====== Introduction ====== :!: Update of [[os:openbsd:x230t|Install OpenBSD 5.9]] updated to openBSD 6.7 Tired of Systemd and some other layers in Linux, I will try to install OpenBSD my x230 Tablet, encrypting partitions with a key stored on a SD card/USBkey. (hello NSA)\\ I will use an openBSD67.\\ The x230 is modified, I added a mSATA drive (sd1) and changed the 500GB drive to a 1TB SSD(sd0) .\\ I removed totally Windows as I don't use it. ====== Downloads ======Lenovo X230T Install - Encrypted [[http://www.openbsd.org/ftp.html#http|Install67.iso]] take the install*.fs for USB keys ====== disk Layout ====== I will use the following schema: * mSATA (sd1) 256GB for / * SATA (sd0) 1000GB for swap/var/home ^ Disk ^ Partition ^ Format ^ Size ^ Mount Point ^ |1 | 1 | RAID | 230GB | / | |1 | 2 | none | 26GB | fake trim | |0 | 1 | swap | 16GB | OpenBSD swap | |0 | 2 | RAID | 950GB | /var, /tmp and /home | ====== Installation ====== Boot from the iso/usb key\\ Select the shell (by type '**s**') when arriving on the following:\\ (I)nstall, (U)pgrade, (A)utoinstall, (S)hell?\\ ===== Disk partitionning ===== to know what disks are recognised sysctl hw.disknames We will create the above partitions using fdisk/disklabel tools.\\ \\ fdisk -iy sd1 the output is fdisk ; sd1: No such file or directory Let's create the device cd /dev sh ./MAKEDEV sd0 sd1 An run again: fdisk -iy sd1 the output is largely nicer: Writing MBR at offset 0. fdisk -iy sd0 Let's partition sd0 and sd1 disklabel -E sd1 sd1> a partition: [a] offset: [64] size: [500103386] 95% FS type: [4.2BSD] RAID sd1*> w sd1> q Done for sd1 (I leave 5% free for TRIM as I got no clear details whether or not I need it or not if it is working or not and well 95% of 256GB should be enough for / :-) )\\ Let's partition sd0 disklabel -E sd0 sd0> a partition: [a] offset: [0] size: [976773168] 16g FS type: [4.2BSD] swap sd0> a partition: [b] offset: [33559785] size: [943213383] FS type: [swap] RAID sd0*> w sd0> q Here we do 2 partitions, swap (already encrypted) and a RAID one that will contained /var /tmp and /home) ===== SDcard/USBkey partitioning ===== Plug in your SD card/ USB stick, here it is named sd2 cd /dev sh ./MAKEDEV sd2 dd if=/dev/urandom of=/dev/rsd2c bs=1m Don't forget to create the MBR fdisk -iy sd2 We just need around 1MB for the key so I will just create two very small partitions (d and e). disklabel -E sd2 sd2> a partition: [a]d offset: [64] size: [124735488] 2m FS type: [4.2BSD] RAID sd2> a partition: [a]e offset: [16065] size: [124735488] 2m FS type: [4.2BSD] RAID > w > q ===== Let's encrypt ===== So for now we have sd1(m-sata)/sd0(SSD)/sd2(USB key)\\ Next step is an all-in-one step: we will encrypt sd1a and sd0b as softraid0 and save the key on the SD card. bioctl -c C -C force -k sd2d -l sd0b softraid0 bioctl -c C -C force -k sd2e -l sd1a softraid0 Note: http://www.tedunangst.com/flak/post/OpenBSD-softraid-crypto-boot \\ Note 2: if you don't put **-C force** you might end up with \\ openbsd softraid0 chunk already in use Output will be something like: sd3 at scsibus1 targ 1 lun 0: sd3: 937482MB, 512 bytes/sector, 1919964855 sectors softraid0: CRYPTO volume attached as sd3 and sd4 at scsibus1 targ 2 lun 0: sd4: 244190MB, 512 bytes/sector, 50010858 sectors softraid0: CRYPTO volume attached as sd4 We create the devices: cd /dev sh MAKEDEV sd3 sd4 Good practice, erase first MegaByte: dd if=/dev/zero of=/dev/rsd3c bs=1m count=1 dd if=/dev/zero of=/dev/rsd4c bs=1m count=1 So now we have sd3 and sd4 which we will use during the installation. ===== Install ===== Let's go back to the installation /install Select layout, configure network[em0], root password, sshd, timezone, user(s)…\\ When at the partitioning point, select the 2 new device (sd3 and sd4 in my case).