sshd - OpenSSH SSH daemon

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1answer
19 views

SOCKS proxy to SSH server behind HTTP proxy

I set up a SOCKS proxy at port 9090 to computer B elsewhere: ssh -D localhost:9090 user@B and configured it in my local Google Chrome browser. However, computer B is behind an HTTP proxy, so HTTP ...
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0answers
45 views

Ubuntu freezes sporadically showing very high disk i/o (around 100 to 500 MB/s)

I have an year old HP Pavilion laptop that came with Ubuntu preinstalled. Currently it has Ubuntu 14.10 64 bit with Kernel 3.16.0-30-generic. It was working very well until recently when I started ...
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2answers
31 views

Ubuntu Server installation on SSHD [closed]

Is it a good procedure to install Ubuntu Server 14.10 on an SSHD (8 GB SSD + 2 TB HDD)? Or perhaps it is better to install the OS on an SSD and mount an HDD for data storage?
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15 views

Strange entry in open file list on Ubuntu server

On my Ubuntu server I occasionally run the following command to view any open files that are TCP connections from my server: lsof -uroot | grep 104.236.XX.XXX The last time I ran it, I saw this as ...
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1answer
118 views

SSH connection refused on fresh started Ubuntu 14.04. - Connection possible after restart of ssh until reboot

I'm a newbie to linux and ran into a problem with my new media machine in the living room. I want to control it over VNC from time to time and therefore installed openssh-server. From the beginning I ...
2
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1answer
50 views

Why does ssh(d) seems to use OpenSSL heartbleed version?

It is commonly known that the heartbleed bug exists in the OpenSSL versions 1.0.1 through 1.0.1f (inclusive). So why are ssh and sshd compiled with OpenSSL 1.0.1, where the bug exists (12.04 -> ...
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143 views

SSH Tunnel can't connect through existing tunnel — chanel3: open failed: administratively prohibited

I am following this tutorial and I have gotten past the part where I create a tunnel from my local computer (Host B) to a remote computer (Host A) with ssh -L 19922:HostA:22 HostA however, when I ...
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0answers
49 views

problem editing sshd_config

We currently have a vulnerability in SSH (Ubuntu Server 10.04) that requires us to remove MD5 and RC4 from SSH, we did it correctly in 4 servers, but when we edit it on one server in particular and ...
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2answers
94 views

Cannot SSH into Ubuntu14.04 Server Remotely

So I am able to SSH onto the server when connected to the same network, but I need to enable remote connection. When I enter ssh -v user@serverIP, I get the output: OpenSSH_5.6p1, OpenSSL 0.9.8y 5 ...
2
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1answer
114 views

ssh connections to Ubuntu are intermittent

I'm trying to use ssh to connect from a Mac to Ubuntu 12.04. I get "Connection reset by peer." Try again and I get "port 22: Connection refused." Keep trying and I get password prompt. Enter password ...
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0answers
44 views

How to enforce LDAP group membership with libpam_ldap for SSHD

I am running 14.04 servers that I have install the ldap authentication package ldap-auth-client on and configured to connect to our LDAP servers. I have the authentication part working as well as the ...
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1answer
33 views

Setup openssh to start when the computer boots

I have a headless server and I was wondering if it is possible to start openssh without logging in. It would start without the need for a password, so I wouldn't have to plug in a monitor every time I ...
2
votes
1answer
517 views

Fail2Ban Regex SSH Will not Match Auth.Log - Searched Everywhere for a Solution

Im trying to get Fail2Ban to work with the SSHD Config provided. When i run fail2ban-regex /var/log/auth.log /etc/fail2ban/filter.d/sshd.conf The Output is as follows ...
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0answers
40 views

making a custom last login line

I've been customizing my MOTD recently, and wanted to add a newline after the lastlogin line. However, I don't think this can be easily done since the lastlogin is printed by sshd. And according to ...
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0answers
37 views

Restrict Direct User Login with SSH but Allow SSH Access from Single User

I have a user (a) whose direct login must be restricted except for when user is ssh'd from a particular user (b). For all other users direct login must be restricted. Is there any way to accomplish ...
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0answers
11 views

Can I dualboot Win8 and Ubuntu 14.04 on a SSHD? [duplicate]

