sdk/make-web
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Update 2023-11-06 11:26:38

Browse Source
This commit is contained in:
c0dev0id 2023-11-06 11:26:40 +01:00
parent 8ae56116a0
commit a8c4d51ffd
1 changed files with 16 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
src/posts/2023-11-06-OpenBSD_laptop_network_setup.pm
View File

@ -7,7 +7,7 @@ Note, each of the commands comes with a man page, which I encourage you to read.
List available network devices and configuration List available network devices and configuration
``` ```
ifconfig # ifconfig
``` ```
Typical ethernet devices are `em0`, `bge0`, `re0`. Look at the manpage of [em(4)](https://man.openbsd.org/em.4), [bge(4)](https://man.openbsd.org/bge.4) or any other device you might find to learn about what it is. Typical ethernet devices are `em0`, `bge0`, `re0`. Look at the manpage of [em(4)](https://man.openbsd.org/em.4), [bge(4)](https://man.openbsd.org/bge.4) or any other device you might find to learn about what it is.
@ -15,7 +15,7 @@ Typical ethernet devices are `em0`, `bge0`, `re0`. Look at the manpage of [em(4)
You can configure these devices with You can configure these devices with
``` ```
ifconfig <device> <option> # ifconfig <device> <option>
``` ```
Read [ifconfig(8)](https://man.openbsd.org/ifconfig.8) to learn about available options. Read [ifconfig(8)](https://man.openbsd.org/ifconfig.8) to learn about available options.
@ -23,19 +23,19 @@ Read [ifconfig(8)](https://man.openbsd.org/ifconfig.8) to learn about available
In a typical home network with dhcp, you would type something like this In a typical home network with dhcp, you would type something like this
``` ```
ifconfig em0 inet autoconf # ifconfig em0 inet autoconf
``` ```
If you want to add IPv6 connectivity do the same with "inet6" If you want to add IPv6 connectivity do the same with "inet6"
``` ```
ifconfig em0 inet6 autoconf # ifconfig em0 inet6 autoconf
``` ```
As a last step, you need to activate the device As a last step, you need to activate the device
``` ```
ifconfig em0 up # ifconfig em0 up
``` ```
## Manuel Wireless Device Setup ## Manuel Wireless Device Setup
@ -45,21 +45,21 @@ Typical wireless devices are `run0`, `iwx0`, `iwn0`, `iwm0`. They have manpages
You connect a wireless device to your network without You connect a wireless device to your network without
``` ```
ifconfig iwx0 nwid MyNetworkSSID wpakey MyWifiPassword # ifconfig iwx0 nwid MyNetworkSSID wpakey MyWifiPassword
``` ```
Once this is done, the configuration can continue like with an ethernet device Once this is done, the configuration can continue like with an ethernet device
``` ```
ifconfig iwx0 inet autoconf # ifconfig iwx0 inet autoconf
ifconfig iwx0 inet6 autoconf # for IPv6 # ifconfig iwx0 inet6 autoconf # for IPv6
ifconfig iwx0 up # ifconfig iwx0 up
``` ```
To remove the IPv6 configuration from an interface, you can do To remove the IPv6 configuration from an interface, you can do
``` ```
ifconfig iwx0 -inet6 # ifconfig iwx0 -inet6
``` ```
Most confgurations can be removed this way. Most confgurations can be removed this way.
@ -70,7 +70,7 @@ Most confgurations can be removed this way.
If you changed the `/etc/hostname.*` files, you can reconfigure the network with the netstart shell script If you changed the `/etc/hostname.*` files, you can reconfigure the network with the netstart shell script
``` ```
sh /etc/netstart # sh /etc/netstart
``` ```
Note that this script adds the confguration to devices as specified. If you remove a `/etc/hostname.*` file, netstart will not know about this device and ignore it. Note that this script adds the confguration to devices as specified. If you remove a `/etc/hostname.*` file, netstart will not know about this device and ignore it.
@ -83,7 +83,7 @@ The concept of storing the network device setup is decribed in the manpage [host
A typical configuration for a wireless device would look like this A typical configuration for a wireless device would look like this
``` ```
cat /etc/hostname.iwx0 # cat /etc/hostname.iwx0
join MyHomeNetworkSSID wpakey MyHomeWifiPassword join MyHomeNetworkSSID wpakey MyHomeWifiPassword
join MyWorkNetworkSSID wpakey MyWorkWifiPassword join MyWorkNetworkSSID wpakey MyWorkWifiPassword
inet autoconf inet autoconf
@ -98,13 +98,13 @@ Note that I added two `join` commands here instead of `nwid`. The difference is,
You can clear the join list just like you can remove any other configuration from a device. You can clear the join list just like you can remove any other configuration from a device.
``` ```
ifconfig iwx0 -join # ifconfig iwx0 -join
``` ```
This `/etc/hostname.<device>` based configuration makes it easy to copy configuration to another device This `/etc/hostname.<device>` based configuration makes it easy to copy configuration to another device
``` ```
cp /etc/hostname.iwx0 /etc/hostname.run0 # cp /etc/hostname.iwx0 /etc/hostname.run0
``` ```
## Switching between Wifi and Ethernet without interrupting the connection ## Switching between Wifi and Ethernet without interrupting the connection
@ -114,7 +114,7 @@ You can create a [trunk(4)](https://man.openbsd.org/trunk.4) device, which inter
For this to work, we need three configurations and you should be able to understand most of it. For this to work, we need three configurations and you should be able to understand most of it.
``` ```
cat /etc/hostname.em0 # cat /etc/hostname.em0
up up
cat /etc/hostname.iwx0 cat /etc/hostname.iwx0
@ -122,7 +122,7 @@ join MyHomeNetworkSSID wpakey MyHomeWifiPassword
join MyWorkNetworkSSID wpakey MyWorkWifiPassword join MyWorkNetworkSSID wpakey MyWorkWifiPassword
up up
cat /etc/hostname.trunk0 # cat /etc/hostname.trunk0
trunkproto failover trunkproto failover
trunkport em0 trunkport em0
trunkport iwx0 trunkport iwx0