Tags » Networkmanager

Automatically configure FirewallD zones based on connection

I travel a lot. And my laptop is connected to all kind of networks. Thus, I have a very strict default zone: Drop. But when I am back home, I need to connect to my laptop either by SSH, or some other ports/services. 290 more words

Firewalld

Reason: 3=DEAUTH_LEAVING

The ASUSTek Wifi USB adapter works fine once plugged into a laptop running Debian 9.3
Setting up its networking configuration is straightforward using iw, … 86 more words

Debian

NetworkManager commands on a Raspberry Pi 3 - Setting up a RPI3 as a router and NAT gateway for 4G tethering and hotspot auto connect.

I am discovering that NetworkManager on RPI3 (more specifically the nmcli commands). RPI3 with iptables, routing and nmcli make apoweful gateway for ethernet lan devices to use a RPI3 to connect to a 4G hotspot or upstream WISP. 578 more words

Technology

Raspberry Pi 3 - Change from dhcpcd to NetworkManager configuration

Disable the following service for dhcpcd:

sudo update-rc.d dhcpcd disable

Empty the file “interfaces” in:

sudo nano /etc/network/interfaces

Install NetworkManager:

sudo apt-get install network-manager

Enable NetworkManager: 470 more words

Technology

DNS configuration with VPNs and Ubuntu 17.04: working again

I must have hit this bug on the upgrade from 16.10 to 17.04.

Result: DNS queries not working if not using FQDNs for my VPNs. 334 more words

Ubuntu

Bring a Connection Up in NetworkManager From the Command-Line

You can also use this for the VPN. Occasionally my taskbar freezes on one of my laptops, so this is a contingency to start my VPN if that is happening at the time. 6 more words

Hint/Trick

Network interface disabled by default in CentOS 7

After a fresh installation of CentOS 7, your main network interface may be disabled. Its name may be enp0s3.

Check its status with : 47 more words

Sysadmin