Haven200

Learn to cross happiness and sorrow on the long river of ups and downs life.

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heart

My work changed in this year, i feel busy and tired more than last years. Tomorrow is Qixi festival, chinese valentine’s day.

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route

I’ve been hooked on soft routers recently. After doing some preparations, I finally locked the friendly R2S that was newly released this year.

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QT

The reason is that under Debian 10 (Buster), I have been unable to input Chinese under QT applications, such as wps/libreoffice/wine. I have search it with google for a long time, but hasn’t found the resolve method. I found the solution by accident, so this article for people who have the same problem.

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Wolf

When dealing with network attacks, using iptables to block IP is a common and simple way. Sometimes it may be necessary to block tens of thousands of IPs, adding tens of thousands of rules will greatly affect the performance of the server. ipset was born to solve this problem.

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Sunset

Enterprise network management switches can use commands to physically isolate ports in the same VLAN. The home network management switch can only use one of the port mode and VLAN mode. Google did a bit and successfully used VLAN to realize the function of isolation from ports under VLAN.

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Friend ship

IPv4 addresses have dried up in 2019, so network operators have begun to promote IPv6 and use NAT technology on a large scale to recover public network IPv4 addresses. Without the public network IPv4 address, we cannot use many applications (such as a self-built web server). The solution is to use NAT traversal.

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