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FreeBSD

FreeBSD

FreeBSD is an advanced computer operating system used to power modern servers, desktops, and embedded platforms. http://www.freebsd.org

wget http://ftp.freebsd.org/pub/FreeBSD/releases/amd64/amd64/ISO-IMAGES/10.3/FreeBSD-10.3-RELEASE-amd64-dvd1.iso

VirtualBox installation

Start VirtualBox
New
Name FreeBSD_10_3
Choose type BSD
version FreeBSD 64 bit
RAM 512 MB
Create virtual disk dynamic VDI with Fixed size 8 GB
Create
Start VM
Choose ISO FreeBSD-10.3-RELEASE-amd64-dvd1.iso
Start
option 1 multi boot
Install
keymap portuguese iso-8859-1 accent keys
continue with pt.iso.acc.kbd keymap
hostname: freebsd
Distribution select: all
Partitioning: auto
Partition: entire disk
Partition scheme: GPT guid partition table
Partition editor, finish, commit
root password: ********
Network config: em0
configure ipv4: yes
use dhcp: yes
configure ipv6: no
search: <empty>
ipv4 dns1: 8.8.8.8
ipv4 dns2: 8.8.4.4
is cmos clock set to utc: yes
region: europe
country: portugal mainland
services: sshd dumpdev
add users? yes
username: vitor
several enters
add other account: no
exit, apply config and exit installer
manual configuration? no
reboot
release ISO
login as root

   1 df -h 
   2 traceroute www.sapo.pt
   3 pkg install wget 
   4 # install package management tool ? yes 
   5 proceed with action: yes 
   6 pkg info 
   7 cc --version 
   8 # https://www.freebsd.org/doc/handbook/pkgng-intro.html
   9 pkg search jdk 
  10 pkg install openjdk8-8.92.14_3  #203 MB
  11 # add lines to fstab ...
  12 java -version 
  13 pkg search python 
  14 pkg install python27-2.7.12 # 67MB 
  15 python2.7 --version 
  16 pkg install mongodb-2.6.12 #203MB
  17 pkg install rabbitmq-3.6.2 # 157MB
  18 df -h # avail 3.2 GB
  19 pkg install bash 
  20 pkg install xorg
  21 startx
  22 pkg install windowmaker-0.95.7_2 # 262MB 
  23 echo "exec /usr/local/bin/wmaker" > ~/.xinitrc
  24 startx

Get and burn ISO

   1 wget  http://ftp.freebsd.org/pub/FreeBSD/releases/amd64/amd64/ISO-IMAGES/10.3/FreeBSD-10.3-RELEASE-amd64-dvd1.iso
   2 modprobe sg # for cdrecord
   3 cdrecord -scanbus #identify the device DVDRAM LG GP08NU6B
   4 cdrecord -dev=6,0,0 -pad -data FreeBSD-10.3-RELEASE-amd64-dvd1.iso
   5 # eject the DVD after burning
   6 eject
   7 cd /
   8 mount /dev/sr0 /mnt/cdrom #check DVD
   9 cd /mnt/cdrom/packages/FreeBSD:10:amd64/All
  10 ls
  11 ls -lah | wc -l # 1070 packages python gnome3 kde, qt, mysql, firefox, subversion, xorg, perl, gsl 
  12 cd /
  13 umount /mnt/cdrom

Amazon AMI

https://aws.amazon.com/marketplace/pp/B00KSS55FY/

Info severity logging

add to /etc/rc.conf

   1 syslogd_enable="YES"

touch /var/log/syslog
Add to /etc/syslog.conf

*.info /var/log/syslog

Example program

   1 #!/usr/bin/python
   2 import threading
   3 import time
   4 import os
   5 import syslog
   6 import datetime
   7 import sys 
   8 import signal
   9 
  10 def termHandler(signal,frame):
  11     print('Signal term caught')
  12     sys.exit(0)
  13     
  14 if __name__=="__main__":
  15     f=open('/var/run/beat.pid','wa')
  16     f.write('%d'%(os.getpid()))
  17     f.close()
  18     signal.signal(signal.SIGTERM,termHandler)    
  19     
  20     while True:
  21         syslog.syslog(syslog.LOG_INFO, "Beat %s"%(datetime.datetime.now()) )
  22         time.sleep(5)

Custom service

/home/vitor/beat.py

   1 #!/usr/bin/python
   2 import threading
   3 import time
   4 import os
   5 import syslog
   6 import datetime
   7 import sys 
   8 import signal
   9 
  10 def termHandler(signal,frame):
  11     print('Signal term caught')
  12     sys.exit(0)
  13     
  14 if __name__=="__main__":
  15     f=open('/var/run/beat.pid','wa')
  16     f.write('%d'%(os.getpid()))
  17     f.close()
  18     signal.signal(signal.SIGTERM,termHandler)    
  19     
  20     while True:
  21         syslog.syslog(syslog.LOG_INFO, "Beat %s"%(datetime.datetime.now()) )
  22         time.sleep(5)

In /etc/rc.conf

beat_enable="YES"

/etc/rc.d/beat

   1 #!/bin/sh
   2 
   3 # PROVIDE: beat
   4 
   5 . /etc/rc.subr
   6 
   7 name=beat
   8 rcvar=beat_enable
   9 command="/usr/local/bin/python2"
  10 command_args="/home/vitor/${name}.py &"
  11 
  12 load_rc_config $name
  13 
  14 run_rc_command "$1"

Give user permission to use su -

   1 pw user mod userxyz -G wheel
   2 su -

Bash

   1 pkg install bash
   2 chsh -s /usr/local/bin/bash vitor
   3 chsh -s /usr/local/bin/bash root

~/.profile

   1 #normal user
   2 PS1="\e[0;33m\]\D{%Y-%m-%d}T\A\[\e[m\] \e[0;32m\]\u@\H:\w\r\n\$\[\e[m\] "

MongoDB

   1 mkdir -p /data/db

/etc/rc.conf

mongodb_enable="YES"

/etc/rc.d/mongodb

   1 #!/bin/sh
   2 
   3 # PROVIDE: mongodb
   4 
   5 . /etc/rc.subr
   6 
   7 name=mongodb
   8 rcvar=mongodb_enable
   9 pidfile="/var/run/mongodb.pid"
  10 command="/usr/local/bin/mongod"
  11 command_args="--pidfilepath=$pidfile --smallfiles --syslog &"
  12 
  13 load_rc_config $name
  14 
  15 run_rc_command "$1"

check file /usr/local/etc/rc.d/mongod
mongod_enable="YES" in /etc/rc.conf
mkdir -p /var/db/mongodb
add --smallfiles to mongod_flags in file /usr/local/etc/rc.d/mongod

RabbitMQ service