[LINUX] Install java (Oracle JDK14) on CentOS7

I will introduce the procedure to install java (jdk14) on CentOS7. This time I got the rpm file and installed it.

Download Oracle JDK 14

Download jdk-14_linux-x64_bin.rpm with the following command. curl -OL -b "oraclelicense=accept-securebackup-cookie" "https://download.oracle.com/otn-pub/java/jdk/14+36/076bab302c7b4508975440c56f6cc26a/jdk-14_linux-x64_bin.rpm"

Execution result


[[email protected] ~]# curl -OL -b "oraclelicense=accept-securebackup-cookie" "https://download.oracle.com/otn-pub/java/jdk/14+36/076bab302c7b4508975440c56f6cc26a/jdk-14_linux-x64_bin.rpm"
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
100   527  100   527    0     0    774      0 --:--:-- --:--:-- --:--:--     0
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
100  165M  100  165M    0     0   232k      0  0:12:06  0:12:06 --:--:--  227k
[[email protected] ~]#

Check the hash value of the downloaded file

Check the hash value of jdk-14_linux-x64_bin.rpm in [Java SE 14 Binaries Checksum](https://www.oracle.com/webfolder/s/digest/14checksum.html" Java SE 14 Binaries Checksum ") To do. Since the hash value is sha256: c470c99df36a33274832828475766da3e054e0a12db454c1d7c97ae909a55ecb, get the hash value of the downloaded file with the following command and check that it matches.

sha256sum jdk-14_linux-x64_bin.rpm

Execution result


[[email protected] ~]# sha256sum jdk-14_linux-x64_bin.rpm
c470c99df36a33274832828475766da3e054e0a12db454c1d7c97ae909a55ecb  jdk-14_linux-x64_bin.rpm
[[email protected] ~]#

Installing Oracle JDK 14

Install the jdk-14_linux-x64_bin.rpm downloaded with the following command.

rpm -ivh jdk-14_linux-x64_bin.rpm

Execution result


[[email protected] ~]# rpm -ivh jdk-14_linux-x64_bin.rpm
warning: jdk-14_linux-x64_bin.rpm:Header V3 RSA/SHA256 Signature, key ID ec551f03: NOKEY
Preparing...              ################################# [100%]
Updating/During installation...
   1:jdk-14-2000:14-ga                ################################# [100%]
[[email protected] ~]#

Confirmation of Oracle JDK 14 installation

Confirm that jdk14 is installed with the following command.

java -version which java

Execution result


[[email protected] ~]# java -version
java version "14" 2020-03-17
Java(TM) SE Runtime Environment (build 14+36-1461)
Java HotSpot(TM) 64-Bit Server VM (build 14+36-1461, mixed mode, sharing)
[[email protected] ~]# which java
/usr/bin/java
[[email protected] ~]#

reference

Installation of the JDK on Linux Platforms Java SE 14 Binaries Checksum Java SE Development Kit 14 - Downloads


that's all

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