\\ Which disk is the root disk? [sd0] sd3 Use (W)hole disk MBR, whole disk (G)PT or (E)dit? [whole]W [… auto partitions schema …] Use (A)uto layout, (E)dit auto layout, or create (C)ustom layout? [a] c sd3> a partition: [a]a offset: [64] size: [475106246] FS type: [4.2BSD] mount point: [none] / > w > q We do the same for sd4 (/var /tmp and /home) which disk do you wish to initialize? [done] sd4 Use (W)hole disk MBR, whole disk (G)PT or (E)dit? [whole]W sd4> a partition: [a]a offset: [64] size: [943208216] 20g FS type: [4.2BSD] mount point: [none] /var sd4> a partition: [b] offset: [41945696] size: [901262584] 10g FS type: [swap] 4.2BSD mount point: [none] /tmp sd4> a partition: [d] offset: [62910528] size: [880297752] FS type: [4.2BSD] mount point: [none] /home > w > q And voilà. which disk do you wish to initialize? [done] Install the sets\\ http\\ no proxy\\ cdn.openbsd.org\\ /pub/OpenBSD/6.7/amd64\\ -game*\\ Installation should finish with a success, but **__DO NOT REBOOT YET__** ===== Final touch ===== We will tweak quickly the fstab to add the swap partition as well as some parameters: sed 's/rw/rw,softdep,noatime/g' /mnt/etc/fstab > /mnt/a echo '/dev/sd0a none swap sw 0 0' >> /mnt/a mv /mnt/a /mnt/etc/fstab Still in ~/.xsession # activate scroll wheel button xinput set-prop "/dev/wsmouse" "WS Pointer Wheel Emulation" 0 xinput set-prop "/dev/wsmouse" "WS Pointer Wheel Emulation Axes" 6 7 4 5 xinput set-prop "/dev/wsmouse" "WS Pointer Wheel Emulation Button" 2 xinput set-prop "/dev/wsmouse" "WS Pointer Wheel Emulation Timeout" 50 xinput set-prop "/dev/wsmouse" "WS Pointer Wheel Emulation Inertia" 3 Done, everything is ready! ready to reboot reboot The trick for all this installation is that all sd* MUST have MBR otherwise you get an error like openbsd softraid0: not valid softraid metadata or openbsd installboot: invalid boot record signature 0x0000 @ sector 0 Failed to install bootblocks -hyper Solution for the above errors: dd if=/dev/zero of=/dev/rsdXc bs=10m count=1 then repartition ====== Backup of the Keys ====== dd if=/dev/rsd2d of=key1.img bs=1m dd if=/dev/rsd2e of=key2.img bs=1m ====== Switching to -current ====== Optional, but thrilling! cd / mv /bsd.rd /bsd.rd.sav wget http://mirror.switch.ch/ftp/pub/OpenBSD/snapshots/amd64/bsd.rd Reboot reboot At boot prompt type: boot> boot bsd.rd Then use the "upgrade" method, give your keyboard layout, your root device/partition.\\ When upgrade is done, type again "reboot".\\ Once reboot use sysmerge to merge/check modifications sysmerge And voilà ! you are in -current ====== Laptop tweaks ====== ===== apm ===== In order to keep some battery: vi /etc/rc.conf.local add apmd_flags="-A" # Set apmd(8) to automatic performance adjustment mode. apmd_enable="YES" or rcctl enable apmd rcctl set apmd flags -A rcctl start apmd ===== desktop reactivity ===== In /etc/rc.conf.local add: multicast_host=YES ntpd_flags="-s" hotplugd_flags="" In /etc/login.conf change: :datasize-max=512M:\ :datasize-cur=512M:\ by (at least) :datasize-max=1024M:\ :datasize-cur=1024M:\ Reference: http://www.bsdnow.tv/tutorials/the-desktop-obsd ====== Xorg ====== All set nicely ===== Touchpad ===== In your ~/.xsession #!