How To Install SQLAlchemy

Posted on January 21, 2020 by David Singer | Updated: January 23, 2020
Category: Tutorials | Tags: CentOS, databases, DBAPI, developer, Expression, Firebird, git, Informix, language, Mapper, mapping, Microsoft SQL, MySQL, object, Oracle, ORM, pip, pip3, PostgreSQL, Python, Python 3, Python classes, python-pip, Raw SQL, Relational, SQL, SQL Expression Language, SQLAlchemy, SQLite, sqlite3, Sybase, tables, toolkit, Ubuntu, utilities, venv, virtualenv

Reading Time: 7 minutes

The SQLAlchemy Toolkit and Object Relational Mapper is an extensive set of utilities for working with Python and databases. This toolkit provides a package full of popular persistence patterns, designed for economical and robust database accessibility. SQLAlchemy allows a developer to use simple SQL statements (unlike other Object Relational Mapping tools) which provide a helpful method to connect database tables with user-defined Python classes. The SQLAlchemy Object Relational Mapping tool is primarily centered on using the SQL Expression language.

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How to Install TensorFlow on CentOS

Posted on January 16, 2020 by Justin Palmer
Category: Tutorials | Tags: application, CentOS, CentOS 8, Conda, data management, Data Science, Fintech, installation, IoT, Linux, machine learning, machine learning models, Python, Python 3, Python shell, Python Support, Python web application, python-pip, smb, Tensorflow, tensorflow platform, venv, virtualenv, Web Application Development, Web Applications

Reading Time: 4 minutes

In this tutorial, we are going to take a look at how to get started with TensorFlow on CentOS. We will be covering two methods. First, we will take a look at installing TensorFlow in a Python virtual environment via the Python package manager pip. After that, we will walk through installing TensorFlow via the Anaconda package manager. Finally, we will cover building a TensorFlow pip package from source.

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How to Setup a Python Virtual Environment on CentOS

Posted on January 9, 2020 by Justin Palmer | Updated: January 17, 2020
Category: Tutorials | Tags: application, CentOS, CentOS 8, data management, Data Science, Fintech, IoT, machine learning, Python, Python 3, Python shell, Python Support, Python web application, python-pip, smb, venv, virtualenv, Web Application Development, Web Applications

Reading Time: 5 minutes

In this tutorial, we are going to cover how to set up a Python virtual environment on CentOS. A Python virtual environment makes it possible to install Python packages into a discreet Python ecosystem that is entirely separate from your system’s default Python framework. This means that you do not have to worry about overwriting the installation of any current packages that might be defaulted to the existing version of Python on your system.

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How To Install Chef On CentOS 7

Posted on January 6, 2020 by Denis Bosack | Updated: January 14, 2020
Category: Tutorials | Tags: ansible, Automation, CentOS, CentOS 7, chef, Chef-Manage, cookbooks, deployment, devops, IaC, Infrastructure as Code, Open Source, Organization, playbook, provisioning, puppet, remote management, ROR, ruby-on-rails, server administration

Reading Time: 3 minutes

What is Chef?

Chef is a popular, open-source, IaC (Infrastructure as Code) management tool. It eases administration, configuration, and deployment of server resources across a network from a central location.

What is IaC?

IaC (or Infrastructure as code) is the procedure of provisioning, coordinating, and controlling servers via machine-readable files, that are defined in commonly reused records called cookbooks rather than physical hardware configuration or interactive configuration tools.

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How to Install Python 3 on CentOS 7

Posted on January 3, 2020 by Justin Palmer
Category: Tutorials | Tags: bzip2-devel, CentOS, CentOS 7, gcc, OpenSSL-devel, pip, Python, Python 3, Python Support, python-pip, Source Install

Reading Time: 3 minutes

The CentOS 7 Linux distribution includes Python 2 by default. However, Python 2 is going to reach EOL on January 1, 2020. While some legacy applications might require access to Python 2 for various reasons, it’s vitally important to kick start new projects in Python 3.

In this tutorial, we are going to take a look at how to get up and running with Python 3 on a CentOS 7 server. Specifically, we will take a look at how to install Python 3 via the CentOS 7 package manager Yum as well as from source.

