login, to authenticate with a server

learn more… | top users | synonyms (1)

50
votes
3answers
37k views

how to disable SSH login with password for some users?

On Linux (Debian Squeeze) I would like to disable SSH login using password to some users (selected group or all users except root). But I do not want to disable login using certificate for them. ...
33
votes
2answers
1k views

What's the meaning of logging in as “username@mydomain.com:something”

My Windows 2008 R2 machine is joined to a domain. In the logon screen, if I type in "username@mydomain.com:something" as the username, I can still logon properly, what's the meaning of ":something" ...
28
votes
10answers
7k views

Why su to root instead of logging in as root?

I've heard often that it is better to su to root rather than log in directly as the root user (and of course people also say that it's even better to use sudo). I've never really understood why one ...
28
votes
11answers
23k views

Linux: how to prevent a user from login in, but allow “su - user”

How do you allow a user to log in using "su - user" but prevent the user from login in using SSH? I tried to set the shell to /bin/false but the when I try to su it doesn't work. Are there several ...
22
votes
25answers
2k views

Is Open ID better than the usual LogIn system? [closed]

We are developing a web system and considering using the Open Id feature. Do you think it is any better than the usual way of loggin users in? If we use the Open Id feature that means the users will ...
18
votes
8answers
15k views

change directory automatically on ssh login

I'm trying to get ssh to automatically change to a particular directory when I log in. I tried to get that behaviour working using the following directives in ~/.ssh/config: Host example.net ...
16
votes
14answers
1k views

Reasons for missing IP info in `last` output on pts logins?

I have five CentOS 6 linux systems at work, and encountered a rather strange issue that only seems to happen with my userid across all the linux systems I have... This is an example of the problem ...
16
votes
2answers
2k views

Is there a specific name for the “.\” (dot-slash) shorthand used to log onto a Windows machine?

I guess the title just about says it all. And yes, .\, not that obsolete \. thing. :) For those who don't know, .\ is a shorthand way of saying "this computer"*see "footnote" in Windows at a logon ...
15
votes
7answers
4k views

Should we disable the root user?

Should we remove the root password, disable remote login and basically require adminstrators to use sudo to perform administrative actions?
14
votes
5answers
15k views

Log MySQL login attempts

From time to time there are failed login attempts in our MySQL production server (MySQL dashboard alerts us). Is there a way to log every single success and failed login to the MySQL server without ...
13
votes
7answers
20k views

Auto-login in Windows Server 2008

Does anyone know a (verified) method to cause a specific user to auto-login after a system reboot, that works on Server 2008? I've tried tweaking some registry values (I don't have the link right ...
12
votes
7answers
14k views

How do I disable root login in Ubuntu?

a while ago I gave root a password so I could log in as root and get some stuff done. Now I want to disable root login to tighten security, since I'm going to be exposing my serve to the internet. ...
8
votes
4answers
121k views

What's the default username and password for an Ubuntu Live CD?

What's the username and password for an Ubuntu Live CD image? I ask cause I've recently copied the contents of an Ubuntu based live ISO (easypeasy, the ldistro for nwtbooks) onto a harddisk, but the ...
8
votes
2answers
4k views

How to find who was logged in before beginning of wtmp

I'm trying to determine who was recently logged into a specific machine in my office. So I used last, but wtmp begins yesterday (Monday) around 14:30. I was hoping to find info stretching back to ...
8
votes
6answers
19k views

Tool to test a user account and password (test login)

Yeah, I can fire up a VM or remote into something and try the password...I know...but is there a tool or script that will simulate a login just enough to confirm or deny that the password is correct? ...
8
votes
2answers
4k views

Ubuntu login page: where to specify users list shown

Using Ubuntu 10.04.1 Desktop (Latest) After the boot process, GDM shows the graphical login screen along with a list of users that can log in. Clicking a name will ask for its password. I would like ...
8
votes
4answers
659 views

Remote Root Login

I know one of the first things you do to secure a server is disallowing remote root login. Passwords are pretty weak; what do people think of only allowing root login via ssh keys or other ...
7
votes
3answers
9k views

Why won't automatic login through ssh with authorized_keys work?

