Debian 11, KVM and br0: replacing an unstable NIC with a USB Ethernet 2.5G adapter

25 April 2026  |   8 minutes  |  1609 words  • Other languages: Italiano

Diagnosing and fixing Intel e1000e NIC resets on Debian 11 with a br0 bridge used by KVM/QEMU.
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TIM VoIP: turn Outbound Proxy hostname into an IP (SRV -> A) for Fritz!Box, Grandstream and open routers

21 February 2026  |   10 minutes  |  2011 words  • Other languages: Italiano

How to extract the IP address behind TIM's Outbound Proxy hostname using SRV records (SRV -> A).
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Solution CCNA Security Configure IOS Intrusion Prevention System (IPS) using CLI

11 January 2014  |   6 minutes  |  1139 words  • Other languages: Italiano

CCNA Security Exercise Solution: Configure IOS Intrusion Prevention System (IPS) using CLI
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Solution PT Activity 7.6.1:Packet Tracer Skills Integration Challenge

25 December 2013  |   9 minutes  |  1835 words  • Other languages: Italiano

Solution to exercise PT Activity 7.6.1:Packet Tracer Skills Integration Challenge.
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Nagios, Nconf and Nrpe on Debian/Ubuntu part 3/3

09 November 2013  |   2 minutes  |  415 words  • Other languages: Italiano

Guide on how to install Nagios, Nconf and Nrpe on debian/Ubuntu - part 3/3
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Nagios, Nconf and Nrpe on Debian/Ubuntu part 2/3

08 November 2013  |   2 minutes  |  373 words  • Other languages: Italiano

Guide on how to install Nagios, Nconf and Nrpe on debian/Ubuntu - part 2/3
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Nagios, Nconf and Nrpe on Debian/Ubuntu part 1/3

07 November 2013  |   2 minutes  |  274 words  • Other languages: Italiano

Guide on how to install Nagios, Nconf and Nrpe on debian/Ubuntu - part 1/3
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Solution PT Activity 8.6.1:Packet Tracer Skills Integration Challenge

25 August 2013  |   24 minutes  |  5030 words  • Other languages: Italiano

Solution to exercise PT Activity 8.6.1:Packet Tracer Skills Integration Challenge.
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SSH and SCP without password

18 August 2013  |   2 minutes  |  356 words  • Other languages: Italiano

Here is a procedure to follow to connect via ssh or run scp server A and server B without entering the password
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