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• MacBook Pro 15in High-res hard to read. What setting should I change?

  - by orokusaki

  I just bought a new MacBook Pro with the high-res screen (1680x1050), but I noticed that all text is so small that to read it my face has to be like 18 inches away. When I adjusted the resolution to be the next sizes down (1440 x 852, and 1440 x 852 stretched), as well as all the other smaller sizes it made everything look blurry (similarly to when you use Command + Scroll to zoom in, how the text is really soft on the edges, and difficult to read). Is there a setting somewhere that I'm missing, or another resolution settings area that I can use. I feel like this 2800 dollar notebook may be only good for movie watching otherwise. Thanks in advance.

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• setup Mac Book Wifi interface as Wifi hotspot using specific DHCP option

  - by srjohnhuang

  I want to using my Mac Book as an access point. Besides that I also need to configure its DHCP server to not provide DNS info. For example, Mac Books AP's ssid is "MacBookHotspot". While my iPhone connected to "MacBookHotspot", I want the Wifi info displayed my iPhone would be looked like: IP ADDRESS DHCP(tab) IP Address 192.168.0.1 Subnet Mask 255.255.255.0 Router 192.168.0.254 DNS Search Domains Client ID (key point: DNS filed is blank) Does anyone have any good suggestion? Thanks!

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• What is the best/easiest way to use scripts to analyze network traffic?

  - by yungin

  I'm looking to analyze packets via scripts. I'd like to use something high level. I'm in a mac/linux environment. I'm currently looking at different python+libpcap libraries. Perhaps lua+wireshark too. Maybe tcpdump+bash (but not sure that has a lot of info i can use). I also heard good things about scapy. Not sure. I'm wondering if you have any recommendations? There's quite a few of them out there. What have you found that works best? I'd definitely want something scriptable not something that I need to compile (like c/c++, etc)

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• Setting up Splunk/IronPort WSA

  - by Ciddan

  I recently stumbled across Splunk 4 (by way of an advert on this very site...) and found that it had an "App" that's designed to work with Cisco IronPort WebSecurity and E-Mail Appliances! That's really awesome, because good IronPort reporting is something our IT-dept. is looking for. Anyways - I'm totally lost on how to configure this thing. I've googled like a mad-man to find a guide or such like - but I haven't found anything. Has anyone here set up IP / Splunk? Any tips/pointers?

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• Software for monitoring internal software?

  - by Tyler Eaves

  Is there any good software for monitoring the health of a collection of related software? Requirements are as follows: Web-based, deployable on standard Linux/BSD software. Configurable to support a variety of processes, scheduled at various intervals. Some sort of dashboard interface, for monitoring status, viewing errors, etc. As an example, suppose we have a daily export that's scheduled to run at 6AM each morning. After the export completes, it would POST a status message, saying it had completed, passing in some sort of application key to identify the export. If that status message hadn't come in, by, say, 6:30AM, an e-mail might be sent, that application should go red on the dashboard, etc. Applications should also be able to post error/warning messages. Basically the goal is to be able to monitor all of our internal projects from one system, rather than a multitude of e-mails, log files, etc. I suspect that I'll probably have to end up writing this from scratch, but I just thought I'd ask.

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• CPU's on Hyper-V host system is just idling, even though VM's are at full throttle

  - by Bjørn

  Hello, I have a server that is running Windows 2008 64 bit Hyper-V, with 8 gigs of RAM and Intel Xeon X3440 @ 2.53 Ghz, which gives me 8 logical cores in the performance monitor on the host system. I have set up three Virtual Machines, all running Windows 2008 32 bit. Build server, running Team City Staging server SQL Server, running SQL Server 2005 These three machines are running very sluggishly, they are at 100% cpu even though the host system is barely using any cpu at all, typically below 10% total. Could anyone please give some tips as to the best setup for CPU allocating? Should I have set each server to have two cores, or should I increase this number above the total number of cores on the host? What is a good number to set on the Virtual Machine Reserve and Virtual Machine Limit? Is 8 gigs of physical RAM insufficient for 3 VM's? Thanks for reading. :)

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• Search predictions broken in Chrome - reinstall didn't solve the problem

  - by Shimmy

  I recently changed the default search engine to a custom google search URL (using baseUrl) with some additional parameters and removed all the rest of the search engines, and since then, the search predictions stopped working. I even tried to reinstall Chrome but as soon as I resync, the problem is back! Search predictions are just gone without option to fix!! In IE changing the search provider allows specifying a prediction (suggestion) provider, In chrome, once you change the default search engine, you'll never be able to have predictions again!! This is a terrible bug, I mean WTF!!! Is there any workaround to that? I posted a bug report a while ago but it seems no one looks at it. I'm about to give up on Chrome and go back to IE, the only good thing about Chrome is the Extension market and the AdBlocker (which I can find in IE as well). The perfrormance changes don't matter to me too much. Thanks

