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Documents Product Categories Oracle Database Client 21c on RedHat 7 with Support by cloudimg

Oracle Database Client 21c on RedHat 7 with Support by cloudimg

Jun 28, 2024
RedHat 7 – Oracle Database Client 21c Version: 1.0.0 Created by: cloudimg Table of Contents 1.) Overview......................................................................................................................1 2.) Access & Security..........................................................................................................2 3.) System Requirements....................................................................................................2 4.) Connecting to the Instance...........................................................................................2 5.) On Startup....................................................................................................................2 6.) Filesystem Configuration..............................................................................................2 7.) Server Components......................................................................................................3 8.) Scripts and Log Files.....................................................................................................3 9.) Using System Components...........................................................................................4 1.) Overview This document is provided as a user guide for the RedHat 7 – Oracle Database Client 21c product offering on the Alibaba Cloud Marketplace. Please reach out to support@cloudimg.co.uk if any issues are encountered following this user guide for the chosen product offering.2.)Access & Security Please update the security group of the target instance to allow the below ports and protocols for access and connectivity. Protocol Type Port Description SSH TCP 22 SSH connectivity 3.)System Requirements The minimum system requirements for the chosen product offering can be found below Minimum CPU Minimum RAM Required Disk Space 1 1 GB 20 GB 4.) Connecting to the Instance Once launched in the ECS Console, please connect to the instance via an SSH client using the root user with the key pair associated at launch. 5.) On Startup An OS package update script has been configured to run on boot to ensure the image is fully up to date at first use. You can disable this feature by removing the script from /stage/scripts/ and deleting the entry in crontab for the root user. Disable the OS update script from running on reboot rm -f /stage/scripts/initial_boot_update.sh crontab -e #DELETE THE BELOW LINE. SAVE AND EXIT THE FILE. @reboot /stage/scripts/initial_boot_update.sh 6.) Filesystem ConfigurationPlease see below for a screenshot of the server disk configuration and specific mount point mappings for software locations. Filesystem Size Used Avail Use% Mounted on devtmpfs 1.9G 0 1.9G 0% /dev tmpfs 1.9G 0 1.9G 0% /dev/shm tmpfs 1.9G 8.5M 1.9G 1% /run tmpfs 1.9G 0 1.9G 0% /sys/fs/cgroup /dev/nvme0n1p2 38G 3.5G 32G 10% / /dev/nvme1n1 20G 6.5G 13G 35% /u01 /dev/nvme0n1p1 2.0G 143M 1.7G 8% /boot tmpfs 389M 0 389M 0% /run/user/1002 tmpfs 389M 0 389M 0% /run/user/0 Mount Point Description /boot Operating System Kernel files /u01 Oracle software installation directory 7.) Server Components Please see below for a list of installed server components and their respective installation paths. The below versions are subject to change on initial boot based on the initial_boot_update.sh script finding new versions of the software in the systems package repositories. Component Version Software Home Aliyun CLI 3 /usr/local/bin/aliyun Oracle Client 21c - Administrator 21.3.0.0 /u01 8.) Scripts and Log Files The below table provides a breakdown of any scripts & log files created to enhance the useability of the chosen offering. Script/Log Path DescriptionInitial_boot_update.sh /stage/scripts Update the Operating System with the latest updates available. Initial_boot_update.log /stage/scripts Provides output for initial_boot_update.sh 9.) Using System Components Instructions can be found below for using each component of the server build mentioned in section 7 of this user guide document. Aliyun CLI Run – Once logged into the server, you may check the options available for the use of Aliyun CLI via the below command. aliyun –-help Oracle Database Client Oracle Database Client has been preinstalled on the system. Please follow the below instructions for setting the environment variables required to use the software. Run – Once logged into the server as the root user, switch to the oracle user. (Please type this command instead of copy paste) sudo su – oracle Run – A script has been created under the $HOME directory of the oracle user.  setEnv.sh – This script will set the Oracle environment variables allowing the use of utilities such as sqlplus. Run – Create a tnsnames.ora file. An example has been provided below. Please edit the below values in RED to match that of the database instance you wish to connect to.#Set the Oracle environment variables cd $HOME . ./setEnv.sh echo EXAMPLE_SID = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = EXAMPLE IP_OR_DNS_HOSTNAME)(PORT = 1521)) ) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = EXAMPLE_SERVICE_NAME) ) )'' >
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Oracle Database Client 21c on RedHat 7 with Support by cloudimg

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