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• Firewall blocks outgoing email

  - by Martin Trigaux

  On my Debian server running a Django website, I have an error when I need to send an email. The error received is Exception Type: gaierror Exception Value: [Errno -2] Name or service not known Exception Location: /usr/lib/python2.6/socket.py in create_connection, line 547 You can see the full error log here. After testing, it seems it is my firewall that blocks the request. You can see my iptable file (/etc/init.d/firewall). I think the problem comes from the two commented lines that were supposed to accepts all established connections. When I uncomment them, I have an error iptables: No chain/target/match by that name. Thank you

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• What is stable as Ubuntu in kernel space, but also cutting-edge as Fedora in user land?

  - by HRJ

  I am a long time Fedora user (since Fedora 6). Previously I have used Gentoo (for 2 years) and Slackware (for 5 years). The thing I liked about Fedora is frequency of package updates + great community. But lately I have noticed that Fedora is becoming too cutting-edge, nay, bleeding-edge. They changed the DNS client to be strict, without any warning, which broke some of their own packages for two Fedora releases. More critically, their LVM modules are not compatible across Fedora 12, 13, 14 (sometimes). Ubuntu is nicely polished but seems too stable for my liking. Some of the user-space applications are two major version numbers behind (even in testing or unstable or whatever they call it). Is there any Linux distro that has the stability of Ubuntu in kernel space and the bleeding edge in applications (especially harmless applications like, say, Stellarium)?

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• Outlook 2010 + Move IMAP PST file = Outlook data file cannot be accessed

  - by GWB

  I set up a new IMAP account in Outlook 2010. It works but creates IMAP PST file in C:\Users\User\AppData\Local\Microsoft\Outlook. I want the file on my data drive in D:\Users\User\Documents\Outlook Files (the same folder where outlook automatically creates the local Outlook PST. I followed the instructions here to move the IMAP PST. Testing the account (send/receive) works fine, but if I try to manually send an email I get error 0x8004010F Outlook data file cannot be accessed. I've tried repairing the PST using SCANPST (it always finds errors), and deleting and recreating the account but I get the same error. If I move the PST file back, it works again, but this is not ideal. Note: I don't think this is a duplicate of this question as the cause is different and the solution does not help.

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• Setting up Apache directory root behavior

  - by Corey

  I'm running Apache on a Windows machine for local testing and I'm new to it. Currently, if I navigate to localhost/ in a web browser, it will display an index.html page if one exists. Otherwise, it will display the directory listing. How can I make it so that navigating to a root directory will display more than index.html? What I need is so that if either: index.html, index.htm, or index.php exist, it will navigate to one of those. How can I disable showing directory roots? I would like it to return a 403 Forbidden error if no index page exists.

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• can't run binaries or shell scripts

  - by hyperboreean

  I am running Debian testing and I am not able to run any binary or shell script. I keep getting "No such file or directory". The umask is the default one and I haven't fooled around with the paths. Also, I am aware of this question, but it doesn't work out for me - I compiled my code on this machine and trying to run it on the same machine. Also, all of my shell scripts have the correct shebang. Any advices?

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• Cannot SSH into Virtual Machine

  - by MasterGberry

  I am running a CentOS VM on my desktop that I use for development testing when coding in python. At my school I have a dedicated IP setup for the VM and my desktop so I never seem to have an issue ssh'ing from desktop into VM. I am now at home for winter break and cannot seem to SSH into the VM using the local ip address behind my router, the external IP with port 22 forwarded to my VM, or anything. Strangely enough I can ssh into my production server and then fromt here ssh into the VM, but not from my desktop to the VM directly What should I do to get this to work? Thanks

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• How to setup Apache 2.2 (prefork) with mod_fcgid to test a C++ application?

  - by skyeagle

  I have written my first fastcgi application (C/C++), and I need to test it to ensure that it is behaving the way I expect it to. I have searched for examples on setting up Apache 2.2. with mod_fcgid, but all of teh tutorials etc I have seen, relate to PHP, Python, Perl etc. Is anyone aware of a resource that shows how I may setup Apache to use mod_fcgid (NOT mod_fastcgi) to test my binary? If no online resource is available (I'd be surprised), then could someone please point out the steps required to do the testing?

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• How do I use rsync to sync my repo on my mac to university server where I have ssh access?

  - by snihalani

  I need to use my university's ssh access and run my programs there for testing. I don't have sudo access there. It doesn't have vncserver there either. I would work with vim and make but I need git at least. Now I am looking into rsync to sync my current source directory into a remote directory and I'll ssh into the directory and run my make file to test it. I am looking at the man page of rsync and it looks very complicated. Can anyone please help me with this? I have googled in superuser and all commands seem different for different cases. Can anyone please help me with this?

