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Network Troubleshooting Tools, IPv4 and IPv6

A summary of various troubleshooting commands for common client operating systems for both IPv4 and IPv6.
Apple OS X, *BSDPing for IPv4/sbin/pingPing for IPv6/sbin/ping6Traceroute for IPv4/usr/sbin/tracerouteTraceroute for IPv6/usr/sbin/traceroute6Interface Info/sbin/ifconfigIPv4 Route table/usr/sbin/netstat -f inet -rnIPv6 Route table/usr/sbin/netstat -f inet6 -rnIPv4 arp table/usr/sbin/arp -anIPv6 ndp table/usr/sbin/ndp -an Windows: Vista, 7, Server 2008 and higherPing for IPv4ping -4Ping for IPv6ping -6Traceroute for IPv4tracert -4Traceroute for IPv6tracert -6Interface Infoipconfig /allIPv4 Route tablenetsh interface ipv4 show routeIPv6 Route tablenetsh interface ipv6 show routeIPv4 arp tablearp -aIPv6 ndp tablenetsh interface ipv6 show neighbors LinuxPing for IPv4pingPing for IPv6ping6Traceroute for IPv4traceroute -4Traceroute for IPv6traceroute -6Interface Infoip address showIPv4 Route tablenetstat -A inet -rnIPv6 Route tablenetstat -A inet6 -rnIPv4 arp tablearp -anIPv6 ndp tabl…

在MAC OS上開啟su 最高權限設定

啟動root作法如下:

1.在$後鍵入sudo passwd root
按下

2.看到提示 Password:
輸入你個人的管理者密碼

3.接著看到
Changing password for root.
New password:
輸入root要使用的新密碼,然後在驗證一次

4.已經啟動root帳號了

往後只需輸入su再輸入password,就可登入root