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Ahmer's SysAdmin Recipes is a blog for Linux System Administrators. This blog provides recipes for Installation & Configuration of Linux, Ubuntu, Oracle Database, MySQL, Apache, Nginx, Oracle Cloud Control, FreeIPA, Kerberos & OpenLDAP, Subversion, PXE, DevOps, etc. over Red Hat Enterprise Linux (RHEL), CentOS, Ubuntu and Windows.

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Saturday, 16 February 2019

Reset MariaDB root password on CentOS 7

reset-mariadb-root-password-on-centos-7MariaDB the famous fork of MySQL database. It is free and open-source under GNU GPL license. Due to the acquisition of MySQL by Oracle corporation, Red Hat decided to include MariaDB as the default RDBMS in their RHEL 7  operating system.

Reset MariaDB root password on CentOS 7

Wednesday, 13 February 2019

Install Docker-CE on an Offline CentOS 7 Machine

install-docker-ce-on-an-offline-centos-7-machineDocker is a computer software, that performs operating-system-level virtualization, also known as Containerization. Docker is developed by Docker Inc. Docker uses predefined and custom images to create and run containers. Images are provided through Docker Hub (an online Docker registry).

Install Docker-CE on an Offline CentOS 7 Machine

Friday, 8 February 2019

Install MariaDB MaxScale Database Proxy on CentOS 7

Install MariaDB MaxScale Database Proxy on CentOS 7

MaxScale is an intelligent database proxy developed by MariaDB Corporation. MaxScale is free and open source under Business Source License (BSL). MaxScale extends the high availability, load-balancing, scalability and security of MariaDB server and it simplifies the application development by decoupling it from underlying database infrastructure.

Install MariaDB MaxScale Database Proxy on CentOS 7

Monday, 4 February 2019

Install MariaDB Galera Cluster on CentOS 7

Configure MariaDB Galera Cluster on CentOS 7MariaDB Galera Cluster is a synchronous multi-master cluster for MariaDB. It is a fork of Galera Cluster, the world's most advanced, free and open source cluster engine. Currently, it only supports InnoDB storage engines.

Install MariaDB Galera Cluster on CentOS 7

Wednesday, 30 January 2019

Installing MariaDB 10.3 Server on CentOS 7

installing-mariadb-10.3-server-on-centos-7MariaDB is a famous fork of MySQL relational database management system. Just like it predecessor MariaDB is also free and open source under the GNU GPL license. MariaDB is community-developed and commericially supported. MariaDB is developed by some of the original developers of MySQL.

Installing MariaDB 10.3 Server on CentOS 7

Saturday, 26 January 2019

Configure a Certification Authority (CA) in CentOS 7

configure-a-certification-authority-ca-in-centos-7Certification Authority, abbreviated as CA, is an entity that issues digital certificates. A digital certificate certifies the ownership of a public key by the CN (Common Name) of the certificate. Third parties trust the SSL certificates of the websites that are digitally signed by a trusted CA.

Configure a Certification Authority (CA) in CentOS 7