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• Cannot login as root to centos server

  - by perpetual_dream

  I used to login as :ssh root@servip with a password authentication into my centos 6 server. I am not sure if what I have done has caused this, but while trying to get over my problem of accessing webmin remotely I followed the following tutorial until I reached: adding auth required pam_google_authenticator.so into /etc/pam.d/sshd. Then by mistake, I have closed the ssh session. When I tried to login in back with the usual password, I get: Permission denied, please try again error. How can I get over this problem? I don't have a physical access to the server.

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• How do I get rid of the Cisco CP one-time user message on a Cisco 2901 router?

  - by user65712

  I get this message on a new 2901 Cisco router: Cisco Configuration Professional (Cisco CP) is installed on this device and it provides the default username "cisco" for one-time use. If you have already used the username "cisco" to login to the router and your IOS image supports the "one-time" user option, then this username has already expired. You will not be able to login to the router with this username after you exit this session. It is strongly suggested that you create a new username with a privilege level of 15 using the following command. username <myuser> privilege 15 secret 0 <mypassword> Replace and with the username and password you want to use. It appears every time I login and everytime I show run. I already set up my username. How do I turn it off?

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• Terminal, vim and ssh color problem

  - by xaph

  I'm using vim for my editor. I've problems about the colors of vim. The same colorscheme of vim gives different outputs in terminal, ssh session and screen. I learnt they've different colors(16, 88 or 256). I don't care of using 16 color or 256 color. Also the terminal emulator is not very important to me. My questions: 1- How do I use same vim colorscheme with same output on everywhere? 2- I want to write a color definition and use it every terminal(maybe with Xdefaults file). Is it possible?

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• Manage a lot of open ssh sessions to servers with id's for hostname

  - by kimausloos

  Lately I'm working a lot with a few open ssh connections to multiple VPS servers. The hostnames of the servers all follow an ID approach and it's becoming very difficult to know on what machine I'm working with. I was wondering if there is a way to put a name I define somewhere as the title of the terminal. So I would, for example, associate IP 123.123.123.123 with webserver-stg. When opening the connection to the IP, webserver-stg would automaticaly be displayed as the name of the session. Of course I'm not able to change code on the VPS servers, so the solution should be client-side.

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• Disable RDC Welcome Screen in Windows 2008 R2

  - by mikebridge

  Is there a way to disable or bypass the "Welcome" screen I see when I'm using RDC to log in to a machine using saved credentials? I have startup task which launches an RDP session automatically to localhost when the machine boots. This works, except that the remote desktop window stops and waits for an "OK" on the Welcome screen: MACHINENAME-A.B.C.D(Server ID:Console 0) Welcome [OK] This screen is preventing me from automating this login. Is there any way to get around it? EDIT: Here's the command line I'm currently using to launch it: start /min C:\windows\system32\mstsc.exe c:\rdp\ServiceRunner.rdp

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• ADFS http login failure not re-requesting credentials

  - by Devnull

  We have ADFS working with HTTP (401) login. If a user types their password incorrectly, ADFS barfs and requires that the browser be closed, rather than asking the user for to attempt to log in again. Reprompting for user credentials is the typical behavior with other web servers (even IIS). This appears to be an artifact of setting the HTTP session, but other HTTP-login applications dont behave this way. We are having additional issues now because some users are saving that password, and its causing them account lockouts because the browsers do not realize they need to update saved credentials. Anyone know of a workaround? Wed rather not enable forms login if possible.

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• Linux freezes every few seconds

  - by Zeppomedio

  We're having an issue where one our Linux boxes (Ubuntu 10.04 LTS, running on EC2 with a quadruple-large size, 68GB of RAM and 8 virtual cores with 3.25GHz each) freezes up every few seconds. Typing in an ssh session will freeze, and running strace on one of the Postgresql processes that's running usually shows: 02:37:41.567990 semop(7831581, {{3, -1, 0}}, 1 for a few seconds before it proceeds (it always gets stuck at that semop). OProfile shows that most of the time is spent in the kernel (60%) versus 37% in Postgresql. The result of these halts (which began suddenly a day ago) is that load on the box has gone from 0.7 to 10+, and causes our entire stack to slow done. Any ideas on how to track down what's going on? iostat doesn't show the disks being particularly slow or overloaded, and top shows user cpu % spike from 8% to about 40% whenever these back-ups happen.

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• Redirect physical keyboard input to SSH

  - by Dimme

  I'm having a raspberry pi running debian linux and I have an RFID reader connected to it. The RFID reader behaves like a keyboard. Every time I scan a tag it types then number of the tag and then carriage return. My problem is that I want to redirect the output of the RFID reader to my SSH session. That means anything that is typed to the physical keyboard of the pi should be displayed in my SSH window. I have tried with: cat /dev/tty0 but it wont work because the user is not logged in. Is there a way to disable the login screen after the pi boots and then redirect all input through SSH?

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• "Cannot allocate memory " error whle copying data from window to ubuntu

  - by John

  I have Ubuntu 9.10 installed inside VM of server 2008. WHen i try to copy the data from the network and paste insid ethe Ubuntu it says error called "Cannot allocate memory " I have 3GB RAM attached to the Ubuntu I tried above suggestion but still im unbale to copy file from my host machine i.e. Windows XP to my Ubuntu machine ( which is at Virtual Machine) Im trying to copy jdk-1_5_0_22-linux-i586.bin file whose size is 47.4 MB Is there any other work around for this problem???? I tried Set the following registry key to ’1': HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\LargeSystemCache and set the following registry key to ’3': HKLM\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters\Size but still im unbale to copy file from my host machine i.e. Windows XP to my Ubuntu machine ( which is at Virtual Machine) Im trying to copy jdk-1_5_0_22-linux-i586.bin file whose size is 47.4 MB Is there any other work around for this problem????

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• Boot Linux from DOS (with loadlin.exe etc)

  - by dreamlax

  I have been using the latest version of loadlin.exe (version 1.6e). It works on some machines but on others I get "no place after kernel for initrd". The kernel is about 5MB in size (non-modular) and my initrd image (decompressed) is about 8MB. One route that I could take is to enable module support and offload some of the weight of the kernel into the initrd image but I'm not confident this will rectify the issue. Are there any alternatives to loadlin.exe that are capable of loading Linux from a booted DOS session? I basically have a series of DOS tools that I'd like to run one after another and then boot into Linux, which loadlin.exe seems to be working very well for except on some machines.

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• Is there a more elegant way to apply conditions in nginx?

  - by Ryan Detzel

  Is there a better way to do this? I can't find a way to nest or apply boolean operators to conditions in nginx. Basically if there is a cookie set(non-anonymous user) we want to hit the server. If the cookie is not set and the file exists we want to server the file otherwise hit the server. set $test "D"; if ($http_cookie ~* "session" ) { set $test "${test}C"; } if (-f $request_filename/index.html$is_args$args) { set $test "${test}F"; } if ($test = DF){ rewrite (.*)/ $1/index.html$is_args$args? break; } if ($test = DCF){ proxy_pass http://django; break; } if ($test = DC){ proxy_pass http://django; break; } if ($test = D){ proxy_pass http://django; break; }

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• XDMCP is slow any ideas? (looking for alternative remote desktops)

  - by peteri

  I've been used to using RDP on Windows to remote to machines, and I've got an asus eee 701 which I want to use to do some *nix programming on. While the eee is a lovely little machine the screen and keyboard are a little small to use for lots of programming. I've tried using Xming (the free version) to remote login into the eee from my desktop using XDMCP (or even using a ssh session as a straight X11 server and no desktop on the eee) the whole thing seems seriously slow over wifi the initial desktop takes at least 5 seconds to paint (might even be 10 seconds I haven't actually timed it). So my real question is what do other folks use for remote control with a GUI for their *nix boxes? I am finding it hard to believe the performance is so bad over a wifi network (It makes the Mac IIs I used to use a college in 1988 seem fast) or is this just a problem with Xming and using say the Cygwin X11 server would be better.

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• How to avoid trailing spaces when you copy something from terminal?

  - by Michael Härtl

  I often copy a code snippet from a SSH terminal session where i'm logged in to some remote server and have a file opened in vim, for example to paste it here into an answer at SO. It frequently happens, that the code is padded with trailing spaces to match the terminal width. Whereas i've seen this on both, my Ubuntu and Windows machines (using putty) i think, it doesn't happen always. I was not able to figure out when it happens, though. So i wonder how i can avoid those trailing spaces which i have to remove manually all the time in the textarea, where i copy it to. Note, that the files do not have trailing spaces on the server! It only happens if i select and copy some text.

