Administration Section
Welcome! You are on the sixth lesson of the Fortinet Getting Started course. In the last lesson, we covered the basics of working with NAT technology on FortiGate and also released our test user to the Internet. Now it's time to focus on user security in that environment. In this lesson, we will discuss the following security profiles: Web Filtering, Application Control, and HTTPS […]
On January 21, 2020, the official release of Wine 5.0 took place — a free tool for running native Windows applications in UNIX environments. This is an alternative, open-source implementation of the Windows API. The recursive acronym WINE stands for 'Wine Is Not an Emulator.' This version represents about a year of development and includes over 7,400 individual changes. Lead developer Alexandre Julliard highlights four: […]
I want to share some thoughts on the necessity or lack thereof of having a control panel for a commercial single-server web project with a very part-time admin. The story began a couple of years ago when acquaintances asked me to assist with the technical side of purchasing a business — a news website. I needed to understand what works where and ensure that everything […]
Georgia is a small country in the Caucasus that is successfully fighting for global recognition as the birthplace of wine, where this intoxicating drink has been produced for over 8,000 years. Georgia is also known for its hospitality, cuisine, and beautiful natural landscapes. So how can it be beneficial for freelancers and companies working in the IT technology sector? Favorable tax conditions for IT companies […]
Hello, everyone! I'm a backend developer, writing microservices in Java + Spring. I work in one of the teams developing internal products at Tinkoff. In our team, we often face the question of optimizing queries in the database. There is always a desire for a bit more speed, but relying solely on well-thought-out indexes isn't always feasible — we have to look for alternative solutions. During one of […]
Recently, we already published a review of Plesk — a control panel for hosting and websites. You can find basic information about the console and the developer at the link, familiarize yourself with features for different user groups and the interface for website administrators. In this article, we will discuss the new version of the panel, which was released recently — Plesk Obsidian, for which you can obtain a license […]
Testing all the panels offered by the provider before starting work is challenging, so we have gathered the three most popular ones in a brief overview. Difficulties arise when a client transitions from OS administration to hosting-related tasks. They have to manage multiple sites with different CMSs and numerous user accounts. To reduce labor costs, it's worth installing a solution that allows configuration of relevant services through a convenient web interface […]
This article has been translated specifically for students of the 'Linux Administrator' course. Here you will find answers to important questions about life, the universe, and everything in Linux with enhanced security. 'The important truth that things are not always what they seem is well known...' — Douglas Adams, The Hitchhiker's Guide to the Galaxy. Security. Reliability. Compliance. The Four Horsemen of the SysAdmin Apocalypse. In addition to...
Everyone talks about the processes of development and testing, staff training, and motivation enhancement, but these processes are insufficient when a minute of service downtime costs astronomical sums. What do you do when you're conducting financial transactions under a strict SLA? How can you improve the reliability and fault tolerance of your systems, excluding development and testing? The next HighLoad++ conference will take place on April 6 and 7, 2020.
This article will discuss the nginx-log-collector project, which will read nginx logs and send them to a Clickhouse cluster. Typically, ElasticSearch is used for logs. Clickhouse requires fewer resources (disk space, RAM, CPU). Clickhouse writes data faster. Clickhouse compresses data, making the data on disk even more compact. The advantages of Clickhouse are evident in the two slides from the presentation How VK […]
This article explains in detail how to address database compatibility issues during deployment. We will discuss what can happen to your production applications if you attempt a deployment without prior preparation. Then we will go through the application lifecycle stages necessary to achieve zero downtime. As a result […]
Sometimes, you need to quickly set up monitoring for a new service, but there's no ready infrastructure or expertise at hand. In this guide, we will implement a tool for monitoring any web services in just half an hour, using only the built-in tools of Ubuntu: bash, cron, and curl. For delivering notifications, we will use Telegram. The 'cherry on top' will be the emotional engagement of users. Tested on real people — it works. When we […]