It was announced that the Oracle JDK is now available for commercial use free of charge when used with Oracle Cloud Infrastructure (OCI). https://blogs.oracle.com/developers/support-for-oracle-java-se-now-included-with-oracle-cloud-infrastructure
Describes how to build CentOS on OCI and install Oracle JDK 11. The reasons for choosing Oracle JDK 11 are as follows.
--Oracle JDK version 11 is subject to LTS and the Premier Support period is from September 2018 to September 2023.
The Repository referenced by Default is disabled by CentOS and switched to the Repository provided by OCI. You can continue to use the one provided by OCI, but if you are concerned, please restore it after installing the JDK.
Stand up properly on CentOS7. See the tutorials below https://community.oracle.com/docs/DOC-1019313
First, switch to root
sudo su -
Download GPG KEY to connect to ULN (Unbreakable Linux Network)
wget https://yum.oracle.com/RPM-GPG-KEY-oracle-ol7 -O /etc/pki/rpm-gpg/RPM-GPG-KEY-oracle
Apply GPG KEY
# gpg --quiet --with-fingerprint /etc/pki/rpm-gpg/RPM-GPG-KEY-oracle
gpg: new configuration file `/root/.gnupg/gpg.conf' created
gpg: WARNING: options in `/root/.gnupg/gpg.conf' are not yet active during this run
pub 2048R/EC551F03 2010-07-01 Oracle OSS group (Open Source Software group) <[email protected]>
Key fingerprint = 4214 4123 FECF C55B 9086 313D 72F9 7B74 EC55 1F03
Disable CentOS Defaule references
mkdir /etc/yum.repos.d/old
mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/old
Create a temporary file to reference the Repository on the ULN side.
cat <<'EOF' > /etc/yum.repos.d/ol7-temp.repo
[ol7_latest]
name=Oracle Linux $releasever Latest ($basearch)
baseurl=https://yum.oracle.com/repo/OracleLinux/OL7/latest/$basearch/
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-oracle
gpgcheck=1
enabled=1
EOF
Check if you can refer to it normally with yum repolist
# yum repolist
Loaded plugins: product-id, search-disabled-repos, subscription-manager
This system is not registered with an entitlement server. You can use subscription-manager to register.
repo id repo name status
ol7_latest/x86_64 Oracle Linux 7Server Latest (x86_64) 13,163
repolist: 13,163
Install the package to reference the repository
yum install -y oraclelinux-release-el7
The following packages will be installed
Dependencies Resolved
==============================================================================================================
Package Arch Version Repository Size
==============================================================================================================
Installing:
oraclelinux-release-el7 x86_64 1.0-6.el7 ol7_latest 18 k
Installing for dependencies:
python-kitchen noarch 1.1.1-5.el7 ol7_latest 265 k
yum-utils noarch 1.1.31-50.0.1.el7 ol7_latest 121 k
Transaction Summary
==============================================================================================================
The yum.repo.d directory has the following structure
# ls -la
total 28
drwxr-xr-x. 3 root root 108 Jul 16 16:01 .
drwxr-xr-x. 90 root root 8192 Jul 16 13:10 ..
-rw-r--r--. 1 root root 203 Jul 16 16:01 ol7-temp.repo
drwxr-xr-x. 2 root root 229 Jul 16 16:01 old
-rw-r--r--. 1 root root 3586 Jul 16 16:01 oracle-linux-ol7.repo
-rw-r--r--. 1 root root 2108 Jul 16 16:01 uek-ol7.repo
-rw-r--r--. 1 root root 225 Jul 16 16:01 virt-ol7.repo
Disable the Temporarily Created Repository
mv /etc/yum.repos.d/ol7-temp.repo /etc/yum.repos.d/old/
Each Region of OCI has a yum mirror server for fast package downloads. To access it, configure the following settings. First, install the jq command to format the JSON
sudo curl -o /usr/local/bin/jq -L https://github.com/stedolan/jq/releases/download/jq-1.5/jq-linux64 && sudo chmod +x /usr/local/bin/jq
Get the Region name where Compute Instance is running and store it in / etc / yum / vars / ociregion.
export OCIREGION=`curl -sfm 3 http://169.254.169.254/opc/v1/instance/ | jq -r '.region' | cut -d '-' -f 2`
echo "-$OCIREGION" > /etc/yum/vars/ociregion
Check the contents of the file
# cat /etc/yum/vars/ociregion
-tokyo
Check yum repolist. It is OK if you can refer to the following 5 types of Repository.