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• VPC on Windows 7 very slow network

  - by Shigg

  I have a Windows 2003 virtual machine which I use for website testing. I've just installed Windows 7 and am using the new version VPC (not xp mode). When I try to copy a file - I need to copy some big databases across - I get a file copy speed of about 20k per sec. Copying from one PC to another on the real network transfers files at 13mb per second. Any ideas what may be causing this? I've turned off differential network compression on win 7. The Virtual HD is on a seperate physical drive to the OS. Running Windows 7 64 bit on a dual xeon with 16gb ram and 10,000 rpm drives. Tried installing VPC 2007 but windows blocks it running saying its not compatable. Many thanks for any ideas.

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• SQL Server 2008 Snapshot Replication Trigger Start

  - by Chris

  I have setup a production server and a staging server. Whenever we are at the point in our release cycle where we want to begin testing on staging I want to copy the production DB over to our staging server. I have setup snapshot replication to do this and have setup the staging server to have a pull subscription to the production DB. I want my continuous integration server to be able to kick off this process. How do I programmatically trigger a snapshot to be created and replicated? If there is a way to trigger this process is there a way to know when it's finished?

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• Is it possible to remotely login to one domain from another (there is a trust created between them)

  - by Joe

  Two AD server representing a domain each in one forest. There is a 2-way Forest-wide trust created between them, but users of one domain cannot remotely login to a machine in another domain. But a share is accessbile from another domain, confirming that the trust is created. Can users remotely login from one domain to another domain? If so, how? Testing environment very simple: W2k3 server (AD server) : Domain : XYZ.com Machines : xp,vista users : u1,u2 w2k8 server (AD server) : Domain : ABC.com users : u3,u4 Connect remotely to xp machine (RDP). use user credential of u1/u2. - able to connect use user credential of u3/u4. - not able to connect

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• Set one homepage for all browsers simultaneously

  - by MorganTiley

  For testing purposes, I would like to set the homepage of all browsers installed on my computer — Internet Explorer, Chrome, Firefox and Safari — to the same page. I'd like to do this all at the same time. I imagine that there's an application that has an input box for the URL I want to use as homepage and an OK button to set it in all browsers. Where can I get a utility or script that can do this?

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• Backup software for Ubuntu - which one?

  - by Industrial

  Hi everybody, I have spent some time testing out different backup solutions for my small home office during the last weeks, but still haven't found anything that have been working out too well yet. We can definitely work with a non-GUI script if that's what it takes, if only the requirements are fulfilled: Upload to Amazon S3 Europe. We get unbelievable slow uploading speed to US, so uploading 400+ GB of data will not be happening anytime this year... Incremental backups - only changed files shall be uploaded or we will have a big bill from Amazon in the end of each month.. Files should not be uploaded in one big per-folder archive. This is not efficient at all, since if we change one file in a subfolder, a huge two-digit GB sized file would have to be uploaded during next backup. Not good for economy again, or traffic overhead on our internet connection. What options are available to us? Thanks!

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• Connecting to a 2.5" laptop drive using USB

  - by user27449

  So I swapped my MBP hard drive with a SSD drive, and I want to connect to my old hard drive. I bought a nextstar 3 external 2.5" drive enclosure that has a USB 2.0 interface. I watched an online video of an older version of the enclosure, and in the video they had a ATA cable to connect to the drive. My enclosure didn't come with anything like that, and there doesn't seem to be a way to connect to my drive (my old drive is a seagate 500gb momentus 7200 RPM). My laptop is about 2 years old now (MBP 17"). The drive doesnt' have pins to connect, it has a wide plug type connector, and a USB connector also (I was able to directly plugin the USB cable to the drive, but didn't connect it to my computer, was just testing thigns out). Is it safe for me to directly connect the cable that came with the enclosure to the drive, and then connect the other end to my computer? Does this single cable provide power and data transfer?

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• Hardware changes to require XP Activation ? (for a Virtual Machine)

  - by NVRAM

  I have WXP-64 running on a VM and, for testing and performance reasons, I would like to occasionally change the allocations for it. Changes might include: Number of CPU cores, Amount of RAM Add/remove network adapters. But I'm concerned that XP will demand re-activation and that I might eventually have licensing issues if I do this. So, can anyone tell me: What kind of changes trigger re-activation in XP? Is there limits or caveat with regard to re-activation? I've perused this question and the article it references, but wanted more recent and verified info. (FWIW, I'm not trying to cheat: the OS copy was purchased explicitly for the VM.)

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• Is there a way to create a copy-on-write copy of a directory?

  - by BCS

  I'm thinking of a situation where I would have something that creates a copy of a directory, tweaks a few files, and then does some processing on the result. This wold be done fairly often, maybe a few dozen times a day. (The exact use case is testing patch submissions; dupe the code, patch it, build/test/report/etc.) What I'm looking for could be done by creating a new directory structure and populating it with hard links from the origonal. However this only works if all the tools you use delete and recreate files rather than edit them in place. Is there a way to have the file system do copy-on-write for a file? Note: I'm aware that many FSs use COW at a block level (all updates are done via writes to new blocks) but this is not what I want.

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• Can an ESX server under heavy load cause cpu spikes on guest VM's?

