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PoE explained: power APs, cameras & phones from your switch
itandoffice profile

PoE explained: power APs, cameras & phones from your switch

#networking #homelab #sysadmin #hardware
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4 min read
What is BGP? How Facebook's 2021 outage took it off the internet
axrisi profile

What is BGP? How Facebook's 2021 outage took it off the internet

#networking #dns #sre #facebook
1
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9 min read
Stop Guessing Subnet Sizes: A Practical Mental Model for IPv4 Subnetting
yuanke215 profile

Stop Guessing Subnet Sizes: A Practical Mental Model for IPv4 Subnetting

#sysadmin #networking #tutorial
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4 min read
Docker 29.8+: Swarm containers can't reach their own node's ports under ufw
homelabpm profile

Docker 29.8+: Swarm containers can't reach their own node's ports under ufw

#docker #networking #linux #security
Comments 1
6 min read
Upgrading to Genetec Security Center 5.14: Runbook
hansstudy profile

Upgrading to Genetec Security Center 5.14: Runbook

#security #iot #networking #cybersecurity
Comments 1
6 min read
The Ship in Your Dependency Graph
sonia_bobrik_1939cdddd79d profile

The Ship in Your Dependency Graph

#infrastructure #networking #sre
Comments 1
6 min read
Un servicio en el centro: páginas de Transit Gateway, grupos de seguridad y API Gateway
karinapp profile

Un servicio en el centro: páginas de Transit Gateway, grupos de seguridad y API Gateway

#aws #networking #devops #opensource
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8 min read
VPN Certificate Errors: Check the System Clock, Not Just the Displayed Hour
m_montazeri profile

VPN Certificate Errors: Check the System Clock, Not Just the Displayed Hour

#vpn #networking #troubleshooting
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3 min read
One service at the centre: Transit Gateway, security group and API Gateway pages
karinapp profile

One service at the centre: Transit Gateway, security group and API Gateway pages

#aws #networking #devops #opensource
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8 min read
🍊How to Set Up an AWS NAT Gateway Give EC2 Instances in a Private Subnet Internet Access
matsumoto profile

🍊How to Set Up an AWS NAT Gateway Give EC2 Instances in a Private Subnet Internet Access

#aws #cloud #infrastructure #networking
Comments 1
4 min read
TCP Isn't Reliable Because It's Magic. It's Reliable Because It Never Trusts the Network.
mangeshmandlik profile

TCP Isn't Reliable Because It's Magic. It's Reliable Because It Never Trusts the Network.

#networking #tcp #backend #systemdesign
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9 min read
# Receive buffers and flow control in Rust multiplexer
__bf699f275acc profile

# Receive buffers and flow control in Rust multiplexer

#architecture #networking #rust #systems
5
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3 min read
Epoll vs Select vs Poll: How the Linux Kernel Actually Handles 100k Concurrent Connections
syed_anzar profile

Epoll vs Select vs Poll: How the Linux Kernel Actually Handles 100k Concurrent Connections

#linux #networking #systems #performance
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9 min read
What 255 bytes of padding can and can’t do for an encrypted tunnel
__bf699f275acc profile

What 255 bytes of padding can and can’t do for an encrypted tunnel

#networking #security #rust
4
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3 min read
DNS-Domain Name System/Server
gokul_kannan_1011 profile

DNS-Domain Name System/Server

#networking #dns #tld #domain
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4 min read
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