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• Apache2 mod_proxy and post-multipart size

  - by Pietro

  Hi, I have Apache2 configured to proxy all traffic directed to a specific virtual host to a local tomcat instance. All is good and fine but for multipart posts larger than ~100kb. Such posts fail on the tomcat end with an exception like SocketTimeoutException. If I connect directly to Tomcat (which listens on a port != 80) then all posts are handled just fine. The Apache virtual host config goes like this: NameVirtualHost * SetOutputFilter DEFLATE <VirtualHost *> ServerName foo.bar.com ErrorLog c:/wamp/logs/foo_error.log CustomLog c:/wamp/logs/foo_access.log combined ProxyTimeout 60 ProxyPass / http://localhost:10080/foo/ ProxyPassReverse / http://localhost:10080/foo/ ProxyPassReverseCookieDomain localhost bar.com ProxyPassReverseCookiePath /foo / </VirtualHost> I tried browsing the Apache2 and mod_proxy docs but found nothing useful. Any idea why Apache2 refuses to proxy requests bigger than X bytes ? Thanks!

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• Toshiba Satellite laptop connected to HDTV

  - by VANJ

  I have a Toshiba Satellite A505-S6014 laptop running Windows 7 64-bit connected to a Toshiba Regza 42" HDTV with an HDMI cable. The laptop has a 16" display and the screen resolution is set to the maximum/recommended of 1366x768. The display output is set to "LCD+HDMI". The display looks fine on the laptop screen but on the TV it is not a "full screen" display, it leaves a good 3" black border all around all 4 edges. When I switch the display to "HDMI only", it is now too big for the TV screen and some of my desktop icons are no longer visible off to the side. What is the best way to set this up? I guess that since a 16" and 42" displays have different native resolutions, a LCD+HDMI mode is defaulting to the optimal size for the 16". But when I set it to HDMI Only, what is the appropriate resolution for a 42" full screen display? Thanks

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• Problems with login scripts on Terminal Server 2008

  - by discovery

  We are having issues with login scripts not running on Windows 2008 Terminal Server. This is a brand new implementation and they have never worked. The test user in question doesn't have any problems running login scripts on their workstation. I have tried logging into the server directly with their account, but still no scripts run. I have setup a test account with Domain Admins rights in the same OU as theirs and the scripts don't run. I can manually run the scripts from the SYSVOL\somedomain.com\Policies folder and they run fine. The Terminal 2008 Server is in a mixed 2003/2008 domain. The user can run the gpupdate on the server without error. I have also run the Group Policy Results for this user and the terminal server and everything looks good, no errors. Any suggestions?

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• SQL Server 2008 Hardware Recommendation;

  - by Jay

  Hi,I work for a large fortune 500 company. We have several SQL 2005 Servers running on DELL Poweredge 2950 with 8 GB RAM and 4 CPU's. Storage is DMX RAID 10. We are in the process of migrating to sql 2008. We are planning on consolidating multiple sql 2005 into single SQL 2008 Server.If anyone can suggest hardware I would appreciate. We have looked at DELL R710, I was wondering if there are other servers that are good for running SQL 2008. Thanks

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• How to get better video quality in Lync?

  - by sinned

  I want to use a ConferenceCam from Logitech to stream talks live via Lync. When I view the RAW webcam image via VLC, the quality is very good (but the latency is high because of buffering). However, when I stream it using Lync, the video gets blurry. Is there a way to ensure QoS in Lync or otherwise improve the video quality to (near-)native? I would rather have some dropped frames than a lower resolution where I can't read the slides. In my setup, I use Lync with an Office365-E3 contract, so I have no Lync-Server in my network. I thought about replacing Lync completely with VLC, but I first want to try Lync because VLC will probably cause firewall issues. Also, I haven't looked up the VLC parameters for less buffering, faster encoding, a bit lower resolution (natively it's more than HD) and streaming.

