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Oracle Database, Fusion Middleware, Linux

linux

Provisioning WebLogic Server in less than 1 minute using Docker

We are going to demonstrate how to provision Oracle WebLogic Server in less than 1 minute Using Docker running on Ubuntu. Prerequisites To follow this tutorial, you will need Ubuntu 64-bit up and running. We will be using Ubuntu version 16.04 in our fancy VirtualBox sandbox machine. This is because Docker requires a 64-bit version of Ubuntu as […]

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Altering network configuration and hostname in Oracle Linux 6

A prerequisite for this exercise is running Oracle Linux 6. Installation and configuration has been described in this article:  Installing Oracle Linux 6 and preparing for Oracle Software installations. Clone and power up virtual machine and connect to the server (for example: using putty) Cloning virtual machine in Oracle VirtualBox involves the fallowing steps: TIP: To power up virtual […]

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Installing Oracle Linux 6 and preparing for Oracle Software installations

This article describes installation of Oracle Linux 6 and initial preparation for further Oracle software installations, like Oracle Databases, WebLogic Servers, Fusion Middleware software, clustered infrastructures. It will serve as a seed OS which I will be cloning for further Oracle software installations without a need to install OS from scratch each time I need a […]

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Installing Oracle Database 11g R2 on Linux with ASM

In this guide we are going to cover Oracle Database 11g R2 installation on Linux with ASM. Automatic Storage Management (ASM) is a feature that has be introduced in Oracle 10g to simplify the storage of Oracle datafiles, controlfiles, logfiles and backups. ASM will be used as the file system and volume manager for Oracle […]

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Oracle user account in Linux visudo good practice

Main user for most of the oracle products, especially for Oracle Database installations is an oracle user account. Oracle-validated package does create such account automatically with proper group membership configuration and “random” unknown password. In Linux world (following good practice rules) we all have our own, personal and dedicated user accounts which belongs to the particular […]

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Installing Oracle Database 11g R2 on Linux

In article Installing Oracle Linux in VMware virtual machine we covered installation of Oracle Linux 5U8 including oracle-validated package. Now, our system is ready for Oracle database installation, and no additional configuration tasks is required at this moment. Note: Most of the time we work with OS from remote locations and target servers are located […]

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Installing Oracle Linux in VMware virtual machine

What is Oracle Linux? Oracle Linux is an open source operating system available under the GNU General Public License (GPL) and is available for free download. Oracle Linux includes two kernels: Unbreakable Enterprise Kernel, tracks mainline Linux kernel closely, and offers the latest features and tested performance and stability The Red Hat Compatible Kernel, compiled directly […]

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A bit of fun with cut, paste, join and sort in Linux

1. cut – Removes sections from each line of files. Prints selected parts of lines from each file to standard output. Default separator is a “Tab” sign. Imagine we’ve got a file file_numbers.txt, which consist of three columns: col_1 col_2 col_3   one two three   four five six   seven eight nine   ten […]

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Top Memory and CPU consumers UNIX, LINUX

Linux OS #current user: $ ps u USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND user 16038 0.0 0.1 4852 784 pts/0 Ss+ Oct28 0:00 /bin/bash #to display the top CPU consumer $ ps aux | sort -nk +3 | tail -1 #to display the top memory consumer $ ps aux | […]

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GRUB 2 Restore after Windows installation

GRUB 2 Restore after Windows (re)installation Scenario: Multiple OS in one machine – Linux Grub2 Boot Loader doesn’t start after Windows (re) installation. A selfish Windows OS starts automatically by default. It happens when installing Linux and Windows. This can be easily avoided by installing multiple operating systems in the following order; first Windows then […]

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