ovs-vsctl list open_vswitch
ovs-vsctl list interface
ovs-vsctl --columns=ofport,name list Interface
ovs-vsctl --columns=ofport,name --format=table list Interface
ovs-vsctl --format=table --columns=name,mac_in_use find Interface name=br-dpdk1
ovs-vsctl get interface vhub656c3cb-23 name/ofport
jshen28
jshen28
/ ovs-cheat.md
Last active
April 21, 2021 08:14
— forked from djoreilly/ovs-cheat.md
OVS cheat sheet
jshen28
/ README.md
Created
October 13, 2018 13:06
— forked from gdamjan/README.md
Setup for an easy to use, simple reverse http tunnels with nginx and ssh. It's that simple there's no authentication at all. The end result, a single ssh command invocation gives you a public url for your web app hosted on your laptop.
A lot of times you are developing a web application on your own laptop or home computer and would like to demo it to the public. Most of those times you are behind a router/firewall and you don't have a public IP address. Instead of configuring routers (often not possible), this solution gives you a public URL that's reverse tunnelled via ssh to your laptop.
Because of the relaxation of the sshd setup, it's best used on a dedicated virtual machine just for this (an Amazon micro instance for example).
jshen28
/ README.md
Created
October 21, 2018 09:40
— forked from smoser/README.md
MAAS and curtin debug
You can deploy a node with the maas cli which is often preferable to clicking a button on a web UI.
$ SYSTEM_ID=node-787b19d8-d25c-11e4-9f9e-00163eca91de
$ NAME="random-nodename"
$ MAASNAME="maaslocal"
$ maas $MAASNAME machine allocate "name=$NAME"
jshen28
/ rabbitmq.txt
Created
January 7, 2019 05:28
— forked from sdieunidou/rabbitmq.txt
create admin user on rabbitmq
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| rabbitmqctl add_user test test | |
| rabbitmqctl set_user_tags test administrator | |
| rabbitmqctl set_permissions -p / test ".*" ".*" ".*" |
jshen28
/ howto_deb_repackage.txt
Created
May 20, 2019 03:28
— forked from shamil/howto_deb_repackage.txt
Howto repackage deb packages
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| Use folowing steps to repackage dep package: | |
| 1: Extract deb package | |
| # dpkg-deb -x <package.deb> <dir> | |
| 2: Extract control-information from a package | |
| # dpkg-deb -e <package.deb> <dir/DEBIAN> | |
| 3. After completed to make changes to the package, repack the deb | |
| # dpkg-deb -b <dir> <new-package.deb> |
jshen28
/ multicast-openstack.md
Created
August 26, 2019 06:06
— forked from djoreilly/multicast-openstack.md
Multicast on OpenStack
The following works with Neutron VLAN provider networks, and requires configuration on the physical switches. Multicast works on br-int because the ML2 OVS driver/agent uses OVS in standalone mode (no external controller). The packets on br-int hit the NORMAL flow action, and so get treated by the ovs-vswitchd code that does IGMP snooping (when enabled). All IGMP packets are sent to the slow path (userspace ovs-vswitchd).
The following will not work on Neutron tunnel backed networks (VxLAN, GRE), as the neutron-openvswitch-agent hardcodes flows on br-tun that treats multicast the same as broadcasts and the NORMAL action is not used.
+----------------------------+ +----------------------------+
| +----+ +----+ | | +----+ +----+ |
| | VM | | VM | | | | VM | | VM | |
| +-+--+ +--+-+ | | +-+--+ +--+-+ |
jshen28
/ route_dump.c
Created
June 7, 2020 10:11
— forked from cl4u2/route_dump.c
Linux route monitoring example
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| /* | |
| iflist.c : retrieve network interface information thru netlink sockets | |
| (c) Jean Lorchat @ Internet Initiative Japan - Innovation Institute | |
| v1.0 : initial version - Feb 19th 2010 | |
| This file was obtained at the following address : | |
| http://www.iijlab.net/~jean/iflist.c |
jshen28
/ route_dump.c
Created
June 7, 2020 10:11
— forked from cl4u2/route_dump.c
Linux route monitoring example
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| /* | |
| iflist.c : retrieve network interface information thru netlink sockets | |
| (c) Jean Lorchat @ Internet Initiative Japan - Innovation Institute | |
| v1.0 : initial version - Feb 19th 2010 | |
| This file was obtained at the following address : | |
| http://www.iijlab.net/~jean/iflist.c |
jshen28
/ running-openstack-nova-with-pypy.md
Created
April 14, 2021 14:40
— forked from vishvananda/running-openstack-nova-with-pypy.md
Running OpenStack Nova with PyPy
For those that are unfamiliar with the project, PyPy is an implementation of the Python language that features a JIT Compiler. I have noticed a huge performance benefit in some personal projects by switching to PyPy. I have always been curious how it would perform on a large and complex project like OpenStack, but my early experiments ran into massive roadblocks around broken dependencies.
It has been six months since I last looked, so I figured it was time to try it again. Support has come a long way and, now that lxml is working, we are close enough to get a Proof-of-Concept running. Read on for instructions on running nova with PyPy.
Start out with a base ubuntu 12.04 (precise) install and run devstack. I won't go through the details of getting devstack running here, because there are already instructions on the devstack site.
jshen28
/ Simple vsock setup for QEMU.md
Created
September 30, 2021 14:08
— forked from mcastelino/Simple vsock setup for QEMU.md
using qemu with vsock
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