Category Administration
Several years ago, the author visited a flea market hosted by W6TRW at the Northrop Grumman car park in Redondo Beach, California. Between the polar bear-shaped TVs and the plethora of phone chargers and power supplies was a wooden box with a lock, a wooden handle, and a DB-25 connector on the side. Next to the connector is a switch: half duplex - full duplex. The author realized that [β¦]
This is the final part of the article, here is the beginning habr.com/ru/post/445568 Last time I wrote about how I implemented device monitoring, now we will talk about management. In discussions with βtechniciansβ on the Customerβs side, I often encounter a limited perception of the capabilities of such small devices (with low memory resources and performance), many believe that βthe maximum we need to send is [β¦]
Since 1999, our bank has been using the integrated banking system BISKVIT based on the Progress OpenEdge platform to serve the back office, which is widely used all over the world, including in the financial sector. The performance of this DBMS allows you to read up to a million or more records per second in one database (DB). We have Progress OpenEdge serving [β¦]
Good afternoon, dear It was Thursday evening and one of our admins had to make a disk resize on one of the KVM virtual machines. It would seem a completely trivial task, but it can lead to data loss in general ... And so ... the whole story is already under the cut As I already said - on Thursday evening (it seems like rain [β¦]
Wireless data transmission technologies have taken their place in our lives. Every day, often without realizing it, we take advantage of the benefits of this achievement of civilization at home, in the office, on the way home or while relaxing on the beaches of sunny, warm countries. Our voice, our images, all the pieces of the digital world that are so dear to us, almost always at one stage or another [β¦]
Intel Xe video card with support for SGX GPU From the very moment of the announcement that Intel would develop its own discrete video card, all progressive humanity has been waiting for the plans to begin to transform into something tangible. Few technical details are known yet, but today we can report something concrete and also important. It became known that the future video card [β¦]
Domains with emoji have existed for many years, but have not yet gained popularity [Unfortunately, the Habr editor does not allow you to insert emoji into the text. Emoji links can be found in the original text of the article (a copy of the article on the Archive website) / approx. transl.] If you enter the addresses ghostemoji.ws and .ws into the address bar of your browser, you will be taken to two different [β¦]
Yandex.Navigator perfectly finds its way home, to work or to the store. Today we asked him to give our users a tour of DataGrip. How to search by source? Where is the list of files? How to find a table? The answers to these questions are in our video today. Source: www.habr.com
Man, as you know, is a lazy creature. And even more so when it comes to choosing a strong password. I think every administrator has ever faced the problem of using easy and standard passwords. This phenomenon is often found among the upper echelons of the company's management. Yes, yes, it is precisely among those who have access to classified or commercial information that it would be highly undesirable to eliminate the [β¦]
It will find application in hyperscale data centers. / photo Not4rthur CC BY-SA Why the specification was updated Engineers from the Open Compute Project (OCP) introduced the first version of the standard back in 2013. He described the modular and open design of 21-inch wide data center racks. This approach has increased the effective use of rack space to 87,5%. For comparison, [β¦]
In the US, subscriber authentication technology is gaining momentum - the SHAKEN / STIR protocol. Let's talk about the principles of its operation and potential implementation difficulties. / Flickr / Mark Fischer / CC BY-SA Call Problem Unsolicited robo calls are the most common source of consumer complaints to the US Federal Trade Commission. In 2016, the organization recorded five million hits, a year later [β¦]
Backup is not one of the trendy technologies that are shouted about from every iron. It just has to be in any serious company, that's all. We back up several thousand servers in our bank - this is a complex, interesting job, some of the subtleties of which, as well as typical misconceptions about backups, just want to be told. This topic [β¦]
