Ubuntu Servers :: Unable To Ssh Into Server
Feb 23, 2010
I'm having a problem connecting to my server with ssh.I'm running the latest Ubuntu 9.10 32-bit server, inside a virtual machine on a Mac (VMware Fusion 3, running on OS X 10.6.2 with 64-bit kernel).I've set up a network interface (eth2) to act as a host-only network between the virtual machine and the host.I can ssh into the server from my Mac when I type in its IP address ssh root@[IP address] BUT, I can not connect to the server.do I need to open a port with ufw? or configure something else in the ssh settings?
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Jan 6, 2010
I'm currently trying to use preseed to build an ubuntu server box over the network. I'm using the netboot.tar.gz from the karmic main mirror. By default it installs the standard kernel (linux-2.6.31-16-generic), and I want to use the server kernel (the metapackage linux-server which should install linux-image-2.6.31-16-server). I'm using a minimal build:
Code:
tasksel tasksel/first multiselect minimal As far as I can see all the other preseed settings are close to defaults. I've tried setting both of the following lines (separately and together) with no effect:
Code:
d-i base-installer/kernel/image string linux-server
d-i base-installer/kernel/override-image string linux-server
Once the machine is built, if I run:
[Code]...
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Dec 12, 2010
I am a total noob in the process of trying to build my own server. I installed Ubuntu 10.10 but when I did that I didn't have the computer hooked up with an ethernet or have any internet connection. During the installation process it was unable to set up DHCP, so I figured I would just do that later, somehow.
Anyways, I recently hooked up an ethernet cable from the server to another computer, which has internet.
I've been slowly working my way through the Server Documentation and am on the Networking chapter. It has given me the commands to install wireless-tools, ethtool, dhcp3 server and I've also tried to install gedit. Every time it gives me the error: E: Unable to locate package XXX
When I ran the sudo lshw -class network command I find that it recognizes both an ethernet interface as well as a wireless interface(my wireless adapter). BOTH of them say *-network DISABLED.
My goal is to enable both of those, but I am assuming I need to be able to locate the packages first. I installed the server edition using a USB pendrive. I still have the files on the pendrive, but I don't know how to make the server locate those files. I'm guessing it wants to access the installation files to locate the packages to install.
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Jan 23, 2011
I currently have to connect to my new samba fileserver using servernameusername instead of just username, if that makes sense(!) I need this to be simplified, as I've had it before on a previous machine, as one of the devices I connect with has a virtual keyboard without a backslash!
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Feb 15, 2011
I am trying to setup a mumble server on Ubuntu Server 10.10. I have downloaded/installed all of the necessary files and configured my router to open up the necessary port (64738 ). However users outside of my network are unable to connect to the server (get Timeout error). Also to add, I am fairly new to using linux/ubuntu.I made a post on reddit where you will find more information regarding my problem: [URL]
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Aug 7, 2011
I recently decided to convert my old NAS gox from Gentoo to Unbuntu Server. For reasons that I do not understand I cannot install 10.04 or 11.04 on it. I've downloaded both the i386 and the AMD64 ISO images to the same machine, burned the the image on the same DVDRW drive onto the same CDRW disc but when I try to install on the D945GCLF board, it consistently fails at the same step - Unable to install base system.
The ISO image all indicate a good MD5 sum and I've burned the ISO image at the slowest possible rate. I've even tried moving the image onto a USB drive and installing from it - same error. The D945GCLF has parallel and serial ports disabled; I'm using the SATA drive for the OS and installing from a USB CDROM drive
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May 10, 2010
You are running tftpd as an on demand server i.e. it is only fired up when it is needed. Services run by xinetd are always run on demand. Have you actually tested if tftp on another system can access your PC i.e.
Code:
tftp your_pc_ip_address
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Jan 18, 2011
I have setup a home based web server to host a photo blog for myself and my friends. I will be running wordpress and possibly a phpbb3 forum. I'd like to open this to discuss server administration, server setup, and server maintenance. However, I have a pretty good start on all of those but serving a domain name to my static ip. Here my static ip is 24.10.202.144. I registered a domain through [URL]... It appears that I have the domain working to forward to my ip. However, I am still getting this output file from apache.
