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Linux and DevOps

Linux and DevOps

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📈 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 66 146 subscribers, ranking 2 489 in the Education category and 5 188 in the India region.

📊 Audience metrics and dynamics

Since its creation on невідомо, the project has demonstrated rapid growth, gathering an audience of 66 146 subscribers.

According to the latest data from 14 June, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by 409 over the last 30 days and by 24 over the last 24 hours, overall reach remains high.

  • Verification status: Not verified
  • Engagement rate (ER): The average audience engagement rate is 15.72%. Within the first 24 hours after publication, content typically collects 3.73% reactions from the total number of subscribers.
  • Post reach: On average, each post receives 10 400 views. Within the first day, a publication typically gains 2 469 views.
  • Reactions and interaction: The audience actively supports content: the average number of reactions per post is 30.
  • Thematic interests: Content is focused on key topics such as linux, scripting, command, 040k|, docker.

📝 Description and content policy

The author describes the resource as a platform for expressing subjective opinions:
Download and Watch Premium Linux and DevOps Courses Buy ads: https://telega.io/c/LinuxMastery

Thanks to the high frequency of updates (latest data received on 15 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.

66 146
Subscribers
+2424 hours
+2117 days
+40930 days
Posts Archive
📂 Full description Red Hat Enterprise Linux is one of the top enterprise Linux distributions. In this complete guide, Grant McWilliams—consultant, speaker, writer, professor, and developer—introduces you to IPv6 networking, link aggregation and static routing. Grant covers advanced system authentication using LDAP and secures it with Kerberos. Using Apache, he creates secure virtual hosts using TLS security and access control. To provide name service resolution, Grant creates a DNS server using bind and troubleshoots client issues. He dives into network file sharing using both NFS and Samba, as well as securing the latter with Kerberos. Grant also uses SSH to provide security for both the host and users. Plus, he synchronizes the system time with NTP and discusses how to manage MariaDB, including backing up and restoring databases.

🔅 Complete Guide to Red Hat Enterprise Linux 9 🌐 Author: Grant McWilliams 🔰 Level: Intermediate ⏰ Duration: 8h 6m 🌀 Get a
🔅 Complete Guide to Red Hat Enterprise Linux 9 🌐 Author: Grant McWilliams 🔰 Level: IntermediateDuration: 8h 6m
🌀 Get a complete guide to configuring and administering Red Hat Enterprise Linux, one of the top enterprise Linux distributions.
📗 Topics: Red Hat Enterprise Linux 📤 Join Linux and DevOps for more courses

🔰 Understanding Linux System Logs System logs, often found in /var/log directory in Linux systems, are essential for monitor
🔰 Understanding Linux System Logs
System logs, often found in /var/log directory in Linux systems, are essential for monitoring and troubleshooting system issues. Here are short notes on some common system logs:
syslog: A general-purpose system log file that contains messages from various system services and applications. It's the main log file that many other logs feed into. auth.log: Records authentication-related messages, including successful and failed login attempts, password changes, and user authentication events. kern.log: Logs kernel-related messages, such as hardware errors, kernel module loading, and other kernel activities. messages: A catch-all log file that records various system messages, including system startups, shutdowns, and general system-related events. dmesg: Displays kernel ring buffer messages, providing a real-time view of kernel-related events and hardware detection during system boot-up. cron: Logs messages related to cron jobs and scheduled tasks, including when they run, and any errors encountered during execution. secure: Records security-related messages, including authentication attempts, privilege escalation, and other security-related events. apache/access.log and apache/error.log: These logs are specific to the Apache web server. access.log records HTTP access logs, while error.log logs Apache server errors and warnings. nginx/access.log and nginx/error.log: Similar to Apache logs, these logs are specific to the Nginx web server and record access and error events. mysql/error.log: Records errors and warnings encountered by the MySQL database server, including startup errors, query failures, and database crashes.
These logs provide valuable insights into system performance, security events, and troubleshooting information. Regularly monitoring and analyzing these logs can help maintain system health and identify potential issues before they escalate

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🔰 A quick refresher on the Linux file system structure.
🔰 A quick refresher on the Linux file system structure.

🔰 Linux Uncomplicated Firewall (ufw) essentials
🔰 Linux Uncomplicated Firewall (ufw) essentials

+1
8. Service Enumeration - Part 01

7. Nmap Scripting Engine (NSE)

6. Scan Timing & Performance

5. Firewall Detection & Evasion

+1
4. Advanced Scanning - Part 01

3. Host Discovery

2. Networking Fundamentals

1. Introduction

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🛜 Nmap For Penetration Testing: Beginner To Advanced 🌟 4.6 - 430 votes 💰 Original Price: $49.99
📖 Master network mapping, scanning and enumeration with Nmap.
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🔰 Linux Access Control Lists explained
🔰 Linux Access Control Lists explained

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📚 Linux Crash Course - Managing Swap Space Imagine your system has only 2GB of RAM, but an application requires 3GB. Without
📚 Linux Crash Course - Managing Swap Space Imagine your system has only 2GB of RAM, but an application requires 3GB. Without swap space, this process would fail or crash because there isn’t enough memory available. With swap, however, the OS can shift inactive data into this overflow area, making room for the application. In this way, swap acts as a safety net, allowing the system to handle memory-heavy tasks smoothly even when RAM is limited. While swap space isn't as fast as physical RAM, it can be a lifesaver in those situations.

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