openbsd

setting up new system

pre install

  • softraid encryption with keydisk
  • select (S)hell from install menu 
    cd /dev && sh MAKEDEV sd0
dd if=/dev/urandom of=/dev/rsd0c bs=1m
fdisk -iy sd0 #mbr
disklabel -E sd0
	Label editor (enter '?' for help at any prompt)
	sd0> a a
	offset: [64]
	size: [976773104] *
	FS type: [4.2BSD] RAID
	sd0*> w
	sd0> q
	No label changes.
sh MAKEDEV sd2 #keydisk
dd if=/dev/urandom of=/dev/rsd0c bs=1m
fdisk -iy sd2 #mbr
disklabel -E sd2
	Label editor (enter '?' for help at any prompt)
	sd2> a a
	offset: [64] 31205376 #total - 2048
	size: [2048] 1024
	FS type: [4.2BSD] RAID
	sd2*> w
	sd2> a b
	offset: [64] 31206400 #total - 1024
	size: [1024] *
	fs type: [swap] RAID
	sd2*> w
	sd2> a i
	offset: [64]
	size: [31205312] *
	fs type: [swap] msdos
	sd2*> w
	sd2> q
	No label changes.
bioctl -c C -k sd2a -l sd0a softraid0
sh MAKEDEV sd3 #softraid
dd if=/dev/zero of=/dev/rsd3c bs=1m count=1
exit
  • continue with [installation][], selecting softraid disk (sd3) for install

post install

echo "permit nopass <username> > /etc/doas.conf
doas pkg_add -u
doas pkg_add \
	git \
	vim \
	herbstluftwm \
	rxvt-unicode \
	stow \
	zsh \
	unclutter \
	xbindkeys \
	keychain \
	dmenu \
	gnupg \
	irssi \
	qutebrowser \
	sacc \
	xcape \
	mpv \
	wget \
	mosh \
	clipmenu
doas ln -s /usr/local/bin/zsh /usr/bin/zsh
git clone git://git.pyratebeard.net/dotfiles.git dot
cd dot
stow *
mkdir ~/.fonts
cd ~/.fonts
wget https://pyratebeard.net/trigon-font/trigon8x15r.bdf
# cp .xinitrc to .xsession
doas chsh pyratebeard
# urxvt LANG
mkdir lib src/warez tmp var

changes to dotfiles

  • herbstluftwm needs to use bash not sh
  • gpg-agent pinentry path
  • ls(1) has no color option

wifi

  • on arch 

    lftp "http://firmware.openbsd.org/firmware/7.2/"
cd ok, cwd=/firmware/7.2
lftp firmware.openbsd.org:/firmware/7.2> mget *
69709649 bytes transferred in 124 seconds (549.2 KiB/s)
Total 26 files transferred
lftp firmware.openbsd.org:/firmware/7.2> quit
quit
cd ../
tar czf ./firmware.tgz openbsd_firmware
scp firmware.tgz laptop:

  • in openbsd 

    tar xzf firmware.tgz
doas fw_update -p openbsd_firmware/
doas vi /etc/hostname.iwm0
	join "<ssid>" wpakey "<password>"
	#join "<ssid>" wpakey "<password>"
	#join "<ssid>" wpakey "<password>"
	inet autoconf
doas sh /etc/netstart iwm0

gui

firewall

vi /etc/pf.conf

packages

  • pkg_info show all packages installed by pkg_add
  • use pkg_info -Q <package_name> or pkglocate <package_name> (requires installing pkglocatedb) for searching
  • mirror in /etc/installurl
  • update system with syspatch
  • update all pkgs outside of base (i.e. ports) with pkg_add -u
  • system upgrade with sysupgrade

daemons

rcctl ls all
rcctl start sshd

devices

  • list attached devices 
    sysctl hw.diskcount
sysctl hw.disknames
  • read/write disklabels 
    disklabel <device>
  • creating msdos partition 
    disklabel -E <disk>
	Label editor (enter '?' for help at any prompt)
	sd2> a b			
	offset: [1088]
	size: [7830464] *
	FS type: [4.2BSD] msdos
	sd2*> w
	sd2> q
	No label changes.
newfs_msdos /dev/rsd2b

misc

  • hostname - /etc/myname
  • changing terminal font
    • on arch
    pacman -S cabel-install ghc
git clone "https://github.com/polachok/bdf2wscons"
cd bdf2wscons
cabel install
bdf2wscons trigon8x15.bdf >

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