Networking :: SSH Between Two Linux Boxes / Newbie Having Troubles
Oct 27, 2010
I'm trying to set up a mini grid of linux boxes, but am quite new to setting linux up.I've installed fedora 13 on one and would like to be able to SSH in to it. All boxes are within a university network (under a proxy if that makes any difference?).I can mount a shared disc easily enough, and SSH out to other computers (that I didn't set up myself),I've tried following a few threads, temporarily taking down firewalls, disabling SELinux, messing around with iptables but can't seem to manage it.
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Mar 12, 2010
I am unable to ssh a Linux box from other Linux boxes; also tried to window putty.Although I am getting the password prompt instantaneously.So far, by comparing logs of other server, I am just able figure out that "debug2: callback start" is not coming in ssh -vvv logs.
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Mar 29, 2010
I noticed tonight when I go to Places, Network, it will bring up an icon for Windows Network, and I can drill down to my Windows box. But I can't see the other Linux box (a laptop running Kubuntu), and the same behavior occurs on the laptop when trying to view the Linux desktop. The laptop is connected wirelessly, if that makes a difference. Each box can ping the others, but I don't yet know how to browse one Linux box from the other Linux box.
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Jan 12, 2010
Please help, I am completely new to Linux and having trouble installing software.The packages I am attempting to install are:Google Chrome.I followed the codeweaver instruction and in the user terminal I entered: sh install-crossover-pro-8.0.0.sh
The response I got was unable to find directory.All of the above packages are on my desktop and in my Downloads folder. I have tried Synaptics without success. What to do next?It's 0300 hours here (Australia), yawn, I will be back on later.
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Nov 1, 2010
I have tried to find a simple "how to". People testify how simple sharing over Linux networks is, but I just can't make it.I have a desktop with Mint LXDB on it. My wife has a laptop with Ubuntu Lucid Lynx connected with a wireless LAN to a D-Link router.
But I can't open mine from her laptop. My aim is to connect her to a backup station connected to my computer. I have been looking into https://help.ubuntu.com/community/SettingUpNFSHowTo. It is six pages long, complicated and i can't make it work.If networking in Linux should be so simple and native, there must be a better way..I hope.
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Nov 9, 2010
I have a printer connected to one PC running slackware. The printer is set up to be shared through Samba and I can print to it from my Windows laptop.I would however like to use that printer from another Linux machine (running Ubuntu).Do I need to go through Samba to do this or is there a better way with it being linux-linux?Everything I've found on google relates to going from Linux to Windows unfortunately.
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May 25, 2011
I need create ssh forwarding to other linux box that works as a proxy.I have two linux boxes(centos 5.5), one in the office(server1) behind firewall, other at colocation(server2)server1 has squid proxy instaled on port 3128.i cant use server1 as a direct proxy from home because its behind firewall.iwas able to create ssh tunnel from server1 to server2 and when i log in to server2 ican ssh root@localhost -p 12312 to server1
what i need is configure server2 so it forwards port server2:3128 to server1:3128....and i could add server2 ip addres and port to firefox proxy's and access ofice network.
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Apr 5, 2011
How can I use diff to compare the files of similar directories on to diferent linux boxes.
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Apr 7, 2011
I just want to see if anyone else is having problems connecting to networks, wifi or wired. For some reason, I can see both wired and wireless networks available but when I try to connect, it times out. I updated a couple of days ago and suddenly started having problems today. Anyone else having the same problem?I have only tried the router and repeater I have to connect to. My other computers are working just fine. One is actually running as a Debian server with no GUI (which I do not update as often). The other is a Mac.
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Jan 20, 2011
I just want to know the basics first.
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Jan 16, 2010
I'm new to Linux and Ubuntu 9.10. I have installed Ubuntu 9.10 on an older Compaq Presario 6100. Initially my built in wireless was not working. I searched the forum and was able to get my wireless working (I think) by installing the BCM43XX driver. I assume that works on my computer since I believe the BCM4306 driver is needed. Anyway, assuming my wireless is working, my home network does not show up in the pick list when I go to network<wireless.
I've spent a couple of hours already researching this and up someone can help me out. I would really like to give this new system a try.
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Oct 4, 2009
moved to Fedora 11 but can't figure out how to get my wireless working. I have the broadcom driver installed and the Network Manager Applet shows the available wireless networks, but when I click on them they just don't connect.I get the following output on lspci regarding the wireless adapter:03:00.0 Network controller: Broadcom Corporation BCM4312 802.11a/b/g (rev 02)
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Jan 6, 2010
Since F12 I've big troubles with my left shift key.
