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• Opera 10.5 RAM usage and Google Reader?

  - by David

  Hi all, Today I upgraded to Opera 10.5 from Google Chrome and I have two really important questions about it. 1) Is it normal for it to use SO MUCH RAM!!!!? Closing tabs doesn't help, but opening new ones add on to the usage. I can have just 4 tabs open and it goes up to the 300MB mark and I only have 1.5GB in my laptop, 596MB of it used by the graphics card so this really unacceptable. Is there a way to fix it? 2) Why does Google Reader feel so slow and unresponsive on it? It lags so bad when I just try scrolling through the page. I know Opera is known for being really smooth while scrolling through pages. There's also a white bar at the bottom of the page that I can get rid of. It blocks the "Next" and "Previous" buttons. The test between articles is also sort of intersecting each other and that just looks completely unattractive and that's something i'm not used with any web browser. I realize there's a built-in RSS reader, but it doesn't sync across multiple computers and is very late at updating. Here are my specs: Windows 7 Ultimate (x86), Intel Pentium M 1.86 GHz, 1.5GB RAM, ATI Mobility Radeon X600 (64MB dedicated, 596MB shared)

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• Need troubleshooting advice for intermittent dns problems with requests on isp nameservers

  - by Mnebuerquo

  I've been having some intermittent dns problems with a web server, where certain isp's dns servers don't have my hostnames in cache and fail to look them up. At the same time, queries to opendns for those hostnames resolve correctly. It's intermittent, and it always works fine for me, so it's hard to identify the problem when someone reports connectivity problems to my site. My website is on a server running linux with Plesk. My dns records are configured with plesk (so my server is its own dns master). Domain name is registered with godaddy. I'm not real knowledgeable about dns, so I don't really know how to begin with troubleshooting. I've started learning to use dig, but while I can read the manpage to learn the syntax, I don't really know what questions to ask. Since the problem is intermittent I haven't been able to really catalog many symptoms. Symptoms I have observed: Certain people repeatedly reported intermittent problems connecting to my website. This was only from certain networks. (Ex: One guy could connect reliably from his office but not his home.) Sometimes I notice my browser taking a long time looking up the hostname for my site (Firefox shows a message in the status bar at the bottom). For me this is in the ten second range. ssh connections from anywhere to my server take a long time to connect but then seem to work fine once connected. So hopefully the folks on serverfault can point me to a good beginner tutorial for understanding dns, and suggest troubleshooting questions to ask next time one of my users reports connectivity problems.

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• Understanding Security Certificates (and thier pricing)

  - by John Robertson

  I work at a very small company so certificate costs need to be absolutely minimal. However for some applications we do Need to have our customers get that warm fuzzy not-using-a-self-signed certificate feeling. Since creating a "certificate authority" with makecert really just means creating a public/private key pair, it seems pretty clear that creating a public/private key pair FROM such a "certificate authority" really just means generating a second public/private key pair and signing both with the private key that belongs to the "certificate authority". Since the keys are signed anyone can verify they came from the certificate authority I created, or if verisign gave me the pair they sign it with one of their own private keys, and anyone can use verisigns corresponding public key to confirm verisign as the source of the keys. Given this I don't understand when I go to verisign or godaddy why they have rates only for yearly plans, when all I really want from them is a single public/private key pair signed with one of their private keys (so that anyone else can use their public keys to confirm that, yes, they gave me that public/private key pair and they confirmed I was who I said I was so you can trust my public/private key pair as belonging to a legitimate third party). Clearly I am misunderstanding something, what is it? Does verisign retire their public/private key pairs periodically so that my verisign signed key pair "expires" and I need new ones? Edit: I learned that the certificate has an internal expiration date and it also maintains an internal value stating whether it can be used to sign other certificates (i.e. sign other private/public key pairs stored as certificates). Can't I get a few (even one) non-signing certificate signed by someone like verisign that I can use for authentication/encryption without a yearly subscription?

