Just disable the NetworkManager service if you’re working with server systems. It is not installed on the production systems I deploy because of its ill interaction with normal services. It has no place in a server deployment mainly because it is for enabling interfaces during interactive user sessions.
Edit your configuration file to remove the spaces before the iface stanza so that it looks like this, auto eth0 iface eth0 inet static address 192.168.1.57 netmask 255.255.255.0 gateway 192.168.1.1 up ip addr add 192.168.0.57/24 dev eth0 label eth0:1 down ip addr del 192.168.0.57/24 dev eth0 label eth0:1 up ip route add 192.168.0.0/24 via 192.168.0.1 … Read more
based on http://www.certdepot.net/rhel7-configure-ipv4-addresses/ nmcli connection up eth0 run after mod calls, worked for me. P.S. you can use “nmcli -p connection show eth0” to see the configured vs active settings
After spending a couple of days looking at logs and configurations for the involved components, I was about to throw in the towel and revert back to Fedora 30, where this seems to work straight out of the box. Focusing on firewalling, I realized that disabling firewalld seemed to do the trick, but I would … Read more
This works for me: http://www.softwarepassion.com/solving-dns-problems-with-openvpn-on-ubuntu-box/ The important step is adding following two lines of configuration into your client openvpn config file: up /etc/openvpn/update-resolv-conf down /etc/openvpn/update-resolv-conf Also ensure the resolvconf package is installed on the client, because that update-resolv-conf script depends on it. It works with openvpn client service or command to start it manually. However, … Read more
Here is the command to modify an existing connection. nmcli con mod $connectionName ipv4.dns “8.8.8.8 8.8.4.4” connectionName can be found by command: nmcli con. In the question case, it will be “System eth0” If you want to ignore automatically configured nameservers and search domains, ie the settings passed from DHCP. nmcli con mod $connectionName ipv4.ignore-auto-dns … Read more