Server :: No Supported Authentication Methods Available When Using A Private Key For Login?

Mar 1, 2011

I keep getting the above message when trying to login to my server using a private key,is there something I am missing from the configs here?Quote:

#$OpenBSD: sshd_config,v 1.73 2005/12/06 22:38:28 reyk Exp $
# This is the sshd server system-wide configuration file. See
# sshd_config(5) for more information.


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Server :: Ssh A Remote Box From Putty Error "No Supported Authentication Methods Available"

Jun 8, 2011

I am trying to ssh a remote box from putty but I am getting following error. "No supported authentication methods available" I don't have access to the server so I must have make my ssh client compatible to ssh server. This is the trace from another client

[SSH] Protocol Version 2 (OpenSSH_5.3p1 Debian-3ubuntu6)
[SSH] Cipher: aes128-ctr
[SSH] FAIL: Unable to authenticate

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Ubuntu Servers :: Authentication Methods Over Network Shares And SFTP

Feb 15, 2010

I run some IT systems for my schools Engineering student organization.

We are upgrading our systems and I just purchased a new server system which I am configuring.

I am using Ubuntu 10.04 Lucid Lynx and the new likewise-open packages.

The points I bring up following this sentence are to fulfill this final goal : Get SFTP, SSH, and Network Share's over our private network all using the schools Active Directory for auth and it's groups to derive privs.

So... Here's what i've done and what i've tried to do.

1 ) I set up likewise-open and got it to join the domain. When I do this I can ssh to localhost as 'schoolnetworkADname'. So that part works (hurray). To get a network share to use these same auth methods I have tried installing likewise-open-server. Everything launches find and the daemons run, but when I go into computer management on a windows server to set up the actual shares, I get permission denied. The account it is giving permission denied to is the same AD account that join likewise-open to the network, so... what is going on.

2 ) Samba, fail. I can't seem to get samba to run on this machine at all, which is strange because even my Samba expert was puzzled. It just won't let Samba join the domain properly, and due to this, I want to keep on the newer likewise package... unless I have to switch to this.

How I can get the lame likewise-open-server to work?

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Ubuntu Servers :: Get "secure Authentication" Supported By Mail Server?

Sep 22, 2010

Using Thunderbird as mail client, I notice an option in the mail account's Server Settings which reads "Use secure authentication" which allow secured transition of your username and password.I also have my own mail server. Hence, how do I enable this functionality for my mail server (I'm using Postfix & Dovecot) ?

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General :: Github Private/public SSH Key Authentication?

Jan 28, 2011

I created a private/public pair. I put the public on github.But I can never push to github.Every time, it says public denied. In order to push, I need to do this:eval ssh-agentssh-add ~/.ssh/github_dsaThis is driving me nuts that I have to do this every time. So, I just put it in my ~/.bashrc file. I feel like that's a hack. Is this normal?

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General :: Does RSA Authentication Work After Deleting Private Key?

Feb 14, 2011

I was testing my authorized_hosts setup, so deleted my local private key. I then successfully ssh'd into my remote server using RSA authentication. I was expecting to get a permission denied, seeing as there is no longer a private key to guarantee I'm me. Guessing I'm misunderstanding something fundamental. Anyone know what's going on? It doesn't look like ssh-add is holding my private key:jake@clyde:~$ sudo pkill -9 ssh-agent

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Networking :: SSH Setup - Public / Private Key Authentication?

May 7, 2010

After years with Linux and using ssh on a daily basis I have to admit I've never setup public/private key authentication and I've never run passwordless logon to ssh. It's not that I've never tried, I have - I've just never got it working. That to me is an almost alien concept as I am a tinkerer at heart and rarely stop until something is working the way I'd like it to. I get the principle of what's going on but I've always had a mental block about it.

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Ubuntu :: Disable Password-Authentication Using Public / Private Key With Ssh

Mar 27, 2010

So after tinkering for a while, I was able to configure ssh for private/public key authentication and disabled Password-Authentication. In the past I had some issues with people brute force trying passwords/usernames so I want to avoid this, but I need some form of secure FTP that now doesn't work due to the aforementioned setting.