I've Fedora running on 3 hosts. 2 desktops and 1 laptop. Only on one of the desktops I've these troubles.
If I press the left shift key sometimes shift gets locked. If it's locked, no key can unlock it. Not the left, not the right shift, nor any other key... and I tried them all meanwhile;-)
It's a real shift lock, not a caps lock. After a (random?) time it releases itself without any user interaction. Releasetime varies between 1 and many seconds.
So, only waiting helps. I already followed the wiki entries for debugging keyboard (input-dev) issues. Watching the output of evtest shows exactly the same output for the usual case and the lock case. They both look like this... code...
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Apr 23, 2010
I have a box with 6 Ethernet ports. One is the main connection to the box, and the remaining are for connecting to one host each (1-1, ie, 5 different boxes connected to each of 5 ports on the box). I setup a static route to each of the hosts, and it worked. But, now it just doesn't work. There are no firewalls, etc.
Box_A: 10.2.1.200 (going to the switch to outside).It has 5 other ports: port1 (10.2.1.11) <----> Host1: 10.2.1.20 port5 (10.2.1.15) <----> Host5: 10.2.1.25 If I do, ping -I eth1 10.2.1.20, from Box_A it doesn't work. But, it used to work.
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Oct 23, 2010
I can't think of any obvious reason. I have two Ubuntu 10.04 machines. Each has a two disc RAID array for redundancy. Both are on my class C network (192.168.1.3 and 192.168.1.5). Both can access internet through router and I can "reach" each with a windows laptop (I can ping, login via SSH, reach webmin, SAMBA, etc). However, all the sudden, I cannot reach either linux box from the other linux box. It fails "both ways," meaning I can neither ping, login via SSH, use a SAMBA resource or in any way see the "other" linux box from one. This seemed to occur about two weeks ago (maybe after an update?). I've been using Unison to sync the RAID arrays - but not, I cannot sync at all. The only thing I could think of is to check hosts.deny (and allow) which are distribution default (unchanged)...
If I traceroute to the router, I get "1 XXXXX (192.168.1.1) 0.543 ms 1.217 ms 1.204 ms." However, if I try it to the other linux box, I get "3001.294 ms !H 2001.280 ms !H 3001.264 ms !H" which evidently means host unreachable. So it can get to the router (which has the windows box which can see both linux boxes). I just can't think of any reason why/how this could happen? Not sure how what is wrong with hosts file (I have made no changes and it accepts ping/ssh, etc from windows machine). Any ideas would be greatly appreciated.
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Mar 8, 2010
I'm trying to install OpenSuse 11.2 from iso image without burning it in a DVD.. because I don't have a CD or DVD drive.I'm using Windows Vista.firstly I mounted the dvd image .. but thought that was wrong because when rebooting instillation won't find the image.. is that true?so, I extracted it and I opened openSUSE11_2_ LOCAL.exe. and then reboot.. got two choices (Vista or install OpenSuse) and selected install OpenSuse but my screen went "out of range" !!
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Oct 18, 2010
Ubuntu 9.10 So I have four boxes. One has all the users on it and it is the nfs-server. The other 3 are nfs-clients. I need to be able to share all users between the boxes. I have mounted the /home directory from the server onto the three clients as well as the /usr/local folder, however I am still unable to log in as anybody but the root on the clients.
I am not even sure how to search for this (I keep getting results on how to mount the home directory, and information about adding multiple users to a single box).
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Jan 26, 2010
HDD partitioned for novice - everything in one partition, in one folder /.
/dev/sda3117290636 38456100 72876432 35% /
tmpfs 1037460 10374600% /lib/init/rw
udev 10240 852 93889% /dev
[code]....
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Feb 19, 2010
I am getting crazy with my system.(I got the machine from previous guy working on it with XP, I installed myself linux, but with zero experience, 2 years ago).starting point yesterday:3 HDs in raid, SUSE 10.3 x64 installed on sdc1 with problems, XP on sda, SUSE 10.2 x32 on sda as well:
Code:
Disk /dev/sda: 250.8 GB, 250808893440 bytes
255 heads, 63 sectors/track, 30492 cylinders
[code]....
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Oct 12, 2010
I've set up Samba under Ubuntu for windows SMB file sharing (currently unauthenticated but soon to be backed off against A.D.) This is great within Windows where l folders are available as mounted in all applications but from my Ubuntu desktop and Ubuntu laptops, we can only access network folders and files from the File browsers and bookmarks one finds in the "Places" menu. Our issue is that most (but not all) dialogue boxes don't have any options for viewing non-local files and folders. i.e. when I'm in my web browser and I go to upload a file from our local network file server to an internet location, the "Open" dialogue box cannot see any of our local network locations.
