查看 centos 版本 1. [server@dv02 etc]$ cat /etc/redhat-release CentOS Linux release 7.6.1810 (Core) 2. [server@dv02 etc]$ cat /proc/version Linux version 3.10.0-957.5.1.el7.x86_64 (mockbuild@kbuilder.bsys.centos.org) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-36) (GCC) ) #1 SMP Fri Feb 1 14:54:57 UTC 2019 3. [server@dv02 etc]$ uname Linux [anue@dv102 etc]$ uname -r 3.10.0-957.5.1.el7.x86_64 [server@dv02 etc]$ uname -a Linux dv102 3.10.0-957.5.1.el7.x86_64 #1 SMP Fri Feb 1 14:54:57 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux 4.[server@dv02 etc]$ rpm -q centos-release centos-release-7-6.1810.2.el7.centos.x86_64 查看 java 版本 1. [server@dv02 etc]$ java -version openjdk version "11.0.1" 2018-10-16 LTS OpenJDK Runtime Environment 18.9 (build 11.0.1+13-LTS) OpenJDK 64-Bit Server VM 18.9 (build 11.0.1+13-LTS, mixed mode, sharing) 2. [server@dv02 etc]$ which java /usr/bin/java 3. [server@dv02 etc]$ echo $PATH /usr/local/bin:/usr/bin:/usr...
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