ProHoster > Articles by: ProHoster

Author: ProHoster

Getting promoted: Will Lisa Su be able to leave AMD for a position at IBM?

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This morning there were no signs of trouble. AMD announced in a laconic press release that after many years of absence, Rick Bergman, who saw the “best times” of the AMD graphics division immediately after purchasing the assets of ATI Technologies, is returning to the ranks of management. As a reminder, Bergman's responsibilities as AMD's executive vice president of Computing and Graphics will include overall management of the […]

On the Meteor-M satellite No. 2, the operability of one of the key systems was restored

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The functionality of the Russian Earth remote sensing satellite “Meteor-M” No. 2 has been restored. This was reported by the online publication RIA Novosti, citing information received from Roscosmos. At the end of July, we reported that some of the instruments on the Meteor-M apparatus No. 2 failed. Thus, the module for temperature and humidity sensing of the atmosphere (microwave radiometer) failed. In addition, the radar stopped working […]

Seamless MongoDB to Kubernetes Migration

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This article continues our recent material about RabbitMQ migration and is dedicated to MongoDB. Since we maintain many Kubernetes and MongoDB clusters, we came to the natural need to migrate data from one installation to another and do it without downtime. The main scenarios are the same: moving MongoDB from a virtual/hardware server to Kubernetes or moving MongoDB within the same Kubernetes cluster […]

Canon designs wireless charging system for cameras

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The United States Patent and Trademark Office (USPTO) has granted Canon a patent for an interesting development in the field of digital photographic equipment. The document talks about a wireless charging system for cameras. To do this, it is proposed to use a special platform with built-in components for transmitting energy wirelessly. It is noted that an NFC module will be integrated into the site. It will allow you to automatically identify the installed [...]

August 21 broadcast of Zabbix Moscow Meetup #5

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Hello! My name is Ilya Ableev, I work in the Badoo monitoring team. On August 21, I invite you to the traditional, fifth, meeting of the community of Zabbix specialists in our office! Let's talk about the eternal pain - historical data repositories. Many have encountered performance problems caused by typical reasons: low disk speed, insufficiently good DBMS tuning, internal Zabbix processes that delete old data […]

Sysadmin vs boss: the fight between good and evil?

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There is a lot of epic about system administrators: quotes and comics on Bashorg, megabytes of stories on IThappens and fucking IT, endless online dramas on forums. This is no coincidence. Firstly, these guys are the key to the functioning of the most important part of the infrastructure of any company, secondly, there are now strange debates about whether system administration is dying out, thirdly, the system administrators themselves are quite original guys, communication with them is a separate […]

Acer Nitro XF252Q gaming monitor reaches 240Hz refresh rate

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Acer has introduced the XF252Q Xbmiiprzx Nitro series monitor, designed with computer games in mind. The new product uses a TN matrix measuring 25 inches diagonally. The resolution is 1920 × 1080 pixels, which corresponds to Full HD format. AMD FreeSync technology is responsible for improving the smoothness of the gameplay. At the same time, the refresh rate reaches 240 Hz, and the response time is 1 ms. […]

Fault-tolerant IPeE network from improvised means

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Hello. This means there is a network of 5k clients. Recently a not very pleasant moment came up - 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 […]

How we designed and implemented a new network on Huawei in the Moscow office, part 3: server factory

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In the previous two parts (one, two), we looked at the principles on which the new custom factory was built and talked about the migration of all jobs. Now it's time to talk about the server factory. Previously, we did not have any separate server infrastructure: server switches were connected to the same core as the user distribution switches. Access control was carried out [...]

Understanding Latin abbreviations and phrases in English

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A year and a half ago, while reading papers about the Meltdown and Specter vulnerabilities, I caught myself not really understanding the difference between the abbreviations ie and eg. It seems clear from the context, but then it seems somehow not quite right. As a result, I then made myself a small cheat sheet specifically for these abbreviations, so as not to get confused. […]

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