A super detailed tutorial: springboot integrates mybatis plus>>>
Problem: Ping external network appears:
sendto: Network is unreachable
View:
#route
Route command: you can use the route command to view the routing table when the packet is not delivered effectively
[root@tiny4412:/]#route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
192.168.1.0 * 255.255.255.0 U 0 0 0 eth0
Found that there is no gateway configured due to the gateway
Solution:
[root@tiny4412:/]#route add default gw 192.168.1.1
[root@tiny4412:/]#route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default 192.168.1.1 0.0.0.0 UG 0 0 0 eth0
192.168.1.0 * 255.255.255.0 U 0 0 0 eth0
Test:
[root@tiny4412:/]#ping 119.75.217.56
PING 119.75.217.56 (119.75.217.56): 56 data bytes
64 bytes from 119.75.217.56: seq=0 ttl=50 time=20.468 ms
64 bytes from 119.75.217.56: seq=1 ttl=50 time=19.113 ms
64 bytes from 119.75.217.56: seq=2 ttl=50 time=18.814 ms
64 bytes from 119.75.217.56: seq=3 ttl=50 time=18.906 ms
64 bytes from 119.75.217.56: seq=4 ttl=50 time=18.859 ms
64 bytes from 119.75.217.56: seq=5 ttl=50 time=18.704 ms
64 bytes from 119.75.217.56: seq=6 ttl=50 time=19.050 ms
64 bytes from 119.75.217.56: seq=7 ttl=50 time=20.514 ms
64 bytes from 119.75.217.56: seq=8 ttl=50 time=21.355 ms
^C
--- 119.75.217.56 ping statistics ---
9 packets transmitted, 9 packets received, 0% packet loss
round-trip min/avg/max = 18.704/19.531/21.355 ms
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