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• Multiple Windows Desktop areas for Full-Screen applications

  - by arootbeer

  Is it possible to run multiple instances of Windows Explorer within a single user session, or configure multiple desktops that are portions of a screen? I don't know the best way to describe what I want to achieve, but here's a picture of what I've got: I've got a 4 monitor setup, 3 portrait and one landscape, and I am normally running a number of RDP sessions, outlook, chrome, a development environment or two, so on and so forth. Most of these applications support full-screen views which mostly or completely hide the window borders, but on the Windows Desktop they take up a full monitor to do so. What I want to do is have 7 "desktops", "regions", call them what you will, each of which is, for the purposes of applications running in it, a "full screen" environment: I'm not tied to Windows Explorer for this, in case it helps - a different window manager that will support this functionality would be a perfectly acceptable answer.

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• batch file to disable network share on Windows XP

  - by Robb

  Loosely related to this question Network Share causing Cygwin to run slowly after 'ls', I'd like to write a little batch file that I can execute to disconnect the host from any network shares and subsequently another batch file to reconnect. Ideally, this would be something that I can execute from a PuTTY terminal, SSHed into the box running cygwin. I'm pretty sure the batch files can be written easily, but I don't know about executing them from a PuTTY terminal. Regardless, I'd still like the batchfiles anyways. For the sake of simplicity my process would be: Log into server via PuTTY Run batch files to disconnect shares Do what I need to do Run batch files to reconnect shares Exit session, closing PuTTY

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• Managing Windows 7 Workstations

  - by ethamoose

  There was a similar thread to this a few years back, but without any solutions. Just wondering if things have moved on since then. I'm primarily an Mac admin working in a college, but I have recently taken over responsibility for about 30 student workstations running Windows 7. For the Macs I have Apple Remote Desktop, where I can logon to machines in a session,check for any nefarious student activity and if necessary, log off or lock users out of machines. Could anyone give me a suggestion for an equivalent Windows system manager where I can do these tasks - e.g. not just a vnc client but one with more management options?

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• Active Directory Account Always Locked

  - by Joel

  My account in the domain at work comes up locked every morning and it's turning out to be unbearable. The domain admins have no clue as to what could be causing it and therefore I must call evey morning to have my account unlocked. I normally don't log off when leaving for the day, next morning I can unlock my computer and access my workstation but when I try to do anything domain-related I realize my account is locked. This is what I've tried so far: Deleted all network drives Made sure all the servers I remotely access neither have a session with my account or a service running under my account. No service is locally running with my account in my workstation. What else can I try?

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• Accessing SVN Repository on external drive

  - by Stephen

  I've installed SVN on my Raspberry PI and configured it to access the repository on an external hard drive. In /etc/fstab, I've have the following: //192.168.1.12/SHARE/repos /media/repos cifs sec=ntlm,username=Guest,password=,_netdev,dir_mode=0777,file_mode=0777 0 0 This mounts with no issues. When I go to add a project to the repository using the following command: sudo svn import mywebsite/ file://media/repos/mainrepository/mywebsite/ -m "Initial Upload" I get the following error: svn: E170000: Unable to connect to a repository at URL 'file://media/repos/mainrepository/mywebsite' svn: E170000: Unable to open an ra_local session to URL svn: E170000: Local URL 'file://media/repos/mainrepository/mywebsite' contains unsupported hostname The only thing I think maybe causing the issue is the file settings: drwxrwxrwx 2 root root 0 Jun 11 2009 repos As you can see the owner is root, I think it needs to be www-data, but for some reason I can't change it. Any help appreciated.

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• openVAS - Microsoft RDP Server Private Key Information Disclosure Vulnerability - false Alarm?

