How to install Objective C on Ubuntu

How to install Objective C packages:

To install them:

sudo apt-get install gobjc gnustep gnustep-make gnustep-common

To compile files:

gcc -o hello hello.m -Wall -lobjc

How to play .mp4 files on Ubuntu

How to play .mp4 files

Simply install these packages:

sudo apt-get install gstreamer0.10-plugins-bad gstreamer0.10-plugins-ugly

How to disable AppleMobileDeviceService.exe on Windows

How to disable AppleMobileDeviceService.exe

To disable the service, launch services.msc

Windows + R > Type services.msc

Right click on the service and set the Start Up type to "Disable" and hit "Stop" service

How to disable IPV6 in Ubuntu

How to disabled IPV6

First, check to see if you are running IPV6(there is more than just one way to check):

ip a | grep inet
netstat -tupln

Try blacklisting: /etc/modprobe.d/blacklist.conf add this to the file(have to restart):

blacklist ipv6

/etc/sysctl.conf add this to the file and then run "sudo sysctl -p":

net.ipv6.conf.all.accept_ra = 0
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1

/etc/default/grub and then run "sudo update-grub2":

GRUB_CMDLINE_LINUX="ipv6.disable=1"

Always check your work: