Networking :: SSH - Can't Login Using Hostname Can Login Using Ip Address
Jan 26, 2009
I am having a problem logging into my remote gentoo (2.6.23) linux machine using my hostname from my Windows XP machine using cygwin. I can login using my ip address, but not the hostname.
This works:
$ ssh me@xxx.xxx.xx.xxx
This does NOT work:
$ ssh me@my_hostname
ssh: connect to host my_hostname port 22: Connection refused
I have verified that my hostname is indeed "my_hostname" on my linux machine by using the "hostname" command.
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Apr 30, 2010
I've setup openssh in my ubuntu.How can I learn what's my hostname so the others can login to my pc?
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Oct 28, 2009
I've very new to linux, so please excuse my ignorance. I am trying to setup a number of servers to authenticate against my Windows Server 2003 active directory. I have successfully done this with one computer (Dell Optiplex 755), but I can?t seem to get it to work with my servers (Dell PowerEdge R710). I am using Fedora 11. I have setup samba and pam and have successfully joined the network. Everything with winbind seems to be working properly and I can get all the user info, etc. When I log in with a local account, everything is fine. If I try to log in with an account from my domain through SSH, I see the message Code:/usr/bin/xauth: creating new authority file /home/apkelley/.XauthorityAfter that, nothing happens and it is as if I haven?t connected to anything. If I try to log into the actual server using the graphical interface, it starts logging me in, shows a blank screen for about a second, and then returns to the login screen as if nothing has happened.I would greatly appreciate any suggestions for how I might fix this problem or how to find out more information about the error.Here are my smb.conf and system-auth files:
/etc/samba/smb.conf
Code:
[global]
[code]....
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Oct 6, 2010
ok so when i sudo apt-get update i get a bunch of crap that says no address associated with hostname
ive googled this and changed my /etc/hosts to all sorts of things and no luck apache wont even work now either. this server is for a few websites the company i work for hosts. currently i swaped it over to another windows based comp but we want it on ubuntu.
ive heard this is dns related? and that a FQDN is needed? if so im not sure how to re write my /hosts file but as of not it looks like this:
Code:
127.0.0.1localhost
63.119.120.135speed
# The following lines are desirable for IPv6 capable hosts
::1 localhost ip6-localhost ip6-loopback
[Code].....
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Apr 13, 2010
Right now my setup is as follows: I have an Asus Eeepc 900 running Netbook Remix named eeepc, and a media centre running 64-bit Ubuntu named media.When I try to ping or ssh into one machine from the other, for exampleCode:$ ping mediaI get an "unknown host name" error. However, pinging the device's IP address works. How do I get the computers to recognize each other's host names? Did I miss something in the setup?
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Jun 9, 2009
i am using openssh 5.2-p1, i want to restrict user "admin" to login to the server from a specific IP address, for this purpose i have tried the following blocks in sshd_config file.Following is the part of the sshd_config file which i have modified
#The following commands will only allow specific IP to login to ssh.
#AllowUsers admin user1 user2
#AllowGroups
# override default of no subsystems.Subsystem sftp internal-sftp
Match Group sftpgroup
ChrootDirectory /home
AllowTCPForwarding no[code].....
i want to restrict admin user to login to the server only from 172.16.100.221 IP which can be done by using AllowUser line, but i dont want to use AllowUser line,
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Jan 12, 2010
New CentOS 5.4 system working fine. Sys admins came in and copied the hosts file from one of the servers down to my desktop and ever sincethen machine has been slow (progs take 10-20seconds to load). RunningGnome. Luckily I saved the old hosts file and copied it back and all is now well. But I'd like to understand why, particularly as I will need to change myhostname in the future.
As configured:
/etc/hosts (yes my hostname is "dummyName" that I will need to change later)
127.0.0.1 dummyName localhost.localdomain localhost
[code]....
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Dec 14, 2010
I am looking for a way via script to change a systems hostname and IP address!
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Apr 30, 2010
I can reach other hosts by means of their global addresses by either the IP address or hostname (that has the global address). What I want to (also) do is have a hostname that references the IPv6 link local IP address (an AAAA record in DNS, or just the fe80::<whatever> address in /etc/hosts) and use that host name in commands to access that host. The problem is, an interface ID is needed when making such a reference.
It sure looks like the programs just pass the host name string on to the resolver library, which does not understand the significance of the '%' even though it could find and see that the name preceding the '%' is consistent with that being an IPv6 link local address (e.g. the logic could have been "split at first % and see if preceeding name is found as a link local address and accept that if so, or ignore the split otherwise" ... but it isn't). Is there a different syntax for this ... or was it overlooked in the design of programming around IPv6?I want to be able to address a host by its link local address, while still using a mnemonic instead of having to type the IPv6 address.
