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Managing disk space on a Linux server is a critical task, especially when it comes to Snap packages. By default, Snap retains multiple revisions of applications, including disabled versions that are no longer in use. Over time, these can consume a significant amount of storage — especially under /var/lib/snapd. In this tech concept, you’ll learn how…
Managing disk space is a key responsibility for sysadmins, developers, and DevOps engineers alike. Over time, temporary directories, media folders, and backups accumulate outdated or oversized files that eat into precious storage. Left unchecked, this can lead to full disks, failed deployments, or even data loss. In this tech concept, you’ll learn how to clean up…
Managing disk space across a fleet of remote servers is a common challenge for DevOps engineers, system administrators, and IT teams. Manual inspection doesn’t scale, and missing out on low disk space warnings can result in critical failures. In this tech concept, we walk you through setting up an automated disk usage audit system across remote Linux…
Disk space management is a critical aspect of maintaining healthy systems, whether you’re working on servers, personal workstations, or even development environments. In this tech concept, we’ll delve into the basics of the du command—the Unix utility for estimating file space usage—explore advanced tips for sorting and filtering results, and discuss real-world scenarios to free up…
Kali Linux stands as a powerful platform for cybersecurity professionals, ethical hackers, and penetration testers. This tech concept walks through the top 10 ethical hacking techniques and provides ready-to-run bash script snippets for each. These scripts are ideal for information gathering, vulnerability discovery, and penetration test preparation, all within a secure and legal context. Over the past 20 years, I’ve seen how…
Replacing data within files on Linux platforms like ubuntu, is a common task for system administrators, developers, and anyone who frequently works with large files. Whether you’re cleaning up unwanted data, replacing any typo error, modifying configuration files, or handling encoded data, understanding how to efficiently replace data in files is crucial in servers. For…
Managing memory in Linux is crucial for ensuring optimal performance, especially on servers handling high loads. In my previous TechConcept, I highlighted one crucial aspect of memory management: swap memory, which plays a vital role when your system is running low on physical RAM. But when exactly does Linux use swap memory, and why is…
Managing memory resources effectively is key to maintaining optimal performance for your EC2 instances. Leveraging my 18+ years of tech expertise, I have helped companies to cut costs dramatically through effective server optimizations like creating a swap file to prevent out-of-memory issues. Swap space acts as an extension of your server’s RAM by utilizing disk…
If your Linux servers are running slow or facing memory issues, it’s time for a tech cleanup. With 18+ years of experience building enterprise applications, I’ve learned that you must regularly get your hands dirty with the servers running your code. Armed with the right knowledge, you can quickly free up memory and enhance your…
With over 18 years of experience building enterprise applications, I previously recommended crontab as a crucial tool for scheduling tasks with precision and ease. In this tech concept, I’ll share all possible scheduling combination using crontab a comprehensive toolkit, from running tasks every minute to executing them on specific dates and times. Whether you’re managing…
Throughout my 18+ years of experience in creating enterprise applications, I’ve found that automation is essential for achieving efficiency and reliability. Whether you’re a seasoned systems administrator, a developer, or a tech enthusiast, mastering crontab—a powerful and flexible scheduling utility—can transform the way you manage your systems. In this tech concept, we’ll explore crontab in…
In the world of tech, system administrators and developers often manage multiple servers, each with specific roles and configurations. As a tech enthusiast, I believe customizing the login message on your Linux server is one of the most effective ways to ensure quick orientation. It also adds a personalized touch when logging in via SSH.…
With over 18 years of experience as a Tech Advisor, I want to highlight that as your Linux server operates over time, logs accumulate over time. These logs recording crucial details about system activities, application behavior, and security events. While these logs are indispensable for troubleshooting and auditing, they can rapidly consume significant disk space…
In today’s data-driven world, efficient log management is vital for maintaining the health and stability of your Linux server. Throughout my 18+ year tech career, I’ve encountered production servers slowing down even under low load, often due to low disk space. As your server runs various applications and services, log files can quickly accumulate, consuming…
In today’s data-driven world, the importance of regular database backups cannot be overstated. Whether you’re managing a personal project or overseeing enterprise-level systems, the integrity and security of your data are paramount. With over 18 years of experience in the tech industry and now serving as an advisor and entrepreneur, I understand firsthand how devastating…
As a tech enthusiast or developer, efficiently managing your Android devices is crucial. As a tech advisor, I always recommend harnessing the power of the shell along with Android Debug Bridge (ADB), which offers powerful tools for deep control over your device’s operations. In this tech blog post, we’ll guide you through a straightforward process…