I have created a private/public dsa-keypair. I've put the public key on the server in ~/.ssh/authorized_keys Everything is set up like my other server, but it seems like the server is just ...
7
votes
4answers
20k views

Linux closing connection after successful login

I am working on a server with Debian 5.2.2. Barely having any administrative knowledge with Linux, I think I screwed something up. I used apt-get update and apt-get upgrade to get everything up to ...
7
votes
4answers
21k views

How to configure vsftpd to allow root logins?

I'm on SLES 10.1, and trying to configure vsftpd to allow root logins. Does anyone know how to do this? So far, I have this: local_enable=YES chroot_local_user=NO userlist_enable=YES ...
7
votes
1answer
2k views

Can I add user accounts to Windows Server 2012 based on Microsoft accounts?

Windows 8 lets me create user accounts simply by the email address of a Microsoft account (aka Windows Live account). Is there someway to activate such a facility in the Windows Server 2012 SKU?
7
votes
2answers
764 views

Precached Windows Logins?

I know if a Windows users logs into a machine, and later that machine falls off the network, that the user can log in to the machine with cached credentials. Is there any way to precache those ...
7
votes
1answer
631 views

Is it possible to replace the Mac's Login Window?

I know that the login window on OS X can be customized -- you can change the background image, replace the Apple logo, add text and set the size, hide users, and set up login/logout hooks, and, ...
6
votes
4answers
1k views

Ubuntu linux takes longer time for incorrect passwords

When I log into my Ubuntu 8.10 box with a correct password the system figures out almost instantaneously that the password is correct and logs me in. However, if I supply an incorrect password, it ...
6
votes
3answers
345 views

Remote Desktop on the same network

I have a main server set up and staff that use laptops to come into the office and work. We have currently moved everything over onto a server setup in the office that the staff can all remote desktop ...
6
votes
2answers
8k views

Login failed for “IIS AppPool\ASP.NET v4.0” - SQL Server Web

I'm trying to migrate a website from SQL Server 2008 Express to SQL Server Web, and the website is having trouble accessing the database. In truth, Express was only ever used by running the website ...
6
votes
2answers
147 views

Logging in from different computers using SSH keys

Forgive the noob-ness of my question, but I'm taking baby steps. I've read about why it is important to use SSH keys for logging into my server. However it seems to me that this is most useful if you ...
6
votes
5answers
7k views

How to Login to Windows XP/7 Using a USB stick for authentication

Is there a way to log into Windows using a USB stick? (on Windows XP/7) I have student workers whom I would like to give admin rights for maintenance, but I would like to refrain from giving out a ...
6
votes
3answers
8k views

Failing to connect to server via SSH - “Server refused to allocate pty”

I have a STRATO V-PowerServer running with Ubuntu 10.10 for my stuff but lately have problems connection to the server via ssh. Basically all I have is ssh-access to the server and if necessary I can ...
6
votes
2answers
532 views

Ubuntu MySQL GUI logins with certificate/key

I will connect to MySQL on ubuntu cloud server everyday with Mysql Administrator and Mysql Query Browser GUI tools and I feel very slow in responding. I know it is possible to connect with ssh ...
6
votes
2answers
155 views

What can I do to fix missing start menu/desktop icons for a domain user?

I'm having a problem with one user account in my domain. The domain controller is Server 2008 R2, with Win7 clients. The user's password expired, so she went through the process of changing it. We ...
6
votes
3answers
11k views

Skip new Windows 7 user selection and go to login prompt

We've begun our migration to windows 7 and we ran into an interesting issue. When we hit "CTRL+ALT+DEL" we are brought to the "User selection Screen". Normally, this screen will have an icon for every ...
5
votes
6answers
3k views

lots of failed SSH login attempts - should I be concerned? [duplicate]

Possible Duplicate: Is it worth the effort to block failed login attempts Is it normal to get hundreds of break-in attempts per day? I'm managing a number of completely different root ...
5
votes
7answers
7k views

Should I use a login banner and if so, what should it say?

