For questions related to users, user accounts, user permissions or guest accounts.

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22
votes
1answer
2k views

Why is there a man entry in /etc/passwd

I've noticed that there is an entry for the man user in my /etc/passwd file. What is the purpose of this user? man:x:6:12:man:/var/cache/man:/bin/sh
0
votes
0answers
95 views

Keyboard and Mouse Both PS2 and USB Not working after Installing Ubuntu

We are Installed Ubuntu 14 OS after that Keyboard and Mouse not working our mother board is Gigabyte GA-M61PME here that thier is IOOMU Setting
1
vote
1answer
99 views

How to make sudo use a separate password?

Using Ubuntu 14.04, I have 2 accounts: Account A (first one set up) with Password 1 Account B (second set up) with Password 2, when updating software in Account B, I use Password 1 to authenticate. ...
-1
votes
1answer
199 views

Jailkit freezing

I'm trying to jail ssh users on my Ubuntu 14.04 server. So after installing Jailkit version 2.17 (with the help of this tutorial) I'm now trying to follow this AskUbuntu answer to use Jailkit. After ...
3
votes
0answers
184 views

How to change my own home directory?

I use this command to change my home directory: sudo usermod -d new-path -m myname But I got this error: usermod: user myname is currently logged in How could I change my own home directory and ...
1
vote
1answer
106 views

/etc/sudoers file problem understanding

According to the documentation, modifications of this file may enables local users to execute sudo commands on remote machines: user1 192.168.1.14=(user2:group1) ALL According to what I read, ...
1
vote
0answers
56 views

How does a keylogger respond when the user switches profiles

I'm wanting to log keystrokes on this ubuntu computer and I was wondering how a keylogger program responds when the user goes from a default user account and then logs in as root or vice versa. For ...
0
votes
1answer
208 views

Ubuntu login history?

Multiple users have logged into my 14.04 desktop system. When I want to logout or lock my screen, the drop down menu shows a long list of many of the users who have logged in. I would really like to ...
2
votes
1answer
170 views

Ubuntu no longer prompts for root privilege (but doesn't give it either)

So on 14.04 LTS I was playing around with some settings to solve another problem, and somehow managed to screw things up and now Ubuntu no longer asks for root privileges before trying to perform ...
1
vote
2answers
223 views

Unable to write in folder in which my user has write access

Before I say anything, I know how permission for groups and users works. My setup is: a. my user is monkey and is in the group www-data groups monkey monkey : monkey adm cdrom sudo dip ...
1
vote
3answers
111 views

How do you limit root to no more than 1 login at a time?

I took a practice test for a cert and one of the questions was "Limit root to no more 2 simultaneous logins, make this configuration persistent between restarts". I didn't even really know this was ...
-2
votes
2answers
115 views

How can I make my main user an administrator, just like in Windows XP? [duplicate]

How can I make my main user which I log into, an administrator just like in Windows XP?
2
votes
1answer
2k views

Allow chown command to www-data user

Is there a way to allow chown command to be run by www-data but limiting it in a way that the files owner can be changed only to uids greator than that of www-data user? I already researched a lot ...
0
votes
2answers
224 views

What is the root user

If you use sudo su - or sudo -s you will get the full root certification "likewise a root user ". Is this user an official user or is it from canonical? ~$ sudo su - [sudo] password for username: ...
1
vote
1answer
600 views

Why does Tor unexpectedly exit every time I open it?

Every time I try to run tor it unexpectedly exits and I get this in my terminal: (process:28965): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed Aug 04 01:38:35.833 ...
4
votes
2answers
833 views

Cannot add a new user

I am trying to add a new user to my ubuntu 14.04 os. I go System Settings -> User Accounts and try to click the [+] button, but nothing happens it is grayed out. The system did not ask me for ...
0
votes
1answer
34 views

How can I make the files created by one user readable/writable by another? [duplicate]

I have a user account I created with no password to run some daemons on my server. I want my user account to be able to read,write, and delete files created by this user. How do I do this? Both users ...
1
vote
0answers
25 views

System-level energy/power preferences

In Windows, mmc allows to set energy/power preferences for all users at a system-level: they can't change these settings until an administrator unlocks them. Is there any way to do the same in ...
1
vote
1answer
404 views

Is it possible for users not to be in passwd? [closed]

So I have a shell on a remote server. [alexandros.dimos@fep-62-1 ~]$ whoami alexandros.dimos [alexandros.dimos@fep-62-1 ~]$ cat /etc/passwd this too long the point is my user is not ...
-2
votes
2answers
213 views

how to activate root user [duplicate]

I'd prefer to use root user as my default user instead of writing sudo command to get temporary root access. is the root user disabled by default ? how can i start using root user? what are the ...
0
votes
1answer
591 views

How do I enable/disable guest account in Trusty 14.04.1

Only my user is shown on greeter, guest is not, my wife is not. This is a system I reinstalled from 12.04-i386 to 14.04-amd64, reformating all but /home. Even a user created from Trusty won't show on ...
0
votes
1answer
114 views

Unable to remove domain name from 14.04

I have a domain called "csez.testcorp.com". I have created a user called "admin". But in terminal it appears as "testcorp\admin@admin:~$" I want to remove the testcorp in front of the domain user ...
0
votes
0answers
44 views

I don't want other administrator to change my password [duplicate]

I have one administrator account in my system which named as "admin". One more admin account called "test". I don't want test account to reset "admin" account and root account password in my system. ...
1
vote
1answer
59 views

I've changed my computer host name, but it's not affected on files? [closed]

I have changed the name of a newer laptop to my name, but all files etc., are still referred to as the old name. In your discription to change host name using CMD prompt, I didn't understand how to ...
1
vote
0answers
25 views

How to enable password for administrator user account [duplicate]