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Debian Programming :: Emacs And ECB Missing Python Methods In Methods Window

May 12, 2014

I work with python and I use emacs as my IDE tool. I have been running Debian Squeeze (6.0.9) for some time now with emacs 23.2.1 and ecb 2.32. I am able to access my python methods in the ecb-methods window with no problems. However I recently upgraded my desktop to Debian Wheezy (7.5) running emacs 23.4.1 and ecb 2.40 but I have lost access to the methods in the ecb-methods window. The window is just empty while the others (directories, sources and history) are all populated. I have a second laptop which I decided to upgrade to Debian Jessie, however Jessie recommends emacs 23.4.1 which is running with ecb 2.40 also. The result is the same as on Wheezy.

I have used the ecb menus and googled for a solution or even just a mention that such a problem exists but have come up with nothing. Either I have a unique situation here or am doing something really dumb.

I would like to upgrade to Wheezy or Jessie but I need access to methods in the ecb methods window. How to keep my upgrade and see the methods in the methods window of the ecb system ....

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Server :: OpenLDAP Authentication - Unable To Login?

Dec 22, 2010

I have configured a ldap server and trying to login to same ldap server using a ldap user. However, I am not able to login and getting the following in /var/log/secure:

Dec 22 20:06:29 redhat5 sshd[7241]: Invalid user ldapu1 from
Dec 22 20:06:31 redhat5 sshd[7242]: input_userauth_request: invalid user ldapu1
Dec 22 20:06:37 redhat5 sshd[7241]: pam_unix(sshd:auth): check pass; user unknown
Dec 22 20:06:37 redhat5 sshd[7241]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=
Dec 22 20:06:37 redhat5 sshd[7241]: pam_succeed_if(sshd:auth): error retrieving information about user ldapu1
Dec 22 20:06:39 redhat5 sshd[7241]: Failed password for invalid user ldapu1 from port 4461 ssh2

I can see that if I use the ldapsearch with same filter, I am not able to locate the user "ldapu1". However, if I change the filter to (|(objectClass=posixAccount)(uid=ldapu1))", it shows me the ldap user:
[root@redhat5 ~]# ldapsearch -x -b "ou=Users,dc=homeldap,dc=com" -D "cn=Manager,dc=homeldap,dc=com" -W -H "ldap://" "(|(objectClass=posixAccount)(uid=ldapu1))"
Enter LDAP Password:
# extended LDIF
# LDAPv3
# base <ou=Users,dc=homeldap,dc=com> with scope subtree
# filter: (|(objectClass=posixAccount)(uid=ldapu1))
# requesting: ALL

# ldapu1, Users,
dn: cn=ldapu1,ou=Users,dc=homeldap,dc=com
objectClass: inetOrgPerson
cn: ldapu1
sn: ldapu1
uid: ldapu1
userPassword:: bGRhcHV1MQ==

# search result
search: 2
result: 0 Success
# numResponses: 2
# numEntries: 1

Where I have made a mistake?
- Is it necessary to create an account on Linux box and then migrate it to ldap?
- I was just wondering if I can somehow change the default filter from AND to OR at the time of login. I used "pam_filter |objectClass=inetOrgPerson" in ldap.conf.
However, it didn't change the filter.

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Server :: Slow Authentication In Ftp Login / Make It Fast?

Apr 13, 2010

When I'm trying to login to the ftp server with appropriate username and password its taking almost 10-15 seconds to authenticate making the login process slow, even when I'm uploading files its again hanging for 10-15 seconds before completing the job successfully.
Its not like its happening every time, but 7 times out of 10.
Any idea how can make the authentication fast?

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Ubuntu :: Login Prompt Sound On Startup - Impossible To Disable With Usual Methods

Dec 17, 2010

I've recently installed Ubuntu 10.10 on my laptop -- clean HD, no other partitions.

(It's odd, though; when I go to System -> About Ubuntu, it tells me I have version 11.04 Natty Narwhal.)

Anyhow, when switching on my laptop, a short drumming sound effect can be heard when the login prompt appears on the GUI.

There are numerous threads on the Internet explaining various methods to disable this. I have done everything as instructed in these threads to no avail, including:

1) System -> Administration -> Login Screen -> Unlock -> [enter password] -> make sure "Play login sound" is unchecked (it was already) -> Close

2) System -> Preferences -> Startup Applications -> uncheck "Gnome Login Sound" -> Close

3) System -> Preferences -> Sound -> Sound Effects -> Alert volume -> check "Mute" -> Sound theme -> No sounds -> Close

It's foolproof, really. Nevertheless, when restarting the computer, the drum sound is heard again at the login prompt.

