<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div>Hallo, I have been trying to install and run ncl and I keep getting errors.</div><div>I am using Ubuntu 20.04.2 LTS (GNU/Linux 5.4.0-74-generic x86_64)</div><div>I installed <!--StartFragment--><a href="https://www.earthsystemgrid.org/api/v1/dataset/ncl.640.nodap/file/ncl_ncarg-6.4.0-CentOS6.8_64bit_nodap_gnu447.tar.gz" onclick="ga('send', 'event', {eventCategory: 'Outbound Link', eventAction: 'click', eventLabel: event.target.href});" style="box-sizing: border-box; background-color: #f9f9f9; color: #23527c; text-decoration: underline; outline: -webkit-focus-ring-color auto 5px; outline-offset: -2px; font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;" data-mce-href="https://www.earthsystemgrid.org/api/v1/dataset/ncl.640.nodap/file/ncl_ncarg-6.4.0-CentOS6.8_64bit_nodap_gnu447.tar.gz" data-mce-style="box-sizing: border-box; background-color: #f9f9f9; color: #23527c; text-decoration: underline; outline: -webkit-focus-ring-color auto 5px; outline-offset: -2px; font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;">ncl_ncarg-6.4.0-CentOS6.8_64bit_nodap_gnu447.tar.gz</a><!--EndFragment--> as instructed in <a href="http://www.ncl.ucar.edu/Download/">http://www.ncl.ucar.edu/Download/</a>. I then did try to run the command</div><div><br data-mce-bogus="1"></div><div>ncl util/plotgrids.ncl<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>I got a response that NCL does not exist and I can install i using sudo apt install ncl_ncarg.</div><div><br data-mce-bogus="1"></div><div>When I tried to test the NCL, i got this error</div><div><br data-mce-bogus="1"></div><div><div>root@ksawrf:/home/ksa# which ncl</div><div>/usr/local/ncl-6.4.0/bin/ncl</div><div>root@ksawrf:/home/ksa# ncl -V</div><div>ncl: error while loading shared libraries: libgfortran.so.3: cannot open shared object file: No such file or directory</div><div><div>root@ksawrf:/home/ksa# sudo apt-file search libgfortran.so.3</div><div>root@ksawrf:/home/ksa# locate libgfortran.so.3</div></div></div><div><a href="mailto:root@ksawrf:/home/ksa#">root@ksawrf:/home/ksa#</a><br></div><div><br data-mce-bogus="1"></div><div>I tried to install ncl 6.2.2 and I got the same error.</div><div>I have checked the lib directories in the usr and local directory and I cannot see libgfortran.so.3</div><div>so I tried to install it and this is the error I got</div><div><br data-mce-bogus="1"></div><div><div>ksa@ksawrf:~$ sudo apt-get install libgfortran3</div><div>[sudo] password for ksa:</div><div>Reading package lists... Done</div><div>Building dependency tree</div><div>Reading state information... Done</div><div>E: Unable to locate package libgfortran3</div><div>ksa@ksawrf:~$</div></div><div><br></div><div><br data-mce-bogus="1"></div><div>Please help</div><div><br></div></div></body></html>