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The docker image started successfully, but it cannot be accessed. What happened?
The docker image started successfully, but it cannot be accessed. What happened?
Problem:
The docker image started successfully but cannot be accessed.
(Related recommendations: docker tutorial)
Solution:
vi /etc/sysctl.conf
or
vi /usr/lib/sysctl.d/00-system.conf
Add the following code:
net.ipv4.ip_forward=1
Restart the network service
systemctl restart network
Check whether the modification is successful
sysctl net.ipv4.ip_forward
If the return value is "net.ipv4.ip_forward = 1", it means success.
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