# yum repolist
Loaded plugins: product-id, search-disabled-repos, subscription-manager
This system is not registered with an entitlement server. You can use subscription-manager to register.
repo id repo name status
ol7_UEKR5/x86_64 Latest Unbreakable Enterprise Kernel Release 5 for Oracle Linux 7Server (x86 154
ol7_addons/x86_64 Oracle Linux 7Server Add ons (x86_64) 340
ol7_latest/x86_64 Oracle Linux 7Server Latest (x86_64) 13,163
ol7_ociyum_config OCI specific release packages Oracle Linux 7Server (x86_64) 27
ol7_optional_latest/x86_64 Oracle Linux 7Server Optional Latest (x86_64) 9,978
repolist: 23,662
I will try installing vim to see if it can be installed normally.
yum install -y vim
The following dependencies will be resolved and the installation will be successful.
==============================================================================================================
Package Arch Version Repository Size
==============================================================================================================
Installing:
vim-enhanced x86_64 2:7.4.160-6.el7_6 ol7_latest 1.0 M
Installing for dependencies:
gpm-libs x86_64 1.20.7-5.el7 ol7_latest 31 k
perl x86_64 4:5.16.3-294.el7_6 ol7_latest 8.0 M
perl-Carp noarch 1.26-244.el7 ol7_latest 19 k
perl-Encode x86_64 2.51-7.el7 ol7_latest 1.5 M
perl-Exporter noarch 5.68-3.el7 ol7_latest 28 k
perl-File-Path noarch 2.09-2.el7 ol7_latest 26 k
perl-File-Temp noarch 0.23.01-3.el7 ol7_latest 56 k
perl-Filter x86_64 1.49-3.el7 ol7_latest 76 k
perl-Getopt-Long noarch 2.40-3.el7 ol7_latest 55 k
perl-HTTP-Tiny noarch 0.033-3.el7 ol7_latest 38 k
perl-PathTools x86_64 3.40-5.el7 ol7_latest 82 k
perl-Pod-Escapes noarch 1:1.04-294.el7_6 ol7_latest 51 k
perl-Pod-Perldoc noarch 3.20-4.el7 ol7_latest 86 k
perl-Pod-Simple noarch 1:3.28-4.el7 ol7_latest 216 k
perl-Pod-Usage noarch 1.63-3.el7 ol7_latest 26 k
perl-Scalar-List-Utils x86_64 1.27-248.el7 ol7_latest 35 k
perl-Socket x86_64 2.010-4.el7 ol7_latest 48 k
perl-Storable x86_64 2.45-3.el7 ol7_latest 76 k
perl-Text-ParseWords noarch 3.29-4.el7 ol7_latest 13 k
perl-Time-HiRes x86_64 4:1.9725-3.el7 ol7_latest 44 k
perl-Time-Local noarch 1.2300-2.el7 ol7_latest 24 k
perl-constant noarch 1.27-2.el7 ol7_latest 18 k
perl-libs x86_64 4:5.16.3-294.el7_6 ol7_latest 688 k
perl-macros x86_64 4:5.16.3-294.el7_6 ol7_latest 43 k
perl-parent noarch 1:0.225-244.el7 ol7_latest 12 k
perl-podlators noarch 2.5.1-3.el7 ol7_latest 111 k
perl-threads x86_64 1.87-4.el7 ol7_latest 48 k
perl-threads-shared x86_64 1.43-6.el7 ol7_latest 38 k
vim-common x86_64 2:7.4.160-6.el7_6 ol7_latest 5.9 M
vim-filesystem x86_64 2:7.4.160-6.el7_6 ol7_latest 9.8 k
Transaction Summary
==============================================================================================================
Check the Oracle JDK package. A search on jdk will also catch the Open JDK, but at the bottom you will find the Oracle JDKs 11 and 12.
# yum search jdk
abridgement
jdk-11.0.3.x86_64 : Java Platform Standard Edition Development Kit
jdk-12.0.1.x86_64 : Java Platform Standard Edition Development Kit
jdk1.8.x86_64 : Java Platform Standard Edition Development Kit
abridgement
The Oracle JDK is available for commercial use free of charge with OCI. Since JDK 11 is LTS in it, install JDK 11.
yum install -y jdk-11.0.3.x86_64
Java version confirmation
# java --version
java 11.0.3 2019-04-16 LTS
Java(TM) SE Runtime Environment 18.9 (build 11.0.3+12-LTS)
Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.3+12-LTS, mixed mode)
See Yum Repository in OCI https://yum.oracle.com/getting-started.html
Install Java with OCI https://orablogs-jp.blogspot.com/2019/06/how-to-install-oracle-java-in-oracle.html
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