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  • How Ubuntu cloud version enforces the "no root login" over ssh ?

    - by Maxim Veksler
    Hello, I'm looking to tweak ubuntu cloud version default setup where is denies root login. Attempting to connect to such machine yields: maxim@maxim-desktop:~/workspace/integration/deployengine$ ssh [email protected] The authenticity of host 'ec2-204-236-252-95.compute-1.amazonaws.com (204.236.252.95)' can't be established. RSA key fingerprint is 3f:96:f4:b3:b9:4b:4f:21:5f:00:38:2a:bb:41:19:1a. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added 'ec2-204-236-252-95.compute-1.amazonaws.com' (RSA) to the list of known hosts. Please login as the ubuntu user rather than root user. Connection to ec2-204-236-252-95.compute-1.amazonaws.com closed. I would like to know where this is setup and how I can change the printed message? Thank you, Maxim.

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  • Why do I get a DegradedArray event with mdadm

    - by azera
    Hello Just so we're clear on what's happening: I bought 4 new sata 2 drives, with the intent of using them in a raid5 all drive are fully recognised by both my bios and my linux box (gentoo) I created a raid5 array, fiddled a bit with it to understand how it works, how to monitor ect At some point, this triggered a degradedarray event, even though the array is brand new. I tried to stopping the array and recreating a new array with the same drive but the new array starts degraded too. here is what I used to create it mdadm --create -l5 -n4 /dev/md/md0-r5 /dev/sdb /dev/sdd /dev/sde /dev/sdf here are the output from my /proc/mdstat and mdadm --detail --scan **mdstat** Personalities : [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md127 : active raid5 sdf[4] sde[2] sdd[1] sdb[0] 4395415488 blocks level 5, 64k chunk, algorithm 2 [4/3] [UUU_] [>....................] recovery = 2.8% (41689732/1465138496) finish=890.3min speed=26645K/sec unused devices: <none> **detail** ARRAY /dev/md/md0-r5 metadata=0.90 spares=1 UUID=453e2833:81f22a74:64188b84:66721085 As such I have a couple questions: does a raid5 array always start in degraded mode at first ? why does sdf have the number 4 between bracket instead of 3, why does it see a spare disk and why is the 4th drive marked with _ instead of U ? (bad configuration ?) How can I recreate the array from scratch, do i have to format each drive on its own before recreating it ? Thanks for any help, I'm not sure about what I should do at the moment

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  • Firefox's master password does not protect my web accounts

    - by Mehper C. Palavuzlar
    I've set up a master password in Firefox 3.6 but it's not working as I expected. I always save my passwords within Firefox for frequently visited sites like Facebook, Yahoo! mail, Gmail, Twitter etc. and this way I don't have to type in my password every time I open that site. When I open Firefox, it asks for the master password but when I click Cancel, it opens normally, and lets me directly in my Facebook page, or Yahoo! Mail page. Why doesn't it protect my accounts? This way, anyone using my computer can see my accounts and it's totally pointless for me to use this master password. How can I protect my accounts with saved passwords in Firefox?

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  • tacacs+ integrated with LDAP or database. Which is better?

    - by chingupt
    We are setting up TACACS+ in our network which is a mix of Cisco AP's and other brands. However we have a centralized managemnet system which allows our customers to configure services. Hence we would like to setup a tacacs+ server integrated with some central system. We have two options: Integrate with a central Database server which stores the user configuration. OR Integrate with a LDAP Server. Which is a better solution? Can you please suggest the pros and cons of using LDAP or Database? TIA Sachin

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  • linux/unix filesystem permissions hack/feature

    - by selden
    Can linux or other unix create a file that no user, including root, can modify unless they have the secret key? By "have the secret key" I mean they are using some crypto scheme. Here's a scenario if you aren't already downvoting: Bob encrypts something about file /foo (maybe inode?) using secret key K Alice tries "sudo rm /foo" and gets permission denied, so she decrypts something about file /foo using secret key K and then "sudo rm /foo" succeeds.