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Sep 17, 2011
When I login I always do:
ssh myuser@111.111.111.111
Is it possible to do something like:
ssh myuser@server1
I would like to use a name, not an IP address, is it possible?
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Mar 12, 2010
After logging onto a linux machine via SSH, I would like to be able to retrieve the name of the computer from which the connection was made. Ideally I am looking for some command like hostname or uname but that would retrieve the name of the client instead of the host.
This information must be accessible somewhere, since when I log on I get a message that contains the clinent name from the last login:
Last login: Thu Mar 11 18:42:01 2010 from my.address.com
The reason for wanting to do this is to be able to take different action in my .login file depending on which computer I am currently connecting from.
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Apr 6, 2010
properly set up ssh to only allow one IP address to login remotely
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Jul 14, 2011
This morning it would not boot; when I tried to wake up the system, it gave me a bunch of errors, the last ones being as follows: "mount error: could not resolve address for servername: No address associated with hostname mountall: mount /media/shares [1402] terminated with status 1" I am writing this in Win 7 since I lost ubuntu. I am using ubuntu 11.04.
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Nov 17, 2009
My OpenSUSE 11.2 is working fine as samba server, no problems, but I have a problem with KDM.My default init runlevel is set to 5 and every time I try to login at KDM (KDE4), the monitor goes black and returns to the login screen.If I hit Ctrl+Alt+F1 to go to console and start /usr/sbin/console-kit-daemon manually, press Ctrl+Alt+F7 to return to KDM login, everything is fine.What do I have to do to fix this issue?
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Jan 6, 2010
When I try and login at the main login in prompt after boot, it just returns me back to the prompt again.
If I login as root it's fine...OpenSuse: 11.3 Kde: Latest
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Aug 18, 2010
I have used Ubuntu since 7-4; I now have 10.4. However, in the last week I have been taken to the login screen three times. This could be potentially calamitous. Ctrl+Alt +Backspace have by default been disable since 9-4. There is no way I am pressing atl+Prtscr +K. I wonder if there is a new zap command in 10.4, and if so, how to disable it. I have never found the need to go back back to the login window. I am generally using the command line when doing this.
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Oct 10, 2010
I just finished installing 10.10 on my pc. the problem is that i cant login to the desktop i enter the password, the login sound plays and im stuck looking at the wallpaper. nothing else. i tried logging in safe mode and it worked. how can i get it to work normally?
pc specs:
Pentium 4 2.6 ghz
512mb ram
ati radeon 9600 graphics card
And i installed it using wubi.
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Oct 10, 2010
I recently powered up my netbook... Selected my user log in, entered my password, and after a couple seconds I briefly see what looks to be the console and am returned to the login splash screen... I can Ctrl+Alt+F2 to get to the console and log in... but that is as far as I can get. This is the case for Gnome, Remix, and Remix 2D.
I can sudo apt-get (update, upgrade, etc) as well. It is the right password because if I type in a wrong one it presents an authentication failure dialog box.
How can I fix my log in screen and get to my desktop? I am Currently running 10.04.... waiting to get 10.10
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Aug 4, 2011
yesterday i installed slim login manager on my computer (eee pc 1018p, ubuntu 11.04), and now it cannot get passed the ubuntu loading screen (with orange dots underneath) when booting. i tried booting into recovery mode and that didn't work either. i also left the computer trying to boot overnight and that didn't work.
basically, during this loading screen that should eventually bring you to the login screen, i can alt+tab to see the progress of the load. the progress is stuck on
Is there anything I can do from grub to remove slim?or, is there any way I can access my ubuntu partition and save all my files?
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Jan 27, 2010
I just installed Fedora 12 on a laptop. I changed the default shell on the root account to /bin/tcsh and changed the runlevel to 3 and then rebooted. Now I can't login into the root account: it returns me immediately to the login prompt and I can't see any error message (the screen is cleared).Why is this happening?Can I boot into some sort of safe mode so I can undo my changes to the /etc/inittab and /etc/passwd file?I tried booting with a Live CD with the intention of mounting the filesystem and making the changes, but the new filesystem is a LVM and it won't let me mount it (or I don't know how to mount a Logical Volume).
