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• Merge only a one remote branch into a local branch with Mercurial

  - by Pepijn

  I wan to manage some profiles as XML files in Mercurial repos. The setup I'm thinking of: Each user has a repo with a branch where he manages his own profile, and a number of branches where he can pull and merge other profiles from that branch of another user. So for example I have my own profile branch and a branch labeled friends, in which I want to pull the profile branches of a few remote repos, to collect like a collection of profiles. I figured out that since the repos are unrelated I need to use -f, but I can't figure out how to pull and merge only a single branch into another. So I want like me friend someone profile ---> friends <--- profile \-> family friends <--- profile Is this even possible? Should I use separate repos instead? Is there a better solution?

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• Detecting man-in-the-middle attacks?

  - by Ilari Kajaste

  There seem to be many possible ways to create man-in-the-middle attacks on public access points, by stealing the access point's local IP address with ARP spoofing. The possible attacks range from forging password request fields, to changing HTTPS connections to HTTP, and even the recently discovered possibilit of injecting malicious headers in the beginning of secure TLS connections. However, it seems to be claimed that these attacks are not very common. It would be interesting to see for myself. What ways are there to detect if such an attack is being attempted by someone on the network? I guess getting served a plain HTTP login page would be an obvious clue, and of course you could run Wireshark and keep reading all the interesting ARP traffic... But an automated solution would be a tiny bit more handy. Something that analyzes stuff on the background and alerts if an attack is detected on the network. It would be interesting to see for myself if these attack are actually going on somewhere.

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• Multiple domains, one config, hosted on apache2

  - by Kristoffer Sall Hansen

  First a quick disclaimer, I'm not a 'server guy' or a 'unix pro' or anything like that, I'm a web programmer who got stuck doing server works since I ran linux (ubuntu) on my netbook. I'm trying to set up an apache server running on Debian to automagically serve multiple domains, each domain needs to have its own directory in /var/www. Since this is the last thing I do for this company I really need it to be easy for my successor (who is even more a beginner at servers than I am), to create more domains without having to muck around with ssh or /etc/apache2/sites-available, so what I'm looking for is basically any magic mumbo-jumbo in default (or apt-get, or conf.d) that makes the server start serving any domain that has a matching folder in /var/www they will ofcourse have to initiate domain transfers the usual way. I have no problem setting up domains individually. Ick... hope the above makes sense to someone.

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• How do I change the font formatting of cells in Google Spreadsheets?

  - by NoCatharsis

  I am trying to add checkboxes to a spreadsheet in Google Spreadsheets. I found an interesting solution to this problem here in Google's help. The second post on that thread states you can just format the cell to Wingdings 2 and certain characters will correspond to a checkbox. Now the problem is I have no idea how to change the font of a cell, as the Format menu only has 6 font options. How can I add or use other fonts? Bonus question: Is this even the best way to do what I'm trying to do, considering Google Spreadsheets does not support checkboxes or dropdowns?

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• How do I change the font formatting of cells in Google Spreadsheets?

  - by NoCatharsis

  I am trying to add checkboxes to a spreadsheet in Google Spreadsheets. I found an interesting solution to this problem here in Google's help. The second post on that thread states you can just format the cell to Wingdings 2 and certain characters will correspond to a checkbox. Now the problem is I have no idea how to change the font of a cell, as the Format menu only has 6 font options. How can I add or use other fonts? Bonus question: Is this even the best way to do what I'm trying to do, considering Google Spreadsheets does not support checkboxes or dropdowns?

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• Can I use a display driver from Windows 8 in Windows 7?

  - by adam0101

  My latest display driver doesn't support WDDM 1.0, and I need it to be at least version 1.1. I've been attempting to get the Windows Phone 7 SDK working on my HP Pavillion dv9000, but the phone emulator requires 1.1 or higher. My drivers are as up-to-date as they can get. I even tried a modded driver found here, but no go. Then, while evaluating Windows 8 Developer Preview on a different partition I noticed that dxdiag.exe showed it was using WDDM 1.2. I tried installing Windows Phone 7 SDK on Windows 8, but I get an "Internal Error" popup and "Connection failed because of invalid command-line arguments" in the error window in Visual Studio. I'm guessing because Windows Phone 7 SDK isn't supported on Windows 8 yet. So my question is this: Can I get Windows 7 to use the display driver Windows 8 is using to get WDDM 1.2 on Windows 7 and how would I go about doing it?

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• Digital audio input on Macbook?

