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07 Dec

Linux system, the real advantages and learning methods

As a Linux enthusiast, in the Linux world can be considered a half-old driver, playing from the desktop to the server, from ubuntu to centos, from the computer to the router, a variety of fancy Linux games are slightly experience. The author is not a professional Linux player, I just Linux as a hobby and expertise, to my study and life add a lot of color.

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06 Dec

CCNP Advanced Switching VLAN, Trunk Configuration Experiment

When sending a packet from R1 to 10.1.1.3, the packet enters from F0 / 1 of SW1. Since F0 / 1 belongs to VLAN 10 and F0 / 23 also belongs to VLAN 10, SW1 sends the packet to 10.1.1.3 Sent from the interface F0 / 23, when SW2 from F0 / 23 received the packet, because there is no VLAN tag,

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06 Dec

15 free WiFi security testing tools

Here are 15 free (nearly free) WiFi network intrusion detection tools introduced by cio.com. These tools will help you discover the security risks of rogue APs and weak Wi-Fi passwords, and make up for the vulnerabilities before hackers visit.

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11 Dec

[Technology] Linux eaten up my memory-CCIE R&S Dumps Free Download

Explorer under Windows to see the memory usage, if the usage rate of 80% or more, and then run the big program can feel the system is not smooth, because the use of swap partition in the memory shortage, frequently from the disk for Incoming out of the page will greatly affect the performance of the system.