  - by huebkov

  I performed a openVAS scan on a Windows Server 2008 R2 and got a report for a high threat level vulnerability called Microsoft RDP Server Private Key Information Disclosure Vulnerability. An remote attacker could perform a man-in-the-middle attack to gain access to a RDP session. Affected Software is Microsoft RDP 5.2 and below. My server uses RDP 7.1, is this alarm a false alarm? Security Advisor Pages say: Solution Status Unpatched, No remedy... References http://secunia.com/advisories/15605/ http://xforce.iss.net/xforce/xfdb/21954/ http://www.oxid.it/downloads/rdp-gbu.pdf CVE: CVE-2005-1794 BID:13818

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• Fully secured gateway web sites

  - by SeaShore

  Hello, Are there any web sites that serve as gateways for fully encrypted communication? I mean sites with which I can open a secured session, and then to exchange through them with other sites in a secure way both URLs and content? Thanks in advance. UPDATE Sorry for not being clear. I was wondering if there was a way to access any site over the Internet (http or https) without letting any Intranet-proxy read the requested URL or the received content. My question is whether such a site exists, e.g.: I am connected to that site via https, I send it a URL in a secured way, the site gets the content from the target site (possibly in a non-secured way) and returns to me the requested content in a secured way.

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• Random TCP Resets

  - by allenwei

  We got randomly TCP "reset" error when we send request to remote server. Log from remote server Cisco TCP Connection Terminated,Nov 05 14:43:39 EST: %ASA-session-6-302014: Teardown TCP connection 640068283 for Outside:xxxx to xxxx duration 0:00:00 bytes 4160 TCP Reset-O One my local machine I saw when I use netstat 100703 connections reset due to unexpected data 324186 connections reset due to early user close I also use tcpdump to see what's wrong with it, I saw xxxx.https: Flags [R.], seq 290, ack 1369, win 136, options [nop,nop,TS val 2871790533 ecr 1897173283], length 0 The problem just happened today, we didn't change anything on our server. Anyone know what's wrong with it? Is it related to code we wrote send out request or related to linux configuration?

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• Missing files when Windows 7 returns from hibernate w/ dual boot

  - by Arthur N

  I have a dual-boot setup with Ubuntu (lucid) and Windows 7. I have the Windows file system shared on Ubuntu through Samba. Occasionally, I am working on Windows and my machine will go into hibernate (i.e. when the battery level is critical). By default, my GRUB settings boot me into Ubuntu. So when I get back to my PC, sometimes I just hop into Ubuntu instead of going back to Windows. However, if I write any files to the Windows file system during that Ubuntu session, the next time I do go back to Windows (which resumes from hibernate), those files are missing. Obviously, the state of the actual file system and the hibernate snapshot become out of sync, and Windows chooses the hibernate snapshot, overriding any changes I may have made thru Ubuntu. For now, I've disabled the hibernate option in the Windows power settings, but is there any utility I can use to get back some of those missing files?

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• VMware Workstation 7 build 203739 - Capture Movie Mouse Pointer Not Visible

  - by BMIVM

  Hi, I have noticed that whenever I create a Capture Movie, the movie is fine but the mouse pointer is not visible at all. The clicks are on buttons file menus are executed but is hard for a viewer of the capturre movie session to follow the recording smoothly. This was not a problem in previous versions of WorkStation. Is this a bug or is there a setting I can set to see the mouse pointer? Note: VM Tools are installed, Host is Vista Ultimate Edtion SP1, x64 and the guest is a Win XP SP2. Thanks in advance for your help.

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• Remote sessions limited to two of many monitors?

  - by Xaephen

  I have 3 monitors attached to my local PC arranged in a triangle. My goal is to have the top monitor display local content, while displaying a remote session across the bottom two. I have gotten this to work with span and RDP, but I am looking for a software that would allow the remote sessions to be restricted to a number of monitors of my choosing, rather than spanning. Does this software exist? I've looked extensively. If there is a hack or something that might do it, I'm totally down for getting my hands dirty.

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• Locale setting on a Red Hat box

  - by sasuke

  Hi all, Recently our organization got a couple of server boxes which are I guess present in some data-center in UK. The problem is that for some reason the default Locale representation in Java on that server returns en_US instead of the expected en_GB (I confirmed this by running a code on that server which simply outputs Locale.default()). I am pretty sure this has got something to do the way in which the boxes were set up. My question is: what would be the approach to fix this issue now that the OS has been installed? Is there any way I can for a given SSH session set the locale as en_GB instead of the current en_US? TIA, sasuke

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