Install Chimera on Ubuntu 16.04 as non-root user

Open the URL

https://www.cgl.ucsf.edu/chimera/download.html

in a web browser.
Click a download link for Linux 64-bit (for instance https://www.cgl.ucsf.edu/chimera/cgi-bin/secure/chimera-get.py?file=linux_x86_64/chimera-1.12-linux_x86_64.bin or https://www.cgl.ucsf.edu/chimera/cgi-bin/secure/chimera-get.py?file=linux_x86_64/chimera-1.11.2-linux_x86_64.bin )
Accept the license and download the file
Create an install directory where to install chimera

(for instance /tmp/chimera/1.11.2 ). Note /tmp/ is erased after reboots so you should probably choose something else. Open up a terminal and type
```
user@laptop:~$ mkdir -p /tmp/chimera/1.11.2
```

Start the installation

user@laptop:~$ chmod 755 ~/Downloads/chimera-1.11.2-linux_x86_64.bin
user@laptop:~$ ~/Downloads/chimera-1.11.2-linux_x86_64.bin

Answer the question Enter install location

First erase the default answer ~/.local/UCSF-Chimera64-1.11.2 by pressing backspace, then type /tmp/chimera/1.11.2
Answer the question Install desktop menu and icon?

Type No
Answer the question Install symbolic link to chimera executable for command line use in which directory?

Type 0

Run Chimera

user@laptop:~$ /tmp/chimera-1.11.2/bin/chimera

user@laptop:~$ du -sh /tmp/chimera-1.11.2/
447M    /tmp/chimera-1.11.2/

The Chimera 1.11.2 installation uses 447 Mb of disk space.