I realize I can simply find and delete the sound files, but isn't that a bit harsh? Surely there must be a more elegant way to silence the login.

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Debian Configuration :: Error: None Of The Authentication Protocols Specified Are Supported Kuser(3136)

Dec 18, 2010

I installed today (fresh install) the latest version of squeeze, and after installing kuser, I attempted to run the program (of course as root), so that I can start managing accounts with my preferred application. However, this is what I got when I attempted to run the program:

# kuser
QGtkStyle was unable to detect the current GTK+ theme.
Qt: Session management error: None of the authentication protocols specified are supported
kuser(3136): Session bus not found
KCrash: Application 'kuser' crashing...
Warning: connect() failed: : No such file or directory
KCrash cannot reach kdeinit, launching directly.


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Server :: Design An Inexpensive Large Scale DNS Server But Fail To Find Any Metrics Or Methods To Base Scalabilty?

Nov 28, 2010

I'm trying to design an inexpensive large scale DNS server but fail to find any metrics or methods to base scalabilty.Can anyone offer information on building a stable dedicated DNS server? That might be able to scale well.

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Debian :: Ecryptfs-setup-private Enter Login Passphrase: And Won't Accept

Sep 17, 2010

I just installed ecryptfs (debian Lenny). However, when I try to run it (as normal user), I get the following
$ ecryptfs-setup-private Enter your login passphrase: And it wont accept any password (naturally since this is the first time I'm running it).

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Ubuntu Security :: Private Folder For Private Files?

Aug 18, 2010

i noticed that all files can be seen by another computer if the drive is accessed

can I stop this? can i set a private folder?

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Server :: Su: Authentication Service Cannot Retrieve Authentication Info?

Mar 12, 2010

I have a problem with ldap client authentication in ubuntu. I am using rhel5 as openldap server and I configured ubuntu as client, when I am trying to login the following message is coming."su: Authentication service cannot retrieve authentication info. Sorry"
But when I do search through "ldapsearch" command output is coming without any errors, Can anybody explain what would be problem.

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Software :: Session Management Error "None Of The Authentication Protocols Specified Are Supported "

Jan 26, 2010

i met an tough problem and now still cannot solved it. it is a problem about QT,below is the information. Session management error: None of the authentication protocols specified are supported

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Server :: Squid Proxy Authentication And Without Authentication

May 27, 2011

I have a network and am using squid proxy with authentication I want to create another subnet without authentication.

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Fedora :: Gedit Root Error "Failed To Connect To The Session Manager: None Of The Authentication Protocols Specified Are Supported"

Jan 1, 2011

Whenever I try to open a file using gedit as a super user in fedora 14, i get the following error (gedit:2975): EggSMClient-WARNING **: Failed to connect to the session manager: None of the authentication protocols specified are supported ** GLib-GIO:ERROR:gdbusconnection.c:2270:initable_init: assertion failed: (connection->initialization_error == NULL) Aborted (core dumped) I've googled the problem, but nowhere comprehensive solution is said to be found.

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OpenSUSE Install :: Automatic Login, But It Says Is Not Supported In SLE10?

Jun 20, 2010

I'm creating my custom distro in SuseStudio, but I want to automatic login, but it says is is not supported in SLE10. But it has a scripts tab..Is it possible to create a script that creates automatic login

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Server :: Created The Csr And Copied The Key To The /etc/ssl/private?

Jun 8, 2011

I have been using a self signed certificate on my ubuntu server 10.4, using Apache.Today I bought a certificate from optimumssl. I created the csr and copied the key to the /etc/ssl/private as before. I then copied the newly supplied certificate to /etc/ssl/certs as before and changed my /etc/apache2/sites-enabled/domainname to pint to the correct certificate name.I now can't start Apache as I have this error below[error] SSL Library Error: 185073780 error:0B080074:x509 certificate routines:X509_check_private_key:key values mismatch

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Fedora :: Private BInd DNS Server Not Accessible To Other?

Sep 22, 2009

i am working on fedora 10 and configured dns on my college lan which already has it's dns at .So i configured my private dns server at which is my ip too.And the domain name is the host name of my system for example dns port 53 is shown when i do nmap localhost but but doesnt show when i do nmap .Also when tested my server on other computers on my lan with there primary dns as and secondary as they cant access my site at my system with the name . nmap localhost


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Ubuntu Security :: Create Private GPG Key Server?

