increase internet speed in ubuntu

Internet speeds in Ubuntu can be increased. Simply follow the steps.

• Open a Terminal via Applications->Accessories->Terminal  and type the following

                          sudo vim  /etc/sysctl.conf         (press i for edit mode)

• Then Paste the Following at the end of the file:

         ## increase TCP max buffer size setable using setsockopt()          net.core.rmem_max = 16777216          net.core.wmem_max = 16777216          ## increase Linux autotuning TCP buffer limits          ## min, default, and max number of bytes to use          ## set max to at least 4MB, or higher if you use very high BDP paths          net.ipv4.tcp_rmem = 4096 87380 16777216          net.ipv4.tcp_wmem = 4096 65536 16777216          ## don't cache ssthresh from previous connection          net.ipv4.tcp_no_metrics_save = 1          net.ipv4.tcp_moderate_rcvbuf = 1          ## recommended to increase this for 1000 BT or higher          net.core.netdev_max_backlog = 2500          ## for 10 GigE, use this, uncomment below          ## net.core.netdev_max_backlog = 30000          ## Turn off timestamps if you're on a gigabit or very busy network          ## Having it off is one less thing the IP stack needs to work on          ## net.ipv4.tcp_timestamps = 0          ## disable tcp selective acknowledgements.          net.ipv4.tcp_sack = 0          ##enable window scaling          net.ipv4.tcp_window_scaling = 1 

 

• Then  type the follwing to exit and save what you have just done. Press ESC to quit the edit mode and type the following.

                                    :wq

• Then type the following to to apply the settings.

             sudo sysctl -p          

• You can disable all these settings by removing these lines you added via:

             sudo gedit /etc/sysctl.conf  Courtesy: ubuntumanual.org