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• How to open embedded Visio files with only Visio Viewer?

  - by Christopher Galpin

  For some bizarre reason Visio Viewer seems incapable of opening vsd files when they're embedded within a (2010) Excel document: However if I open the Excel document with 7-zip, browse to xl\embeddings, extract oleObject1.bin and rename it to a .vsd file extension it opens perfectly fine with Visio Viewer in Internet Explorer. Since this opens fine on a computer with the full Visio installed, my guess is it's trying to launch Visio rather than IE. Is there something I can do to fix this? I've been scanning with Process Monitor and searching with RegScanner comparing a Visio-installed system to a VisioViewer-installed system and there doesn't actually seem to be any sort of registry value giving direction here... maybe it's just the nature of OLE. (If it can't be fixed I'm okay with converting the extracted one to a .png or so to replace the embedded object, but the "solutions" I've found for vsd to image conversion are very poor or non-working, i.e. buggy code, code with Visio dependencies, or online services.)

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• IMAP/POP won't send allow emails to outside- New Dell PowerEdge T310 running SBS 2011

  - by user779887

  I have a brand new out of the box Dell PowerEdge T310 running SBS 2011. Our employees at our remote offices can't send emails to recipients outside of our own domain. The workstations at the same location as the server aren't having any problem. I would at this time like to say "Thanks a lot" to the super-minds at Microsoft for protecting our email server from rogue computers attempting to send fake emails. (Silly me I thought proper login and password conventions would handle that.) I know this is something dealing with relaying but thus far nothing from any posts I've read have changed anything. Honestly, if someone is crafty enough to guess one of our login/password combos, let them send emails through our server I don't care!

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• Pros/cons to turning off cable modem

  - by Jay

  A little off the wall perhaps, but ... I have a cable modem and a router for a wireless home network. Is it a good or a bad idea to turn it off at night and during the day when we're all at work or school? Or should I leave it on 24/7. I was thinking that leaving it on constantly makes me more vulnerable to hackers, not to mention wasting electricity. (Though I'd guess the amount of electricity used by a cable modem and a router is probably pretty trivial. Still, every little bit helps.) When I have turned it off and turned it on again, it takes several minutes for it to go through its little dialog with the cable company and get me connected to the Internet again, which is annoying but not a big deal. Anyone know any good reasons one way or the other?

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• How can I make the iTunes podcast count ignore selected podcasts?

  - by Relequestual

  Hi all, Until recently I have only listened to news type podcasts with people talking, like TWiT and Security Now. I also like music, so decided to subscribe to some other music related podcasts, however I don't want these to appear in my podcasts count in iTunes on the left hand side. I downloaded a load of old ones from the music related podcasts, and now I can't see at a glance how many news podcasts I have to listen to. I know it sounds really picky, but if it can be done, I would be a little bit happier. Of course I did some googling, but turned up a blank. Would guess it needs some form of plugin. Using the latest version of iTunes at the time of posting. Thanks in advance.

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• CentOS / Redhat: Give file permission for apache and vsftp

  - by paskster

  I use CentOS 5.5 and Apache Webserver on my dedicated Server. My Folder "/var/www/myWebApp" is owned by apache, so that apache can read, write logs, etc.. But now I would like to use very secure FTP (vsftp) to upload my new files. I used to give every user rwx -Acess to "/var/www/myWebApp", but I guess this is way to insecure. On CentOS I created another user "ftpuser" for uploading files and that has "/var/www/myWebApp" as its home directory. How can I give him the permission to write into the "/var/www/myWebApp" without giving every user the same rights?

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• How can I set up sendmail to forward all mail to an external MTA?

  - by unknown (google)

  We have multiple applications that currently talk SMTP to an external MTA. The emails have arbitrary destination domains (they're emails to be sent to our users), but all from the same internal domain ([email protected]). I want to set up an internal MTA (i guess with sendmail) that queues all mails, and have the internal MTA forward these emails to the external MTA, because the external MTA occasionally goes down and this causes various problems in our applications. I figure I can set up sendmail as a queuing middleware. If the above assumptions are correct, what would the sendmail configuration look like? The 'mailertable' feature looks promising, and so does 'SMART_HOST'. Any thoughts before I explore these possibilities? Jae

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• How to stop blanking screen although I am active on Ubuntu Karmic on old IBM Laptop

  - by Glen S. Dalton

  How to stop blanking screen although I am active on Ubuntu Karmic on old IBM Laptop 600E? After some time of working on the machine the screen goes blank. When I hit ESC on the built-in keyboard (not on the attached USB keyboard where I work) it comes back and everything works fine until the next screen-blanking. I suspect it is some power management issue. When I use an old keyboard that has a ps2 connector it does not happen. So my guess is that the usb keyboard does not update the power management timer that detects when the session was last used? I am using fluxbox window manager. I do not want to disable power management because it is nice that the fan only works at the necessary speed (the fan spped is regulated which I can hear) But I could disable power management for testing purposes.

