Linux

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How to Install phpMyAdmin on CentOS 7

When you install phpMyAdmin on CentOS 7, you get to enjoy a new, intuitive user interface through your browser, instead of using the command line. Through this web interface, you can perform all the typical operations like managing databases, tables, columns, relations, users etc, while at the same being able to execute any SQL statement directly.

To increase its adoption rate, phpMyAdmin is translated into 72 different languages and supports both RTL (right-to-left) and LTR (left-to-right)  languages.

Some other phpMyAdmin features:

  • create, browse, edit, and drop databases, tables, views, columns, and indexes
  • display multiple result sets through stored procedures or queries
  • create, copy, drop, rename and alter databases, tables, columns and indexes
  • maintenance server, databases and tables, with proposals on server configuration
  • load text files into tables
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How to install Let’s Encrypt on CentOS 7 with Apache

Today, we will show you, How to install Let’s Encrypt on CentOS 7 with Apache. Let’s Encrypt is a completely free and automated, new certificate authority developed by the Internet Security Research Group (ISRG) and recognized by all major browsers. They make it a breeze to set up TLS certificates for your web server. And for free! Let’s Encrypt is supported by major players like Mozilla, Akamai, Cisco, the EFF and managed by the Linux Foundation. Let’s Encrypt provides free, automatic and secure certificates. The website owners can easily obtain security certificates within minutes, enabling a safer web experience for all.In today’s tutorial we are going to learn how to install a Let’s Encrypt SSL certificate on CentOS 7 with Apache, and configure the certbot for automatic renewal.

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How to use LVM (pvcreate, pvscan, pvdisplay, vgcreate, lvcreate)

LVM = Logical Volume Manager.

You can create logical partitions with LVM that can span across one or multiple physical hard drives.

Hard drives are divided into physical volumes, then those physical volumes are combined together to create the volume group and next the logical volumes which is created from the volume group.

Macro steps.

  • Identify the physical hard drives to be used and create Physical Volumes
  • Create the Volume Group from Physical Volumes
  • Create Logical Volumes from Volume Group
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