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• Network share not always available on Windows 2003

  - by JP Hellemons

  Hello everybody, we have a windows 2003 server with a shared directory/folder. I've seen this thread but this wasn't any help: http://superuser.com/questions/58890/the-specified-network-name-is-no-longer-available I have a ping -t running from 3 pc's (vista and two windows 7) they all work. the problem occurss when two users enter the network share then this 'network share is no longer available' appears and the explorer windows turn white. after f5 or refresh the shared directory is back. this is really strange. there is no anti virus or kasparsky running on either end. this is all in the same LAN. the internet connection is really stable, so it's really strange. because a stable internet connection should imply that the local network connection is also stable and that this is a windows issue. can it be a router issue? I have checked the eventlog on the server for diskfailure related messages, but there are none. EDIT: can this be related to mapping a shared directory to a drive letter? and that there is a router between me and the mapped network drive? or is it just windows that is not working well with two users on the same shared folder? should I install samba or something?

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• Linking to network shares from Sharepoint pages

  - by Russell C

  So the place I work decided to set up a Microsoft Sharepoint 2010 server for task management and I (as the lowly entry-level intern) have been tasked with "figuring it out." One thing that the end users really, really, really, want is the ability to link to network shares (that are readable by anyone who will be using sharepoint) from a Sharepoint web page. In order to do this, I have edited the HTML manually with several lines that look like the following: <a href="file://server/share">Server Share</a> This works (sometimes) but the link reported by Sharepoint is often wrong and editing pages that contain these links will mangle the code such that when I open it, the code no longer looks like what it did when I last hit save (breaking all those links). Obviously this is not sustainable. I've been told by coworkers that "It worked that way at the last place I worked" but I haven't found out how yet. Any ideas on how this would work or am I barking up the wrong tree? None of the knowledge searches I've done shed any light on the sitataion. Thanks for any help! -Russell P.S. It should be noted that the file option in an href tag ONLY works in IE (which is a real bummer since we mostly use Firefox).

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• How do I find funny pictures?

  - by Hanno Fietz

  No, not lolcats. And I'm not really looking for a specific site, either. I have often wished that I had some funny picture to illustrate a presentation, a website, a post, an email, or something else. Google image search and stock photo services have hardly ever helped me, although that may be because I'm doing something wrong. Jeff Atwood seems to have no problem to find funny pictures for his codinghorror and stackoverflow blogs, as well as for the error messages on the trilogy sites. One of my favourites was this elephant. Other bloggers also seem to be quite good at it. I'm wondering if I simply lack the creativity or if there's sources or methods I don't know about. I could think of the following ways to get pictures, but I'm not sure whether this is really "how they do it". keep a collection of pictures that you stumbled upon and liked (takes quite some time to build up to a proper library), when you need a picture, there's one in there maybe have pictures on paper, too, like from magazines or ads. when you are looking for a picture, search online (Flickr, Google, stock photos). This has never really worked for me, I don't know why. produce the pictures yourself, i. e. have a good library of source material or find some online and apply some creativity and suitable software. I could imagine that this could work well once you have the practice.

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• Curios: What makes CPUs better than others? [closed]

  - by Zizma

  I have been wondering about this for a long while now and was hoping someone here could answer it pretty easily. If I was looking for the most powerful CPU what should I really be looking at? There are so many different parameters of a CPU and I am wanting to know what each thing does and what really matters. Basically this: What is the deal with cores? If I take using optimized applications out of the mix would it theoretically better to get quad core 1.0GHz CPU or a 1 core 4 GHz CPU? Also, what is the difference between maybe an Sandy Bridge CPU versus an Ivy Bridge CPU? If they both were had the same clock speed and number of cores would the Ivy Bridge perform better? Does an older Xeon with an equal clock speed and number of cores to a new i7 really perform worse/slower? Does size matter? Why would I go with a 22nm CPU over a 32nm when the size difference is so trivial? What about the cache? When does the cache come into play with performance?