  - by ReferentiallySeethru

  So we have a number of vm's running on an ESX 4.1 server for product testing. The ESX Server is at times under heavy load. We've been experiencing high CPU levels during some use cases, but we can't always duplicate this. If the ESX server as a whole is under heavy load could this cause guest machines to show high CPU usage? To ask it a different way, if the guest machines require more cpu resources than the server has, how does this affect CPU usage as indicated by the OS and process?

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• RSAT and double accounts

  - by Ryaner

  Since we are looking at migrating our domain admins to use non domain-admin accounts and runas for admin tasks a discussion has begun. How do others use RSAT with runas? I know you can Shift+RightClick run as other user to launch it with admin rights, but it looses the icon on the taskbar. The question also has been put, why do Microsoft release the RSAT tools if they recommend admins to run using non-domain accounts. Edit: Further to this, some of the initial testing with RSAT via the run as other user command hasn't worked out well. Few of the options don't function in the Hyper-V and Failover Cluster Manager.

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• Cursor and selection invisible if focus is lost

  - by Alois Mahdal

  "Latest" versions of Excel (I think it's since 2007) have a new added "feature" that if Excel windows loses focus, the cursor becomes invisible. Also coloring of headers is default, so it's impossible to locate cursor and/or selection as soon as I switch to other window. This annoys the hell out of me as it makes Excel almost unusable for most of tasks I need it for: keeping track of test cases while performing testing in another window. obtaining data somewhere else and porting it to Excel (I have never seen such behavior in other applications and can't even think of a justification for it.) Is is possible to turn this behavior off?

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• How can I tell which laptop touch-screens work well with a stylus (for drawing/taking notes)?

  - by BlueRaja

  I'm looking for a laptop with a touch-screen and stylus for drawing/note-taking. I've read the difference between the different kinds of styluses, but that's only half the story - what about the touch-screen? How do I know if the touch-screen supports "palm-rejection"? Or if the included stylus is a capacitive stylus or a "Wacom digitizer"? Or if the screen will even support Wacom? How can I tell how accurate the touch-screen is (from my testing, some definitely seem to have higher "resolution" than others)? Is there anything else I should be looking at? I don't see any of this information on, for instance, the Newegg specs page for a laptop.

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• Network connectivity issue

  - by kubiej21

  I am a novice cisco user and I am trying to investigate as to why one of our connections went down. We have a fiber network ring that is operating just fine. Connected to this ring via ethernet, is a lone 3560. This connection has worked flawlessly for the past year and a half. This morning, I noticed that I could not connect to that remote switch. I checked the configurations on both switches, and nothing has changed (as I expected). In the field, the port lights were flashing, indicating that some sort of communication is occurring. There is only 1 ethernet cable that has been run between these two locations, so testing an alternate path is not possible. What else can I do to fix this connection?

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• What questions do I need to ask for a database sync?

  - by user65745

  I am currently helping to implement an RFID inventory management system for my company. The software that we are locked into has been at best buggy and unreliable. The software provider is now rolling out a major release. My problem is that the new software release keeps a local database on each machine that then syncs to a master database online. According to the software company we cannot do a scaled rollout because of data corruption issues between the software releases. What questions can I be asking and what sort of testing can I do on my end to make sure this software works? Any suggestions would be very helpful.

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• How often does a Linux check it's /etc/localtime file

  - by DarkSheep

  I am trying to troubleshoot a problem. Some very helpful information would lead me to a solution is: Often does Linux check the /etc/localtime file? Additionally if there is a configuration file to increase the frequency (for testing) that would be helpful. Normally I would assume that it would check when a call to the ntp server has been executed, but NTP is not installed. It couldn't possibly check every time the date function is called as this would result in many problems on busy web servers. Server is Ubuntu 12.04, but I don't think that is relevant to the question.

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• Password protect app in jetty

  - by JohnW

  I am testing a webapp (.war) running in Jetty 7. For demo purposes I want to run this on a public URL, however I would like not to have the whole world (if they happen to come across the URL) be able to see it. Is there a way to make Jetty require a basic-auth type of authentication when accessing the webapp (without modifying anything inside the war, i.e. no edits on the web.xml file)? Or if not the webapp, then any part of what Jetty provides at port 8080?

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• Origin of display connector numbers in XServer (e.g. HDMI1, HDMI2, DP1)

  - by Andreas N

  a custom mainboard has a DVI and a DisplayPort connector on the board. Currently, everything that is connected at DVI will be named "HDMI2" in XServer. I can see that by calling the "xrandr" tool (in Ubuntu Trusty Tahr). A display connected to the DP connector will be named "DP1" or "HDMI1", if I use a DP-to-DVI adapter. We are now testing a slightly upgraded board version, which has a newer CPU (Intel J1800, Baytrail) among other things and the position of the DVI and DP connectors are switched. Also, everything at the DVI port is called "HDMI1" and something connected to the DP port gets "DP2" or "HDMI2". Q: What causes these numbers to be produced in this manner and where (probably in the kernel) is it happening? I suspect the cause to be hardware related. Specifically, at which CPU pins the connector pins are routed and attached to. Q: Would it be possible to influence this numbering scheme in order to retain the previous numbering behaviour?

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