[code]...
I have tested the domain name across a few different computers on different ips. It works appropriately. I just want to make sure I have it set correctly on the (apache) server side of things. Then I can get more into Zone Editing etc.
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Apr 12, 2010
I am trying to install Ubuntu server edition on an old HP XT963 that recently came into my possession. I mainly just wanted to use it as a home file server and print server. I have been running ubuntu desktop on my laptop for a little under a year, but this is my first go at the server edition.
While ubuntu was installing it said "network autoconfiguration failed," I hit continue, thinking I could figure out how to configure it later. After lots of googling I still haven't figured out what exactly is wrong.
Code:
auto lo
iface lo inet loopack
after googling around I made it look like:
[Code]...
I would like to provide more information such as ifconfig and any other commands but I'm not exactly sure how I would do that without being able to copy/paste. I guess I would have the command dump the output to a file, but I'm not familiar with the -options this being my first time CLI-only.
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Jul 27, 2010
I'm wondering how I can enable LDAP support for my Ubuntu 10.04 LTS server running Apache 2 and PHP 5.3.2? What I'm trying to do is allow users on my existing company's LDAP system to login to my Elgg site automatically (and possibly have their details filled automatically).
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Feb 10, 2011
I am running an Ubuntu Server on a VirtualBox VM running on my windows machine. So I've created a self-signed certificate using the following tutorial: [URL]
From this tutorial I'm left with 3 files:
server.key
server.csr
server.crt
Then I found this very similar tutorial that has an extra bit on installing the certificates in apache: [URL] So I followed it's instructions which boil down to this:
[Code]...
So I'm thinking this should work now. However in Chrome I get: SSL connection error Unable to make a secure connection to the server. This may be a problem with the server, or it may be requiring a client authentication certificate that you don't have. Error 107 (net::ERR_SSL_PROTOCOL_ERROR): SSL protocol error. IE8 gives me a typical "Internet Explorer cannot display the webpage" Note that [URL] fails while [URL] works fine, so it's definitely something in my ssl setup I'm thinking.
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Oct 22, 2010
After upgrading my server from 10.04 to 10.10 I keep getting the following php error, "PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php5/20090626+lfs/syck.so' - /usr/lib/php5/20090626+lfs/syck.so: cannot open shared object file: No such file or directory in Unknown on line 0"
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Feb 27, 2009
I use web server apache use php fastcgi (Centos 5.2, apache 2.2.9 , php 5.2.5 and fcgi-2.2.4 ). I receive error : "The server encountered an internal error or misconfiguration and was unable to complete your request. contact the server administrator, no-reply@zz.vn and inform them of the time the error occurred, and anything you might have done that may have caused the error. I view log :
[code]...
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May 10, 2010
i found this video, and i really want to do the same. *newbie needs to learn [URL]...my question is, what need to be installed and how?
is there any specific configuration to make it works?
and will it work if i want to connect from Ubuntu to Fedora ?
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Apr 1, 2011
I'm curious if anybody can shed some light for me in this department. We're in a large environment with a Windows DHCP Server. We have been tinkering with LTSP on Edubuntu as thin and fat clients. It works great, but right now we just have 1 server handling the lab, which works fine unless we want to expand, which may be very possible.
These are the instructions I received:
Login to your windows server and load the DHCP configuration screen
Create a DHCP reservation for the MAC address you obtained
Add the configuration options below to enable the machine to boot from the LTSP server
017 Root Path: /opt/ltsp/i386
066 Boot Server Host Name: <ip address>
067 Bootfile Name: ltsp/arch/pxelinux.0 # Specify CPU architecture in place of 'arch', for instance 'i386'
From: [url]
I'm curious, what if I want to have multiple Ubuntu servers on the network that I want to have bootable? For example, let's say I have 3 labs, and 3 servers. Server A to Lab A, Server B to Lab B, and Server C to Lab C. I want all C's computers to boot to C, and B to B, A to A, etc.
