Blog Section
Hello again! Classes in the new group of the "Linux Administrator" course begin tomorrow, so we are publishing a useful article on the topic. In the previous tutorial, we covered how to use pam_cracklib to strengthen passwords in Red Hat 6 or CentOS systems. In Red Hat 7, pam_pwquality replaced cracklib as the default pam module for validation […]
The ZeroNet version rewritten in Python3 is ready for testing. ZeroNet is free and open-source software, a peer-to-peer network that does not require servers. It uses BitTorrent technology to exchange web pages and Bitcoin cryptography to sign transmitted data. It is considered a censorship-resistant method of delivering information without a single point of failure. The network is not anonymous due to the nature of the BitTorrent protocol. ZeroNet supports […]
LanguageTool is a free open-source system for checking grammar, style, punctuation, and spelling. The core functionality of LanguageTool can be used as an extension for LibreOffice/Apache OpenOffice and as a Java application. An online text checking form is available on the system's website http://www.languagetool.org/ru. A separate LanguageTool proofreader app is available for Android mobile devices. In the new version 4.5: Updated checking modules for Russian […]
Greetings, esteemed Habr readers! Today, we'll talk about a pressing issue + a few clarifications regarding this article. I will start by saying that I have been involved in recruitment for over 11 years. I have gone through all stages of development, from a junior recruiter to a human resources director. I've seen a lot and have stories to tell. Recruitment, like any other activity in working with […]
This article is a continuation of the previous material dedicated to the features of configuring Palo Alto Networks equipment. Here, we want to discuss setting up IPSec Site-to-Site VPN on Palo Alto Networks hardware and a possible configuration option for connecting multiple Internet service providers. A standard scheme connecting the head office to a branch office will be used for demonstration. To ensure a fault-tolerant Internet connection, […]
Practical examples of SSH that will elevate your remote system administrator skills. Commands and tips will help not only to use SSH but also to navigate the network more effectively. Knowing a few SSH tricks is beneficial for any system administrator, network engineer, or security specialist. Practical SSH examples SSH socks proxy SSH tunneling (port forwarding) SSH tunnel to a third host […]
"Secure Shell" (SSH) is a network protocol for establishing a secure connection between hosts, typically over port 22 (which is better changed). SSH clients and SSH servers are available for most operating systems. Inside SSH, nearly any other network protocol can operate, meaning you can work remotely on another computer, transmit audio or video streams over an encrypted channel, etc. Additionally, through […]
On April 12, 2019, two years after the previous release, the Unigine Superposition benchmark version 1.1 was launched. Key changes include: The interactive VR mode, previously available only in the paid versions of the benchmark, is now accessible in the free version. Users can utilize VR headsets such as Oculus Rift, HTC Vive / Vive Pro, or others compatible with SteamVR. The VR mode is also available for Linux users […]
Another message from Headhunter made me reflect on why recruitment efforts are not always effective and can sometimes be counterproductive for their clients. Each professional in the IT field regularly receives requests from headhunters. Some completely ignore such requests, while others continue to politely refuse the persistent headhunters. In my opinion, there are several reasons […]
Despite the many advantages of Palo Alto Networks firewalls, there is surprisingly little material available online about configuring these devices or texts that describe experiences with their implementation. We decided to compile the materials we've accumulated over time while working with this vendor's equipment and share the features we encountered during various projects. To get acquainted with […]
A fresh build of Raspbian — a Debian distribution for Raspberry Pi — has been released. There isn't much of interest, but crucial updates include: Improved performance of SDL and pixman. Overscan (the black border around the edges of the display for resolution alignment) can now be disabled from the initial setup menu. Displaying third-party volumes on the desktop is enabled by default. Enhanced support for wpa_passphrase in the network plugin. Ethtool and rng-tools have been added to the base installation […]
It so happens that in the CIS, a Russian Q&A resource on IT topics called Toster is quite popular. However, it felt like something was missing when I started exploring it more deeply. This led to improvements in the form of a browser extension. Introducing Toster Comfort. Key features: Name: Toster Comfort. User statistics: percentage of questions with solutions; karma from Habr; profile summary […]
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