在一个新节点上面安装了一个jvm服务，需要查询进程相关信息，输入jps会提示命令不存在，如果我们已经安装了jdk，内置了这些命令，我们需要查询一下并将它们进行安装。
[root@xxx /data/app/webroot]# jps
-bash: jps: command not foundyum list --showduplicate | grep java-1.8 | grep devel
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.382.b05-1.amzn2.0.2 @amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.151-1.b12.amzn2 amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.161-0.b14.amzn2 amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.171-7.b10.amzn2 amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.171-8.b10.amzn2 amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.181-3.b13.amzn2 amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.191.b12-0.amzn2 amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.201.b09-0.amzn2 amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.222.b03-1.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.222.b10-0.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.242.b08-0.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.252.b09-2.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.265.b01-1.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.272.b10-1.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.282.b08-1.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.302.b08-0.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.312.b07-1.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.312.b07-1.amzn2.0.2 amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.332.b09-1.amzn2.0.2 amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.342.b07-1.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.352.b08-2.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.362.b08-1.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.372.b07-1.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.382.b05-1.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.382.b05-1.amzn2.0.2 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.151-1.b12.amzn2 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.161-0.b14.amzn2 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.171-7.b10.amzn2 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.171-8.b10.amzn2 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.181-3.b13.amzn2 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.191.b12-0.amzn2 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.201.b09-0.amzn2 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.222.b03-1.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.222.b10-0.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.242.b08-0.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.252.b09-2.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.265.b01-1.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.272.b10-1.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.282.b08-1.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.302.b08-0.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.312.b07-1.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.312.b07-1.amzn2.0.2 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.332.b09-1.amzn2.0.2 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.342.b07-1.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.352.b08-2.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.362.b08-1.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.372.b07-1.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.382.b05-1.amzn2.0.1 amzn2-core
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.382.b05-1.amzn2.0.2 amzn2-core
选择指定的版本进行安装,安装成功就可以使用jdk自带的工具命令了。
yum install java-1.8.0-openjdk-devel.x86_64 -y
Loaded plugins: fastestmirror
Determining fastest mirrors
base | 3.6 kB 00:00:00
centosplus | 2.9 kB 00:00:00
docker-ce | 3.5 kB 00:00:00
epel | 4.7 kB 00:00:00
extras | 2.9 kB 00:00:00
updates | 2.9 kB 00:00:00
(1/4): docker-ce/primary_db | 118 kB 00:00:01
(2/4): epel/x86_64/updateinfo | 1.0 MB 00:00:02
(3/4): epel/x86_64/primary_db | 7.0 MB 00:00:11
(4/4): updates/7/x86_64/primary_db | 24 MB 00:00:21
Resolving Dependencies
--> Running transaction check
...