1 - How would I add multiple entries on the Windows DHCP Server to allow all 3 (A B C) servers to boot?
2 - How would I be able to isolate the clients so ONLY Lab A clients boot to Server A, etc?
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Aug 7, 2011
I own a rather large website/forum devoted to Scuba utilizing vBulletin. The problem is that its become INCREDIBLY slow as of late. I have three Ubuntu web servers under a single Ubuntu load balancer and they draw from a CentOS 5 DB server running MYSQL. Here are my concerns:
-I am thinking that they are all 32 bit rather than 64 bit.
-I am thinking that the problem is an IO issue.
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May 29, 2010
I have a Ubuntu Server machine that I can't get to 10.04. Sometime in the past I updated it to 9.04, but perhaps something went wrong. When I do a do-release-upgrade, it tells me there are no upgrades available. I tried a bunch of things but no luck, so I installed gnome to try the gui update manager on the console. When I start it, it first tells me that my distribution is no longer supported and that I should update. It gives me the button that says 9.04 is available, but after I click it I'm told that there are no new versions available.
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May 1, 2011
I am setting up dhcp server for my public library and need to divide clients into a number of pools on the same network. The different ranges will be for different filtering requirements via squid/dansguard proxy. I have inhouse clients: staff, adult patron, and child patron, that have different filtering requirements and wireless guests that I want to shorter lease times to handle the rapid turnover rate. Trying to understand the terse manual, you assign pools via allow/deny members of classes, but classes are assigned by matching on mac address or vendor ids. Unfortunately as a poor rural library we have a hodge-podge of hardware with no matchable pattern. So I can solve the inhouse clients by using fixed-address, and remove them from the dynamic pool. Now the dhcp server would be serving only the short term wireless guests from the pool.
A common problem at libraries, you always get a few that are compelled to misbehave and break the libraries TOS. In the past the librarians would kick the offenders out of the library only to have them link in from the step or parking lot. Since I have their mac address in their initial lease I would like to prevent them from reestablishing a connection when they are banned.
My thinking is this; the library's computers are static and not part of the pool, the wireless clients would be unknown-clients, so set the pool to allow only unknown-clients, and for the "bad-boys" add their hosts in a group directive would make them "known" and therefore unable to get a IP from the dhcp server.
group {
host banned1 { hardware ethernet 00:00:00:00:00:01; }
host banned2 { hardware ethernet 00:00:00:95:a6:c1; }
host banned3 { hardware ethernet 0c:f1:b6:fe:00:01; }
}
[Code]....
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May 4, 2011
I have just done a fresh install of server 11.04 32bit.I installed webmin. I can hit webmin , but it doesn't take my login. I tried with both my users but it refuses to log me in as if my username or password is wrong.
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Feb 2, 2010
Last weekend i've set up my first headless ubuntu home file server and torrent downloader with ubuntu 9.10.Very cool but CPU is way too fast for a home server: P4 HT 2.8Ghz, unfortunatly it has only 256Mb of ram, so no X server and no VNC (old HP office pc) At the moment memory usage is only 40Mb without X server. Besides SSH works just fine Few questions i can't seem to find answers to on google:What is a good CL network monitoring program?mething similar to htopUbuntu 9.10 has a lot, about 20-30, console-kit deamon instanses running after boot each using some memory that i can't spare.
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Nov 24, 2010
I want to install a DLNA server on my ubuntu home server. It will primarily be used for photo browsing on my PS3, but general media support would be nice. (I use Squeezebox server for music.) What are my options, and what are the main difference between them.
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Jan 7, 2011
I am merely trying to change the port for my ssh server.However it isn't changing.I edited my ssh_config file to:
Code:
# This is the ssh client system-wide configuration file. See
# ssh_config(5) for more information. This file provides defaults for[code]...
When i try to connect to my server via port 443 i get a connection refused error. However when i try to connect via port 22 it connects. Since that didn't work, i tried restarting the entire server.To restate, i changed the config file and restarted ssh then the computer, however the port didn't change.Ohh and yes my router is set to port forwarding on port 443, though it doesn't matter since I'm inside the network.
