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Q&A

Posts tagged networking

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Q&A `nmcli` missing laptop wireless device after everything work right

My device is Thinkpad E40 with openSUSE Leap 15.4. I've use this device under this OS weeks ago and didn't happen this problem. After normally running, wlan0 device not show in nmcli and my wirele...

0 answers  ·  posted 2mo ago by Dead_Bush_Sanpai‭  ·  edited 2mo ago by Dead_Bush_Sanpai‭

Question networking
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Q&A Dynamic IP & lease loss - "callback" mechanism?

I'm playing with NAT, and have a script now that, at startup of my little Linux machine, creates some DNAT rules, which take one incoming special port, and forward that to another interface with a ...

0 answers  ·  posted 10mo ago by CanisSomnolentus‭  ·  edited 10mo ago by CanisSomnolentus‭

Question networking
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Q&A Automated wifi 'scavenging', daemon recommendation?

I have a RPi in the car that I need to act as a mobile AP. I need it to provide a consistent, unchanging ESSID (in AP mode) using the onboard wlan0 for all devices that stay in my car. Dashcams, t...

0 answers  ·  posted 11mo ago by re89j‭

Question wifi networking
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Q&A Reverse shell with named pipe and netcat

This blog post describes a privilege escalation, exploiting tar's --checkpoint-action option. The privilege escalation is used to solve a TryHackMe challenge. The root user calls tar via cron whi...

0 answers  ·  posted 1y ago by Matthias Braun‭  ·  edited 1y ago by Matthias Braun‭

Question shell networking
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Q&A Access host device which bridges a connected device through same eth interface

I got 2 small computers running Linux. One acts as ethernet gadget, connected via USB to the other, the host. I set up a bridge, like so: ip link add name br0 type bridge ip link set dev br0 up...

1 answer  ·  posted 1y ago by sktpin‭  ·  last activity 1y ago by sktpin‭

Question networking
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Q&A How to use a detected USB RNDIS gadget as network adapter

I have a RaspberyPi module, with USB connected to another module computer (as USB host) running Linux. The RasPi is configured as USB ethernet gadget. Once I boot the RasPi, and enter dmesg on th...

1 answer  ·  posted 1y ago by sktpin‭  ·  last activity 1y ago by sktpin‭

Question networking USB gadget
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Q&A How to forward SSH access of one machine, through another, to the rest of a network?

I have a setup with two Raspberry PIs, a CM3 module with only a USB connection to the outside, and the Pi4 with a lot of connectors. I set up things such that CM3 functions as USB Gadget, and once...

2 answers  ·  posted 1y ago by CanisSomnolentus‭  ·  last activity 1y ago by Grove‭

Question raspbian networking

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