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• How to generate new CSRs for TLS use in sendmail?

  - by Mikey B

  SendMail 8.13.8 | CentOS 5.x Hi Guys, I'm using ca-signed TLS certificates on my sendmail server and they are up for renewal soon. Our new CA doesn't like our old CSR so I need to generate a new CSR. Can someone point me to the procedure for doing this (without affecting the production certs that are already in use)? I'm paranoid of overwriting the old TLS certs in the process of generating a CSR. Most of the instructions I've found are for implementing self-signed TLS certs -- which isn't an option for me at this time. I'm thinking it would something like: openssl req -new -nodes -out new-tls.csr -keyout new-tls-private.key But I wasn't sure if I was missing some options there such as the -x509 option... -M

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• Make symlink on Windows of whole tree without modifying the original folder

  - by DarkGhostHunter

  I'm trying to do this: make a symlink of a whole directory "C:/Master", in different folders like "C:\Projects\Alpha\", "C:\Projects\Beta\" an so on. "Master" directory usually changes in files and data. I work on the "Projects/*", where every project folder uses the "Master" files, but every one has new files in them. Let's say, I point to the car engine in every project folder, and inside them I add different kind of wheels. The problem I'm having, as a Windows 8 user, is that symlinks (junction) acts as a window to "Master" - I'm not allowed to add any file inside. I looking a way to reference the entire "Master" directory, and add new files - not edit any of the "Master" ones. It's as described here, but on Windows.

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• Why are some web clients requesting a page named "cache"?

  - by Toto

  We see errors like this in the apache error log: [Thu May 17 14:32:35 2012] [error] [client 192.168.1.1] File does not exist: /home/www-data/mywebsite.com/r/cache, referer: http://www.mywebsite.com/r/1010 It is strange because: There is no reference in the code/url about a folder/file "cache". The folder/file "cache" does not exist The client is randomly trying to access a "cache" folder everywhere on the website. It is always trying to access the folder/file "cache" following this pattern: Pattern: /level1/.../levelwhatever/filename (referer) /level1/.../levelwhatever/cache We run a LAMP (Debian stable: PHP 5.3.3-7+squeeze9. We also use APC 3.1.3p1). We use Google Analytics and AdSense. We do not know how to reproduce the problem. Note: I replaced the user's IP in the code for privacy.

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• linux intrusion detection software

  - by Sam Hammamy

  I have an Ubuntu VPS that I use for practice and deploying prototypes as I am a python developer. I recently started teaching my self sys admin tasks, like installing OpenLDAP. I happened to turn off the ufw firewall for just a minute, and when I ran an netstat command, I saw a foreign ip connected to ssh that I traced to china. I'd like to know a few things: 1) Is there any good network intrusion detection software, such that if any IP that's outside a specific range connects to the VPN, I can be notified? -- I am thinking about scripting this, but I'm pretty sure there's something useful out there and I believe in the wisdom of crowds. 2) How did this person gain access to my server? Is it because my firewall was down? Or is it because they browsed my LDAP directory and from there figured out a way to connect (there was a clear text password in the tree but it wasn't one used by the server's sshd)?

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• Running a VM off of an external HD via USB

  - by Nelson LaQuet

  Is it viable to run (i.e. reference the vmx/vhd directly from the mounted drive) a VM (vmware running Windows Seven) off of an external HD via USB? I mean, I know it's possible, but I guess I'm asking if USB provides enough bandwidth for normal usage... If so, are there any particular brands that may be better or worse? I know that ESATA would be a more viable setup, but my laptop doesn't have an ESATA port. Currently I use the VM to segregate all of my work development servers and software from my main machine; so I will be running all development servers and tools on the VM directly.

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• Apache2 unable to start: private key not found

  - by user3161330

  today I edited some vhosts in my Apache installation and when I tried to restart it I got this error: [Sun Jun 08 15:20:19 2014] [error] Init: Private key not found [Sun Jun 08 15:20:19 2014] [error] SSL Library Error: 218529960 error:0D0680A8:asn1 encoding routines:ASN1_CHECK_TLEN:wrong tag [Sun Jun 08 15:20:19 2014] [error] SSL Library Error: 218640442 error:0D08303A:asn1 encoding routines:ASN1_TEMPLATE_NOEXP_D2I:nested asn1 error [Sun Jun 08 15:20:19 2014] [error] SSL Library Error: 218529960 error:0D0680A8:asn1 encoding routines:ASN1_CHECK_TLEN:wrong tag [Sun Jun 08 15:20:19 2014] [error] SSL Library Error: 218595386 error:0D07803A:asn1 encoding routines:ASN1_ITEM_EX_D2I:nested asn1 error [Sun Jun 08 15:20:19 2014] [error] SSL Library Error: 67710980 error:04093004:rsa routines:OLD_RSA_PRIV_DECODE:RSA lib [Sun Jun 08 15:20:19 2014] [error] SSL Library Error: 218529960 error:0D0680A8:asn1 encoding routines:ASN1_CHECK_TLEN:wrong tag [Sun Jun 08 15:20:19 2014] [error] SSL Library Error: 218595386 error:0D07803A:asn1 encoding routines:ASN1_ITEM_EX_D2I:nested asn1 error I have tried to generate new self signed certificates issuing this command: openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout server.cert.key -out server.cert.crt but the error still exists. The private key chmod is 600, and if I open it with nano looks, fine. I'm running Apache2 on a debian 7 machine.