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May 22, 2011
Does anyone have some material about statistics using ubuntu / linux server, or a text which generally describes the ubuntu server?I need urgent, i'm writing specialization work about administration apache and ftp server on ubuntu 10:10 server, so I need something for the conclusion.
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Dec 7, 2010
I and setting up a home web server using Ubuntu 10.04 server (local only). I am currently using Webmin 1.53 to access it remotely all is going great very easy to use. Webmin - Check, ftps-fileZilla - Check, Apache -It Works BUT I cant seam to set up Apache as a named server using Bind DSN. Tried most of the help in the fourms and ..... I think my problems is in the master server selection, do i have to use [URL]... or can i just use myservername. I have tryed both with no luck. First time with the server addition.
[code]...
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Dec 8, 2010
In trying to help our office modernize its IT infrastructure, one of the key components is maintaing our server. We have around 50-60 people who need access to a local server primarily for secure general file storage. These employees are geographically dispersed. We currently use some(?) version of Windows Server which is maintained and updated by a IT company we keep on retainer. After doing some very basic research on Ubuntu Server, I would like to try and incorporate a pilot program utilizing the Ubuntu Server software.I was successful in installing Ubuntu Server on an unused PC that I put a clean hard drive in. I have been following the direction of the Official Ubuntu Server manual to assist in the server setup, and this has progressed my cause up to a point.
Can I run an Ubuntu Server alongside our current Windows server without bring everything to a screeching halt? Additionally, I am the only mac computer in an office filled with varying version of windows. I have begun to configure samba but need some direction from the community as to updating the workgroup so my mac can connect to the Ubuntu Server. What do I need to put in the workgroup part of the /etc/samba/smb.conf directory?I have no doubt there will be face palms by the community after reading this thread, but I am trying my best to teach myself the Ubuntu way.
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Mar 2, 2010
I've just made my old, dusty computer into an Ubuntu Server. So far, i have installed a well functioned LAMP server, to host my Website. I have also installed a FTP-Server (proftpd) and i was wondering if i could manage my FTP accounts in MySQL so i could make an account creation page for it? If yes, how?
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Jan 23, 2010
I want to install mod_scgi. I have install the libapache2-mod-scgi package and changed the httpd.conf. When I try to restart the apache2 server, I got a syntax error :
Code:
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Feb 20, 2010
I'm trying to run this command code...
how do I fix this? Although I'm working on Ubuntu 8.04.4 server 32 bit
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Apr 5, 2010
I always use Shorewall on my Ubuntu Servers and it works great, one things I have never been able to get right is the TOS.Let say for example I would like:
HTTP traffic (80, but all traffic get routed to 3128 [Squid]) to get highest priority
SMTP (25) second highest
POP (110) third highest
The rest forth
How would I get that right?
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Apr 29, 2010
I am trying to mount my usb printer in Ubuntu Server 9.10. I'm trying to do this so that the usb printer will be picked up by vmware server so the Windows XP guest I have on there will then be able to access the printer as if it were hooked up to it directly. I found a few posts online and this is what I've done so far. I found in a couple of posts that they said I should uncomment out the following lines in /etc/init.d/mountdevsubfs.sh. Well I found that the file didn't exsist. Someone posted up their copy of it so I copied that code into the mountdevsubfs.sh script. That code is the following:
Code:
#! /bin/sh
### BEGIN INIT INFO
# Provides: mountdevsubfs mountvirtfs
# Required-Start: mountkernfs
# Required-Stop:
[code]....
I also added this line to the bottom of my /etc/fstab file
Code:
usbfs /proc/bus/usb usbfs auto 0 0
When I go ahead and run the script it errors out on this line:
Code:
. /lib/init/mount-functions.sh
I went to go look in /lib/init and the mount-functions.sh script doesn't exist. I've googled this and I haven't been able to find anything. why am I missing /lib/init/mount-functions.sh and how can I get that script?
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