How to Install Libtiff4 & Libtiff4-dev for Ubuntu 18.04 Bionic GNU+Linux Easy Guide

Installing libtiff4

3. 3. Setting Up Repo

   Elsewhere proceed to Add the Ubuntu Precise Extra Packages Repo.

   sudo su

   If Got “User is Not in Sudoers file” then see: How to Enable sudo

   echo 'deb [trusted=yes] http://old-releases.ubuntu.com/ubuntu/ precise main universe' >> /etc/apt/sources.list.d/extra.list

   And Refresh the Apt Sources with:

   apt update

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4. 4. Installing libtiff4

   Installing libtiff4 on Ubuntu 18.04
   So to Install it:

   apt install libtiff4 libtiff4-dev

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5. 5. Disabling Repo

   Disabling the Ubuntu Extra Apt Repo.

   rm /etc/apt/sources.list.d/extra.list

   apt update

   Finally, to Achieve the SuperUser session:

   exit

   Or simply Close the Terminal window ;)