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• Keeping websites from knowing where I live

  - by D Connors

  This questions is related to issues and practicality, not security. I live in Brazil and, apparently, every single website I visit knows about it. Usually that's okay. But there are quite a few sites that don't make use of that information adequately. For instance: Bing keeps thinking that Brazilian pages are way more relevant to me than American ones (which they're not). google.com always redirects me to google.com.br Microsoft automatically sends me to horribly translated support pages in Portuguese (which would just be easier to read in English). These are just a few examples. Usually it's stuff I can live with (or work around), but some of them are just plain irritating. I have geolocation disabled in Firefox, so I guess they're either getting this information from my IP or from Windows itself (which I bought here). Is there a way to avoid this? Either tell them nothing or make them think I live somewhere else?

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• Fixed expired accounts in Oracle 11g

  - by Álvaro G. Vicario

  I have an Oracle 11g server that's used for PHP development. Recently, I had a problem logging into the Enterprise Manager due to expired passwords. I've already changed settings so passwords no longer expire and I've unlocked all users. However, the user manager shows most built-in users as expired. How can I fix that? (If I just set a password for each expired account I guess that whatever services are using it will no longer be able to log in.)

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• Changing linksys router configuration from command-line

  - by Dan

  I am constantly logged into (ssh'd) my home machine (ubuntu) from various remote locations. Sometimes I would like to change my home linksys router settings (change the port forwarding settings or disable/enable wireless, things like that). When I try and use the links2 text browser, there isn't much I can do because the tab titles don't show up (presumably because they are pictures?). Is there another way of configuring a linksys router from a command line? I guess my only other option is to set up a proxy on my home machine and use a browser connected to that proxy to configure it, but I would think there might be a non-browser way of doing it. Thanks

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• Starting Redmine at boot using upstart on Ubuntu

  - by joekr

  So after installing redmine from the repositories on Ubuntu 12.04, i've tried to create an upstart script (see below) so it would start up at boot time. While service redmine start does start redmine, it does not start automatically when booting. Also when i run service redmine stop it does stop redmine but simply hangs until i press ctrl+c Also, after stopping starting it again does not work (Also just hangs). From all the upstart examples and tutorials i have seen this should work, so i guess i'm overlooking something. Any hints ? #Redmine description "Redmine" start on started networking stop on stopping networking stop on starting shutdown console output expect daemon exec ruby /usr/share/redmine/script/server webrick -e production -b 188.40.184.155 -p 3000 -d respawn EDIT: Fixed "typo"

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• Block access to certain websites from other computers on shared internet connection

  - by Dheeraj V.S.

  I have very little knowledge about networking. I have an internet connection on my PC (running Windows XP). I've enabled internet connection sharing to other computers on my network connected using a WIFI router. I want to block use of GMail (in general, specific domains) from other computers, but should be able to access them from my own machine. I can't edit my hosts file because my machine too would lose access. I guess I need to configure my wireless router for that. But I have no idea how to do so. My wireless router is a Zyxel P-660HW-T1 v2. I'd appreciate any pointers.

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• Virtual PC - Display Issue with Ubuntu Server

  - by Christopher R

  Hi Everyone, I just did a clean install of Ubuntu Server 9.04 in Virtual PC on the Windows 7 RC, and it seems to be having a bit of an issue with the virtual machine's display adapter. I've tried setting a VGA flag in the GRUB configuration to no avail. This is a guess, but I think it has something to do with the color console mode that gets enabled by default at boot time. The system starts booting just fine (i.e. the console looks "normal" when I'm asked to enter an LVM passphrase, etc.), but then the display goes wonky after a few seconds and I end up with this. Typing commands in bash works just fine: it's not like the system is frozen or anything, I just can't see anything that I type. The console looks exactly the way it does in the image below.

