摘要:
覆盖原有文本: cat>test<<EOF the 1 line the 2 line the 3 line EOF 追加的原有文本尾部: cat>>test<<EOF the 4 line the 5 lien EOF 通过命令可以看出,区别只是在于">"添加符号,">>"追加符号,这个在linu 阅读全文
摘要:
openvpn有dev tun和dev tap模式的区别,cookbook的解释是:A TUN device is used mostly for VPN tunnels where only IP-traffic is used. A TAP device allows full Ethernet 阅读全文