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1538ec33f7
* Rework assigning hostname and service files * docs: small fix in hostname article * Correct path to setup.bash in clever.service * docs: correct ip in hostname article * init_rpi: put normal and .local hostname on one line in hosts * docs: add English version of hostname article * clever.service: use sh instead of bash * docs: Spellcheck english version, add note about hostname vs SSID * clever.service: return roscore requirement back
32 lines
1.2 KiB
Markdown
32 lines
1.2 KiB
Markdown
# Hostname
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[By default](microsd_images.md) the hostname of the Clever drone is set to `clever-xxxx`, where `xxxx` are random numbers. These numbers are the same as in the [Wi-Fi SSID](wifi.md).
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Thus, Clever is accessible on machines that support mDNS as `clever-xxxx.local`. You can use this name to access Clever over SSH:
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```bash
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ssh pi@clever-xxxx.local
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```
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Also, this name can be used in place of IP-address to open Clever web pages in browser, accessing ROS master, etc.
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## Changing hostname
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In some situations it is necessary to change Clever's hostname. You can use the `hostnamectl` utility for that:
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```bash
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sudo hostnamectl set-hostname newname
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```
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Where `newname` is the new name of the machine. `hostnamectl` utility will change the name in `/etc/hostname` file.
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You should also put the new name to `/etc/hosts` file:
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```txt
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127.0.1.1 newname newname.local
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```
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Setting `newname.local` is necessary to allow ROS to resolve this name in situations where all the network interfaces are down (when Wi-Fi is turned off or disconnected).
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> **Note** Changing the hostname does not affect the Wi-Fi SSID (and vice versa, changing the Wi-Fi SSID won't affect the hostname).
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