Available now! Telegram Research 2025 β the year's key insights 
Linux and DevOps
Download and Watch Premium Linux and DevOps Courses Buy ads: https://telega.io/c/LinuxMastery
Show moreπ Analytical overview of Telegram channel Linux and DevOps
Channel Linux and DevOps (@linuxmastery) in the English language segment is an active participant. Currently, the community unites 66 281 subscribers, ranking 2 481 in the Education category and 5 052 in the India region.
π Audience metrics and dynamics
Since its creation on Π½Π΅Π²ΡΠ΄ΠΎΠΌΠΎ, the project has demonstrated rapid growth, gathering an audience of 66 281 subscribers.
According to the latest data from 22 June, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by 504 over the last 30 days and by 2 over the last 24 hours, overall reach remains high.
- Verification status: Not verified
- Engagement rate (ER): The average audience engagement rate is 10.99%. Within the first 24 hours after publication, content typically collects 2.25% reactions from the total number of subscribers.
- Post reach: On average, each post receives 7 283 views. Within the first day, a publication typically gains 1 494 views.
- Reactions and interaction: The audience actively supports content: the average number of reactions per post is 22.
- Thematic interests: Content is focused on key topics such as linux, scripting, command, 040k|, docker.
π Description and content policy
The author describes the resource as a platform for expressing subjective opinions:
βDownload and Watch Premium Linux and DevOps Courses
Buy ads: https://telega.io/c/LinuxMasteryβ
Thanks to the high frequency of updates (latest data received on 23 June, 2026), the channel maintains relevance and a high level of publication reach. Analytics show that the audience actively interacts with content, making it an important point of influence in the Education category.
π Learn how to set up email with Postfix, the mail transport agent for Linux, and study for Postfix-related questions from the RHCE certification exam.π Topics: Linux π€ Join Linux and DevOps for more courses
The ls command is often the go-to tool for checking a fileβs attributes, such as permissions, ownership, and timestamps.But what if you need more detailed information about a file or even the file system it resides on? Thatβs where the stat command comes in.
The stat command, short for βstatus,β is a powerful utility in Linux that provides detailed insights into files and file systems.While ls gives a quick overview, stat dives deeper, offering comprehensive data like block size, inode number, and security context. It's especially handy for examining file timestamps, such as the last access, modification, or change times.
Sender Policy Framework (SPF) is an email authentication protocol that helps verify that emails are sent from authorized servers for a specific domain. It prevents email spoofing by allowing domain owners to publish a list of authorized mail servers in their DNS records. Receiving mail servers then use this list to validate the sender's identity.
