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Category: Administration

Administration Section

About admins, DevOps, endless confusion, and DevOps transformation within the company.

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What does it take for an IT company to succeed in 2019? Speakers at conferences and meetups use a lot of loud and not always understandable terms for regular people. The fight for deployment time, microservices, moving away from monoliths, DevOps transformation, and so much more. Stripping away the verbal embellishments and speaking plainly, it all boils down to a simple thesis: create a quality product, and […]

Hacks for working with a large number of small files

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The idea for this article was born spontaneously from a discussion in the comments of the article 'A Few Things About Inodes'. The fact is that the internal specifics of our services involve storing an enormous number of small files. Currently, we have hundreds of terabytes of such data. We encountered some obvious and not-so-obvious challenges and managed to navigate them successfully. Therefore, I'm sharing […]

Testing Infrastructure as Code with Pulumi. Part 1

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Hello, friends. As we prepare for the launch of a new cohort for the 'DevOps Practices and Tools' course, we're sharing a new translation with you. Let's go. Using Pulumi and general-purpose programming languages for Infrastructure as Code offers many advantages: possessing skills and knowledge, eliminating boilerplate in code through abstraction, and familiar tools for your team, such as IDEs and linters. […]

Pros and cons: the price cap for .org has indeed been lifted

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ICANN has allowed the registrar Public Interest Registry, responsible for the .org domain zone, to independently regulate the prices of domains. We discuss the opinions of registrars, IT companies, and non-profit organizations that have been expressed recently. Photo — Andy Tootell — Unsplash Why the conditions have changed According to ICANN representatives, they lifted the price cap on .org for "administrative purposes." The new rules will put the domain […]

Ride the wave of Web 3.0

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Developer Christoph Verdo shares insights about the online course 'Mastering Web 3.0 with Waves' that he recently completed. Tell us a bit about yourself. What drew you to this course? I have been working in web development for about 15 years, primarily as a freelancer. While developing a long-term registration web application for developing countries commissioned by a banking group, I faced the challenge of integrating blockchain certification into it. [...]

A bit about inode

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Periodically, in pursuit of moving to a CR, I am interviewing at various large companies, mainly in St. Petersburg and Moscow, for a DevOps position. I noticed that many companies (many good companies, like Yandex) often ask two similar questions: What is an inode? What reasons can lead to a disk write error (or, for example: why might the disk space run out? [...]

LTE as a symbol of independence

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Is summer a busy time for outsourcing? The summer period is traditionally considered a 'dead season' for business activity. Some people are on vacation, others are reluctant to purchase various goods due to a lack of the right mindset, and even the sellers and service providers prefer to take a break during this time. Therefore, summer for outsourcers or IT specialists working freelance is often seen as a time of 'coming […]

Methods of Integration with 1C

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What are the key requirements for business applications? Among the most important are the following tasks: Ease of changing/adapting the application's logic to changing business needs. Ease of integration with other applications. The way the first task is addressed in 1C was briefly described in the 'Customization and Support' section of this article; we will return to this interesting topic in one of the upcoming articles. […]

We are setting up the 1C server with database publication and web services on Linux

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Today, I would like to discuss how to set up a 1C server on Linux Debian 9 with web services publication. What are 1C web services? Web services are one of the mechanisms of the platform used for integration with other information systems. They are a means of supporting SOA (Service-Oriented Architecture) — a modern standard for application and information system integration. Essentially […]

Challenging migration of MongoDB to Kubernetes

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This article continues our recent piece about the migration of RabbitMQ and is dedicated to MongoDB. Given that we service numerous Kubernetes and MongoDB clusters, we have encountered the natural necessity to migrate data from one installation to another without downtime. The main scenarios remain the same: transferring MongoDB from a virtual or physical server to Kubernetes or migrating MongoDB within a single Kubernetes cluster […]

Sysadmin vs Boss: The Battle of Good vs Evil?

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There is plenty of epic literature about system administrators: quotes and comics on Bashorg, megabytes of stories on IThappens and Dolban-IT, endless online dramas on forums. This is no coincidence. First of all, these guys are the backbone of the crucial infrastructure of any company. Secondly, there are strange debates about whether system administration is dying out. Thirdly, system administrators are quite unique individuals; interacting with them is a separate […]

Fault-tolerant IPeE network made from available resources

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Hello. There is a network of 5,000 clients. Recently, a rather unpleasant moment occurred — in the center of the network, we have a Brocade RX8 and it started sending a lot of unknown-unicast packets. Since the network is divided into VLANs, this is partially not a problem, BUT there are special VLANs for white addresses, etc., and they are stretched over […]

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