operating system
Centos 7.6 , Ubuntu-19.10
Hardware configuration (recommended)
CPU / Memory: 2 core / 4GB
Installation version
cfssl 1.2
https://pkg.cfssl.org/R1.2/cfssl_linux-amd64
https://pkg.cfssl.org/R1.2/cfssljson_linux-amd64
https://pkg.cfssl.org/R1.2/cfssl-certinfo_linux-amd64
start installation
First, download the installation package
wget https://pkg.cfssl.org/R1.2/cfssl_linux-amd64
wget https://pkg.cfssl.org/R1.2/cfssljson_linux-amd64
wget https://pkg.cfssl.org/R1.2/cfssl-certinfo_linux-amd64
Extracting installation package
tar -xzvf cfssl_linux-amd64.tar.gz cfssljson_linux-amd64 cfssl-certinfo_linux-amd64