I disabled the password for my user account while I was logged in (I was the only administrator). But I did not enable automatic login. I switched user to "Guest", but when I switched back to my ...
1
vote
1answer
48 views

Moving away from ROOT user

I've recently been asked to help out a friend with some server and website issues they have been having, nothing major really. However I found out that since the day they got their VPS everything, ...
1
vote
1answer
176 views

Hide a particular account from user accounts

How to hide a particular administrator account from user accounts in system settings? I need it for security reasons. Is it possible?
0
votes
1answer
775 views

I can't add myself(default user) in sudo group in ubuntu [duplicate]

I accidentally changed my primary group using the following command. sudo usermod -g localgroup shantanu #shantanu is my username I interrupted this process as soon as I realize what is happening. ...
0
votes
1answer
92 views

Script To Logout Root and Login User

I was wondering if there was a way to make a script that logouts of root or takes the automatic root login and logs in a user. This is for security reason so that the user cannot change important ...
0
votes
2answers
4k views

Ubuntu complains that I am not “Owner” when copying files to certain folders

I am trying to copy a folder into the user/share/themes folder on Ubuntu 14.04, and it's telling me I cannot do this because I am not "owner". So I right-clicked the usr/share/themes folder > ...
1
vote
1answer
45 views

Setting up new user allowed actions

I made a new user but have been trying to research how to limit their ability to make changes to the system. I am basically looking for them to having the ability to change ifconfig settings. Beyond ...
1
vote
0answers
42 views

best practice for sharing data between users [duplicate]

I'm new to ubuntu and i've partitioned disk as follows / 100G swap 30g -- i need to run virtuals /home 500g and that structure after searching the problem I face is where to put files for ...
0
votes
2answers
568 views

useradd not asking for a password?

I created new users from the terminal using sudo useradd -g mygroup testuser but I wasn’t prompted to set a password? why was that? the users have now been created but I need to set a password for ...
0
votes
1answer
112 views

I lost my user and my home

Yesterday I started Ubuntu and when I put in my password at the login screen it said "password incorrect". I ran the Ubuntu check disk utility and an error said "2 problems press any key to ...
0
votes
2answers
104 views

Why does Ubuntu keep asking me for another super user's password?

I have two users: misha-local (the first user I created when installing Ubuntu) misha (a user authenticated against an LDAP server) I'm logged in as misha. misha@misha-antec:~$ whoami misha ...
2
votes
1answer
33 views

Different users with different encrypted workplace?

When installing Ubuntu there is an option to encrypt the workplace. Now for one user I would have an encrypted place. That´s fine, but what if I would like to add later a second user. For that user2 I ...
2
votes
2answers
325 views

Change guest username

Now, looking around on Google shows me some ways in which to customise the settings of the Guest session. But, I would love a way to change the name of the Guest account. Basically, I'm planning to ...
1
vote
2answers
123 views

Prevent a user using sudo [duplicate]

Can we restrict a user and do not let him to go to the root mode. For example, when he inter sudo su, The system tells him you can not access the root?
0
votes
2answers
55 views

Is adding a user needs password [duplicate]

In my Ubuntu after login by my user account, I want to create another user I intered bellow commands : adduser alex_2 -m I created new user, but when I want to login, Ubuntu needs passwords and I ...
0
votes
1answer
65 views

Virtual filesystem acting as a clone+difference of a master filesystem

At my company about 10 devs share an ubuntu dev server. We have separate code directories, but due to our database size (about 50 GB), it isn't practical to clone the mysql database for each ...
0
votes
1answer
47 views

How can I have the HOME directory for one user on an external drive?

I want to have the HOME directory of one user on an external drive and the HOME directories of all other users in the usual place.
1
vote
1answer
2k views

Create read only user and grant SSH access

I need to create read-only users and make it available for them to SSH with that user name: groupadd -g 5000 rouser useradd -u 5000 -g 5000 -md /home/rouser -c "StrongView Linux User" -s /bin/bash ...
0
votes
1answer
40 views

Which user is logged in, with likewise and Ubuntu12.4?

I need to know which user is logged in my computer but with likewise package installed it does not work. I've used the following commands who users psutil.get_users()[with python] in all cases the ...
0
votes
1answer
67 views

Limiting file access for a huge number of users

The ubuntu is really great for it's user management, every service can use it's own system user: but should I use it for distribution? Let's say I have a service, that I host, with many customers who ...
1
vote
1answer
2k views

Cannot delete user - running '/usr/sbin/userdel' failed: Child process exited with code 16

When I tried to delete a user using the User Accounts window under Settings, I get the following error message: running '/usr/sbin/userdel' failed: Child process exited with code 16 How can I delete ...
1
vote
1answer
155 views

What is the different between an Normal and Admin account?

What is the different between an Normal user account and the Admin account in Ubuntu? You must always enter your password if you want do something. Can you give a Normal account "limitations" to do ...
1
vote
1answer
137 views

Is it possible to allow the User Account to access the 'Volumes' without asking the Administrator's password?

Am the administrator of my Ubuntu system. Recently I added a new user account. But when ever the user tries to access or open the 'Volumes'(Drives where movies, songs and other files are stored) it ...
0
votes
2answers
49 views

Sharing files to another account

I have just opened an account on the system settings on my pc for family members. I want to put some pictures and videos from my account on to theirs.
2
votes
0answers
1k views

Run script in /etc/rc.local under specific user

I am using portia (https://github.com/scrapinghub/portia) and I have set the following command in my rc.local: cd /home/portia/portia/slyd && twistd slyd Problem here is that the ...
0
votes
1answer
81 views

sudo adduser to set default directory

I used sudo adduser to add a new user for webmaster, so I set home directory to /var/www to let this user have rights to save file on the web server. I just realized that I use webmaster account to ...