linux ES1en ES2en installation and uninstallation operation

1. ovs is installed from source code compilation:

Install dependencies:

# apt install make
# apt install gcc 
# apt install build-essential
# apt install libssl-dev
# apt install libcap-ng-dev
# apt install python2.7
# apt install python-pip
# pip install six
# apt install autoconf 
# apt install automake
# apt install libtool

Download source package

# apt install git

# git clone https://github.com/openvswitch/ovs.git (download git Project directory is ~/ovs ) 

Generate configuration files

# ./boot.sh (in the ovs Under the project root directory) 

configuration

# ./configure -with-linux=/lib/modules/$(uname -r)/build

compile

# make

# make install

# make modules_install
# config_file="/etc/depmod.d/openvswitch.conf"
# for module in datapath/linux/*.ko; do
 modname="\$(basename \${module})"
 echo "override \${modname%.ko} * extra" >> "\$config_file"
 echo "override \${modname%.ko} * weak-updates" >> "\$config_file"
 done

# depmod -a
# /sbin/modprobe openvswitch
# /sbin/lsmod | grep openvswitch

Start the

export PATH=$PATH:/usr/local/share/openvswitch/scripts
# ovs-ctl start

test

# ovs-vsctl show
# ovs-vsctl add-br mybridge
# ovs-vsctl add-port mybridge eth0

2. Unloading of Ovs

After starting ovs, if you change the ovs source code and want to update the ovs service, do the following:

# ovs-ctl stop  stop ovs service 
# ovs-dpctl show Look at the kernel, there is 1 a ovs-system the datapath
# ovs-dpctl del-dp ovs-system  Delete the 1 Step in the datapath Don't go ahead with it 1 Step, rmmod Error may be reported) 
# rmmod openvswitch  uninstall openvswitch Kernel module, used lsmod | grep openvswitch  There is no openvswitch
#  Enter the ovs Source code directory, follow the above compilation steps to recompile the installation 

The resources

Open vSwitch on Linux, FreeBSD and NetBSD