How should I be running `npm install …`?

[Josh Marshall]

Hello all,

The is my work email, I’m usually on IRC as “anadon”.  My laptop broke, so 
please humor the account change.

Following the guide at 
https://medium.com/jeremy-keeshin/hello-world-for-javascript-with-npm-modules-in-the-browser-6020f82d1072
 , I’m trying to run `npm install -g browserify` with the output below.  This 
is something others have certainly run into, but a quick google search does not 
turn up any useful results.  How should I be doing this?


```
npm WARN checkPermissions Missing write access to 
/gnu/store/39zkw3a8lxkxs7rmx4238959zc368075-node-10.19.0/lib/node_modules       
                              npm ERR! code EACCES                              
                              npm ERR! syscall access                           
                              npm ERR! path 
/gnu/store/39zkw3a8lxkxs7rmx4238959zc368075-node-10.19.0/lib/node_modules       
                                                                  npm ERR! 
errno -13                                                              npm ERR! 
Error: EACCES: permission denied, access 
'/gnu/store/39zkw3a8lxkxs7rmx4238959zc368075-node-10.19.0/lib/node_modules'     
                              npm ERR!  { [Error: EACCES: permission denied, 
access 
'/gnu/store/39zkw3a8lxkxs7rmx4238959zc368075-node-10.19.0/lib/node_modules']    
                          npm ERR!   stack:                                     
                          npm ERR!    'Error: EACCES: permission denied, access 
\'/gnu/store/39zkw3a8lxkxs7rmx4238959zc368075-node-10.19.0/lib/node_modules\'', 
                          npm ERR!   errno: -13,                                
                          npm ERR!   code: 'EACCES',                            
                          npm ERR!   syscall: 'access',                         
                          npm ERR!   path:                                      
                          npm ERR!    
'/gnu/store/39zkw3a8lxkxs7rmx4238959zc368075-node-10.19.0/lib/node_modules' }   
                                                                    npm ERR!    
                                                                    npm ERR! 
The operation was rejected by your operating system.                   npm ERR! 
It is likely you do not have the permissions to access this file as the current 
user                                                                   npm ERR! 
                                                                       npm ERR! 
If you believe this might be a permissions issue, please double-check the       
                                                                       npm ERR! 
permissions of the file and its containing directories, or try running npm ERR! 
the command again as root/Administrator.                                        
                                                                       npm ERR! 
A complete log of this run can be found in:                            npm ERR! 
    /home/marshjo/.npm/_logs/2020-04-30T14_50_56_150Z-debug.log
```
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