Double Commander – Cannot load library libunrar.so! Please check your installation.

 

  1. Install  build-essential package
    apt install build-essential 
     
  2. Download UNRAR source file:
    http://www.linuxfromscratch.org/blfs/view/svn/general/unrar.html
     
  3. Extract source file into a new folder.
     
  4. Navigate to the new folder and run the following command to create the libunrar.so file:
    # make -f makefile-lib 
     
  5. Run the following command to install the libunrar.so file in /usr/lib/
    # make install-lib
    install libunrar.so /usr/lib

    install libunrar.a /usr/lib 
     
  6. Open Double Commander and try to open RAR file