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anatraf-nta2d ago • 8 min read
5 Network Issues You Can Only Find with Full Packet Capture
It was 2 AM on a Tuesday when the on-call engineer at a mid-size logistics company got paged. The ER...
#networking#monitoring#devops#sysadmin
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anatraf-nta1d ago • 7 min read
Wireshark Is Great — Here's Why It's Not Enough for Production Networks
It was 2 AM on a Tuesday when the on-call engineer finally opened Wireshark on his laptop, plugged.....
#networking#monitoring#devops#sysadmin
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fock1e1d ago • 4 min read
Why Linux Kills Your App Without Warning (The OOM Killer, Explained)
Your process disappears with no application logs, no stack trace, no crash dump. Just gone. Here's w...
#linux#devops#sre#sysadmin
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Laurent Quastana2d ago • 3 min read
Revenir aux bases du DevOps avec une stack simple
On parle souvent du DevOps avec beaucoup d’outils et de concepts. Mais dans la pratique, le besoin d...
#devops#ansible#sysadmin
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anatraf-nta3d ago • 4 min read
Why SNMP Monitoring Misses 80% of Network Problems — And What to Use Instead
If your network monitoring strategy relies primarily on SNMP polling, you're flying blind to most of...
#networking#monitoring#devops#sysadmin
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anatraf-nta3d ago • 4 min read
Network Forensics for Every IT Team: Why Packet-Level Visibility Isn't Just for Security
Network forensics isn't just for security teams. Operations, helpdesk, and compliance teams all need...
#networking#devops#security#sysadmin
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Osama Siddiqui6d ago • 5 min read
GamePinned: The Windows Tool That Stops People From Uninstalling Games on Shared PCs
A short introduction to what it is, what it does, and the specific problems it was built to solve.
#gaming#windows#software#sysadmin
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Dmytro Poliakov6d ago • 1 min read
Beyond the "Access Denied": A SysAdmin’s Guide to SCCM Client Push Failures
The struggle is real. You click "Install Client" in the MECM console, and you're met with a wall of....
#sccm#sysadmin
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Dialphone Limited6d ago • 3 min read
VoIP Troubleshooting: 10 Problems I See Every Week and How to Fix Them
I run a VoIP consultancy. These are the 10 problems I troubleshoot most frequently, in order of how....
#voip#debugging#sysadmin#tutorial
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Dialphone Limited6d ago • 2 min read
SIP ALG: The Router Setting That Breaks Every VoIP System
If you have ever troubleshot one-way audio, dropped calls after 30 seconds, or random registration.....
#voip#networking#sysadmin#tutorial
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Dialphone Limited5d ago • 3 min read
Why 90% of VoIP Quality Complaints Are Actually Network Problems
When users complain about call quality, the instinct is to blame the VoIP provider. In 15 years of.....
#voip#networking#troubleshooting#sysadmin
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Dialphone Limited6d ago • 2 min read
The IT Manager's Complete VoIP Deployment Checklist
After deploying VoIP for 60+ organizations, I have distilled the process into a checklist that...
#voip#sysadmin#devops#checklist
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Dialphone Limited6d ago • 2 min read
The 5-Minute VoIP Health Check Every IT Manager Should Run Weekly
Your VoIP system can degrade slowly without anyone noticing until a client complains about call...
#voip#sysadmin#monitoring#tutorial
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Dialphone LimitedApr 13, 2026 • 2 min read
VoIP Quality Troubleshooting: A Sysadmin's Field Guide
After 13 years managing network infrastructure, here is my troubleshooting flowchart for VoIP qualit...
#voip#networking#sysadmin#devops
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Dargslan3d ago • 3 min read
Remote Desktop After the April 2026 Update: Do You Need to Reissue RDP Files?
Microsoft’s April 2026 update changed how Windows handles .rdp files, and for many administrators...
#microsoftgraph#powershell#sysadmin#devops
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Dialphone Limited6d ago • 2 min read
The 5-Minute VoIP Health Check Every IT Manager Should Run Weekly
Your VoIP system can degrade slowly without anyone noticing until a client complains about call...
#voip#sysadmin#monitoring#tutorial
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