When my Ubuntu 14.04 machine awakes from hibernation, sometimes the network is disable and enabling it does not make it work again. Running. sudo service network-manager restart alone does not solve the problem. But . sudo ifconfig wlan0 down && sudo ifconfig wlan0 up tend to solve the problem for a wlan connection.
How do I run network manager in Ubuntu? Using OpenVPN With Ubuntu-Mint Network Manager. Open the terminal. Install the network manager openvpn by typing the following into the terminal: Restart the Network Manager by disabling and enabling the network. How to Fix Missing (Not Showing) Network Manager Icon in Aug 17, 2013 Ubuntu Manpage: systemd-networkd.service, systemd-networkd It detects and configures network devices as they appear, as well as creating virtual network devices. To configure low-level link settings independently of networks, see systemd.link (5). systemd-networkd will create network devices based on the configuration in systemd.netdev (5) files, respecting the [Match] sections in those files. Ubuntu 18.04 – Restart network – HeelpBook
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