OpenBSD » History » Revision 2
Revision 1 (Willy Manga, 03/25/2025 11:33 PM) → Revision 2/4 (Willy Manga, 03/26/2025 01:05 AM)
h1. OpenBSD Everything we need to know when it comes to this amazing OS. h2. Typical layout Caution: For any upgrade /usr must have at least 1.1G available space!. <pre> a / b swap d: 1000M 3220512 4.2BSD 2048 16384 1 # /tmp e: 2000M 4932608 4.2BSD 2048 16384 1 # /var f: 4000.0M 2395.0M 7479264 4.2BSD 2048 16384 1 # /usr g: 2366.5M 13720480 4.2BSD 2048 16384 1 # /usr/local h: 2227.0M 18567040 4.2BSD 2048 16384 1 # /usr/src i: 5478.0M 23127904 4.2BSD 2048 16384 1 # /usr/obj j: 1000.1M 34346816 4.2BSD 2048 16384 1 # /home k: 2000M 4932608 4.2BSD 2048 16384 1 # /var/log ~ </pre> After genuine install, how it looks like <pre><code class="shell"> rr01# df -h Filesystem Size Used Avail Capacity Mounted on /dev/sd0a 1.6G 100M 1.4G 7% / /dev/sd0j 989M 2.0K 940M 1% /home /dev/sd0d 989M 8.0K 940M 1% /tmp /dev/sd0f 2.3G 1.4G 728M 67% /usr /dev/sd0g 2.2G 144K 2.1G 1% /usr/local /dev/sd0i 3.9G 2.0K 3.7G 1% /usr/obj /dev/sd0h 2.1G 2.0K 2.0G 1% /usr/src /dev/sd0e 1.9G 13.9M 1.8G 1% /var /dev/sd0k 1.9G 24.0K 1.8G 1% /var/log </code></pre> h2. Libvirt To install on a headless debian KVM server (with virt-install ) ... From https://r0tty.org/blog/headless-kvm-openbsd-install/ * use a dedicated folder (e.g /tmp/lab ) * download the install file (iso file) e.g cd72.iso or install72.iso * install @growisofs@ (and @genisoimage@) * create a file where you will insert instructions for openbsd to use the serial console @echo 'set tty com0' > boot.conf@ * update the content of boot.conf with @growisofs -M cd72.iso -l -R -graft-points /etc/boot.conf=boot.conf@ <pre> root@man021-truserv-jhb1-001 /tmp/lab $ growisofs -M bsd74.iso -l -R -graft-points /etc/boot.conf=boot.conf Executing 'genisoimage -C 16,308992 -M /dev/fd/3 -l -R -graft-points /etc/boot.conf=boot.conf | builtin_dd of=bsd74.iso obs=32k seek=19312' I: -input-charset not specified, using utf-8 (detected in locale settings) Rock Ridge signatures found Total translation table size: 0 Total rockridge attributes bytes: 2429 Total directory bytes: 8192 Path table size(bytes): 48 Max brk space used 0 309172 extents written (603 MB) builtin_dd: 192*2KB out @ average infx1352KBps bsd74.iso: copying volume descriptor(s) </pre> * your iso will be updated * launch your installation <pre> virt-install -n openbsd0 --memory 512 --vcpus 1 --cdrom /var/lib/libvirt/images/cd72.1.iso --os-variant openbsd7.0 --disk size=10 --network bridge=br899 --graphics none --console pty,target_type=serial </pre> * it seems for pfSense, you should check this https://www.reddit.com/r/sysadmin/comments/46l9jy/installing_pfsense_on_kvm_cliheadless/