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15

I suggest you edit a file: gksudo gedit /etc/network/interfaces Amend it to read: auto lo iface lo inet loopback auto wlan0 iface wlan0 inet dhcp wpa-essid myssid wpa-psk mypasscode Restart the interface: sudo ifdown wlan0 && sudo ifup -v wlan0 Test: ping -c3 www.ubuntu.com If you get ping results, you are connected. If you wish, you may ...


7

If you haven't rebooted,and still connected, you can run sudo apt-get install --reinstall network-manager. You're done there. If you have rebooted the process is a bit more complicated - you will have to get Ubuntu's live cd or usb, and boot it, as if you are about to install Ubuntu anew. Live CD or USB does allow connection to internet, so make sure you're ...


3

You could always just download the stuff from here or just search for specific packages here depending on which packages you deleted, copy them to a pendrive or something then just do a dpkg -i on them and voilà, you have whatever installed again.


3

Seems like there is some problem with the driver of your modem. I have tried a script called Sakis3G to get some unsupported dongles working in Ubuntu. This should work just fine for your dongle too. Download it from here: http://dev.oikyolinux.com/files/sakis3g.7z Please see the read me file included in the 7z archive if having problem executing the script. ...


3

Many Linux wireless drivers seem to be access point sensitive. In my experience, there are several things you might try. First, check the settings in the router. WPA2-AES is preferred; not any WPA and WPA2 mixed mode and certainly not TKIP. Second, if your router is capable of N speeds, you may have better connectivity with a channel width of 20 MHz in the ...


2

You have to forward the port 22 to your home server. Port 80 is the standard port of an webserver like Apache. You can ping your public IP without to forward any port.


2

You can try to install another driver for this Ethernet card sudo apt-get install r8168-dkms If that does not help, check the cable, contacts on both sides. Expanaition Realtek Ethernet RTL8111/8168 adapters are generally supported out of the box by Linux kernel. There is r8169 module for that. In most cases it works well. But some hardware revisions ...


1

The easiest way is to upgrade kernel. Run in terminal sudo apt-get linux-generic-lts-vivid and reboot after installation finishes. But you have to be connected to internet by wire or a USB dongle. If it is not easy, you can try to boot with a previous kernel using grub menu.


1

The dnsmasq executable binary is included in the dnsmasq-base package. When dns=dnsmasq appears uncommented in NetworkManager.conf, NetworkManager runs a dnsmasq instance to serve as a local forwarding nameserver. The dnsmasq package includes configuration files which support running a dnsmasq instance independently of NetworkManager. The latter dnsmasq ...


1

Run this to reinstall: sudo apt-get install --reinstall dnsmasq


1

The problem was that all of our on-network servers are named *.local and this is inherently incompatible with Avahi. More reading. The solution I used was to edit /etc/nsswitch.conf and change the following line: hosts: files mdns4_minimal [NOTFOUND=return] dns To: hosts: files dns mdns4_minimal [NOTFOUND=return]


1

That's because you have USB tethering active on your phone. In this case the phone is acting like a network interface; the fact that it's plugged in leads to the creation of a network interface within the system, which, when the phone is unplugged, gets destroyed.


1

In Unity 14.04, all I had to do was go to edit connections, Click "add" by using the drop down list to select import a saved VPN configuration, and then select my "filename.ovpn" file, and voila. Done.


1

Try this: Open a terminal,Press Ctrl+Alt+T Run it: sudo iw dev The iw command will list all the connected WiFi adapters: phy#0 Interface wlan0 ifindex 3 wdev 0x1 addr f4:ec:38:de:ad:de type managed Designated name: phy#1 Device names: wlan0 Interface Index: 3 Address: mac address Type: Managed. Type specifies ...



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