  - by Ken

  I have: a Macbook (not Pro), don't know the exact model but it's a Core 2 Duo 2.0GHz and probably what Wikipedia calls the "Late 2006" or "Mid 2007" model a DVD player, region-free, that has "Coax and TosLink optical digital audio outputs" I want to make an MP3 of the audio track of some DVDs (for learning a new language), and I can't use the Macbook's built-in DVD drive because it's a different region (ugh!). I'm sure I can connect the DVD player to the Macbook with an analog audio cable. However, if it's possible I'd prefer to keep the signal digital. I'm not even positive if my old Macbook has digital audio in, and if so what I need to connect to it. (I've done plenty of home audio geeking, but always in analog!) Will a "Toslink cable" plus a "Toslink Female to Mini-Plug Male Adapter" (found on Amazon) let me connect my things together? It looks like the pieces will fit but I'd like to hear someone confidently knowledgeable on the matter before I buy something. Thanks!

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• Multiple domains, Exchange 2010, mailbox access via OWA

  - by Rob

  We currently run two separate domains where our new implementation of exchange 2010 is currently on a separate domain the users. My problem is: [email protected] cant access his mailbox at joe@domainb via OWA even though full access and sendas has been granted on domainb's mailbox to domaina's account. I keep receiving the error: Access is denied. The Active Directory resource couldn't be accessed. This may be because the Active Directory object doesn't exist or the object has become corrupted, or because you don't have the correct permissions. anyone able to help please? Take care

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• Sync Chrome bookmarks to Delicious

  - by becomingGuru

  I use Google Chrome. I love the snappy and fast feeling. I thought I will miss the add ons of Firefox. But, not really. However, I used to use delicious actively and want to continue to do the same. I miss syncing my bookmarks with delicious. What is the simplest way to sync Chrome bookmarks with delicious? Addition: I see and understand that there are no good "add-ons" per se. I don't mind even a simple cron that I can schedule every day. May be I just have to write one, after all.

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• how to lower CPU usage for Ableton Live 8 in Mac OSX 10.6.8

  - by Travis Dtfsu Crum

  While running Ableton Live 8 after a project gets to a certain size, the audio starts to get a bit choppy and distorted. My levels are fine and is not the cause of the lag and chop. I have samples set to 1024 and the high quality button selected which I need to hear the sound. I always lower these when I'm recording audio with my mic but I need to have these turned up to be able to mix master the song. Anything I can do to lower the CPU usage? It sucks because I can't even use my iZotope Ozone plug-ins because of their CPU usage and they are AMAZING plug-ins that I would love to use.

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• Internet (Flash) video without a PC

  - by Rob Allen

  I am looking to retire my HTPC. So much of what we do with it can be done with one of our video game consoles or an AppleTV that is seems like a waste of space, power and time to maintain. The trouble is that my wife does streaming yoga classes served up via specific websites. I am assuming they are Flash based and so far I have been unable to find Apps for these content providers. My question is, is there a GOOD way to handle flash-based or even HTML5/h.264 web content with one of the other Internet enabled devices in our stack? So far we have: Nintendo Wii Playstation 3 XBox 360 And we're looking to purchase a current generation AppleTV. update The sites are YogisAnonymmous.com and YogaJournal.com, both are confirmed as Flash.

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• Cancel table design change in SQL Server 2000

  - by Bryce Wagner

  In SQL Server Enterprise Manager and change one of the columns and save it, it will create a table with the new definition, and copy all the data to that new table, and then delete the old table when it's done. But if your table is large (let's say on the order of 100GB), it can take a long time to do this. Even worse, if you don't have sufficient disk space, it doesn't notice ahead of time, and it will spend a long time trying to copy the table, run out of space, and then decide to abort the process. We have other ways to copy the data in smaller chunks, but those require significantly more manual intervention, so it's usually easier to just let Enterprise Manager figure it out, as long as there's enough disk space. So for a long running "Design Table" save like this, is there any way to cancel once it's started? Or do you just have to wait for it to fail?

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• IIS load balancing and site deployment

  - by KLC

  Hi, currently I have a site sits on one IIS7 server. When we deploy a new version of the site, we bring the site down and display an offline page. What I really want is have two same exact copies of the site sits in one IIS 7 server and load balance users among both sites. when we deploy a new version of the site, we will bring site1 down (users in site1 automatically routes to site2 on next postback), when site1 deployment is complete, bring site2 down (users in site2 being routes to site1 on next postback). is this even possible?