Are interactive login banners worth having? The general consensus is that they are, but what should the banner say? Some things that are being considered (no particular order): ownership of the ...
5
votes
2answers
3k views

Allow AD users in a specific group to logon only on specified computers

We've got a Win2K8 domain and we want to allow users in a specific group to logon only on specified computers in a specific groups. How can we do this?
5
votes
3answers
715 views

Running a shell script for certain user who logs in with SSH

First time here and posting just because I can't seem to find the answer to this, or whether is this even possible. The problem I'm having is that I want to create a script that will be run ...
5
votes
3answers
3k views

Windows Server 2008 R2 RDP login paste password

Is there any utility out there that allows me to paste the password in my clipboard to Windows Server 2008 R2 RDP login screen as if I'm typing the characters directly from the keyboard? I login a lot ...
5
votes
1answer
2k views

How to hide a trusted domain in the logon screen?

I need to create a bidirectional trust between two Active Directory domains. But management is worried that users will be puzzled out when seeing another domain name in the drop-down list in the ...
5
votes
5answers
3k views

Send email when anyone logs on

My CentOS/RHEL system may have been hacked, I'm not sure. But I'm playing it safe by creating a new slice from scratch. I've installed tripwire, but I'd also like to be emailed when anyone logs in. I ...
5
votes
1answer
2k views

Powershell script to find if a user has logged in since last reboot

So I've been working on a Powershell script that needs to detect if an interactive logon has happened since the last reboot. I can force the system to restart before I launch the task, but I'd like to ...
5
votes
4answers
2k views

Extremely Slow Login: Group Policy Printers

I'm having a few issues with a specific GPO that's causing 5+ minute delays on logins (not just initial logins either). The server is running Windows Server 2012 I'm adding printers under ...
5
votes
6answers
4k views

Easiest way to start application before login?

I would like to have an application restart automatically if a server crashes. It would have to restart without needing a user to login to an account. (run a program before login) Based on my ...
5
votes
3answers
1k views

How can I restrict Windows AD logon to a certain group?

Our organisation has an AD; all users are in the one OU. I administer a section of the users. We have a bunch of computers that I only want to allow logon by users in a particular AD group (i.e. users ...
4
votes
7answers
992 views

will hosting provider have access to my dedicated server?

I am looking to buy a dedicated server for my web application.But I am concerned about security to my application code and who can access to my server even dedicated server.As hosting provider ...
4
votes
3answers
245 views

One AD user Multiple Logins

I have a department of 20 users or so, which basically work in shifts but access the same desktop and settings, I am thinking to join these computers (15 computers) to AD and create only ONE account ...
4
votes
3answers
1k views

Why is my “Last log on” date wrong?

I'm sitting here across the office from Bob, who is logged into the domain right now, working away. I pull up AD Admin Center and take a look at Bob's account and it tells me his last log on date is ...
4
votes
5answers
21k views

Disable usage of console-kit-daemon in Ubuntu

I administrate several Ubuntu 9.04 servers, and everytime I log in, I get the Landscape utility printout with server stats, etc. I really don't need this and it slows down my logins considerably. ...
4
votes
4answers
3k views

How do I monitor failed logon attempts in Windows?

Is there any reliable way to monitor failed logon attempts on-the-fly in Windows XP? (well, Vista too for that matter). I need to monitor failed logon attempts programmatically which is currently ...
4
votes
1answer
1k views

Stress login-area with Siege

I need testing the performance of the reserved area of my website. I want use Siege for this goal. For accessing to reserved area you must be logged to my site. How can I send with Siege a ...
4
votes
2answers
2k views

How to log every login (SSH) on FreeBSD

I want to log every SSH login attempts, both successful and not, to my FreeBSD server to a file, and daily mail this log to root. I could accomplish something like this by parsing /var/log/auth.log, ...