Good afternoon. Mi Jul 31 15:34:43 2013 Thank You for Email and help.
> | > | >>> su user2 > | > | >>> sudo firefox > | > | > | > | will open open firefox in the existing X session of "user1" while > | sourcing > | > | user2's firfeox profile/bookmarks, etc. > | > > | > Yes, but only because you're now running firefox as root! Surely > | > not the plan. It also tends to litter your homedir with root owned > | > files ready to cause inconvenience later. > | * > | Is this the same situation > | today I am booting as user1 > | and > | tomorrow I am booting as user2. > > Try to avoid this notion of "booting". Booting is what happens when > you shut the machine down and start it up. * This I wanted to stay. To start the computer in the morning. You may be doing that, > but it is overkill. Just log out, and log in as someone else. If > your desktop has some kind of "switch user" facility, that is even > more convenient. * Ok. > > | What kind of firefox are 1 and 2 using? > > They'd be running the same firefox, but as different users. Hopefully > with the files in each user's specific home directory. This is > reliably done using separate desktops, one as each user. * I think they block each other. > > When you start using "su" you have some pitfalls to consider. Many > programs rely on the $HOME environment variable to decide where > files should go. If you use "su user2" instead of "su - user2" then > $HOME will probably be user1's home directory. Chaos ensues. The > program may well try to write where it has no permission. > > Worse is plain "su" or "su -". That means "su root" or "su - root". > It will have the same "wrong directory" issues, but root will not > be troubles by permissions. It may well write all sorts of files > on user1's home directory, owned by root. The user1 will have trouble > laters when he/she encouters these files. > > Conversely, (with "su -") the program may run as root, and you end > up leaving personal stuff in root's home directory. > > Keeping things in distinct desktops and avoiding "su" is far less confusing. * OK. Regards Sophie ------------------------------------ To unsubscribe from this list, please email [email protected] & you will be removed.Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/LINUX_Newbies/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/LINUX_Newbies/join (Yahoo! ID required) <*> To change settings via email: [email protected] [email protected] <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
