= OpenBSD =
The OpenBSD project produces a FREE, multi-platform 4.4BSD-based UNIX-like operating system. 
http://www.openbsd.org
 * wget http://ftp.fr.openbsd.org/pub/OpenBSD/6.0/amd64/install60.iso
 * wget https://cdn.openbsd.org/pub/OpenBSD/6.5/amd64/install65.iso

== VirtualBox installation ==
 * new
 * name: OpenBSD6
 * type: bsd
 * version: openbsd 64 bit
 * next
 * 512 MB
 * next
 * create disk
 * create
 * vdi 
 * next 
 * fixed size
 * next 
 * 8GB
 * Create
 * Settings
 * Network card Intel PRO/1000 MT Desktop
 * Start 
 * install60.iso
 * Start 
 * (I)nstall
 * ?  choose keyboard 
 * pt
 * System hostname: openbsd 
 * card: em0 
 * IP v4 address: dhcp 
 * IP v6: none 
 * done 
 * password for root: *******
 * start sshd yes 
 * expect X11 yes 
 * X11 started by xdm: no
 * setup a user: vitor 
 * Password for vitor ********
 * Allow root ssh login no 
 * root disk wd0 
 * use whole disk 
 * Auto layout 
 * set location cd0 
 * pathname 6.0/amd64 
 * all
 * done 
 * continue without verification yes 
 * done 
 * Timezone Portugal # Europe/Lisbon
 * yes 
 * reboot 
 * Unmount ISO 
 * Login as vitor 
 * VM settings, network, adapter 1, NAT, port forwarding, add rule, protocol tcp, host port 2222, guest port 22

{{{#!highlight bash
df -h 
startx # fvwm window manager 
setxkbmap pt
# default shell ksh 
perl -v # 5.20 
du -hs .

#edit /root/.profile
PKG_PATH=http://ftp.fr.openbsd.org/pub/OpenBSD/6.0/packages/amd64/
export PKG_PATH
exit
login 
env 
pkg_info python
pkg_add python-2.7.12 # pkg_add python-2.7.16
pkg_info jdk 
pkg_add jdk-1.8.0.72p0v0 # pkg_add jdk-11.0.2.9.3p0v0
# You may wish to add /usr/local/jdk-11/man to /etc/man.conf
cd /usr/local/jdk-1.8.0/bin
./java -version 
python2.7 --version 
pkg_info #list installed packages 
#https://www.openbsd.org/faq/faq15.html#PkgMgmt

#install ntpd
pkg_add ntp
ntpdate pt.pool.ntp.org #update datetime
}}}

== httpd service ==
In /etc/rc.conf 
{{{
httpd_flasg=
}}}

In /etc/httpd.conf 
{{{
server "default"{
  listen on 0.0.0.0 port 80
}
}}}

== Custom service ==
/usr/local/sbin/beat.py
{{{#!highlight python
#!/usr/bin/python
import threading
import time
import os
import syslog
import datetime
import sys 
import signal

def termHandler(signal,frame):
    print('Signal term caught')
    sys.exit(0)
    
if __name__=="__main__":
    f=open('/var/run/beat.pid','wa')
    f.write('%d'%(os.getpid()))
    f.close()
    signal.signal(signal.SIGTERM,termHandler)    
    
    while True:
        syslog.syslog(syslog.LOG_INFO, "Beat %s"%(datetime.datetime.now()) )
        time.sleep(5)
}}}

/etc/rc.d/beat 
{{{
#!/bin/sh

daemon="/usr/local/bin/python2.7 /usr/local/sbin/beat.py"
rc_bg=YES

. /etc/rc.d/rc.subr

rc_cmd $1
}}}
 * /etc/rc.d/beat start
 * /etc/rc.d/beat check
 * tail -f /var/log/messages
 * /etc/rc.d/beat stop
 * add in /etc/rc.conf to start service after boot
{{{
pkg_scripts=beat
beat_flags=

}}}