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• How can I convert and repair MPEG-TS (DVB-S captures) for better playback?

  - by SofaKng

  I have a lot of MPEG-TS video files (H.264 video with AC3 or MP3 in a .TS container) captured from a DVB-S capture card. When I play these videos it's much slower to seek in the video (ie. skip 30 seconds, etc) than with other files. I'm not sure if the problem is the H.264 encoding (reference frame count?) or the MPEG-TS container, or if the MPEG-TS file contains sync errors, etc. Does anybody have a good workflow for converting and repairing these files?

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• Monitor has yellow tint when used with the graphics card

  - by artknish

  I have an nVIDIA graphics card when used produces an yellow tint on my monitor's display. I tried with another monitor and it had the same issue. I then switched back to my motherboard's inbuilt graphics output (not sure what the technical term is), and the display seems fine, except I can't get the optimal resolution of 1440x900 to work. So is my graphics card's life over? Or can I get it repaired? Any self remedies without calling a hardware guy? Should I try with a DVI cable? I've been using the VGA cable from my graphics card to the monitor so far. Thanks for your suggestions!

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• Booting Windows off new SSD from grub boots old Windows instead

  - by wuputah

  After a new SSD install, I have: Original Windows 7 on sdc1 (to be retired) Copy of Windows 7 on sdb2 A Windows system partition on sdb1 Ubuntu 12.04 on sda, /boot and ergo grub is on sda1 Grub is MBR on sda and set to boot from BIOS. I prefer to not change this; grub is great! I've run update-grub (the Ubuntu grub scripts are, at present, unaltered) and grub seems to be correctly configured as all options are available: I can boot any of the 3 Windows partitions and Ubuntu. I also ran the repair tool to get Windows to add both installations to BCD. The problem: choosing particular options seem to have no effect; the old version of Windows on sdc1 always boots. I'm stumped! My thought was to only boot Windows off sdb1, and then let BCD do the rest (present a menu to boot between sdb2 and sdc1, but I can't seem to get BCD to boot sdb2), but this has been unsuccessful. Reference: BCDEdit output

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• Windows 8.1 will not boot after upgrading from Windows 8 on my PC

  - by user266969

  I have not found a fix. After running the Windows 8.1 Update from the store my computer will not boot unless In insert my recovery USB drive and try to repair. (The repair fails.) However after I power of the PC and remove the USB drive. The PC will boot correctly once. I would leave the PC on but it shuts it self off at night. (And yes I have checked my power profile, it is set to never.) The only thing I have found online is a possibly corrupt video driver. I uninstalled the video driver reboot and it did not fix the issue. Anybody have any suggestions? The PC is a HP EliteBook 8730w laptop. I had no issues with Windows 8 or the Windows 8.1 preview.

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• "Countersigning" a CA with openssl

  - by Tom O'Connor

  I'm pretty used to creating the PKI used for x509 authentication for whatever reason, SSL Client Verification being the main reason for doing it. I've just started to dabble with OpenVPN (Which I suppose is doing the same things as Apache would do with the Certificate Authority (CA) certificate) We've got a whole bunch of subdomains, and applicances which currently all present their own self-signed certificates. We're tired of having to accept exceptions in Chrome, and we think it must look pretty rough for our clients having our address bar come up red. For that, I'm comfortable to buy a SSL Wildcard CN=*.mycompany.com. That's no problem. What I don't seem to be able to find out is: Can we have our Internal CA root signed as a child of our wildcard certificate, so that installing that cert into guest devices/browsers/whatever doesn't present anything about an untrusted root? Also, on a bit of a side point, why does the addition of a wildcard double the cost of certificate purchase?

