67 lines
3.1 KiB
Markdown
67 lines
3.1 KiB
Markdown
+++
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title = "FreeBSD Tips and Tricks"
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date = 2025-06-12
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slug = "freebsd"
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+++
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# GPU Drivers
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On June 10, 2025, the new FreeBSD 14.3 was released and I decided to try it out. After installing the OS from a USB stick on my bare-metal box (very smooth installation process by the way) I was greeted with the TTY login prompt. Using the built-in `pkg` package manager, I installed my favorite window manager, sway, which unfortunately failed to launch with a cryptic error message "No displays found". After looking in the very helpful [FreeBSD Handbook](https://docs.freebsd.org/en/books/handbook/x11/), it turned out that the GPU drivers weren't preinstalled in the OS, so I had to install them manually and add the respective kernel module to automatically load during boot.
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```
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pkg install drm-kmods
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sysrc kld_list+=i915kms # replace by amdgpu if using an AMD GPU
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```
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Unfortunately this was not enough, the system still wasn't able to start the graphics. After looking at the logs for some time, I found out that the version of the kernel modules responsible for the GPU drivers wasn't updated for the latest kernel revision yet. Fortunately, FreeBSD developers have a separate repository called `FreeBSD-kmods` with updated drivers so that I didn't need to compile the ports (BSD lingo for source-based packages) manually. However, this repository wasn't enabled by default, so I had to force the package manager to update from it.
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```
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pkg upgrade -r FreeBSD-kmods
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```
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This was enough to make sway launch (by using `seatd-launch sway`, as the post-install message from the `seatd` package mentioned) and fully use it to the best of its abilities.
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# (Wired) 802.1x authentication
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My university uses an `802.1x` authenticated network (both wired and wireless) on campus, in order to connect to it, I had to use `wpa_supplicant` with the following configuration (`/etc/wpa_supplicant.conf`)
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```
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network={
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key_mgmt=WPA-EAP
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eap=PEAP
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phase1="peaplabel=0"
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phase2="auth=MSCHAPV2"
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identity="user@school.edu"
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password="password"
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}
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```
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After that it was enough to make sure that the wired interface (in my case `em0`) used the supplicant (`/etc/rc.conf`) and restart the network configuration service `netif`:
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```
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sysrc ifconfig_em0="WPA SYNCDHCP" # replace em0 by your interface name
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service netif restart
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```
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TODO: In the current state of things, certificates aren't checked during the connection process. It is a good idea
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# `i3status` not using colors
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This was merely a quality-of-life issue that for some reason `i3status` fails to detect that it should format its output for `swaybar` to parse it, therefore I had to force it in the config (`~/.config/i3status/config`)
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```
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general {
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colors = true
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interval = 5
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output_format = "i3bar"
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}
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```
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# Wireguard
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Since FreeBSD 14, FreeBSD has excellent support for Wireguard VPNs. I just had to install the `wireguard-tools` package (`pkg install wireguard-tools`), copy my config to `/usr/local/etc/wireguard/` and add the following two lines to `/etc/rc.conf` to automatically configure the connection at boot:
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```
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wireguard_enable="YES"
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wireguard_interfaces="wg0"
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```
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