How to connect and disconnect to a network manually in terminal?


This applies to 12.04+ since these are the ones I could test but could also be used in older versions. I have separated this guide into several parts, which consist of:

Part 1 - Wireless Routers with no password or WEP Key

Part 2 - Wireless Routers with WPA Key

Part 2.1 - Connecting to a WPA Router with wpa_supplicant Part 2.2 - Connecting to a WPA Router with Network Manager

Part 3 - Easy Connection Via nmcli

Part 4 - Disconnecting from a Wireless Router

Part 5 - Deleting a Connection (Including Configuration File)

Part 6 - Automatic connection when login in

Bonus - How to find your network interface name via GUI

The following command lines can be used to connect and disconnect depending on the Wireless card, wireless security and wireless router settings. Before proceeding, make sure the network service is enabled (For cases where you might start Ubuntu using Recovery mode):

Depending on your Ubuntu Version, you...

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If you happen to be using a Thinkpad, you can take advantage of ThinkVantage Access Connection, available for Windows 7, Vista and XP.

ThinkVantage Access Connection is the network connection manager software shipped with ThinkPad - if not, downloadable from their support site. When you make a new profile for your location, there is a wizard which asks if you want to configure a list of program to start when that location is connected. It offers to kill the program when the net is out, too.

Note that the software can be configured to work without any location profile at all, and that's perhaps the initial status - in that case, there is no way to configure a list of program to start when wifi is connnected: you have to create a connection profile to contain the list.

For my own experience, I try to avoid using the software - it takes a lot more time to get connected than without it, and sometimes fails to establish new connection when booting (can be fixed by...

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I was able to use Wi-Fi on my Ubuntu 17.10 before I changed the name and password of my router. Since then I have been unable to use the internet. My network manger is not even showing available devices. I tried all the steps from the link on Askubuntu : How to connect and disconnect to a network manually in terminal?

Here is what I get when I try to use the wpa_supplicant method:

skywalker@lancelot ~ % sudo wpa_supplicant -iwlp2s0 -c/etc/wpa_supplicant/wpa_supplicant.conf -Dnl80211 Successfully initialized wpa_supplicant wlp2s0: SME: Trying to authenticate with 7a:ff:ca:3a:30:ff (SSID='lancelot' freq=2462 MHz) wlp2s0: Trying to associate with 7a:ff:ca:3a:30:ff (SSID='lancelot' freq=2462 MHz) wlp2s0: Associated with 7a:ff:ca:3a:30:ff wlp2s0: CTRL-EVENT-DISCONNECTED bssid=7a:ff:ca:3a:30:ff reason=3 locally_generated=1 wlp2s0: CTRL-EVENT-REGDOM-CHANGE init=CORE type=WORLD wlp2s0: CTRL-EVENT-SCAN-FAILED ret=-16 retry=1 wlp2s0: SME: Trying to authenticate with...
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I've been trying to connect to WiFi networks using Python, but hitting a dead end.

I'm using the wireless module in Python:

from wireless import Wireless wireless = Wireless() wireless.connect(ssid, password)

However, this seems to only work for WPA and WPA2 routers.

I've also looked to see if I can do it via the terminal (so then I could call it in Python):

iwconfig wlan0 essid SSID key PASSWORD

However, this doesn't seem to connect to the router either.

So I was wondering whether anyone knows how to connect to a WEP router, or if I'm doing something...

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I was working remotely on a customer’s network using a PPTP VPN connection. When my work was completed, I clicked on the network icon in my system tray expecting to find a “disconnect from” option for the connection. It was not there. I opened up Network and Sharing Center, but could not find a way to disconnect the session. Finally, I disabled my network interface card (NIC) and re-enabled it. That disconnected the session.

I knew I didn’t want to have to disable my NIC every time I used a PPTP VPN connection, so I looked for a solution. I found an online forum that mentioned that this was a known issue. The workaround for this problem is: [more]

Open up a command prompt window. At the prompt, type rasdial “connection name” /disconnect and then enter. That will disconnect the session. The connection name will need to be in quotations if the name of the connection has spaces in it. If it does not, then quotations are not needed. If you need to identify the...

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Here are eight tips everyone should know to manage Wi-Fi network connections on Windows 10.

Although, for the most part, setting up a wired network connection on a Windows 10 device is as easy as plugging in an Ethernet cable, connecting using a wireless adapter requires some additional steps depending on the security of the network.

Windows 10's Settings app that makes it super easy to manage many aspects of a Wi-Fi connection. Using the "Wi-Fi" page in the "Network & Security" section, you can connect and disconnect from a network, view configuration properties, change the network profile, manually add and remove network connections, set your connection as metered to reduce data usage on capped internet plans, and a lot more.

In this Windows 10 guide, we'll walk you through many ways you can manage wireless network connections on your device using the Settings app.

How to connect to a Wi-Fi network

Connecting to a wireless network is an...

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The process called mapping, assigns a drive letter on your computer to a location on a remote system allowing you to access and save files over the network easily. We have shown how to make these links permanent by reconnecting them every time you log on, which assures they’ll never disappear on you. However, it also means you’ll get annoying messages from your tray if the network drive doesn’t exist anymore. If your connected drives change or go away - or you just don’t want them connected anymore - you’ll have to go ahead and unmap or delete the connected locations. In this article you will learn how.

How to Disconnect from a Shared Network Drive in Windows 8

Windows 8 has a very simple utility that helps you with removing mapped drives from your system. There are two easy ways to access this tool.

First, you can search for "Computer" from the Start screen. Right-click or long-press Computer when it appears in the search results and then click or tap...

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AnyConnect integrates support for RSA SecurID client software versions 1.1 and later running on Windows 7 x86 (32-bit) and x64 (64-bit).

RSA SecurID software authenticators reduce the number of items a user has to manage for safe and secure access to corporate assets. RSA SecurID Software Tokens residing on a remote device generate a random one-time-use passcode that changes every 60 seconds. The term SDI stands for Security Dynamics, Inc. technology, which refers to this one-time password generation technology that uses hardware and software tokens.

Typically, users make an AnyConnect connection by clicking the AnyConnect icon in the tools tray, selecting the connection profile with which they wish to connect, and then entering the appropriate credentials in the authentication dialog box. The login (challenge) dialog box matches the type of authentication configured for the tunnel group to which the user belongs. The input fields of the login dialog box...

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For more information about Windows Terminal Services, please visit

With the introduction of Terminal Services Group Policy in Windows Server 2003, Microsoft adds new capabilities for managing Terminal Services in enterprise environments. These Group Policy settings can be used to manage many features of Terminal Services including server configuration, client sessions, security, and licensing. Some of these settings can also be specified using the Terminal Services Configuration MMC snap-in, but using Group Policy is a simpler approach when you have multiple Terminal servers in your enterprise and many Terminal Services users. We’ll begin by outlining the various kinds of policies available for managing Terminal Services, then focus in on a few key policies you may want to configure. Afterward you can either configure these policies on individual Terminal servers by editing the Local Group Policy Object (LGPO) on those machines, or you can...

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Server and session parameters
Session parameters
user, domain
shell, directory
Google Chrome parameters
VLC parameters
Using terminal periphery
shared_disk, disk
sound, sound_level, sound_control, sound_rate, sound_buffer
microphone, microphone_level
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