Sometime you may want to disable IPV6 on your Linux server.
To check if IPV6 is running on your system
Run the following command.
#ifconfig - This is show the ipv4 and ipv6 address
To disable ipv6
vi /etc/sysctl.conf
Add the following lines at the bottom of the config file
net.ipv6.conf.lo.disable_ipv6 = 1
net.ipv6.conf.eth0.disable_ipv6 = 1
After saving the file, run the following command to apply the new changes.
#sysctl -p
To confirm the changes are applied, run the command
#ifconfig - This should not show ipv6 address any more
To check if IPV6 is running on your system
Run the following command.
#ifconfig - This is show the ipv4 and ipv6 address
To disable ipv6
vi /etc/sysctl.conf
Add the following lines at the bottom of the config file
net.ipv6.conf.lo.disable_ipv6 = 1
net.ipv6.conf.eth0.disable_ipv6 = 1
After saving the file, run the following command to apply the new changes.
#sysctl -p
To confirm the changes are applied, run the command
#ifconfig - This should not show ipv6 address any more
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