How to free oracle disk space – Automate disk cleanup.

  In part one we explained what files Oracle Instance creates and eats our precious disk-space, This article explains how to identify and free oracle server disk space. Reasons for the server to stop creating new files. Servers might stop creating new files or adding new files due to multiple reasons: 1. You consumed all […]


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How to free oracle server disk space.

  Oracle database creates various types of files for logging each has its role. For example, Trails, trace files, and logs. These files are important and provide a lot of information, it will quickly consume server space handicapping server performance. That if they were not maintained properly. This article goes through the process of finding […]


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Linux Software Management – Yum basics

Since Software management is an essential part of operating system management, for that, this article explains yum basics and the common command and options, as this package manager allows install, update, remove, or search for packages. Common Linux distributions come with its package manager, for instance, Debian and Ubuntu use APT. on the other hand, […]


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list open ports using netstat

netstat is an essential tool for network issues diagnoses. for example, It prints OS network connections and list open ports, routing tables, interface statistics, masquerade connections. netstat comes in most Operating systems like Windows and Linux. however, in recent Linux releases it was superseded by other commands like ss and “IP” commands. Though,  to unlock […]


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manually configure network in OEL 7, CentOS 7

When you install CentOS, RHEL, or OEL with graphical Interface, it comes with NetworkManager. The NetworkManager daemon maks networking configuration and operation easy and automatic as possible by managing network interfaces, either Ethernet, WiFi, or Mobile Broadband devices. Besides, NetworkManager provides a rich API to control network settings and operations. However, when configuring servers It’s […]


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