I don't know much about how the SSHD works so I am nervous to do the dualboot. Is there any way I could get some help with the process?
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54 views

SSHD Won't Start

On a fresh install of 14.04.1, openssh-server is supposedly installed, yet SSHD isn't up. ps -ef|grep sshd gives nothing. /etc/init.d/sshd start runs quietly, yet the daemon doesn't appear and port ...
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2answers
953 views

sshd daemon not running ubuntu 12.04

The sshd daemon is not running on my machine (Ubuntu 12.04). I have repeatedly re-installed the openssh server and rebooted. I get no output to this command: ps -A | grep sshd Any help would be ...
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1answer
52 views

sshd and openssh server installation

I'm new to Ubuntu. While installing hadoop I get port 22:conection refused. Then I found out that sshd and openssh server are missing. How to manually install these two? can I get a step wise answer?
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1answer
33 views

What to do so that issue.net shows readable banner characters to chinese russian french ssh users

I set up my ssh server and added custom issue.net config. when loggin, it shows \320\237\320\264\321.... for characters other than ascii-7 Is it a client side issue or do I manage this at server ...
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0answers
43 views

sshd_config file is being overwritten on reboot

I need an AWS server to accept password authentication and whenever I remove the hash and set PasswordAuthentication yes After reboot or create image and launch a new instance, the # is added back ...
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4answers
535 views

Cannot SSH from outside LAN despite port forwarding seems fine

Running Ubuntu 12.04, I've set up the OpenSSH server. I can connect from within LAN, but not from outside. I am using the same sshd_config file as on my other Ubuntu 12.04 machines (that sit in a ...
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0answers
150 views

Ubuntu 12.04 - SSH hang at reading configuration

Hi fellow Ubuntu users! I currently have a problem when connecting to remote computers at work. Here is the log : OpenSSH_5.9p1 Debian-5ubuntu1.4, OpenSSL 1.0.1 14 Mar 2012 debug1: Reading ...
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1answer
135 views

Make sure that sshd will automatically start after reboot

I am connected to a computer over ssh. I have to reboot it remotely, while making sure that I will be able to reconnect to it over ssh just after reboot. I install 'bum' and marked sshd to be ...
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81 views

Ubuntu 13.10 allows connections from LAN but not from outside LAN

SSH ports configured to all 22 and another one. I can connect from another Linux/Windows workstations on my home LAN no problem. Same thing for nomachines nx server. Teamviewer connects with no ...
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107 views

How do you set the ssh default directory?

I have installed the ssh server package and have tried to login to my server from a client machine which is windows system. When I connected to the server using sftp, the server copied to ...
2
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2answers
63 views

Ubuntu on SSHD Drive with Windows 7 VM

I'm tottaly new to Ubuntu. Only played with it in the last few days while I waited for the new drive to come (LiveUSB persistent) I'm really impressed with it (and sick of Windows' sluggishness) and ...
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0answers
152 views

Upgraded ubuntu from 13 to 14.03; x11 through ssh is not working

how to enable x11 forwarding in ssh config or sshd config with respect to Ubuntu 14.03 Following is the error: PuTTY X11 proxy: MIT-MAGIC-COOKIE-1 data did not ...
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3answers
28k views

What does 'without password' mean in sshd_config file?

I just installed Ubuntu 14.04 on my server and I was setting up all my config files when I came across this in my sshd_config file: # Authentication: LoginGraceTime 120 PermitRootLogin ...
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0answers
176 views

Why does ps -ef list 19 occurrences of sshd?

I have four VPSs with two vendors. Whereas the two VPSs of the first vendor that I have been with for a number of years list between 2 and 4 sshd, when I do a ps -ef, both VPSs of the second, new ...
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1answer
86 views

sshd activation on ubuntu system

I want to connect my work Desktop computer remotely from home. I have read that ssh is used to connect to remote/server machine. When I was reading I came to know that to connect to a remote ...
0
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1answer
187 views

Configure Apache for home network

I'm on U13.10 and have installed LAMP per the Tux Tweaks instructions (see their website -- apparently I'm not yet allowed to post the actual link). Then I followed Tux Tweaks instructions on ...
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1answer
295 views

Change expired password via ssh

I have added some new users and set default passwords. Using chage -d 0, I have expired them, hoping that they will be prompted to change their passwords the first time they login. Unfortunately, ...
2
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1answer
56 views