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• What is Best storage servers infrastructure ? DAS/NAS/SAN or installing GlusterFS/LUSTER/HDFS/RBDB

  - by TORr0t

  I am trying to design an infrastucture for the project I am working on. It would be somehow a file-sharing/downloading project (like rapidshare) and I would need high storage sizes and good scability, and I would add new storage nodes after my project grows up. I have come up with 3 solutions for my project which are using Luster, GlusterFS, HDFS, RDBD. For start, i would have 2 servers, one server is for glusterfs client + webserver + db server+ a streaming server, and the other server is gluster storage node. (After sometime, i would be adding more node servers, and client servers (dont know how many new client new servers to add, will see later) So, i am thinking to work with glusterfs. But i really wonder that if i have to use high performance servers with high sotrage sizes or avarage/slow servers with high storage sizes? Or nas/das/san solutions are better for glusterfs storage nodes? I might buy a nas and install glusterfs onto it. I would be happy to listen to your recommendations for the server properties (for each clients and nodes) . I really dont know if I really need high amount of ram and good cpus to for the nodes. I am sure i need it for client servers. The files would be streamed as well, so the Automatic file replication is important, thus, my system should work like a cloud, when needed, according to high traffic, the storage nodes should copy the most demanded file to be streamed and would help me to get rid of scability problems and my visitors would able to stream/download those files. Also, i am open to your experiences/thoughts about any good solution. Luster, hdfs, rbdb are the other options and i would be happy to listen to your thoughts here. I would be very very happy to hear back from anyone commented of any words I have used here. Thanks

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• I need scanning software to use with my scanner.

  - by D Connors

  So, I got this (HP F4280) printer/scanner about a year ago, and I'm really happy with it. The only thing is that I never really liked the HP scanning software that came with it. A few months ago I reformatted and reinstalled windows 7. Then, once I plugged in the printer, I noticed that windows recognized it automatically, and offered to install all the drivers by itself. So instead of manually installing the driver that came in the CD, I simply let windows automatically install it from its servers, and so far it's great. Instead of HP's scanning software (that really wasn't pleasing me), I got a very simplified interface that is more than enough for my ocasional scanning habits. Until today. Today I had to scan a bunch of old pictures for my father. And that simple interface felt like it was lacking quite a few features to make this repetitive task a little easier. And that's why I'm now looking for a good software to use for scanning. By "good" I mean anything well thought out, and specially anything that will make my life easier when repetitive-scanning. It doesn't need to have professional tweaking options, but having them is not a problem either. You guys got anything?

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• Building a PC for Work and play? [closed]

  - by Derek Organ

  Ok, Its been a long time since I build my own PC so I'm looking to get back into it again and build a new one. First off budget is about €800 excluding the monitor and windows 7 licence and mouse. (just bought a new g500) I plan on using my computer for work, lots of applications open at once but none particularly excessive (photoshop being the most demanding, mostly coding tools) I also use it for some gaming, e.g. COD, Starcraft etc. One thing I do want to do eventually is get a really good monitor with hight resolution and maybe 27" so the graphics card needs to be able to make best use of that. So a few questions 1) Is the bottle neck in performance mostly still the harddrives? 2) Aren't most processors e.g. i5 etc even i3 so far a head of other bottlenecks it makes litte difference the higher you go. Isn't the Graphics card dealing with heavy graphics so what really slows because of a slow CPU? So from this my thinking is to get a SSD drive as my primary drive for OS etc and have loads of memory e.g. 6-8GB and a decent mid level graphics card? It doesn't seem at my level worth spending much on CPU and any other parts really. I basic parts off the top of my head Case, Motherboard CPU SSD Drive SATA Drive Power Supply Memory Cooling (fan?) Graphics Card Network Card Keyboard DVD drive Mouse Windows Monitor Am I missing anything? Any helpful tips or general education much appreciated. Thanks, Derek

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• Clipboard bug in Wordpad in Windows 7 (accidentally pasting large file into application)