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• Windows Server 2008 R2 64bit Screen Frozen and Remote Desktop Freezes but Server Continues Working

  - by Jacques

  I've asked this question a couple of times but I don't seem to be getting any real answers. We have a SBS (Windows Server 2008 Rc) server and suddenly the screen has started freezing. Even when we go into the system via remote desktop it worked once or twice (since the problem started), but now the RDP screen freezes once it gets just past the Welcome screen. The server itself is running, SQL is working, Exchange is working, file share is fine. It's just the UI that isn't working. We've tried hard resetting and that works for a short while before the problem comes back. Where do we begin to resolve this issue? Thanks, Jacques

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• Ultra Low Latency Linux Distribution or Kernel

  - by Zanler

  I'd like to know if there are any linux distributions that are focused on low latency networking. The area I'm working in is algorithmic trading, and extremely low latency comms between machines is a must. The current h/w we're using is 10g ethernet, we're looking into things like infiniband RDMA and Voltaire VMA I've googled around, and have only been able to find tidbtits of kernel patches, command line options and hardware suggestions. I'm looking for a complete solution, specially built kernel, kernel bypass features, essentially all the goodies rolled up into one package - does such a thing even exist? I ask as a lot of this stuff seems to be a black art, people keep secret what they know works etc.

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• Ultra Low Latency Linux Distribution or Kernel

  - by Zanlor

  I'd like to know if there are any linux distributions that are focused on low latency networking. The area I'm working in is algorithmic trading, and extremely low latency comms between machines is a must. The current h/w we're using is 10g ethernet, we're looking into things like infiniband RDMA and Voltaire VMA I've googled around, and have only been able to find tidbtits of kernel patches, command line options and hardware suggestions. I'm looking for a complete solution, specially built kernel, kernel bypass features, essentially all the goodies rolled up into one package - does such a thing even exist? I ask as a lot of this stuff seems to be a black art, people keep secret what they know works etc.

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• HDD is not recognized/initialized via USB, only via SATA - is a reformat through USB a bad idea?

  - by Wuschelbeutel Kartoffelhuhn

  I have a 4TB Hitachi HDD that I purchased in Europe (I use it as a backup disk); I use Windows 7. When I connect it to a SATA port, it is recognized in Windows Explorer and gives no problems, even after transferring 3TB at a time or after being on for days. When I connect it via a SATA-to-USB2.0 adapter, it is also recognized, but when I transfer a large amount of data, it will intermittently stop being recognized by Windows Explorer and cancel the transfer. When I connect it via an external enclosure (which is technically a SATA-to-USB3.0 adapter), it does not display at all in Windows Explorer, but Disk Management will show the drive, albeit uninitialized (prompts for format). I only got the external enclosure because I want to backup my files more conveniently (instead of having to open the computer case each time). Do you advise against reformat/initialization via the external enclosure? Can it screw up things in an irrevocable way (Master Boot Record etc.)?

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• how can I effect DNS Caching on PHP/Memcache application

  - by Niro

  In a very high loaded Ubuntu/PHP web server I found that the PHP line: $memcache-connect("int-aws_ec2.memcached.myapp.net",11211); sometimes takes ~5 secs. Replacing the url with the ip address decreases the server load from ~20 to 0 My question is - where are the settings that effect the DNS caching for this? Is it in the server level or the memcache library ? How can I change it ? Additional info: Ubuntu 10.04 lucid PHP: 5.3.2-1ubuntu4.10 Apache/2.2.14 (Ubuntu) Amazon EC2 Even more info per Celada's comment: The DNS handling for the memcache server is done by scalr (the platform I use to manage the cloud resources). They have a client located on the instances and their own DNS servers. /etc/nsswitch.conf - hosts: files dns /etc/resolv.conf: nameserver 172.16.0.23 domain ec2.internal search ec2.internal The domain is not in hosts.conf To check if I run nscd I used /etc/init.d/nscd stop and received 'no such file' so i guess I dont run nscd. Thanks !

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• How to tell if PAE is hurting me?

  - by James

  I have a couple of servers with 20-30 GB RAM that are running (a variant of) RHEL4. They are currently running the SMP i386 kernel, not x64, not even the hugemem kernel. This means LowMem is confined to < 1G, and thus dentry_cache and ext3_inode_cache to 100M or so each. How can I tell if this is a problem? Here's a typical vmstat report while it's compiling some Java: $ vmstat 10 procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 1 1 0 19493816 394740 922420 0 0 1058 2292 1491 1020 6 3 80 12 2 1 0 19519480 395244 850156 0 0 1179 1412 1329 1195 9 4 75 12 1 1 0 19557368 392616 828344 0 0 1783 1680 1498 1756 14 5 72 9 I don't like the way bi is nonzero when there is so much memory free. I imagine slabtop could point more directly to the problem but I don't really understand how to interpret its output.

