Difference between revisions of "Change Network Address of Embedded Linux PC"
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1. Log into the Embedded Linux Computer via [[FTP_and_PuTTY_Access|SSH]]. | 1. Log into the Embedded Linux Computer via [[FTP_and_PuTTY_Access|SSH]]. | ||
| − | 2. | + | 2. Use a command line text editor to edit the file (a graphical client like FileZilla will not work since the file is protected). To edit the file you can use a command line text editor like nano or vim: |
| − | <syntaxhighlight lang= | + | <syntaxhighlight lang=bash> |
| − | + | sudo nano /etc/dhcpcd.conf | |
| − | |||
| − | |||
</syntaxhighlight> | </syntaxhighlight> | ||
| − | + | Find and edit the following section in file <code>/etc/dhcpcd.conf</code> | |
<syntaxhighlight lang=bash> | <syntaxhighlight lang=bash> | ||
interface eth0 | interface eth0 | ||
| Line 28: | Line 26: | ||
</syntaxhighlight> | </syntaxhighlight> | ||
| − | + | 3. Reboot the Embedded Linux Computer. | |
| − | + | 4. Make any changes required to your network settings on the Windows PC and/or Router. | |
| − | + | 5. Make the nessesary changes in CPRog / iRC (described below) | |
== Phytec-based controls == | == Phytec-based controls == | ||
Revision as of 14:31, 11 May 2023
Changing the IP address of the embedded Linux PC is highly discouraged, as it is very easy to lock oneself out of the system. Once that happens, only serial terminal access may remain, which requires additional hardware.
Nevertheless this article shows how to do it.
Note: Setting an IP address in the range 169.254.x.x may not work since this is the link local adress range.
Embedded control
The configuration depends on the type of embedded control module:
- Raspberry-Pi: Wide module with only 1 Ethernet port / igus ReBel
- Phytec: Slim module with 2 Ethernet ports
Raspberry Pi-based controls
1. Log into the Embedded Linux Computer via SSH.
2. Use a command line text editor to edit the file (a graphical client like FileZilla will not work since the file is protected). To edit the file you can use a command line text editor like nano or vim:
sudo nano /etc/dhcpcd.conf
Find and edit the following section in file /etc/dhcpcd.conf
interface eth0
static ip_address=192.168.3.11/24
#static ip6_address=fd51:42f8:caae:d92e::ff/64
static routers=192.168.3.1
3. Reboot the Embedded Linux Computer.
4. Make any changes required to your network settings on the Windows PC and/or Router.
5. Make the nessesary changes in CPRog / iRC (described below)
Phytec-based controls
1. Log into the Embedded Linux Computer via SSH.
2. Check what robot Type is referenced in /home/root/TinyCtrl/Data/Projects/EmbeddedCtrl.prj
[...]
<Robot Name="igus Gantry" Type="drylin-gantry\DLE-RG-0001" Homepos="100.0 100.0 20.0 0.0 0.0 0.0"
[...]
3. Edit the file /lib/systemd/network/eth0.network or /lib/systemd/network/10-eth0.network
[Match]
Name=eth0
[Network]
DHCP=ipv4
Address=192.168.3.11/24
[DHCP]
#When CriticalConnection is applied to networkd, the IP address will not
#change after this service was reloaded. Just reboot the system.
CriticalConnection=true
4. Reboot the Embedded Linux Computer.
5. Make any changes required to your network settings on the Windows PC and/or Router.
6. Make the nessesary changes in CPRog / iRC (described below)
CPRog / iRC
CPRog/iRC needs to be configured to connect to the new IP address:
7. Start CPRog/iRC. Do not maximise the Window and check which Project (.prj) file is loaded by looking at the title bar.
8. Close CProg/iRC and open the project file (C:\CProg\Data\Projects\<CATEGORY>\<PROJECTFILE>.prj). Check what robot file is referenced (same as in step 2).
9. Edit the robot file C:\CProg\Data\Robots\<CATEGORY>\<ROBOT_TYPE>\<ROBOT_TYPE>.xml
10. Change the IP address as shown in step 3.