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• routing weirdness - traceroute 'vanishes' en route

  - by The Journeyman geek

  I'm attempting to set up one of my boxes as a server (again), but i'm having some odd connection issues- the box itself connects fine to the internet, but trying to connect to my external ip address seems to result in the trace getting 'lost' partway. http://pastebin.com/HCQAGbvn - this is a traceroute from another system that's connected to another ISP - starhub is my own one, while i have another system that i have access to on singtel. I'm wondering if my ISP is messing around with routing, or is something very odd going on. As you note, the traceroute dosen't reach me, but if it helps, i use a dd-wrt router. edit: Facepalmishly, turning the firewall on my router on and off fixed it. I don't get why it dropped off at different ip addresses each time, or why the router set it self to block.. everything, or why it affected the ipv6 tunnel as well.

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• How to force Word to recompute image numbers?

  - by Vojtech Ruzicka

  I have a word document containing images and tables. These have captions which are numbered, like "Image 1-Example of something". Later on I decided to rearrange some of chapters of my document. However numbering of objects remained the same, so the first image is image 8, the second is image 3, etc. I want to force Word to recompute image numbering so first image in document would be image 1, the second - image 2, etc. Is that possible? Will references (added through cross reference feature) to those objects be updated?

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• Capture the build number for a remote-triggered Hudson job?

  - by EMiller

  I have a very simple inhouse web app from which certain Hudson builds (on another server) can be triggered remotely. I have no problem triggering the builds, but I don't know how to capture the associated build number for later reference. I'm using the buildWithParameters trigger, and the actual result of that call is just a mess of HTML - I don't believe it gives me back the build number. I started down the path of pulling the whole build list for the job (via the api), and then attempting to reconcile that list against my records - but that's much more complicated than I'd like it to be. I also considered sleeping for a few seconds after launching the job, and then grabbing the latestBuild from the Hudson api - but I'm sure that's going to go wrong at some point (someone will fire off two jobs quickly, and I'll get the association wrong).

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• top process state column under FreeBSD

  - by Eric DANNIELOU

  When running top interactively, I can see various word in the state column : nanslp, biord, select, uwait, lockf, pause, kqread, piperd, sbwait ... Some like nanslp or kqread are self explanatory, others are not. Tried man pages : STATE is the current state (one of "START", "RUN" (shown as "CPUn" on SMP systems), "SLEEP", "STOP", "ZOMB", "WAIT", "LOCK" or the event on which the process waits), C is the processor number on which the process is executing (visible only on SMP systems) Tried search engines : stack overflow mailing lists archives Where may I get a complete list of possible process state under FreeBSD 9, and their meanings?

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• how i can deal with Uiactionsheet and three20 ?

  - by rain

  i am follow this tutorial http://iosstuff.wordpress.com/2011/0...e20-framework/ I know about displaying a single photo by clicking on one from the thumbnail viewer is provided to you for free by Three20. In addition, the library also provides all of the native functions such as pinch-to-zoom, swiping to navigate and tapping to hide/show the navigation arrows and back button. I want to add a button that if clicked by the user, would display a UIActionSheet with options for sharing the photo by mail or MMS and the user would choose one of them. I see a lot of tutorials about this but I need to do this by my self. so plz help me

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• Creating a seperate static content site for IIS7 and MVC

  - by JK01

  With reference to this serverfault blog post: A Few Speed Improvements where it talks about how static content for stackexchange is served from a separate cookieless domain... How would someone go about doing this on IIS7.5 for a ASP.NET MVC site? The plan so far: Register domain eg static.com, create a new website in IIS Manually copy the js / css / images folders from MVC as is so that they have the same paths on the new server Enable IIS gzip settings (js/css = high compression, images = none) Set caching with far future expiry dates <clientCache cacheControlCustom="public" /> in the web.config Never set any cookies on the static.com site Combine and minimize js / css Auto deploy changes in static content with WebDeploy Is this plan correct? And how can you use WebDeploy to deploy the whole web app to one server and then only the static items to another? I can see there is a similar question, but for apache: Creating a cookie-free domain to serve static content so it doesn't apply

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• Can't Read/Write the Hard disk used in NAS

  - by mgpyone

  I've lately purchased a Synology DS212j and I intended to use my two 3.5" HDs into it. One of them was in used as an external HD. Thus when I install these two unit in NAS, it asked me to formatted in order to used with its format (I think it's ext3?) . I installed the Disks and omit the formatting option. I just got another 3.5" Hard Disk now. I've installed it in the NAS. everything's fine. However, when I take out the (used) HD from the NAS and install back in the standalone casing, I found out that it can't be read from both OSX an Windows 7. I've tried with ext2sd and I only found 2GB portion of the whole 1.5 TB Hard Disk. Here's another reference from EASEUS Partition Master

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• How to clear the REPLACEBATT state from APC UPS after hot-swapping the battery

  - by Hubert Kario

  I replaced a battery in APC SmartUPS by hot-swapping. While the swap was all right and didn't disturb connected computers, the "Battery failed" LED on the front face kept glowing. I tried to use apctest from apcups package. Turned off the daemon and run self test (first changing BATTDATE in EEPROM). The test run fine but didn't clear the REPLACEBATT status or the glowing LED. How to clear the failed battery state without powering the UPS and connected equipment down?