  - by frenchglen

  In Win7, I use Wordpad, and I really like it. For my needs it's lean and fast, yet has the formatting functionalities I'm after when working on my TXT/RTF files on a daily basis. I don't intend to change text editors. There's a really bad bug which has ALWAYS plagued me. If you have a large file contained in the clipboard, like a 238MB FLAC file, and you accidentally paste it into Wordpad for whatever reason - it hangs the application for a VERY long time (like 2 hours, it depends on how big the file is, because it tries to 'handle' it). You either have to close the application and lose any unsaved changes, or go do something else until the item has finished pasting into Wordpad (it actually eventually drops the file's icon in wordpad just like how it appears in Windows Explorer). It's a Windows bug, a Wordpad bug. Is there some solution for this? Or is the problem fixed in Windows 8 (if anyone can tell me)? .....I'm not going to try out Win8 myself, merely to answer this question - that's what I'm asking it on SuperUSer for! I'm really hoping it's one of those little-yet-big things that they've fixed in Win8 (like removing the 255-character file path limit in Explorer, which is awesome). Thank you for your help, if you have Win8 handy and can test this. :)

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• Software way to cool down an old MacBook Pro

  - by notMacBookProSuperUser

  Hi all, First a little background: I've got lots of computers, including Linux PCs and two MacBook Pro (and a MacMini). My concern is with my 'old' MacBookPro (Core Duo). It really does overheat. Warranty is long void. Years ago (I'd say 2.5 years ago or so) one day it overheated so bad that the battery inflated due to the heat. I got a new battery for free but it's still getting incredibly hot (much other than any other computer I've got: my newer Core 2 Duo MacBook Pro doesn't get nearly as hot as the old one. It s really a pain because I use my old MBP when I m in front of TV, having it on my lap, and it can really become unbearable. I don't want to open that old MBP. On Linux I can force a new CPU 'governor' that decides how the CPU is allowed to operate: it can be 'on demand', 'always max speed', 'always speed x', etc. Does the same exist under MacOS X? Is there a way, say if a 1.86 Ghz Core Duo can run at 1.6 Ghz, to ask MacOS X: "never run this CPU above 1.6 Ghz" ?

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• Can somebody please recommend a good local file backup utility that will be Windows & OSX Compatible?

  - by JAG2007

  I have an external hard drive that I keep all of my work files on and transfer them back and forth between my Windows 7 box at work, and my Mac at home (I work from home frequently). Can someone recommend a really good backup utility that I can use on that external drive, to back the files up to my work computer locally, or the other external drive on my machine at work? I'm looking for preferably a free or open source software, and I'd prefer it to be cross system compatible, although I would also consider using a software that will only work on the Windows box. Also, I will consider a software that has a price assuming it is a really good piece of software and the price is reasonable (like under $50 or so). I checked out CrashPlan a bit, but not sure if that's gonna be really what I'm looking for. To reiterate I'm not looking for online backup solutions, just a piece of software that can back up my data to another drive locally. CrashPlan Free seems to offer this, but not sure how good it is (considering their goal is to get me to buy a pay for version). *NOTE: I'm running Windows 7 in 64bit so I need a piece of software that will be compatible with 64bit OS. My previous software, PC Backup, is not. That's partly why I'm in this boat.

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• What was your biggest waste of money, and what should you have bought instead? [closed]