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• Upgrading Windows 8 Consumer Preview to Release Preview

  - by user1407016

  I currently have my main hard drive split into two partitions. One being Windows 7 with about 600 GB of memory, the other Windows 8 Consumer Preview with about 50 GB. As you can guess it is set up for a dual boot. Today while looking up how to get the C# Facebook SDK for Metro apps I learned about the Release Preview being released. I was wondering: How do I go about getting rid of Windows 8 Consumer Preview and replacing it with the Release Preview? I know i can't just wipe it off my second partition because the dual boot uses Windows 8 to choose the operating system to boot.

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• Color Management, Linux, Photoshop C2 via Wine

  - by Kyle Brandt

  I am new to Color Management CMS, so doing it on Linux, and then throw Wine into the mix ... and I am a little lost. However, I have Photoshop CS2 running okay with Crossover Professional on Ubuntu 9.10. I have a Canon 450D (Rebel XSI) and I imagine I will be able to find a profile for my printer. I ordered a Huey Calibrator (yet to come). I guess I will run into problems with Nvidia Twinview, but one calibrated monitor is good enough for now. Am I going to be able to get color management from Camera -- Monitor -- Print? Most specifically, when I get the Monitor profile loaded with something like xcalib, will Photoshop CS2 run through wine (crossover Pro) understand that? Will I need to select specific things / profiles in photoshop under the edit::Color Settings menu? I found several pages on http://jcornuz.wordpress.com/ helpful, but am wondering about the Wine issue, and anything else anyone can do to help.

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• Public folder emails not being delivered

  - by Rob

  Hello, We have just introduced an Exchange 2010 installation into our existing Exchange 2003 (all standard) environment. We make a lot of use of our Public Folders in 2003, so I am wanting to make a small PF tree in the 2010 system to test some applications against. I have created a few public folders in the 2010 public folder management tool, and mail enabled them, gotten email addresses, etc. However, mail will not be delivered, it queues on my existing 2003 Exchange server's 'Local Delivery' queue, and eventually times out and bounces. I guess the Exchange 'system' including the new 2010 server thinks that all public folder email must need to be delivered to the old 2003 server. Is it possible for me to have two public folder databases that each receive mail? If so, is there something I am missing to enable this? Thanks -R

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• Have you ever used kon-boot?

  - by Ctrl Alt D-1337

  Has anyone here ever used kon-boot? I guess it may work because of the few blog posts about it but I feel kinda concerned and am interested at hearing experiences from anyone who have used multiple times with no side effects. I am slightly worried for any direct memory altering it tries to do. I am also worried if this will do its job fine to hide the fact it puts in a low level trojan or if the author planned to do anything like that in a future release as it looks like closed source from the site. Also I don't intend to gain illegal access but I find these sort of things very useful for my box of live discs I take every where, just in case. OT: Other question that me be of interest to readers here

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• How to rotate log files when running pyapns and twistd

  - by Henrik

  I use pyapns (Iphone push server) which in turn uses twisted (twistd daemon). twistd daemon produces twistd.log files. It rotates them to twistd.log.1, twistd.log.2 and so on when twistd.log reaches 1MB but it doesn't use logrotate so I guess it's built in. The problem is that this continues forever and that old log files are never deleted. This eventually fills my disk. I've tried to use logrotate or similar to rotate the logs, but then I would need to run logrotate very very often since I need to rotate BEFORE twistd.log reaches 1MB. This could happen within a second for all I know depending on how much log is produced. So how could I logrotate without hacking pyapns/twistd scripts?

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• Recommended RAM and disc space for Oracle 11g on Windows

  - by Álvaro G. Vicario

  I need to provide the recommended amount of RAM and disc space (divided in two partitions) so the customer can create an appropriate virtual machine to run Oracle. All I could find in the documentation was a brief listing with minimum RAM and typical/advanced install types. The virtual machine will run latest Oracle Standard Edition One (11g release 2 so far) under Windows Server 2008 x64 and will host a reasonably low traffic web application. How much RAM and disc must I ask for in order to be safe? (Feel free to ask for further details if I've omitted something relevant.) Update: Rough estimations: Database size: 10 MB after installation Growth rate: +3MB per day on average Size of database 'active' data: (not sure of what this means, there's not actual archive so I guess all data is current) Amount of data written per second in peak hours: a few KB Number of client sessions: 3 or 4 at most Frequency and response size of most heavy requests: some reports make heavy table JOINS that need up to 20 seconds to complete but they won't return more than a few thousand rows with plain text. The app also handles BLOBs (typical size from 50KB to 200KB)

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• Microsoft mouse like windows switcher (or anything usable)

  - by Fujishiro

  I tried "Switcher" and the new switcher by NTSoft... but none of them are for my taste. I want to have a switcher like what you get with an Intellimouse by Microsoft. You know, press the button and get a cool tiled layout of thumbnails. To be precise, anything is fine with me. But: - No AERO need(I seriously hate it.); - Be able to switch between apps by mouse; - Be able to make them come up in a cube (not just a row); ... uhm. I guess I summed up everything I want. (In a nutshell: A usable alt-tab/window switcher. ^^").. Thanks in advance.