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• Problem accessing the remote working space on my new SBS 2008 box

  - by Dabblernl

  This supposedly easy to install OS is starting to drive me nuts... SYMPTOMS: When trying to connect to the remote workplace I get (and ignore) the security warning because I am currently testing with the self issued certificate. After loggin in the remote workplace's main screen displays but the images on it do not load. When I try to click the email link I am thrown back to the login screen. If I try the login to exchange directly by typing in the remote.mydomain.com/owa address I get a 403 error that I am denied access. The problem occurs on both a vista and a win 7 machine. It seems that some security setting is playing tricks with me. How can I troubleshoot this?

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• Make Google Chrome "Application" Windows Use High-Quality Icons in Windows 7

  - by The How-To Geek

  Whenever I use Google Chrome's "Create Application" shortcut (which I heavily use, and recommend), the icons shown on the Windows 7 taskbar are really blurry, probably the result of the 16x16 favicon being stretched out. I'd like to be able to replace these with another, high-quality icon, but even when I replace the cached file, it doesn't update for some reason. For reference, here's the path to the icon, for Gmail, at least. I'm also using the latest Dev channel version of Chrome. %USERPROFILE%\AppData\Local\Google\Chrome\USERDA~1\Default\PLUGIN~1\GOOGLE~1\mail.google.com\https_443\icons#desktop\

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• IIS6 can't find site on local network

  - by chezy525

  I have a windows 2003 server with dual NICs running IIS6. I can access everything remotely, but the internal network can't seem to find the site regardless of which IP Address I try to go to. There are really several weird things that are happening here, but I'm going to limit this question to what I'm guessing to be the simplest problem (the solution to which I'm hoping solves other things as well): From the server itself, I can access the webpage using the primary IP address (i.e. http://192.168.1.2/index.htm), but not using the secondary IP address (i.e. http://10.10.10.2/index.htm). Self pinging both IP addresses works, and the "Web site identification" in IIS has the IP address set to "(All Unassigned)"... which I believe should bind both IP addresses to this site. I apologize if I'm not providing enough details about my setup, but at this point I don't even know what's relevant...

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• How can I remap control+e to escape+control+e in iTerm2?

  - by cwd

  I have set up a few custom keyboard shortcuts in iTerm2 to easily move the cursor around with the arrow keys, but now I'd like to remap control+e to be escape, control+e because bash 4.2 no longer auto-expands variables using the tab key. I know I've done the first part correctly in choosing the keyboard shortcut to remap, but I don't understand how to look up the correct escape sequence (or hex codes) to send in the bottom section: I reference they keyboard codes but that wasn't much help. How can I remap this, and how can I look up the codes in the future? (No luck with Google) Update @db - thanks. To save others trouble I also found a cool util Key Codes.app which can be used to find key codes:

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• Windows Server 2003 stops sharing a folder when the server reboots [closed]

  - by evolvd

  I have a file server that will stop sharing a particular folder once the server is rebooted. This problem happened after the server went through a p2v migration. There are no events that seem to correlate to this issue. I was reading http://support.microsoft.com/default.aspx/kb/870964 but I don't think this applies and there are other shares on the same drive that are still there after a reboot. To be clear about the issue; When the server reboots share x is no longer shared any more but share y and z are still there. This has nothing to do with users not being able to see the share. On the server its self the folder that was shared is no longer shared. I wish I had more information to post but after hours on this issue I can't find a way to move forward.

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• MAMP and WordPress - Theme is gone

  - by ninjaboi21

  Hey SuperUsers, I hope this is the right section to post this kind of question. If it's not, I am sorry. But to my question: I created a working WordPress blog, running locally with MAMP Pro. I wanted to share my site, and thought I would go public with it, but self hosted. I signed up at DynDNS for my domain and got it working. People can connect, myself included of course. But here goes my problem: Everytime I try to access my website (**.dyndns.info:8888), I am able to access it, but the theme and pictures are gone, so it's only pure text with some links. I can provide a picture of the website if you want it? But what is it I am doing wrong? I tried to enable Web Sharing, but that didn't make a difference. Thank you so much if you can figure this out!

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