§2024-12-20

My mount a smaba drive using /etc/fatab

# mount munetaka.me JupyterHub smb share
//114.33.29.69/RStudio    /opt/RStudio        cifs   credentials=/home/alexlai/.smbpass,noperm 0 0

And

(base) rstudio-server@Jetson:~$ ls -l
total 52
drwxrwxr-x 30 rstudio-server rstudio-server 4096 十二 20 16:15 anaconda3
drwxr-xr-x  2 rstudio-server rstudio-server 4096 十二 11 07:32 Desktop
drwxr-xr-x  2 rstudio-server rstudio-server 4096 十二 20 15:31 Documents
drwxr-xr-x  2 rstudio-server rstudio-server 4096 十二 20 18:32 Downloads
drwxr-xr-x  2 rstudio-server rstudio-server 4096 十二 20 15:31 Music
lrwxrwxrwx  1 rstudio-server rstudio-server   13 十二 20 19:37 opt_RStudio -> /opt/RStudio/
drwxr-xr-x  2 rstudio-server rstudio-server 4096 十二 20 15:31 Pictures
drwxr-xr-x  2 rstudio-server rstudio-server 4096 十二 20 15:31 Public
drwxr-xr-x  3 rstudio-server rstudio-server 4096 十二 19 20:11 R
drwxr-xr-x  5 rstudio-server rstudio-server 4096 十二 20 19:32 RStudio
drwxrwxr-x  2 rstudio-server rstudio-server 4096 十二 20 18:06 scripts
drwx------  3 rstudio-server rstudio-server 4096 十二 20 15:32 snap
drwxr-xr-x  2 rstudio-server rstudio-server 4096 十二 20 15:31 Templates
drwxr-xr-x  2 rstudio-server rstudio-server 4096 十二 20 15:31 Videos
(base) rstudio-server@Jetson:~$ ls opt_RStudio

How the the permission of rstudio-server are determined?