Notes on OpenBSD setup and usage

There are a few things I do on any OpenBSD desktop, I'm collecting many of them here. This is borrowed from several sources including:

Set caps as ctrl

# wsconsctl keyboard.map+="keysym Caps_Lock = Control_L"

To make this run at boot, add keyboard.map+="keysym Caps_Lock = Control_L" to /etc/wsconsctl.conf.

Still need to add the following to .xsession when you are using xenocara 
setxkbmap -option 'ctrl:nocaps'

Thinkpad Trackpoint scrolling

Enable middle button scrolling with the trackpoint

Add the following to .xsession: 
xinput set-prop "/dev/wsmouse" "WS Pointer Wheel Emulation" 1
xinput set-prop "/dev/wsmouse" "WS Pointer Wheel Emulation Button" 2
xinput set-prop "/dev/wsmouse" "WS Pointer Wheel Emulation Axes" 6 7 4 5
Disable x console
By default xconsole is on the xenocara login screen and stays into X11 
sed -i 's/xconsole/#xconsole/' /etc/X11/xenodm/Xsetup_0
echo 'xset b off' >> /etc/X11/xenodm/Xsetup_0
Update fstab(5) to add noatime:
# cp /etc/fstab /etc/fstab.bak
# sed -i 's/rw/rw,softdep,noatime/' /etc/fstab
Enable apmd(8):
For a laptop enable power management. 
# rcctl enable apmd
# rcctl set apmd flags -A -z 7
# rcctl start apmd
ampd (ok)

To check current battery life run apm(8)

User Settings

Add your username /etc/doas.conf:
# echo 'permit persist keepenv username' > /etc/doas.conf
Add your user to staff group:
Add your user to the staff group. This group has higher resource limits in login.conf. You'll need to log out and back in for this change to take effect. 
usermod -G staff YOUR_USERNAME

Fix Screen Tearing (Intel only)

Pasted from c0ffee.net

The default modesetting driver doesn't use vsync, so you'll get a lot of tearing when scrolling webpages or watching videos. If you have an Intel-based video chipset, you can switch to the intel driver to get smooth video.

Create the /etc/X11/xorg.conf.d directory: 

mkdir /etc/X11/xorg.conf.d

Then, create intel.conf with the following contents: 

/etc/X11/xorg.conf.d/intel.conf
Section "Device"
  Identifier "drm"
  Driver "intel"
  Option "TearFree" "true"
EndSection

Restart xenodm to restart the X server: 

rcctl restart xenodm

My tmux setup

Allows mosh host -- tmux a. Uses C-z

curl https://laydros.net/docs/conf/tmux.conf -o ~/.tmux.conf

Disable SSH access except for key

Update /etc/ssh/sshd_config with the following: 
PermitRootLogin no
PasswordAuthentication no
ChallengeResponseAuthentication no
UsePAM no
Then run: 
 rcctl restart sshd

Updating

Update/Patch System

Update the base system with syspatch(8): 
# syspatch

Update Packages

Update packages with pkg_add(1) -u: 
# pkg_add -u

Upgrade OpenBSD Version

First check the upgrade guide for the version you are upgrading too. Sometimes there are manual changes that must be done. Then simply run sysupgrade(8): 
# sysupgrade
After the upgrade is complete, make sure to run sysmerge(8) in case any config files have changed: 
# sysmerge