at 192.168.1.99.
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| <pre>
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| root@testing-harness:~# echo 'dhcp-range=192.168.1.2,192.168.1.99,10m' >> /etc/dnsmasq.conf
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| </pre>
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| To tell dnsmasq which ethernet interface it can and cannot listen on.
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| <pre>
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| root@testing-harness:~# echo 'interface=eno1' >> /etc/dnsmasq.conf
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| </pre>
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| During the creation of this document the interface eno1 is the unique one connected to AFT net.
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| ===== AFT and its relation with dnsmasq.leases =====
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| As of dhcp server is up and running. AFT shall utilize dhcp-server's active ip leasing information to determine device IP address of PC-devices over AFT net. By default it is found upon /var/lib/misc/dnsmasq.leases
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| <pre>
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| root@testing-harness:~# cat /var/lib/misc/dnsmasq.leases
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| 1417132679 78:c5:e5:b4:4d:07 192.168.1.99 minox-fbe390b0bb404da *
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| 1417134678 20:54:76:e4:d8:a5 192.168.1.57 minoy-ab6e5d0a524c9c7d *
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| ......
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| .......
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| ........ and so on...
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| </pre>
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| Above a common dnsmasq.leases file.
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