Linux
Development Update: My Dev Laptop Is Ready, the Infrastructure Has Evolved, and an Early Distro Release Is Getting Closer
It has been a little while since I last shared a proper update on the EagleEye Linux distribution project, and I want to start by apologizing for the delay. My…
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Dirty Frag Explained: The Linux Kernel Bug That Turns Local Access Into Root
Linux has had another uncomfortable few weeks. Shortly after the Copy Fail vulnerability brought renewed attention to the Linux kernel local privilege escalation risk, and a new issue that has…
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Linux Live Patching: How To Patch Critical Kernel Vulnerabilities Without Rebooting
Linux has a strong reputation for stability, security, and control, but even the most hardened Linux server has one unavoidable operational challenge which has to do with kernel updates which…
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Copy Fail: The Linux Kernel Bug That Turns Local Access Into Root
Linux has a reputation for being secure, transparent, and controllable. That reputation is deserved, but secure does not mean invulnerable. The recently disclosed Copy Fail vulnerability is a serious reminder…
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What Is The Linux fdatasync Command?
The Linux fdatasync command is one of those Linux topics that sounds more obscure than it really is. At first glance, it looks like another storage command sitting somewhere beside…
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What Is The Linux fsync Command?
The Linux fsync topic is one of those areas that looks simple at first but becomes much more important once you care about reliability, crash safety, and data integrity. The…
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nftables vs iptables: Why You Should Switch
If you are still building firewall rules around iptables, you are working with the older Linux packet filtering model while the wider Linux firewall ecosystem has already moved toward nftables…
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What Is Fail2Ban and What Does It Do? Its Role in Securing a Machine
If your Linux server is exposed to the internet, it is being scanned, probed, and tested constantly. SSH, web login pages, mail services, and other exposed services are frequent targets…
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What Is The Linux Sync Command & What Does It Do?
The Linux sync command is one of those small utilities that looks almost too simple to matter. Yet behind that simplicity is something very important: it tells the system to…
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set -euo pipefail: Why This One Line Separates Fragile Scripts from Reliable Systems
Shell scripting powers: Automation pipelines. Provisioning scripts. Backup jobs. Security tooling. System hardening workflows. Yet, most shell scripts share a dangerous trait: They continue running after something has already gone…
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