#curl version update #curl-update-ubuntu 12.04

curl-update.sh

mkdir ~/curl

cd ~/curl

Try below command to download latest version of curl

wget http://curl.haxx.se/download/curl-7.50.2.tar.bz2

If the command doesn't work then try to download the file using browser in local machine. Then scp it to server in the ~/curl directory

tar -xvjf curl-7.50.2.tar.bz2

cd curl-7.50.2

apt-get install libtool

apt-get install autoconf

./buildconf

./configure

make

make install

# Check curl version by /usr/local/bin/curl --version 

cp /usr/local/bin/curl /usr/bin/curl

# Check global curl version by curl --version

ldconfig

service apache2 restart