Ubuntu – Email
The default email client in Ubuntu is Thunderbird. The following steps show how to start using Thunderbird as the email client software. We can quickly search for any application using…
Linux Admin – Log Management
In this topic, we will discuss Log Management in CentOS. ystemd has changed the way system logging is managed for CentOS Linux. Instead of every daemon on the system placing…
Linux Admin – Traffic Monitoring in CentOS
Here are several third-party tools that can add enhanced capabilities for CentOS traffic monitoring. we will focus on those that are packaged in the main CentOS distribution repositories and the…
Linux Admin – Remote Management
When talking about remote management in CentOS as an Administrator, we will explore two methods − Console ManagementGUI Management Remote Console Management Remote Console Management means performing administration tasks from…
Linux Admin – Install Anonymous FTP
Before delving into install Anonymous FTP on CentOS, we need to learn a little about its use and security. FTP is a really efficient and well-defined protocol for transferring files between computer…
Set Up Postfix MTA and IMAP/POP3
In this topic, we will discuss Set Up Postfix MTA and IMAP/POP3 in Linux. In order to send an email from our CentOS 7 server, we will need the setup…
Linux Admin – MySQL Setup On CentOS 7
As touched upon briefly when configuring CentOS for use with Maria DB, there is no native MySQL package in the CentOS 7 yum repository. To account for this, we will need to…
MariaDB – Indexes & Statistics Tables
Indexes & Statistics Tables are tools for accelerating record retrieval. An index spawns an entry for each value within an indexed column. There are four types of indexes − Primary (one…
MariaDB – Alter Command
The Alter command provides a way to change an existing table's structure, meaning modifications like removing or adding columns, modifying indices, changing data types, or changing names. ALTER also waits…
MariaDB – Transactions
Transactions are sequential group operations. They function as a single unit, and do not terminate until all operations within the group execute successfully. A single failure in the group causes…