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  • Accessing my Rails webrick behind proxy?

    - by Eki Eqbal
    In my mackbook, when I try to connect to my rails application in office I can't , in the office there are some http proxy , and when I run my rails like this : sudo rails s -p8080 => Booting WEBrick => Rails 3.0.5 application starting in development on http://0.0.0.0:8080 => Call with -d to detach => Ctrl-C to shutdown server [2012-03-20 12:49:34] INFO WEBrick 1.3.1 [2012-03-20 12:49:34] INFO ruby 1.8.7 (2010-01-10) [universal-darwin11.0] [2012-03-20 12:49:34] INFO WEBrick::HTTPServer#start: pid=17439 port=8080 The local IP is : en1: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500 ether f8:1e:df:d8:8c:25 inet6 fe80::fa1e:dfff:fed8:8c25%en1 prefixlen 64 scopeid 0x5 inet 10.21.21.240 netmask 0xffffff00 broadcast 10.21.21.255 media: autoselect status: active so when I try in the browser to trigger localhost:8080 or 10.21.21.240:8080 , it seems that I can't trigger my application as for the proxy check out the following : Any Ideas ?

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  • Securing bash scripts

    - by minnur
    Hi There, Does anybody know what is the best way to secure bash scripts. I have a script which creates database and source code backup and ftp it to other server. And login/password for destination ftp are plain text. I need somehow encrypt it or hide it in case of website hacking. Or should i create script written on C to create bash file then run it and delete ? Thanks. Thanks for the answers and I am sorry, i wasn't clear enough. I would like to clarify my question in the following items. We are storing the data in Rackspace Cloud files. We can't pull as Cloud files doesn't allow you run a script. We can write the script to run on Server A and pull FTP and MySQL data on servers B, C, D, etc. And we want to protect the passwords on A from the situation where A is hacked. Can we compile our script file to hide them? Thanks

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  • How decode xfs lost+found directory

    - by Satpal
    I have managed to trash my homebrew Nas box (an old hp d530 + 2x 750gb sata soft raid1 + 17gb boot disk with ubuntu server 8.10) I have searched the web and tried to repair the file system but to no avail :( I was thinking that the dirs/files located under the root of the lost+found directory are 64 bit numbers. Is there any way that I could decant the number into binary form, from there reconstruct the directory/file structure. More to the point can anyone point to the information on how xfs inodes are broken down(does that make sense)?

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  • IT Audit checklist

    - by PHLiGHT
    I recently have taken on the position of a one man show for a company that is going to have an audit. The network isn't anywhere close to prepared and I have been looking for a general audit checklist since one hasn't been provided by the auditors and haven't found much good information out there. Does anyone have a nice template that will give me a good starting point. I know that this will be highly customized to the company but a starting point will be helpful to outline to management just how much work is needed. Thanks,

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  • Network tools not working with a 3G connection

    - by gAMBOOKa
    Some of my network tools stopped working after I switched to a 3G connection from a DSL one. Cain and Abel's sniffer, Metasploit, even the NMAP scanner. I'm using Windows 7. The 3G device in question is the Huawei E180. Here's the error I get when running NMAP WARNING: Using raw sockets because ppp2 is not an ethernet device. This probably won't work on Windows. pcap_open_live(ppp2, 100, 0, 2) FAILED. Reported error: Error opening adapter: The system cannot find the device specified. (20). Will wait 5 seconds then retry. pcap_open_live(ppp2, 100, 0, 2) FAILED. Reported error: Error opening adapter: The system cannot find the device specified. (20). Will wait 25 seconds then retry. Call to pcap_open_live(ppp2, 100, 0, 2) failed three times. Reported error: Error opening adapter: The system cannot find the device specified. (20) Metasploit's refused connection to my websites too.