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Lynis: A Security Auditing Tool For Linux

Posted on January 1, 2020 by David Singer
Category: Tutorials | Tags: Audit, CentOS, compliance, diagnostics, hipaa, Linux, Lynis, PCI, PCI Compliant, Pen testing, Security, tool, Ubuntu, vulnerability

Reading Time: 20 minutes

What is Lynis?

Lynis is a well known, seasoned security tool for Linux based systems (including macOS and/or other Unix-based operating systems. It performs an extensive health scan of your systems to support system hardening and compliance testing. The project is open-source software with the GPL license and available since 2007.

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How to Setup OpenVPN

Posted on December 26, 2019 by David Singer | Updated: December 27, 2019
Category: Tutorials | Tags: authentication, CentOS, CentOS 7, OpenVPN, OpenVPN Server, Source Install, Ubuntu, Ubuntu 18.04, virtual private network, vpn, VPN Client, VPN Server

Reading Time: 4 minutes

What is OpenVPN?

The OpenVPN software bundle is a set of open-source, virtual private network (VPN) applications used to create a direct, secure site-to-site connection that provides remote access between two locations.

The OpenVPN Server consists of three main parts:

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How Do I Use GPG?

Posted on December 20, 2019 by David Singer | Updated: January 2, 2020
Category: Tutorials | Tags: asymmetric encryption, Asynchronous key cryptography, CentOS, decrypt, encrypt, encryption, Gnu Privacy Guard, GnuPG, GPG, keys, passphrase, PGP, Pretty Good Privacy, Privacy, private keys, public keys, secure, Secure Communications, Security, Ubuntu

Reading Time: 10 minutes

What is GPG?

GnuPG (or Gnu Privacy Guard) is an adaptation of an earlier encryption standard known as PGP (or Pretty Good Privacy). GPG uses the method of “public” and “private” keys for the encryption and signing of messages or data.

In this article, we’re going to be discussing the following topics:

Why is GPG needed?
How Does Public Key Encryption Work?
How do I Setup GPG Keys?
How do I Find Other Users’ Public Keys?
How do I Make My Public Key Available To Others?
How do I Encrypt and Decrypt Messages with GPG?

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DStat Is Now PCP – Performance Co-Pilot

Posted on December 16, 2019 by David Singer
Category: Tutorials | Tags: atop, CentOS, DStat, ifstat, iftop, iostat, iotop, Metrics, netstat, PCP-DStat, Performance Co-Pilot, PMAPI, sar, top, Ubuntu, vmstat

Reading Time: 7 minutes

Performance Co-Pilot (PCP) is a compact assessment and evaluation tool that is used to collect a wide array of server metrics and examines current and prior operational data. It is designed to be easily customizable utilizing modern APIs and other resources used to extend its functionality. Redhat has taken many of the best features of DStat and coupled them with additional capabilities that extended its usefulness, and have created their own updated version called Performance Co-Pilot.

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Install Fail2Ban On CentOS 7

Posted on December 13, 2019 by David Singer | Updated: December 16, 2019
Category: Tutorials | Tags: Attack, brute force, CentOS, CentOS 7, epel, fail2ban, firewall, firewalld, github, Security, Security Practices, SSH, systemctl

Reading Time: 3 minutes

What Is Fail2Ban?

Fail2ban is an open-source software that actively scans the servers log files in real-time for any brute force login attempts, and if found, summarily blocks the attack using the servers firewall software (firewalld or iptables). Fail2Ban runs as a background process and continuously scans the log files for unusual login patterns and security breach attempts.

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Liquid Web | Knowledge Base

Tag: CentOS

How To Install SQLAlchemy

How to Install TensorFlow on CentOS

How to Setup a Python Virtual Environment on CentOS

How To Install Chef On CentOS 7

What is Chef?

What is IaC?

How to Install Python 3 on CentOS 7

Lynis: A Security Auditing Tool For Linux

What is Lynis?

How to Setup OpenVPN

What is OpenVPN?

How Do I Use GPG?

What is GPG?

DStat Is Now PCP – Performance Co-Pilot

Install Fail2Ban On CentOS 7

What Is Fail2Ban?

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What is Chef?

What is IaC?

What is Lynis?

What is OpenVPN?

What is GPG?

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