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Dec 24, 2010
I don't what happened but yesterday I was working normally and then I shutdown the computer, today when I opened ubuntu it took me to tyy1 login screen, I entered my username and password then it took me to the normal login screen with the login drums sound and it wrote on my account (logged in) so I clicked it and I entered my password again and then I got to my ubuntu so what went wrong and how to fix it also I noticed that a new terminal in system tools occurred called Kernel (I didn't add it)
I'm using ubuntu 10.10 on Dell inspiron 1520 with Nvidia 8600GT and 3GB RAM
Important: this happened after update to generic-headers-24
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Apr 15, 2011
I just bought this desktop from my friend and it runs win 7 and ubuntu 10.04. it worked very well the first two days until I changed the hostname of the system.
I did like: hostname myNewName
And everything worked fine. The problem now is when I start ubuntu and and reach username and password screen , I enter my password to login the screen becomes black and return me again to the screen where I put my password again. If I entered wrong password , the system message stating wrong password. On the other hand, when I try to run ubuntu from live-cd I can login easily and access my account.
My friend told me he removed Naultius package and reinstall it for some reason before he gave it to me. Note windows 7 is working properly.
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Jan 1, 2011
I have no idea what happened to my OS(ubuntu10.04).it doesn't give me any option to enter my login name & passwd.i just get a blank(default) login screen.last time when it worked,i was trying to install GTK+2.8,but due to my mistake i deleted glib using cmd (sudo apt-get purge glib)and after that i even tried to launch terminal but it failed to launch.also tried to play media files using vlc but it didn't work.so i tried to restart my os and finally got stuck in the problem.i have no idea what to do,please help.Is there any cmd to see what problem occurred or which package is missing.
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Mar 13, 2009
I am not able to login to server from console attached to server, every time i enter username & password but it again asks for username & password. But when i try to login to server from remote machine, login happens properly.
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Apr 20, 2010
I'm hoping someone can help me out.I made configurations changes to/etc/pam.d/system-auth and /etc/pam.d/login. When these files are configured the way they are, I can't login and/or I can't login in the GUI interface and a terminal. Contents of /etc/pam.d/login
Code:
#%PAM-1.0
#line added per security guide
[code]....
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Jun 18, 2010
been using 11.2 with KDE on a Sony laptop since 11.2 was released always ran perfect suddenly I can't login, I get to the login screen type in password it begins to load my desktop, then fails and dumps me back to the login screen I can login as root, all my stuff is there (under /home/me) I tried changing my password, no luck I went to run level 3 and there I can login just fine seems to be something with my KDE profile
any ideas where I might find some error messages telling me what's going on?
this seemed to happen when I was running "blender" and making the machine do some heavy number crunching, it actually locked up.
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Mar 15, 2010
System was fine with :Ubuntu 9.04 (had also installed kde )then....I wanted to try some change to gdm so i downloaded gdm while building it , it asked "PAM" libraries to be installed so i installed PAM ... but ignored the instruction to reinstall SHADOW (library i guess..),Now :on booting system i get login menu but i am not able to login , it says some critical error occured
1) install new copy of UBUNTU and remove old
ps :1) i can log into system through live cd
2) i can use recovery mode boot and log into terminal as root(startx is not working from this terminal..
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Feb 15, 2010
My computer was working this morning and both hard drives were working fine, then all of a sudden for about two hours I was stuck with this "problem", then after fumbling and moving and stablizing things, then Windows works? See below for details. I've finally reinstalled both hard drives, but the one with the Linux partition doesn't work: it says nothing is discovered on the disk. I can't login at the LUKS login after grub starts, therefore I can't get into Linux, but Windows works?! I used to be able to go directly into Grub when the computer starts, I forgot how to do that but it doesn't matter. If you need details I'd be glad to provide them. I just wondered why Linux doesn't work, but Windows does. I have Linux & Windows on two different separate hard drives
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Jun 3, 2011
i am having a boot problem with opensuse.i installed a theme named suse-elegant under personal settings(configure desktop)-system administration-login screen.
i had also added vbox users(i ticked vboxusers) under yast-security and users-user and group management-edit-details to make virtual box work.
i want to check that installed theme so i restarted my laptop.after the restart opensuse taking too long time to boot
note:the login theme also not working.
after the boot i restored defaults in login screen themes.it is also not working.
i don't know which cause this problem(vboxusers or login theme).i am also seeing a root user has been added in my login area.i tried opensuse failsafe also.
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Jun 23, 2011
when I get into the login page, I can only see the background and the login box in the middle of the page just turns whole white and keeps flashing. no response for any clicks. I was force to ctrl+alt+F1 to switch to init 1 to do my work. But I still want to use my graphical desktop either KDE or Gnome is ok. I am using gnome.
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