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  • shibboleth: tomcat failing to start IdP listener

    - by HorusKol
    I have installed a Shibboleth Identity Provider as per http://www.edugate.ie/workshop-guides/shibboleth-2-identity-provider-installation-linux-debian-or-ubuntu However, testing only gave me a 404 from Tomcat, and when I checked the Tomcat logs, I saw that the IdP listener was not starting: 10/01/2011 11:25:31 AM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor idp.xml 10/01/2011 11:25:32 AM org.apache.catalina.core.StandardContext start SEVERE: Error listenerStart 10/01/2011 11:25:32 AM org.apache.catalina.core.StandardContext start SEVERE: Context [/idp] startup failed due to previous errors The IdP descriptor file has the following context: <Context docBase="/opt/shibboleth-idp/war/idp.war" privileged="true" antiResourceLocking="false" antiJARLocking="false" unpackWAR="true" /> I have confirmed that the WAR file is located as the Context above specifies - as I have found similar issues from other people where the WAR file was not found. However, the logs posted by those people indicate that the descriptor file was correctly read by Tomcat and their problem was with the WAR file itself. I'm assuming this is some kind of syntax error with the idp.xml, but cannot determine what it might be. Also - setting the Tomcat logging level to FINEST does not provide any additional information in the logs for this error.

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  • Start multiple instances of Firefox; Xephyr rootless mode

    - by Vi
    How can I have multiple independent instances of Mozilla Firefox 3.5 on the same X server, but started from different user accounts (consequently, different profiles)? Limited success was only with Xephyr :1, DISPLAY=:1 /usr/local/bin/firefox, but Xephyr has no Cygwin/X's "rootless" mode so it's not comfortable. The idea is to have one Firefox instance for various "Serious Business" things and the other for regular browsing with dozens of add-ons securely isolated.

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  • MSE updating fails, no warning or error message.

    - by WebDevHobo
    I'm running Windows 7 Ultimate, 32-bit. For the last couple of days, MSE doesn't fails to update, remaining stuck at version 1.75.119 I presume that an error log is created somewhere, or an event log, but I don't know where to find those. It just says "connection failed". Tried it at home, at work and friends places, but never works. Restarted computer a lot of times now, checked for Microsoft Updates in general, but nothing shows up. EDIT: I've opened a bounty for this, because I really don't know what to do anymore. The oldest answer(the long post) here did not work. Besides this problem, I'm having trouble using MSI installers too. I've had to add the SYSTEM group to a lot of maps and give them full control, but shouldn't the SYSTEM already be there? Also, I had to remove the "read-only" attribute from the ProgramData and Users folders, add the SYSTEM group there too and give them full control. Only then will the MSI install work and even then, it says I doesn't have the rights to create a shortcut on the desktop. Don't know what I need to modify and where for that. I'm saying this because I don't know how MSE updates, but if they use MSI files to do that, that might explain things. The SYSTEM group remains added, but every time I take away the read only attribute, click OK and check the settings again, read-only is still active... That's all I know. Screenshot, all those updates were manual:

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  • What is a good alternative to Camtasia Studio (screen recording not required)?

    - by tnorthcutt
    I'm looking for a good alternative to Camtasia Studio - really just the video editing part. My current workflow looks like this: Record audio (with Audacity) Save screenshots of the subject matter (websites) Import audio and screenshots into Camtasia Use the zoom and callout tools in Camtasia to go along with the spoken audio and highlight certain parts of the sites Given that Camtasia costs $300 (I've been using a trial version), I'd like to find something else that can do this well. I suspect that a lot of the pricetag for Camtasia is because of the screencasting features. I've tried Sony Vegas Movie Studio, but it was really a lot more than I need. I'd like something relatively simple (so that new users can pick it up relatively quickly), with the zoom and callout functionality that Camtasia has. Any suggestions? Edit for clarity: I'm looking for a program that will let me combine the screenshots and audio, and (most importantly) that has features equal to or better than Camtasia for text overlays, highlighting areas on the screen, etc.

