git版本
git --version
git version 1.8.3.1
maven 版本
mvn -v
Apache Maven 3.6.1 (d66c9c0b3152b2e69ee9bac180bb8fcc8e6af555; 2019-04-05T03:00:29+08:00)
Maven home: /usr/local/maven/apache-maven-3.6.1
Java version: 1.8.0_161, vendor: Oracle Corporation, runtime: /usr/local/java/jdk1.8.0_161/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "3.10.0-862.el7.x86_64", arch: "amd64", family: "unix"
java 版本
java -version
java version "1.8.0_161"
Java(TM) SE Runtime Environment (build 1.8.0_161-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.161-b12, mixed mode)
mysql版本
mysql -V
mysql Ver 14.14 Distrib 5.7.22, for Linux (x86_64) using EditLine wrapper
ssh 版本
ssh -V
OpenSSH_7.4p1, OpenSSL 1.0.2k-fips 26 Jan 2017
python版本
(一台服务器可以安装两个版本python：一般系统自带python2，可自己下个Python-3.5.2.tgz 安装python3)
python -V
Python 2.7.5
python3 -V
Python 3.5.2
mongodb版本
mongo --version
MongoDB shell version v3.6.9
git version: 167861a164723168adfaaa866f310cb94010428f
OpenSSL version: OpenSSL 1.0.1e-fips 11 Feb 2013
allocator: tcmalloc
modules: none
build environment:
distmod: rhel70
distarch: x86_64
target_arch: x86_64