Linux and DevOps

🔰 Linux Logical Volume Manager Crash Course

LVM transforms how Linux handles disk storage, allowing you to combine multiple physical disks into a single, flexible storage pool.

Think of it like a large container where you can add or remove items (in this case, storage) as needed. With LVM, you’re not limited by the rigid structure of traditional disk partitions. Instead, you can expand or reduce storage on the fly, create backups with snapshots, and even set up configurations that improve performance and reliability. Here are some Key benefits of using LVM: 1. Flexible Storage: Easily resize and manage disk space to match your needs. 2. Snapshots for Safe Backups: Create snapshots to make quick backups without disrupting your system. 3. Simplified Disk Management: Use multiple disks as if they were one, optimizing the space and organization of your storage.

📂 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 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 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

🔅 PREMIUM CHANNELS -◦-◦--◦--◦-◦--◦--◦-◦--◦--◦-◦--◦- 🔰 Web Development -◦-◦--◦--◦-◦--◦--◦-◦-- 220k| 🔰 Linkedin Learning 136k| 🔰 Udemy Premium 132k| 🔰 Web Development -◦-◦--◦- 115k| 🔰 Python 3 099k| 🔰 JavaScript Training 086k| 🔰 Machine Learning -◦-◦--◦- 066k| 🔰 Artificial Intelligence 065k| 🔰 Data Analysis and Databases 063k| 🔰 React and NextJs -◦-◦--◦- 058k| 🔰 Linux and DevOps 048k| 🔰 100 Days of Python 046k| 🔰 OpenAI Mastery -◦-◦--◦- 044k| 🔰 Business and Finance 044k| 🔰 Best Telegram Channels 039k| 🔰 Zero to Mastery -◦-◦--◦- 039k| 🔰 Mobile Apps 039k| 🔰 Udemy Learning 034k| 🔰 Linkedin Learning Courses -◦-◦--◦- 034k| 🔰 Codedamn Courses 033k| 🔰 React 101 030k| 🔰 Crypto Tutorials -◦-◦--◦- 029k| 🔰 Coding Interview 025k| 🔰 Telegram's Shorts 021k| 🔰 Linux Training -◦-◦--◦- 020k| 🔰 The Coding Space -◦-◦--◦--◦-◦--◦--◦-◦-- 🔰 Add Your Channel -◦-◦--◦--◦-◦--◦--◦-◦--◦--◦-◦--◦- 🔰 2hrs on top & 8hrs in channel!

🔰 Linux Uncomplicated Firewall (ufw) essentials

🛜 Nmap For Penetration Testing: Beginner To Advanced 🌟 4.6 - 430 votes 💰 Original Price: $49.99

📖 Master network mapping, scanning and enumeration with Nmap.

🔊 Taught By: HackerSploit Academy 📤 Download All Courses

Andrew Tate - The Real World Courses: ✔️Andrew Tate - AI Campus ✔️Andrew Tate - Body Language ✔️Andrew Tate - Chess ✔️Andrew Tate - Fitness ✔️Andrew Tate - Hustler University ✔️Andrew Tate - Iron Mind ✔️Andrew Tate - Network Brilliance ✔️Arno About ✔️Copywriting ✔️Cryptocurrency ✔️E-Commerce ✔️Freelancing ✔️Life Lessons from Luc ✔️Peak Performance ✔️Tate Answers Questions ✔️Business Mastery ✔️Amazon FBA ✔️Stocks 🔗 Sales Page: https://www.jointherealworld.com/checkout Original Price (Subscription): $49.99/monthly or $149/3 months or $497/1 year

Files will be provided separately so that you can download just what you need.

🔗 https://t.me/+Mu_zHvVHDYlhZDI0