/bin/sh # deactivate touchpad synclient TouchpadOff=1 ===== Scrolling ===== # increase pointer speed xinput set-prop "/dev/wsmouse" "Device Accel Constant Deceleration" 0.4 ====== Locales ====== Still in ~/.xsession # set locale export LC_CTYPE="en_US.UTF-8" export LC_MESSAGES="en_US.UTF-8" ====== Network ====== First download everything needed: syspatch fw_update ifconfig is your friend!\\ Simple example: ifconfig iwn0 nwid "my nice wifi" wpakey "4m4z1ngP4$$" up then if all is ok: dhclient iwn0 You can scan networks (wifi) ifconfig iwn0 scan ===== Failover network ===== ===== local DNS ===== ====== Security ====== ===== PF ===== Basic rules in your /etc/pf.conf # $OpenBSD: pf.conf,v 1.54 2014/08/23 05:49:42 deraadt Exp $ # # See pf.conf(5) and /etc/examples/pf.conf set skip on lo block return # block stateless traffic pass # establish keep-state # By default, do not permit remote connections to X11 block return in on ! lo0 proto tcp to port 6000:6010 set block-policy drop match in all scrub (no-df random-id max-mss 1440) antispoof quick for (egress) block in quick on egress from { no-route urpf-failed } to any block in all pass out quick inet keep state References: http://www.bsdnow.tv/tutorials/the-desktop-obsd ====== Fingerprint ====== pkg_add -iv dbus fprintd login_fingerprint libfprint /etc/rc.d/messagebus start rcctl enable messagebus ====== Additional Packages ====== Time to play with pkg_add to put some useful tools: pkg_add -Uu pkg_add -iv firefox pkg_add -iv ImageMagick irssi vim zsh rxvt-unicode fvwm2 xscreensaver rdesktop iftop rsync wget curl figlet dfc git subversion ranger emelfm2 ccze htop ====== Ports ====== You can install ports using a snapshot made for you! cd /usr wget https://mirror.ungleich.ch/pub/OpenBSD/snapshots/ports.tar.gz tar xvzf ports.tar.gz ====== Finding packages ====== Two ways: pkg_info yourpackage or cd /usr/ports make search key=what_you_search Reference: http://www.bsdnow.tv/tutorials/ports-obsd ====== Thing went wrong when ====== ===== bootblocks are not installed ===== → installboot: no OpenBSD partition Failed to install bootblocks You will not be able to boot OpenBSD from sd4 I had this issue when sd0 didn't had a MBR nor sd3 … dd saved the days :) ====== References ====== * http://unix.stackexchange.com/questions/9527/how-should-one-set-up-full-disk-encryption-on-openbsd * https://ryanak.ca/planet-ubuntu/2013/03/26/Setting-up-full-disk-encryption-in-OpenBSD-5.3.html * http://geekyschmidt.com/2011/01/19/configuring-openbsd-softraid-fo-encryption * http://brycv.com/blog/2012/encrypted-root-filesystem-using-softraid-4-on-openbsd-with-an-slc-ssd/ * http://www.bsdnow.tv/tutorials/fde * http://man.openbsd.org/OpenBSD-current/man8/bioctl.8 * http://geodsoft.com/howto/harden/OpenBSD/no_changes.htm * http://fsfe.soup.io/post/669752294/emergency-exit-OpenBSD-on-the-Thinkpad-X250 * http://www.openbsd.org/faq/faq4.html * http://undeadly.org/cgi?action=article&sid=20110530221728 * https://github.com/jhautefeuille/obsdnfo * http://www.openbsd.org/faq/faq14.html * http://geekyschmidt.com/2011/03/27/openbsd-laptop-mini-howto * http://www.tumfatig.net/20150215/bind-nsd-unbound-openbsd-5-6/ * http://www.openbsd.org/faq/faq6.html * https://www.tumfatig.net/20190311/openbsd-laptop-with-full-disk-encryption/ * https://www.c0ffee.net/blog/openbsd-on-a-laptop/