Cheng-Yu's blog

1. 避免搖擺else問題(dangling else problem)
2. 為何不要{}即可，因為C語言每一句結尾都要;
3. MACRO結尾不分號

sudo apt-get install git -y
git clone git://github.com/mininet/mininet
cd mininet
git tag                                  # list available versions
git checkout -b 2.2.1 2.2.1              # or whatever version you wish to install
cd ..

mininet/util/install.sh -nfv

ryu@ryu-VirtualBox:~/Downloads$ mn --version
2.2.1

ryu@ryu-VirtualBox:~/Downloads$ sudo mn
*** Creating network
*** Adding controller
*** Adding hosts:
h1 h2 
*** Adding switches:
s1 
*** Adding links:
(h1, s1) (h2, s1) 
*** Configuring hosts
h1 h2 
*** Starting controller
c0 
*** Starting 1 switches
s1 ...
*** Starting CLI:
mininet> s1 ovs-vsctl -V
ovs-vsctl (Open vSwitch) 2.5.0
Compiled Sep  5 2016 13:39:52
DB Schema 7.12.1
mininet> 

tar zxvf openvswitch-2.5.0.tar.gz
cd openvswitch-2.5.0

sudo apt-get install build-essential fakeroot -y

dpkg-checkbuilddeps

sudo apt-get install graphviz autoconf automake \
                     debhelper dh-autoreconf libssl-dev \
                     libtool python-all python-twisted-conch -y

`DEB_BUILD_OPTIONS='parallel=8 nocheck' fakeroot debian/rules binary`

ryu@ryu-VirtualBox:~/Downloads/openvswitch-2.5.0$ cd ..
ryu@ryu-VirtualBox:~/Downloads$ ls
openvswitch-2.5.0                            openvswitch-pki_2.5.0-1_all.deb
openvswitch-2.5.0.tar.gz                     openvswitch-switch_2.5.0-1_amd64.deb
openvswitch-common_2.5.0-1_amd64.deb         openvswitch-test_2.5.0-1_all.deb
openvswitch-datapath-dkms_2.5.0-1_all.deb    openvswitch-testcontroller_2.5.0-1_amd64.deb
openvswitch-datapath-source_2.5.0-1_all.deb  openvswitch-vtep_2.5.0-1_amd64.deb
openvswitch-dbg_2.5.0-1_amd64.deb            python-openvswitch_2.5.0-1_all.deb
openvswitch-ipsec_2.5.0-1_amd64.deb

sudo dpkg -i openvswitch-common_2.5.0-1_amd64.deb openvswitch-switch_2.5.0-1_amd64.deb

ryu@ryu-VirtualBox:~/Downloads$ ovs-vsctl -V
ovs-vsctl (Open vSwitch) 2.5.0
Compiled Sep  5 2016 13:39:52
DB Schema 7.12.1

ovs-vsctl list port {eth1}
ovs-vsctl list qos
ovs-vsctl list queue

ovs-vsctl --all destroy qos
ovs-vsctl --all destroy queue

$ sudo stop network-manager

sudo mn --mac --switch ovsk,protocol=OpenFlow13 --controller remote -x

ovs-ofctl add-flow s1 in_port=1,actions=output:2 -O OpenFlow13
ovs-ofctl add-flow s1 in_port=2,actions=output:1 -O OpenFlow13
ovs-ofctl add-flow s1 in_port=2,dl_type=0x0800,actions=output:1 -O OpenFlow13

mininet> pingall
mininet> iperf

ovs-ofctl dump-flows s1 -O OpenFlow13

OFPST_FLOW reply (OF1.3) (xid=0x2):
 cookie=0x0, duration=167.459s, table=0, n_packets=486820, n_bytes=25696343464, in_port=1 actions=output:2
 cookie=0x0, duration=163.546s, table=0, n_packets=222845, n_bytes=14710670, in_port=2 actions=output:1
 cookie=0x0, duration=158.964s, table=0, n_packets=0, n_bytes=0, ip,in_port=2 actions=output:1

ovs-ofctl add-flow s1 in_port=2,dl_type=0x0800,actions=output:1 -O OpenFlow13
ovs-ofctl add-flow s1 in_port=1,actions=output:2 -O OpenFlow13
ovs-ofctl add-flow s1 in_port=2,actions=output:1 -O OpenFlow13

OFPST_FLOW reply (OF1.3) (xid=0x2):
 cookie=0x0, duration=35.977s, table=0, n_packets=95574, n_bytes=6336024, ip,in_port=2 actions=output:1
 cookie=0x0, duration=32.295s, table=0, n_packets=295652, n_bytes=16369802896, in_port=1 actions=output:2
 cookie=0x0, duration=27.202s, table=0, n_packets=1, n_bytes=42, in_port=2 actions=output:1

sudo apt-get update
sudo apt-get install xrdp tightvncserver

sudo apt-get update
sudo apt-get install xrdp vino

vino-preferences

[xrdp8] 
name=Active Local Login 
lib=libvnc.so 
username= 
password=ask 
ip=127.0.0.1 
port=5900

sudo service xrdp restart

sudo tail /var/log/xrdp-sesman.log

cd /lib
rm libatomic.so*
opkg install openvswitch
ps w | grep ovs

sudo apt-get update

sudo apt-get -y install build-essential binutils bison autoconf gettext texinfo subversion git-core libncurses5-dev zlib1g-dev gawk flex quilt libssl-dev xsltproc libxml-parser-perl unzip ncurses-term

git clone git://git.openwrt.org/14.07/openwrt.git

cd openwrt
mv feeds.conf.default feeds.conf

./scripts/feeds update -a

echo 'src-git openvswitch git://github.com/pichuang/openvwrt.git' >> feeds.conf
./scripts/feeds update -a

wget https://gist.githubusercontent.com/pichuang/7372af6d5d3bd1db5a88/raw/4e2290e3e184288de7623c02f63fb57c536e035a/openwrt-add-libatomic.patch -q -O - | patch -p1

vim feeds/openvswitch/openvswitch/Makefile

PKG_RELEASE:=0
PKG_VERSION:=2.3.1

./scripts/feeds update -a

./scripts/feeds install -a

make menuconfig

echo '#CONFIG_KERNEL_BRIDGE is not set' >> .config

make V=s

ps w | grep ovs

sudo apt-get update

sudo apt-get install python-pip python-dev -y

sudo apt-get install python-eventlet python-routes python-webob python-paramiko -y

sudo pip install ryu

sudo apt-get install git -y
git clone git://github.com/osrg/ryu.git
cd ryu; sudo python ./setup.py install

ryu@ubuntu:~$ ryu-manager
loading app ryu.controller.ofp_handler
instantiating app ryu.controller.ofp_handler of OFPHandler

sudo pip install oslo.config
sudo pip install msgpack-python
sudo pip install eventlet --upgrade

sudo pip install six --upgrade