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Recent posts tagged linux

Description for Tag: "linux"

An open-source operating system known for its stability and flexibility.
Level UI • 16 hours • in Articles • 9 min read
An MCP server is not a new API. It is a thin layer over the one you already have
Somewhere in the last year, "do we need an MCP server?" joined the list of questions that arrive in a brief before anyone has said what the thing is for. It is usually framed as MCP vs API, as though the Model Context Protocol were a newer kind of AP...
post-cover-33074
  • ai
  • api
  • webdev
  • security
7 Reactions 7 Comments
CodeWithRomi • 23 hours • in Articles • 6 min read
Tailscale 1.104.4 Patches Four SSH and Serve Bulletins: How to Remediate
Tailscale SSH is a popular feature in homelab setups because it lets you ditch traditional SSH key management entirely and lean on your Tailnet's identity model instead. That makes the recent security investigation and remediation update worth paying...
post-cover-33031
  • security
  • linux
  • homelab
  • tutorial
0 Reactions 0 Comments
BashSnippets • 1 day • in Articles • 1 min read
Finding the world-writable files on your server before someone else does
A world-writable file can be rewritten by every account on the machine — including the service account your web server runs as. Code executing as www-data through a compromised plugin doesn't need root: any chmod 777 you left behind during past debug...
  • bash
  • linux
  • security
  • sysadmin
0 Reactions 0 Comments
Muzilla • 1 day • in Articles • 6 min read
How to Install a WAF with the Official Linux Manager Script on a Checked Host
A self-hosted web application firewall only helps after it is actually running in front of the origin. SafeLine is a self-hosted WAF that filters and monitors HTTP traffic between a web application and the Internet, and the install guide treats one p...
  • linux
  • install
  • waf
  • docker
0 Reactions 0 Comments
Lia • 1 day • in Articles • 6 min read
Why I Check the Host Before the Official Linux WAF Manager Script
A one-line installer is useful only when the host underneath it already matches the product's documented requirements. SafeLine's English deploy guide marks automatic installation as the recommended path, and that path is the official Linux manager s...
  • linux
  • install
  • waf
  • docker
0 Reactions 0 Comments
BashSnippets • 2 days • in Articles • 1 min read
The log was deleted. Its 48M was still allocated.
A 64M scratch tmpfs, a worker process holding its log open on file descriptor 3, and the usual reflex when space runs low: rm the log. du on the directory dropped from 48M to 0. df stayed at 48M used. The next 32M write failed with No space left on d...
  • bash
  • linux
  • sysadmin
  • devops
2 Reactions 1 Comments
topzyray • 4 days • in Articles • 2 min read
From Silence to Sound: Fixing Audio on Ubuntu Linux on my Samsung Galaxy Book
Over four days. That’s how long I spent trying to get the internal speakers on my Samsung Galaxy Book2 NT950XDA to produce a single sound after switching from Windows to Ubuntu. And I wasn’t alone. The Problem Right out of the box, Ubuntu even the...
post-cover-32587
  • linux
  • ubuntu
  • opensource
  • samsung
2 Reactions 1 Comments
Tom Smithverified • 13 hours • in Articles • 9 min read
Developer Weekly Briefing — October 30, 2026
Security dominated this week, but not in the usual way. Two active campaigns turned GitHub configuration files into attack surfaces. Researchers demonstrated that the built-in browsers inside AI coding tools can read your SSH keys. And at Oracle AI ...
post-cover-33104
  • agenticai
  • devsecops
  • github
  • localai
6 Reactions 3 Comments
CodeWithRomi • 5 days • in Articles • 9 min read
Patch These Four Linux Kernel Local Root Vulns Now: DirtyAH6, PPPoEject, TUNderflow, and DiagSpill
Originally published at codewithromi.comhttps://codewithromi.com/patch-these-four-linux-kernel-local-root-vulns-now-dirtyah6-pppoeject-tunderflow-and-diagspill/. Four Linux kernel vulnerabilities went public on 18 September 2026, and they are the kin...
