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
    fdisk -iy sd2 #mbr
    disklabel -E sd2
    	Label editor (enter '?' for help at any prompt)
    	sd2> a a			
    	offset: [64]
    	size: [7831488] 1024
    	FS type: [4.2BSD] RAID
    	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
pkg_add -u

firewall

vi /etc/pf.conf

packages

  • pkg_info show all packages installed by pkg_add

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