Are you working with the Apache Cassandra NoSQL database? On May 23, Odnoklassniki invites experienced developers to their office in St. Petersburg for a meetup focused on working with Apache Cassandra. Your experience with Cassandra and your willingness to share it are what matter. Register for the event. We at OK began using Apache Cassandra in 2010 to store photo ratings. Currently, we […]
In this section, I will discuss some of the customization options I needed. This is not a complete list of what Buildroot offers, but these options are functional and do not require altering the Buildroot files. Using the EXTERNAL mechanism for customization. The previous article discussed a simple example of adding your configuration by including a defconfig for the board and necessary files directly into the directory […]
IP masking may be required for various tasks, from accessing blocked content to bypassing anti-bot systems of search engines and other online resources. I found an interesting post about how this technology can be applied to corporate tasks and prepared its adapted translation. There are several types of proxy implementations: Residential proxies refer to IP addresses that internet service providers assign to owners […]
R is packed with a variety of functions. Below, I will highlight ten of the most interesting ones that many might not know about. This article arose after I discovered that my discussions on some of the features of R that I use at work were met with enthusiasm by my programmer acquaintances. If you are already familiar with all of this, I apologize for […]
From May 27-29, we are hosting the fourth Slyurm: an intensive course on Kubernetes. Bonus: online courses on Docker, Ansible, and Ceph. We have derived topics from Slyurm that are important for working with Kubernetes but are not directly related to k8s. How, why, and what we achieved — read on. All participants of Slyurm-4 will receive access to these courses. Full money-back guarantee on the first day in St. Petersburg […]
The Slurm-3 intensive on Kubernetes ended on Sunday. We set a personal record: 132 participants, 65 online and 67 in-person. The first Slurm had 50 people, the second 87. We are gradually growing. 126 people created a cluster (the first day's task), and 115 completed the practical work. 6 people completely ignored the practice. We'll assume they only needed […]
The system will cut energy costs in half. / photo Andy Melton CC BY-SA Why is a new architecture needed? According to Data Centre Dynamics, by 2030, electronic devices will consume 40% of all energy produced on the planet. Approximately 20% of this will be attributed to the IT sector and data centers. According to European analysts, data centers already "take" 1.4% of all […]
Microsoft's tech support warns that there may be issues when installing the large May update — Windows 10 May 2019 Update. The reason is the blocking of the system update on devices with an external hard drive or flash drive connected via USB, as well as with a memory card inserted in a card reader, if present on the PC or laptop. If an update is initiated on a computer with connected external drives, […]
Last week I attended the IT conference DUMP (https://dump-ekb.ru/) in Yekaterinburg and want to share what was discussed in the Backend and DevOps sections, and whether regional IT conferences are worth attending. Nikolai Sverchkov from Evil Martians on Serverless What was it all about? The conference had a total of 8 sections: Backend, Frontend, Mobile, Testing and QA, DevOps, […]
Researchers from NCC Group revealed details of a vulnerability (CVE-2018-11976) in Qualcomm chips, allowing the extraction of closed encryption keys located in the isolated Qualcomm QSEE enclave (Qualcomm Secure Execution Environment), based on ARM TrustZone technology. The issue manifests in most Snapdragon SoCs found in Android platform smartphones. Fixes addressing the problem have already been included in the April update […]
Three and a half years ago, the "most legal company in Silicon Valley," as Rambus is quietly called, decided to work on a new image. Around that time, the company underwent a change in leadership, with a new director promising to transform Rambus into a fabless developer of various interesting solutions. The company's first product was buffers for DDR4 server memory and regular memory. The company does not disclose details, but only […]
In addition to the Coffee Lake-H Refresh mobile processors, Intel has today officially introduced new 9th generation Core desktop processors that also belong to the Coffee Lake Refresh family. A total of 25 new models were introduced, most of which are Core processors with a locked multiplier, meaning they are not overclockable. The most advanced new entry in the Core family is the Core […]