post-cover-32434
  • linux
  • kernel
  • cybersecurity
  • sysadmin
6 Reactions 2 Comments
sarkardeba5684 • 6 days • in Articles • 1 min read
PS4 Pro Belize DDR3 patch v2
The last time the DDR3 memory on PS4 pro has a critical problem it was capped under 11mb/s speed how much I tied I failed every time then I notice something while debugging through the southbridge well it turns out DDR3 has it's own southbridge DMA...
post-cover-32257
  • debugging
  • hardware
  • linux
  • performance
0 Reactions 0 Comments
Fooj • Oct 23 • in Articles • 2 min read
New: Software Pays Hotel Owners
Salaam! Great news, my brothers, sisters and non-bins!! Liquor store operators, strip club managers, adult lounge hosts and even Hollywood chefs can now get paid even more money by not doing anything, just plugging into new software with hardware co...
  • blockchain
  • cryptocurrency
  • tokenomics
  • linux
4 Reactions 2 Comments
BashSnippets • Oct 22 • in Articles • 1 min read
Why grep "error|failed" finds nothing in a log full of failures
If grep returns empty on a file you know contains matches, suspect the pattern before the file. Default grep uses Basic Regular Expressions BRE, where |, +, ?, and are literal characters unless backslash-escaped. So grep "error|failed" app.log searc...
  • bash
  • linux
  • grep
  • regex
0 Reactions 0 Comments
BashSnippets • Oct 21 • in Articles • 1 min read
bash ran a path that no longer existed, and exited 127
A demo script called report, two directories on PATH, and one mv between them, all on a scratch tmpfs: $ report report 2.1: 14 jobs ok exit=0 $ mv /opt/jobs/bin/report /opt/jobs/newbin/report $ ls -l /opt/jobs/newbin/report rwxrwxr-x 1 root root 42 ...
  • bash
  • linux
  • devops
  • sysadmin
2 Reactions 1 Comments
BashSnippets • Oct 20 • in Articles • 1 min read
rsync's dangerous flags don't fail. They do a different job and exit 0.
The trap with rsync is that its dangerous flag combinations don't fail — they complete a different operation than the one you intended, and exit 0. --delete makes the destination match the source, so a mistyped or freshly moved source directory means...
  • bash
  • linux
  • rsync
  • backup
0 Reactions 0 Comments
shobanchiddarth • Oct 18 • in Articles • 1 min read
How to Enable MAC Address Randomisation in Linux Desktop
Link to Project: https://github.com/ShobanChiddarth/randomisedmaclinux Why a Persistent MAC Address Is a Problem A persistent hardware address allows networks to consistently identify the same device across sessions. On: Public Wi-Fi Campus netw...
  • linux
  • cybersecurity
  • privacy
0 Reactions 0 Comments
shobanchiddarth • Oct 18 • in Articles • 5 min read
My Network Engineering Home Lab setup
Introduction A while ago, I built a home lab to gain hands-on experience with Linux server administration and network engineering. Using some old hardware, a ThinkCentre M81 desktop and a Tenda router, I set up a private LAN, configured a static IP...
post-cover-31586
  • network
  • linux
2 Reactions 1 Comments
ClausValcaTD • Oct 16 • in Articles • 1 min read
Why I Built Total Connect: A Modern Open-Source FileZilla & Total Commander Alternative in Go
For decades, FileZilla and Total Commander have been staples for sysadmins, developers, and power users. But let’s be honest: FileZilla paywalls essential cloud protocols S3, Google Drive, OneDrive behind a commercial Pro license. Managing files on...
  • go
  • opensource
  • linux
  • productivity
0 Reactions 2 Comments
BashSnippets • Oct 15 • in Articles • 1 min read
Every disk-alert script I had piped into a command this machine does not have
The standard bash alerting pattern ends the same way everywhere you read it: pipe the finding into mail. So I checked what my own box would actually do with that line. $ type -a mail mailx sendmail mail not found mailx not found sendmail not found ...
  • bash
  • linux
  • devops
  • sysadmin
4 Reactions 2 Comments
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