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• Is there way to use Windows Easy Transfer on Windows Server 2008

  - by CJM

  At work, I'd been experimenting with using Windows Server 2008 as a desktop machine - I'm a s/w developer so some of the server software was particularly appropriate, but back in the day there was a suggestion that Server 2008 would be faster than Vista (mainly because of less bloat). I'm now wanting to move across to a new Windows 7 workstation; not only does Server 2008 not have Windows Easy Transfer, but I can't attack the problem from the Windows 7 end either - when I try to run the migration wizard it claims that the software 'isnt compatible with this version of Windows'. I'd bet that it would work fine, if only it wasn't for the arbitrary version check... Is there any way to coax this software into working? If not, any good alternatives to Windows Easy Transfer - I don't fancy having to manually copy application settings etc across myself...

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• Distributing Files using a Group Policy on Windows Server 2003

  - by tonedeath

  A piece of software that we use at our office has recently moved to a new licensing system. This means that from now on a new set of license key files will need to be distributed to each of our 25 client installations every year. All of the clients run XP and are part of an AD domain controlled by a Windows 2003 DC. I'm already using group policies to deploy software updates. I gather that this is possible with Group Policy Preferences in Server 2008. I'm just looking for a good method using Server 2003. The same set of files need copying to each client. I also have them hosted on a network share accessible by each client. I'm more of a *nix person, so I'm not particularly up on scripting in a Windows environment.

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• How can I re-encode H.264 video with minimal quality loss?

  - by SofaKng

  I have a lot of MPEG-TS files (.TS container but H.264 video) and playback is fine except that when you skip forward/backward or fast forward it's very sluggish and gets pixelated, etc. I've been trying to do research and I'm guessing that they were encoding with very few reference blocks (ie. it's a capture from a DVB-S satellite stream). When I re-encode them with Handbrake (.MP4 container) they play very, very good and seeking in the video is instant, etc, etc. Is it possible to transcode/re-encode my MPEG-TS files with minimal quality loss? If so, what is my best bet? They are each about 2 Mbps (ie. 2 GB per hour) but I don't want to re-encode them if "minimal quality loss" requires 10+ GB per file. I'm hoping to keep the video are the same size. Can anybody give me any advice?

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• Merit and demerits for various Linux fiberchannel multipath options

  - by wzzrd

  On our Linux servers, we currently use HPs qla2xxx drivers, because it has multipathing (active/passive) built in. The are, however, various other options, like Red Hats device-mapper-multipath with the stock qla2xxx drivers (multibus and failover) and things like SecurePath and PowerPath (both of which can do trunking, iirc). Can someone tell me what the merits and demerits of the various options are (if I can ask such a question), besides the obvious fact that the {Secure,Power}Path options cost vast amounts of money? I'm mainly interested in the freely available options, like HPs qla2xxx vs. Red Hats multipathd and possible other open source solutions, but I would like to hear good reasons to go for the commercial solutions too. UPDATE: I'll be benchmarking various options the coming few days (the average of 10 runs of iozone for each option (options being native qla2xxx failver, native qla2xxx multibus, HP qla2xxx failover)). I'll post a summary of results here for those interested.

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• Turn off the Linux OOM killer by default?

  - by Peter Eisentraut

  The OOM killer on Linux wreaks havoc with various applications every so often, and it appears that not much is really done on the kernel development side to improve this. Would it not be better, as a best practice when setting up a new server, to reverse the default on the memory overcommitting, that is, turn it off (vm.overcommit_memory=2) unless you know you want it on for your particular use? And what would those use cases be where you know you want the overcommitting on? As a bonus, since the behavior in case of vm.overcommit_memory=2 depends on vm.overcommit_ratio and swap space, what would be a good rule of thumb for sizing the latter two so that this whole setup keeps working reasonably?

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• How to get rid of Google's language detection permanently?

  - by wabbble

  Using Chrome 15 on Windows (all tho' I've learned it doesn't matter what browser you use), when using a Google product it automatically either translates or redirects to my native language. If I go google.com, I excpect to get the English version of it - that does not happen, instead I have to click on the bottom of the page on the link "Go to Google MyLanguage" and it still does the same thing after closing and opening the browser. Hence my question, how to disable (get rid of, for good) Google's language detection? Maybe there's a work-around?

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• Wireless networking on Gnome on Ubuntu 9 / 10

  - by WaveyDavey

  So here's my problem: I have some netbooks (ASUS eee, and ACER Aspire Ones) that I've been tasked to set up as kiosk machines, locked up tight for normal users. I am a command-line, server man, so this gnome malarkey is all a bit new to me. I found a lovely 9.04 kiosk livecd that installs and runs exactly as I want it to, but I can't get the wireless working. So I dropped on a full 10.4 distro, and wireless works straight out of the box (so hardware is good) - all I needed to do was right-click on the network connection icon, enter my SSID and password (WPA/WPA2) and away it went, perfect. Further investigation on 10.4 distro shows that /etc/networking/interfaces is virtually empty (just auto lo iface lo inet loopback in it), even after I have set up the wireless thru the gnome taskbar applet (is that the right word?). So where does gnome / ubuntu store the network settings to bring the blasted wireless connection up, and what do I need to do on the kiosk version to get wireless running?

