Create Python Environment for development

Virtual environment, a self-contained directory tree that contains a Python installation for a particular version of Python, plus a number of additional packages. Ubuntu 18.04 LTS comes with default Python3. In order to install pip3 and virtual environment use the below command. Install Components sudo apt-get install python3 python3-pip python3-venv…

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Install pip3 on Ubuntu 18.04 LTS

Ubuntu 18.04 LTS comes with default Python3. In order to install pip3 use the below command. apt-get install python3-pip The above command update the python3 to the latest version, along with many dependencies and build essential tool too. # python3 –version Python 3.6.5 # apt-get install python3-pip # python3 –version…

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Install OrientDB 3.0.11 on Ubuntu 18.04 LTS

OrientDB is an open source NoSQL database management system written in Java. It is a multi-model database, supporting graph, document, key/value and object models but the relationships are managed as in graph databases with direct connections between records. It supports schema-less, schema-full and schema-mixed modes. It has a strong security…

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SSL Replication

Percona Server generates SSL certificates by default. With SSL replication, we can encrypt the communication between master and slave server. Encrypted Replication On Master server add “REQUIRE SSL” to the replication user, as show below. GRANT REPLICATION SLAVE ON *.* to ‘repl_user’@’%’ IDENTIFIED BY ‘repl_pass’ REQUIRE SSL; CHANGE MASTER MASTER_SSL=1,…

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MySQL SSL Connection

With an unencrypted connection between the MySQL client and the server, someone with access to the network could watch all your traffic and inspect the data being sent or received between client and server. MySQL supports encrypted connections between clients and the server. Percona server generates all the SSL certificates…

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ScyllaDB Backup

Scylla is an open-source distributed NoSQL data store. It was designed to be compatible with Apache Cassandra while achieving significantly higher throughputs and lower latencies. Scylla is a fault tolerance system, even though it is recommended to regularly backup data to external storage. Backup is per node basis. Therefore take…

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Setup Puppet Server 5 on CentOS 7

Puppet is a ruby based configuration management tool (IT automation software), licensed under Apache 2.0 designed to help system administrators, automate many repetitive task they regularly perform . It is open-source, flexible, customizable framework for managing the configuratons of computer system. It defines and enforce the state of your infrustructure…

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Install LAMP on CentOS 7

A LAMP (Linux, Apache, MySQL, PHP) stack is free, and open-source web stack. It is used for hosting web content in a Linux environment.Many consider this as the platform of choice for high performance web apps. In this article, i will illustrate the LAMP setup process. CentOS7 Upgrade centos to…

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Install LAMP on Ubuntu 18.04 LTS

A LAMP (Linux, Apache, MySQL, PHP) stack is free, and open-source web stack. It is used for hosting web content in a Linux environment.Many consider this as the platform of choice for high performance web apps. In this article i will illustrate the LAMP setup process. Ubuntu 18.04 LTS Update…

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.my.cnf: MySQL User and Password

This is only for test environment and lazy people. Every time we have to add MySQL username and password to log in. Using this way we can login without credentials. MySQL Username and Password After the below changes, you will be able to login without credentials. All the commands like…

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