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• Disable Offline Files (mobsync.exe) on Windows 7 Home

  - by Synetech

  This morning I was watching the CPU graph of a Windows 7 Home laptop and noticed that every few seconds, the CPU would spike several percent. I watched the processes and determined that it was mobsync.exe (Offline Files) that was the culprit. I tried the usual steps that Googling turns up, and clicking the Manage Offline Files link to bring up the Offline Files dialog to click Disable Synch does not work because the dialog will not display. This makes sense since everything I have read indicates that Offline Files is not even included/supported in the Home version, so I am at a loss as to why it is running at all, let alone why it is sucking up CPU cycles. (My best guess is that it was started when they pressed Win+X to access the Mobility Center.) Of course I can just kill mobsync, but it could always just come back. How/why would mobsync be running on a Home version and how can it be disabled (of course the Group Policy editor is not available on a Home version).

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• How to configure nginx to serve static contents from RAM?

  - by Vijayendra Tripathi

  I want to set up nginx as my web server. I want to have image files cached in the memory (RAM) rather then disk. I am serving a small page and want few images always served from RAM. I dont wish to use varnish (or any other such tools) for this as I believe nginx has a capability to cache contents into RAM. I am not sure as how may I configure nginx for this? I did try few combinations but they didn't work. nginx uses disk all the time to get images. For example, when I tried apache benchmark to test with following command - ab -c 500 -n 1000 http://localhost/banner.jpg I get following error - socket: Too many open files (24) I guess this means nginx is trying to open to many files simultaneously from the disk and OS is not allowing this operation. Can anyone please suggest me a correct configuration? Thanks for considering this message.

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• Using a MiFi via WDS

  - by Joril

  I have a Huawei R201 MiFi connected to the internet, and I'd like to use its internet connection even from devices that don't have WiFi, so I grabbed a wireless router I had lying around and configured WDS so that it'd connect to the MiFi, and this is working nicely (I can ping the MiFi from the router web interface). The next step was connecting my PC to the router via ethernet cable, but now I'm stuck... The PC can ping the router, but not the MiFi (they're all on the same subnet). Since the router can ping the MiFi, I guess this is some kind of routing issue? Should I get a more "flexible" router, such as one with DD-WRT maybe? Is what I'm trying to do even possible? (For the record the PC is running Lubuntu 11.10)

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• Is it normal for Java /Tomcat to keep checking for java_pid<nnnn>.hprof?

  - by Chris

  I was monitoring my JVM running Apache Tomcat 6, running on Windows, and I noticed that every 3 seconds or so the JVM process (C:\Tomcat\bin\tomcat6.exe) is polling to see whether or not C:\Tomcatcat\java_pid3748.hprof exists, where 3748 is the Windows process ID. I haven't seen write to the hprof file, just test for existence. (I'm using Sysinternals Process Monitor (procmon.exe) for this monitoring. In procmon the polling shows up as a QueryDirectory operation, which always returns Result "NO SUCH FILE".) Is this normal, or is this a potential red flag? I gather that these hprof files are generated, perhaps among other times, when you enable the -XX:+HeapDumpOnOutOfMemoryError Java flag. I haven't enabled it myself, though I guess it could be enabled somehow in the Tomcat startup scripts.

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• Change Windows Server 2012 color scheme without Desktop Experience feature

  - by Fez Vrasta

  I have a Windows Server 2012, blue is nice... but I'd prefer a less "eyes puncher" color, maybe gray or black... I'm a GNU/Linux sysadmin and just the fact of have the entire GUI on a server is difficult for me, so I would avoid to install the Desktop Experience feature just to change the color of the GUI. I have read here: How to change color scheme in Windows Server 2012 That once I've changed color I may remove the Desktop Experience feature and the color will not be reverted to the original. So I guess there must be a way to change the color without install this feature pack, because looks like it just adds the control panel to set the color, but not the core feature, that maybe could be accessible within some registry key. Does someone have some idea?

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