Cybersecurity still a battle among a group of humans with firewalls, access controls, dynamic passwords, and more mechanism. Unfortunately, the methodologies going towards inadequate as the battlefield going towards human versus machine. With the increasing number of devices, security breaches are becoming more frequent. Smartphones, Cloud, IoT, BYOD are all newer endpoints which themselves can … [Read more...]
How To Install Apache Phoenix (SQL on HBase)
We talked about Apache Phoenix in our previous guides and articles such as How To Install Apache HBase and List of Apache Projects For Big Data. Apache Phoenix is a massively parallel, relational database engine supporting OLTP for Hadoop using Apache HBase as store. Phoenix provides a JDBC driver that cleverly hides the noSQL store in front enabling the users to create, delete, and alter SQL … [Read more...]
How To Configure Fail2ban To Send Daily Email Report
Fail2Ban is a robust tool. By default the system of Fail2Ban sends an email with each ban. There is an action there named mail-buffered. That action expects 5 ban (default) before sending you an email. But a summary report probably more practical. Here are the required steps on how to configure Fail2ban to send daily email report. This system needs to configure mail server on the server under … [Read more...]
Autostart MySQL After a Crash : Solve WordPress Database Connection Error
WordPress Error establishing a database connection is frequently faced problem. In our previous guides, we pointed to properly configure my.cnf, that is adding [mysqld_safe] stanza at the end of my.cnf file with socket, PID. For newer versions of MYSQL, we written guide for Percona MySQL to auto-restart. Newer Ubuntu, Debian installations do not automatically create the required debian-sys-maint … [Read more...]
How To Install WP CLI With apt get On Ubuntu Server?
In previous articles we discussed about WP CLI. We used to avoid involving WP CLI as most of the new users with cloud, dedicated server may get confused on SSH. Many avoid WP CLI for multi-step CLI works. A Debian installer makes the installation, setup work just easy. This article will guide how to install WP CLI with apt get on Ubuntu server. This guide is usable on server with already running … [Read more...]
How to Install Flextype on Apache : Modern, Flat-File, PHP Powered CMS
Flextype CMS is a Flat-File CMS i.e. needs no database. It is written in PHP. Earlier we listed some flat-file CMS. In that list, on 20th you'll find Monstra CMS. That Monstra CMS now has been Flextype CMS. Octopress is not easy to easy to handle by many - it is actually static site generator. WordPress is perfect for running blogs like our this site. But involving MySQL is really serious matter … [Read more...]
How to Automatically Redirect Subdirectory to Domain (Apache 2.4)
In professional shared hosting, many a times user directory is redirected towards a subdomain. They usually acheive it via some scripting langugage like Perl, PHP with or without MySQL like database. However, we can use just Apache module `mod_rewrite`'s dynamic mass virtual hosts feature to acheive near same result. Here is how to automatically redirect subdirectory to domain with Apache … [Read more...]
Install Jupyter Notebook and TensorFlow On Ubuntu 18.04 Server
On our earlier guides, we installed PyTorch and TensorFlow on Ubuntu server. Those guides are important to understand how to install graphics driver and installing in basic way. We have separate guides on installing Jupyter Notebook. Here is How To Install Jupyter Notebook and TensorFlow On Ubuntu 18.04 Server. It is probably easy to install Anaconda for Python packages. We have separate guides to … [Read more...]
Configure Apache With Fail2Ban on Ubuntu 18.04
Our oldest guide on fail2ban on this website is Installing Fail2ban on Ubuntu 14.04. In this context, it is important to read the article on pam_unix(sushi:auth): authentication failure, which is result of a type of attack. Here is How To Configure Apache With Fail2Ban on Ubuntu 18.04 to block more types of malicious attempts towards server to create a practical firewall. If you are pretty new to … [Read more...]
Analysis of Jenkins for DevOps : Part I
Jenkins is a software system developed for maintaining collaboration, quality management, agility. Modern IT projects require high-quality delivery. At the same time, the process must be fast enough to respond to the ever-changing demands of operational business. Misconceptions about the coexistence of these two issues, quality management and agility, often cause irritation or even frustration for … [Read more...]
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