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Router Reset Broke Your Internet? PPPoE, VLAN and MAC Explained
routeripguide profile

Router Reset Broke Your Internet? PPPoE, VLAN and MAC Explained

#networking #sysadmin #tutorial #troubleshooting
Comments
4 min read
PHP2Shell: which PHP versions to run, and how to check for web shells
cloudekhosting profile

PHP2Shell: which PHP versions to run, and how to check for web shells

#php #security #sysadmin #webdev
Comments
3 min read
NPS and RRAS VPN logs: where to find them and who is connected
coinetic_ai_security profile

NPS and RRAS VPN logs: where to find them and who is connected

#windows #vpn #sysadmin #security
Comments
5 min read
The Online Responder says OK, but certutil shows no OCSP check: look at the certificate
vitalii_shumylo profile

The Online Responder says OK, but certutil shows no OCSP check: look at the certificate

#pki #windows #powershell #sysadmin
Comments
2 min read
OT Asset Inventory Without Active Scanning
hansstudy profile

OT Asset Inventory Without Active Scanning

#networking #security #cybersecurity #sysadmin
Comments
3 min read
RHCSA EX200 Study Guide: Hands-On Tasks and 8-Week Plan
buyexamvouchers profile

RHCSA EX200 Study Guide: Hands-On Tasks and 8-Week Plan

#linux #rhel #sysadmin #certification
Comments
5 min read
A Patch Tuesday checklist for small IT teams: a monthly digest you can copy
cloudekhosting profile

A Patch Tuesday checklist for small IT teams: a monthly digest you can copy

#windows #sysadmin #security #devops
Comments
3 min read
Restart=always Did Nothing. The Service Never Exited.
bashsnippets profile

Restart=always Did Nothing. The Service Never Exited.

#bash #linux #sysadmin #devops
Comments
4 min read
Reading a certificate's SCT timestamps in Python to see which emSign G1 cutoff applies
jose_pollman_fa7c6ec43cdd profile

Reading a certificate's SCT timestamps in Python to see which emSign G1 cutoff applies

#security #python #sysadmin #webdev
Comments
9 min read
Buffalo AirStation & 192.168.11.1 Subnet Architecture: Hardware Switch Modes, DD-WRT Firmware, and Gateway Diagnostics
routeripguide profile

Buffalo AirStation & 192.168.11.1 Subnet Architecture: Hardware Switch Modes, DD-WRT Firmware, and Gateway Diagnostics

#networking #sysadmin #linux #hardware
Comments
3 min read
SMTP 550 5.7.26 / 5.7.23: Gmail DMARC & SPF fails
mikweb2025design profile

SMTP 550 5.7.26 / 5.7.23: Gmail DMARC & SPF fails

#email #devops #sysadmin #security
Comments
2 min read
Finding What Removed a User Right from a Windows Server
et-ducky profile

Finding What Removed a User Right from a Windows Server

#windows #security #powershell #sysadmin
Comments
4 min read
CVE-2026-124194 and NTLM: An Admin Checklist for November 2026 Patch Tuesday
affix_centersoftechserv profile

CVE-2026-124194 and NTLM: An Admin Checklist for November 2026 Patch Tuesday

#security #windows #sysadmin #microsoft
Comments
2 min read
How to block a program from the internet on Windows
coinetic_ai_security profile

How to block a program from the internet on Windows

#windows #security #sysadmin #firewall
Comments
6 min read
Nothing new. Exit code 0.
alexdev13 profile

Nothing new. Exit code 0.

#monitoring #devops #sysadmin #testing
Comments
2 min read
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