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  • App or apps like NetLimiter Monitor for Linux

    - by Nathaniel
    I find NetLimiter Monitor quite handy on Windows both for the realtime per-process bandwidth monitoring and the recorded data usage. What tool or tools can I use to replicate this functionality in Linux? I am okay using two separate apps for the bandwidth and the usage monitoring, but the usage monitoring is a must have.

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  • Should I use Evernote or Org-mode for taking notes?

    - by tobeannounced
    I am looking for an app that will help me manage my notes, and after coming across Org-mode, I was wondering whether Org-mode's functionality is strong enough that it can remove the need for me to use another note taking app (because org is more of a task management app), such as Evernote. My wishes for a note taking app are: can be accessed offline in some form, eg through an iPhone app or desktop client Org-Mode and Evernote can both do this, however it seems like MobileOrg is more aimed at tasks, rather than notes? If this is the case, I probably would use Evernote in addition to MobileOrg. I can clip web content into easily for research Evernote has the browser extension, how is it with Org-Mode? I know I can use c-c c-l, but how suited is it really for taking notes on stuff I am browsing in Chrome/Firefox? has voice notes on the iPhone and computer too, if possible Org-Mode cannot do this on the iPhone, on the computer could I record audio externally and then link the files in? I can add notes too on my iPhone & computer while not connected to the internet both can do this. The types of notes I am likely to have include: howtos/things I have learnt, documentation on my setup/stuff, research on things I may do in the future, ideas, and task specific notes. I have thought about where I would want to access each of these notes and will post that here if you think it would help. So, is Org-mode strong enough in note-taking and the requirements I listed that I can avoid the need to use a separate tool for taking notes?

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  • What's the closest equivalent of Little Snitch (Mac program) on Windows?

    - by Charles Scowcroft
    I'm using Windows 7 and would like to have a feature like Little Snitch on the Mac that alerts you whenever a program on your computer makes an outgoing connection. Description of Little Snitch from its website: Little Snitch informs you whenever a program attempts to establish an outgoing Internet connection. You can then choose to allow or deny this connection, or define a rule how to handle similar, future connection attempts. This reliably prevents private data from being sent out without your knowledge. Little Snitch runs inconspicuously in the background and it can also detect network related activity of viruses, trojans and other malware. Little Snitch provides flexible configuration options, allowing you to grant specific permissions to your trusted applications or to prevent others from establishing particular Internet connections at all. So you will only be warned in those cases that really need your attention. Is there a program like Little Snitch for Windows?

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  • alternatives to altaris/symentec SVS

    - by The Journeyman geek
    I use an old copy of altaris SVS (link to lifehacker - symentec gutted the old altaris website) for testing applications - it lets me capture the changes one executable makes, or changes to a whole system into a bundle, and remove the whole bundle once i'm done. However symentec bought over altaris and apparently killed off the product, or merged it into some other bigger product. I'd like the same fine grained control SVS had, something that just does this, and preferably free (for personal use) or not too expensive. I'd like this to run on at least windows XP 32 bit, but windows 7 and 64 bit support would be nice too

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  • How do I protect my company from my IT guy?

    - by Jesse
    I'm going to hire an IT guy to help manage my office's computers and network. We're a small shop, so he'll be the only one doing IT. Of course, I'll interview carefully, check references, and run a background check. But you never know how things will work out. How do I limit my company's exposure if the guy I hire turns out to be evil? How do I avoid making him the single most powerful person in the organization?

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  • Access denied even though I'm an Administrator?

    - by Borek
    My user account on Win7 is part of the Administrators group which has a full control permissions on C:\inetpub\wwwroot: http://twio.cz/ac7p However, when I try to create a folder in it, I get the "access denied" error. This is fixed by adding my specific user account to the list but that shouldn't be necessary should it?

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  • Access denied even though I'm an Administrator?

    - by Borek
    My user account on Win7 is part of the Administrators group which has a full control permissions on C:\inetpub\wwwroot: http://twio.cz/ac7p However, when I try to create a folder in it, I get the "access denied" error. This is fixed by adding my specific user account to the list but that shouldn't be necessary should it?

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