Rfkill caveat
iwconfig & iw
Association with WPA
Assigning IP address

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• deb-based Distro
• rpm-based Distro
• Arch Linux

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• setup pppoe
• setup wifi

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• Data Frame
  • Ethernet Frame(RFC 894)
  • IEEE 802.3 Frame(RFC 1042)
• ARP(Address Resolution Protocol) PDU

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• IP(Internet Protocol) PDU
• TCP(Transfer Control Protocol) PDU
• UDP(User Datagram Protocol) PDU

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port:1~65535
知名端口号:1~1023

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It is a ‘magical’ key combo you can hit which the kernel will respond to regardless of whatever else it is doing, unless it is completely locked up.

• enable the magic SysRq key
• use the magic SysRq key
• the ‘command’ keys
• Uses

For more info, see sysrq

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zsh command line editor

• Movement 移动
• History Control 操纵历史
• Modifying Text 修改文本
• Arguments 参数
• Completion 补全
• Miscellaneous 其他

For more info, see man zshzle

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vim scp://root@OpenWrt:2222//etc/opkg/distfeeds.conf
opkg update Failed.
Maybe the wget in BusyBox doesn’t support https.

• set source with HTTP, update,
• Install wget & ca-certificates,
• set source with HTTPS, update.

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• Set Password At First Login
• SSH Signature Authentication
  • Authentication Key Generation
  • Copy Public Key To The OpenWrt System
• Disable PasswordAuth, Change Default Port
  • Use uci command
  • Edit /etc/config/dropbear Directly
• Simple Your Life With an SSH Config File

About dropbear

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