Jan 25, 2011

One of my clients is considering implementing GPG or a similar technology to encrypt internal emails. (They have a different system in place already for external mail.) I've done some reading on the subject but can't seem to find any information about how one might set up a keyserver. All the discussions I've seen so far talk about uploading the public keys to a server like keyserverDoes anyone know what software packages might be used to set up our own private keyserver on a Linux machine?

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Server :: Configuring Sendmail For A Private Network?

Jul 6, 2009

My goal is to have users(Unix Users like root on host1) use evolution /sendmail to send and receive emails between users( Unix users either from host1 or any other host on n a private network. The network is a private network with a few servers without any connection to Internet and no DNS. They resolve one another by /etc/hosts. with smtp configured am able to send and receive emails on one machine(host1) from unix user abc on host1 to user xyz on host1 and vice versa. the commad i used to test is host1@abc #echo "this is a test mail" |mailx zyx@host1 But when i tried sending from user abc on host1 to user xyz on host2 its giving error for DNS unable to resolve hostname.

the commad i used to test is host1@abc# echo "this is a test mail" |mailx zyx@host2 create a simple sendmail config so that i can send mails between multiple hosts using unix usernames within one network. I can use one of the server as mail server and rest as clients. I dont want to configure any other softwares for pop or imap access. I want to keep it simple and use evolution on the clients to send emails between one another on the private network without internet.

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CentOS 5 Server :: Transfer Files To Private IP?

Nov 18, 2010

I have a server with Private IP and without any public IP. I want to transfer files to the private IP. I can log in to the Private IP through SSH. So basically I installed vsftpd in the server with Public Ip and tried to ftp the public ip from the private ip but it is not working.

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Ubuntu Networking :: Terminal Server Client To Private IP?

Jan 26, 2011

I'm currently successfully using the Terminal Server Client to connect to an SBS 2003 server at a remote location. I've been trying to figure out if it's possible to connect to any of the XP machines on the LAN behind it. I currently have to use RWW in IE on a VirtualBox XP machine to do that, and I'd love to be able to get rid of VirtualBox completely.

The server has 2 NICs, one connected to the internet, and the other connected to the LAN. There is only one public IP. The computer I'd most like to connect to has a static, private IP. Anybody done anything like this or have any thoughts on how to get it to work?

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Ubuntu Networking :: Public IP Vs Private IP For DHCP Server?

Feb 12, 2011

My Ubuntu server is now providing routing duties to my network, but I'm having trouble opening ports to my network. I have a DynDNS account, so the IP is always current, but I can't ping even my IP directly.

My network map looks like

Internet > SpeedTouch DSL modem with DHCP > eth1 > Ubuntu > eth0 > LAN

With the modem providing a 192.168.1.xx IP to eth1, I can browse fine. The default gateway is my modem. I switched to the public IP of the modem so I could use iptables for firewall duties, but I was locked out of the internet. No gateway was set when I did that, but eth1 received the public IP of my modem.

How can I use the public IP assigned to eth1?

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Networking :: Server Can't Ping Other Boxes On Private Network

Jul 27, 2011

I run a server that is connected to several other boxes in a private network ( I have had no problems previously, but upon a reinstall of Debian squeeze I have no connectivity to the private network: a ping of other addresses on that network fail. Ping and connection to outside world is fine. This box is configured similarly to another on this private network which connects successfully. I have quadruple-checked all my basic information. I post my ifconfig below of the malfunctioning device, then the ifconfig for equivalent nic on a box connected succesfully to the private network.


1.Could it be a cable problem? (I don't see how since the cables have not been changed I do not believe since my reinstallation).

2. What about the difference in the last lines of eth1 below and eth2 of the successful box. Is it significant that the bad eth1 reads Memory:fc3a0000-fc3c0000

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Server :: Postfix Private IP For Mail Boxes And Limiting?

Jul 6, 2010

Im using postfix on my server and i need change a ip adresses for mail boxes.Example : using x.x.x.1 ip adres.and i need how it can use x.x.x.2 adress.How can i do that ?And i need count which mail how much mail sended .How can i count and limit ?

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