Connecting remotely from Ubuntu to another linux

I want to connect remotely from Ubuntu to Suse. Two different systems in two different locations. I know how to use ssh to connect remotely to a machine in the same network. But, I do not know how to ...
0
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2answers
76 views

SSH log login attemtp details

I my office we are using Ubuntu Server 12.04. I have installed SSH server in it for clients to access through Putty. Now I need to track the users login details like IP address, hostname and date of ...
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2answers
1k views

ssh server does not start on lubuntu live image

I installed the lubuntu 13.10 32bit iso image with usb-creator-gtk on a USB stick and assigned 2GB of persistent storage to it. That's for a thin client, which does not have any storage of itself at ...
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2answers
5k views

sshd won't stop/start properly

I am running ubuntu 13.10 (fresh install). I have installed openssh-server. During the process of trying to troubleshoot a problem with logging in via ssh from another linux system (also running ...
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1answer
2k views

How to remove legal notice from MOTD / Banner for non-root users

Problem: The following text is shown for all non-root users when logging in via SSH: The programs included with the Ubuntu system are free software; the exact distribution terms for each ...
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1answer
182 views

Why is ssh X-Forwarding of browser not working for internal IP addresses?

I want to access my private Ubuntu server at home during lunch break at and from work. The problem was, that at work, the SSH port is blocked by the firewall (default setting). So I changed the ...
2
votes
1answer
1k views

How do I check that a configuration file has been read?

It seems that modifications to my /etc/ssh/sshd_config file are not picked up by the SSH daemon. For test purposes, I included a DenyUsers *, did service ssh restart, and even rebooted the whole ...
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2answers
9k views

How do I force SSH to only allow uses with a key to log in?

I tried following the instructions here: http://lani78.wordpress.com/2008/08/08/generate-a-ssh-key-and-disable-password-authentication-on-ubuntu-server/ to only allow users with a public key on the ...
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2answers
1k views

How to edit sshd_config remotely? A problem of incorrect permissions?

I am trying to remotely edit sshd_config file using WinSCP and putty. Unfortunately, I keep getting the following error- “Cannot overwrite remote file Press delete to delete the file and create a new ...
0
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1answer
246 views

Does Ubuntu (server) go to sleep? Why does it take long to login? [duplicate]

I have several Ubuntu Server (12.04 LTS) virtual machines. Some are idle and some are processing background tasks, etc. However, when I try to login (SSH) to the servers, it often takes several ...
2
votes
1answer
144 views

2 sshd configurations 1 for internal and 1 external

How can I setup open ssh server so that if i'm ssh'ng from a local lan I want it to be via port 22 but if I'm coming externally its via port 12345 for example. Then for external access I'd like some ...
2
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2answers
13k views

SSH public key authentication doesn't work

I'm having trouble setting up public key authentication for an SSH server on Ubuntu Server 12.04 (A) for authentication from an Ubuntu Server 13.04 (B). What I'm doing now (I'm trying to follow the ...
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4answers
2k views

SSH connections dropping after two or so lines

I'm actually having a bit of an odd problem. I'm running Ubuntu Server 12.04, with a minimal set of packages: The base system, sshd, and an IRC server. I must allow someone else to configure the ...
2
votes
1answer
495 views

Unable to ssh to machine. Outbound ssh works. sshd is running on port 22

I have an Ubuntu 12.10 machine on my LAN to which all ssh connections time out. Let's call it 'F' (for fail!) Two other machines 'A' and 'B' on the same LAN can connect to each other. I can also ssh ...
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3answers
7k views

tail: inotify cannot be used, reverting to polling: Too many open files

When I try to tail -f catalina.out, I get the error: tail: inotify cannot be used, reverting to polling: Too many open files I tried the answer in this post: Too many open files - how to find the ...
10
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1answer
15k views

Unable to start sshd

I'm new to Ubuntu and trying to start sshd but having a lot of problems. I've tried uninstalling and reinstalling ssh by running sudo apt-get remove openssh-client openssh-server and sudo apt-get ...
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2answers
5k views

How to configure pam.d files for ldap over ssh on 12.04?

I'm trying to set up an Ubuntu 12.04 server so that users with a valid account in a remote ldap server can login to the ubuntu server. I've followed this guide closely: ...