0
votes
4answers
362 views

Can't connect to WIFI after sleep Ubuntu 14.04

After an upgrade over a previous version to Ubuntu 14.04 I have problems with connecting to WiFi. After suspending it won't reconnect to any existing network unless I restart the laptop. sudo lshw -C ...
0
votes
1answer
61 views

Are application layer protocols part of system utilities?

Are applications layer protocols like dhcp, http, dns, ftp, nfs, smb, etc part of system utilities like ls, cp, chmod, rm, mv, etc?
2
votes
2answers
323 views

Bash script not working properly when run automatically

I have a script that sets my proxy automatically depending upon the connection and so its placed in /etc/network/if-up.d/ folder. I set the proxy using gsettings tool and then I want to show a ...
0
votes
1answer
80 views

Unstable Wifi and Spontaneous Low-graphic Error with Pavilion DV4

I've been having numerous problems with connectivity through WiFi. It had been working for a few days and now it doesn't. On top of that around 40% of every time I turn on the laptop it shows "System ...
3
votes
1answer
5k views

How do I disable TCP Window Scaling?

TCP Window Scaling is part of RFC1323 - TCP Extensions for High Performance I'm on Ubuntu 10.10 at the moment. For an immediate effect I have run the following: sudo sysctl -w ...
9
votes
8answers
15k views

How to make my proxy settings change depending on the network I connect to?

My company's corporate network requires me to set a network proxy to access the net, but when I am anywhere else, I don't need it. The proxy settings in Ubuntu (System -> Preferences -> Proxy server) ...