Thank's for your answer,

I Try :

patrick@45:/odoo$ sudo chmod 755 -R custom/
patrick@45:/odoo$ ls -lh
total 8,0K
drwxr-xr-x  3 odoo odoo 4,0K oct.  23 02:51 custom
drwxr-xr-x 10 odoo odoo 4,0K oct.  23 02:51 odoo-server

My right don't move...

:(

Thank's

Use

sudo

It is recommended that the subfolders in your addons folder have 755 permissions and your files 644.

Try this,

$ sudo chmod 755 -R   /path to your customaddons folder 

Using above command you can change your folder permission. if it is not working place change your .zip file permissions also.