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• HOSTS File Edit in Windows 7 Not Effective - Pinging URL Still Shows Original IP Address

  - by Sootah

  I've edited my HOSTS file on my Windows 7 Ultimate PC to re-route a couple of URLs so that they point to 127.0.0.1, but after saving the file (and re-opening to verify the changes were written) and pinging them they still reply with the actual IP instead of being redirected to 127.0.0.1 as they should be. At least, that's how it worked in XP, Vista, etc. I even went so far as to restart my DNS service on the machine via services.msc; but no dice. So - I would imagine that Windows 7 keeps the HOSTS file there for legacy purposes and doesn't actually use it anymore. Is there a way to make W7 pay attention to the HOSTS file? In the event that you can't do that, where would I go to edit where these URLs point to? Thanks in advance! -Sootah

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• Static Routes and the Routing Table

  - by TheD

  This is very much a learning question if someone would be happy to explain a couple of concepts. My question is - the default routing table that exists in, in my case, a default Windows 7 install, what do each of the routes in the table do? Here is a screenshot: The 10.128.4.0 is just a route I've added while messing. I understand from a question I posted on Superuser the first route is just a default route that will route all traffic for any IP to my default gateway on my Interface in use. But what about the others? And how would the routing table handle a machine with multiple NIC's, perhaps connected to two different networks, or maybe even two NIC's on the same network so a VM can have a physical Network card instead of each VM sharing the hosts. Thanks!

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• Ubuntu 14.04 VPS won't boot the latest kernel on XEN

  - by aztekk

  I have a XEN VPS and it's been running Ubuntu for some years now. AUtomatic security upgrades are on and I've manually upgraded it continously and also done releas-upgrades whenever there's been a new release. All has been working great! But now, after upgradeing to 14.04 LTS, the VPS won't boot the latest kernel (3.13.0-24) even though it's set to default. It always failback to 3.2.0-60 and for some reason the VPS seams very unresponsive, compared the before. The support wrote in a ticket something about compiling my own kernel, with pvops enabled, but I'm not sure how to do that, or why I should compile my own kernel. Doesn't Ubuntu support to be run on a XEN host?

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• DNS error only in IE

  - by Le_Quack

  Our Intranet page has stopped working on some machines/some user accounts. The error I am getting points to a DNS issue but If I ping the site from the command line the it responds fine. The error I'm gettting on IE is Error: The web filter could not find the address for the requested site Why are you seeing this: The system is unable too determine the IP address of intranet.example.com I'm not quite sure why it mentions the web filter as there is a proxy exception for the intranet page and if I run a trace route it doesn't go via the web proxy (filtering system). Finally it isn't affecting everyone, just random users, also it doesn't affect the random users on all the client machines they use. I have one user where it happens on any client they log onto where most its just certian clients. It's even "fixed" itself for a few peoples. EDIT: hey Mikey thanks for the fast response. Proxies are correct and automatic configuration is off (both via GPO)

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• Ubuntu Not Starting After Installing Software Updates

  - by Prabhu

  I just did a software update on my Ubuntu 9.10, after that it asked me to restart my system which i did and once i did that, grub opend some simple bash shell or something... i dont know how do i run ubuntu now??? Ubuntu 9.10 was installed 1 week back using the wubi installer... which is like a one click install from windows... it is installed on the same partition as winxp... i chose 12 gb hd space while installing ubuntu.. it was working good for 1 week... i decided to do the software updates today morning and now its not even starting!!!

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• How can I tell if ZFS (zfs-fuse) dedup/compression is applied to a particular file?

  - by asari

  I have a zfs formatted partition using zfs-fuse for linux (Ubuntu). I had used it for a while, and then enabled dedup and compression on it (zfs set compression=on/dedup=on). Now I think I have some files that are dedup'ed and compressed, and file that are not yet. It was OK, but sometimes I was confused. Let's see, following command would consume almost 4GB of my zfs storage: cp oldfile.4GB newfile.4GB .. and this would consume almost zero: cp newfile.4GB newfile.4GB.2 This is because the old file is not yet compressed, so dedup not happened, I think. My idea is -- if I can find old files that are not yet dedup/compressed, I can perform batch copy/rename/remove them to eliminate duplicity and redundancy. But how I can check that? I know I can re-copy whole contents of my storage should work (even better with checking the time stamp of each file), but I'd be happier if I have zfsstat-like tool that shows some file properties.

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