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• How to (hardware) RAID 10 on Ubuntu 10.04 LTS with 4 drives and motherboard with RAID contoller

  - by lollercoaster

  I have 4 500GB hard drives. I set up a RAID 10 in BIOS, much like shown here: http://www.supermicro.com/manuals/other/RAID_SATA_ESB2.pdf Then I followed these instructions: http://www.unrest.ca/Knowledge-Base/configuring-mdadm-raid10-for-ubuntu-910 Basically I cannot get it to work. I go through the instructions when I get to the "partition" section of the install, creating 4 RAID 1's (2 partitions on each drive, one for primary and one for swap space), then combining to make a RAID 10. Unfortunately it still shows 2 partitions, one 500 GB and another being 36GB for some reason. Any ideas? I think best would be if anyone had found good instructions (step by step) for how to do this...I've been googling for hours and haven't found anything...

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• Scratched DVD keeps freezin when copying files, even with programs.

  - by Murtez

  Hi, I have a dvd with some family photos that is scratched, the problem is that when i try to copy stuff it reaches certain points and freezes, i'm assuming its the scratches / corrupt data. I've been trying several programs that are supposed to copy corrupt files from damaged media regardless, but they keep freezing when they reach the same points, so no different when with windows. Is there a way to fix the DVD? Or a really really good program that can do that without freezing / allowing windows to freeze? Please help, I don't have any copies of the photos and they are irreplaceable.

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• Problem with accents in Exchange 2010 smtp messages

  - by mickey

  Installing brand new Exchange 2010 server. Everything is working pretty good, except that when we send email from the smtp server directly (not from a windows client like outlook), french accents are being replaced with other (random) characters. We are experiencing this problem with email sent from php and different app that we developped in house. I can reproduce the problem by connecting with telnet to the smtp server on port 25. I've tried searching on the net, but haven't found much. Any idea?

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• The fastest way to encode image+audio for Youtube from command line?

  - by Pavel Vlasov

  I have an mp3 and image and I want to make a simple clip to upload onto Youtube. Is there a fast solution? If video formats are so bad designed, then maybe it is possible to use a prerendered video-only clip? This works good except it takes as much time as the audio lasts: ffmpeg -loop_input -r ntsc -i "%IMAGE%" -i "%AUDIO%" -r 1 -acodec copy -shortest -re -force_fps "%VIDEO%" This takes a second but results in a black screen video that is successfully played by a desktop video player but not acceptable by Youtube: ffmpeg -i "%IMAGE%" -i "%AUDIO%" -acodec copy "%VIDEO%" Windows 7. Preserving audio quality is preferred over video quality.

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• Best practice for authenticating DMZ against AD in LAN

  - by Sergei

  We have few customer facing servers in DMZ that also have user accounts , all accounts are in shadow password file. I am trying to consolidate user logons and thinking about letting LAN users to authenticate against Active Directory.Services needing authentication are Apache, Proftpd and ssh. After consulting security team I have setup authentication DMZ that has LDAPS proxy that in turn contacts another LDAPS proxy (proxy2) in LAN and this one passes authentication info via LDAP (as LDAP bind) to AD controller.Second LDAP proxy only needed because AD server refuses speak TLS with our secure LDAP implemetation. This works for Apache using appropriate module.At a later stage I may try to move customer accounts from servers to LDAP proxy so they are not scattered around servers. For SSH I joined proxy2 to Windows domain so users can logon using their windows credentials.Then I created ssh keys and copied them to DMZ servers using ssh-copy, to enable passwordless logon once users are authenticated. Is this a good way to implement this kind of SSO?Did I miss any security issues here or maybe there is a better way ofachieving my goal?

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• ffmpeg, vlc - Unable to find input stream

  - by zozo

  Good day to all... I have some "little" problems with ffserver and ffmpeg... What I need to do is to broadcast a live video. So I got the cam... used vlc and used send stream option. I sent it to 192.168.1.9:64555, which is a virtual machine on the same computer, running centos. On the virtual machine I run the command ffmpeg -i 192.168.1.9:64555 output.mpg. The response is "unable to find file whatever". Can any1 tell me what I did wrong? Thank you and have a great day. Print-screen with error:

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