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brief introduction At present, a connection trace quintuple is the source destination IP, the transport layer protocol, and the source destination port. In multi-tenant environment, the private address network of tenants may overlap. If only one CT is distinguished by these five elements, it can not meet the needs of multi-tenants. So the conce ...

EVPN Centralized L3 Gateway--Trans-subnet Message Forwarding spine configuration Interface Configuration sudo ip link add vbdif10 type bridge sudo ip link add vbdif20 type bridge sudo ip link set vbdif10 up sudo ip link set vbdif20 up sudo ip link add vxlan20 type vxlan id 20 local 192.168.59.130 dstport 4789 nolearning sudo ip link add vxlan1 ...

Installing mysql on ubuntu is very simple and requires only a few commands. sudo apt-get install mysql-server mysql-client // mount this database sudo apt-get instal libmysqlclient-dev //Package C language API for database installation In the installation process, you will be prompted to set t ...

Common Command Description Redis server: redis-server Redis client: redis-cli Redis performance testing tool: redis-benchmark AOF File Repair Tool: redis-check-aof RDB File Repair Tool: redis-check-rd redis sets temporary password: config set requirepass password redis gets the temporary password: config get requirepass start and stopping ...

This paper mainly records the building process of PX4 environment under Ubuntu 18.04. Because I installed ROS Melodic before installing PX4 environment, and gazebo was installed at the same time when installing ROS, it is impossible to determine whether the subsequent problems were caused by installing ROS first. This paper is divided into the ...

Fabric v1.4.0 stand-alone installation and deployment I. Pre-preparation The installation of fabric s depends on the docker environment, so the premise is to install the docker well. At the same time, some software versions are required as follows: curl needs the latest version. Doker version 17.06 o ...

Resolve dpkg: warning: files list file for package When installing packages with apt-get install, there is a bunch of warnings; it is suspected that deb packages were previously installed and that forced override of deb resulted from dependency conflicts. The warnings are as follows (there are nearly ...

Problem description The agent environment variable used to start minikube creates a minikube virtual machine, but errors occur when downloading or querying mirrors, such as the following two commands reporting a similar error: "Couldn't connect: SOCKS protocol error" # Execute outside the mi ...

Experimental topology Topological specification The experimental environment is a 16G memory host. The above three virtual machines are run using vmware, and the running system is ubuntu-19.04. The three virtual machines are connected in host-only mode. spine, leaf1 and leaf2 are all ubuntu-19.04. The FRR program is running on them. host1, ho ...

1. Introduction to InfluxDB Part 1: Installation 1.1. Environmental preparation Centos 7 + Telegraf 1.10.3 + InfluxDB 1.7.6 + InfluxDb Studio 1.2. InfluxDB 1.2.1. Install influxDB wget https://dl.influxdata.com/influxdb/releases/influxdb-1.7.6.x86_64.rpm sudo yum localinstall influxdb-1.7.6.x86_64.rpm 1.2.2. Start InfluxDB systemctl start influ ...