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Jul 27, 2011
I run a server that is connected to several other boxes in a private network (192.168.0.0). 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.
Questions:
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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Feb 7, 2011
i am not able to set up a crossover connection between 2 CENTOS 5.5 boxes.
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Nov 27, 2009
I want to configure linux CentOS 5 as a router using iptable, .Im new in linux so I need the steps to do that
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Jul 12, 2010
Problem with this bizarre Wifi problem. I have searched and searched and cannot find a solutions. Unfortunately this affects 3 computers in my household. And as the resident amateur Linux tech support/Linux advocate, I will be held responsible if I don't figure out how to fix this quick. After some extensive playing around, this is the situation. I have this problem on Ubuntu 9.10, Mint 9 (based on Ubuntu 10.04) and PC Linux OS 2010.:
- About a week ago the wireless network I use stopped working. There was a major power failure on our block during this period. No idea if there was a connection. Since then, I have been able to connect, but I am no longer able to access the internet. I can ping my own IP and my router, but no website (niether by IP not URL).
- When I booted my computer in Windows, it connected to the internet. My neighbours (whose network I am using) are also windows users, and are able to access the internet without problems.
- I have found exactly the same problem on my wife's laptop running Ubuntu 9.10 and on a Live CD of PC Linux OS 2010
- I am still able to log into all other wireless networks without problems.
I am perplexed. Is it possible for a wireless network to prevent internet access to linux computers? And inadvertently? I tried disabling IPv6 (which wasn't being used anyhow), but this didn't make a difference. I also tried manually entering an IP address and other network details into the network settings.
[Code]....
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Jan 14, 2011
is this possible on 2 Linux boxes will act as a INTERNET Firewall + Filtering: 1st PC = CENTOS 5.5 functions as a firewall using iptables with two NICS 1=ETH0 connected to internet with a public ip and 1=ETH1 with ip address of 10.0.0.1 connected to the 2nd PC Centos 5.5 with squid/dansguardian with ip address of 10.0.0.2
2nd PC = Centos 5.5 functions as a squid + dansguardian internet filtering with 2 NICS 1=ETH0 with ip address of 10.0.0.2 connected to the ETH1 of the 1st PC with ip address of 10.0.0.1 and 2nd ETH1=connected to LAN (172.16.1.0/24)
does this make sense? this might be confusing but I just want to try this, to protect incoming ssh from our previous Sys admins who intended to enter the LAN 172.16.1.0/24 network. And also to confuse them that they have to pass through 10.0.0.1 - 2.
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May 5, 2009
My first time installing centos server and adding it to xp home network. I am new to setting up my own network in general. I have a home windows wired ethernet xp network (simple linxs router) with 2 xp boxes and one centos5 box all connected to the same router. I just set up the centos box running tomcat on port 8080. I need to do two very basic things at this point, but am not sure what I need to do:
What do I need to do so I can:
1. Connect in firefox on one of my xp boxes and call the tomcat server running on my centos box?
2. Be able to ftp to centos box from either of my xp boxes?
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Jul 13, 2010
I'm having a bizarre problem with FTP transfers from my CentOS 5.3 boxes, All of my CentOS boxes appear to be limited at ~10kb/s when connecting to any FTP server outside of our network. We have no network infrastructure which would cause this, however when I use a windows based machine it is able to connect fine.
I took my laptop running Vista, and rebooted it onto a CentOS 5.3 LiveCD, and same issue.
I have checked our iptables, cleared the rules, removed the kernel modules, checked CBQ/TC it looks like nothing is limiting this. Also, other protocols work fine. Both the windows and linux boxes used passive transfers for it.
Is there anything other than iptables/CBQ which would be on a out of the box install of CentOS I should check? Is there any kernel settings for NAT connections which may cause this?
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Jan 19, 2009
I have a Mandriva linux box connected by cable to my router. When I stream audio using this box it crashes all the wireless computers on my network. There is no effect on wired computers. All but the one computer are windows (xp or vista). The affected wireless computers are not able to even find my wireless network. I have to reboot the router to get them online.
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Mar 26, 2010
How do I make a router by Linux?In other words you want your Linux to work as a router.
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Oct 26, 2009
So I installed FC11 and it seemed to be working ok I was having an issue configuring sendmail so I decided to use Yum to remove it and to re-install sendmail.I type yum remove sendmail and it asked me if I wanted to remove 39 dependancies. I said yes and it removed way more than just sendmailIt even removed Yum itself
HELP...I do not even have any way in the GUI for software installs, and YUM is no longer present.It even removed all but 7 items in my administration drop down. Can I fix this with the install CD of Fedora
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