  - by rob

  I waste a lot of money on computer equipment and other electronics that I don't really need. I've also bought software that I've never really used, or which as been replaced by better free software. As I'm buying things, it doesn't seem like much--fifty bucks here, a hundred dollars there. But when I go back and look at how much I've spent over my past few electronics purchases, I usually start to think of the other things I could have bought with that money instead. Most of the computer hardware and electronics don't usually improve my life by much, if at all. Case in point: back when I was in college, I prided myself on getting the best deals for computer hardware, but when I went back and added up all the money I had spent, I had probably wasted close to a thousand dollars on "cheap" $100 hard drives that eventually all went bad (including the warranty replacements). Even if they did still work, it would not be worth the effort to use them, because they're too small and too noisy by today's standards. I've also spent thousands more on other junk, such as RAM and CPU upgrades that only gave modest performance jumps, and wireless audio transmitters that I used for a short time to stream music from the now-defunct Yahoo! Music service. Every time I see a really great deal on RAM or video cards, I come one click away from buying them, but these days I'm usually able to resist. I've been wanting to get into woodworking ever since I moved into my house, and five years later I'm finally saving up for a $600 table saw. Sure, I've already got a toolbox and a couple of the essential power tools like a drill and a jigsaw, but I can't help but think that I'd have an entire shop full of woodworking tools and a lot of nice wood furniture if I hadn't wasted all that money back in college. What has been your biggest waste of money on computer stuff and technology? If you had all that money back, would you make the same mistake again and buy the same types of things, or would you spend it on something else?

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• Windows 7 BSOD when I walk away from the computer

  - by bobobobo

  I have a really weird experience with this new AM3 box I set up. Everything seems fine at first. But now I get frequent (daily) BSOD's, mostly when I walk away from the computer for more than 5 minutes (when the computer is idle). The BSOD's as shown by BlueScreenView almost always have to do with ntoskrnl.exe, and they'll do with really normal sounding operations, like SYSTEM_SERVICE_EXCEPTION, NTFS_FILE_SYSTEM, DRIVER_IRQL_NOT_LESS_OR_EQUAL, KMODE_EXCEPTION_NOT_HANDLED, BAD_POOL_HEADER - You name it. These are basically them, and they repeat after that, just random order. Its not like one is more consistently the problem than the other. I have Windows update ON and I let it do its updates everytime it wants to. I turned windows indexing service off, but it seems Windows 7 does a lot of background processing when I'm away - I'll come into the room and the fan will be going nuts (I'm pretty sure this isn't because the computer flies into a panic whenever I leave). I tried finding updates for my ASUS, and really there isn't much to install (except some new driver firmware). I'm going to install that to see if it helps, but what else could it be? Is it possible its a hardware issue with the board? Or is every Windows 7 user experiencing daily BSOD these days that I don't know about?

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• Does my Oracle DBA need root access?

  - by Dr I

  I'm currently discussing with my Oracle DBA Collegue that request a root access on our production servers. I'm not so hot to let him use the root access on our production servers. He is arguing that he need it to perform some operations like restarting the server and some other obscure arguments. The point is that I'm not agree with him because I've set him a Oracle user/group and a dba group where Oracle user belong. Everything is running smoothy and without any root permissions for now. I also think that all administrative tasks like scheduled server restart and so one need to be operated by the proper administrator (The Systems administrator on our case) to avoid any kind of issues related to a misunderstanding of the infrastructure interactions. So, I need the help of both, sysadmins and Oracle DBAs to lead me on the correct direction. If my collegue really need this rights I'll give him, but I'm just basically quite affraid of that because of security and integrity concerns. I know that my collegue is really good as a Oracle DBA and he know is work very well, but I also know that I've very few cases where a software and its admin really need root access. Once again, I'm not looking for pros/cons but rather an advice on the way that I should take to deal with this situation.

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• How to create an alias for a named SQL Server instance

  - by Svish

  On my developer computer I have an SQL Server instance named *developer_2005*. In the resource setting files of a C# application we are creating, the instance name is set to foobar (not really, but just as an example). So when I run the application (in debug or realease) it tries to connect to an SQL Server on localhost, named foobar. I am wondering if it is possible to create an alias or something like that, so that the application actually finds an SQL Server on localhost named foobar, but it is actually connecting to the instance named *developer_2005*. The connection string in the config file of the application is Data Source=localhost\foobar;Initial Catalog=barfoo;Integrated Security=True with provider name System.Data.SqlClient. If I change localhost\foobar to *localhost\developer_2005* then the application can connect like it should. How can I create an alias so that I won't have to change the string in the file? I tried, in SQL Server Management Studio, to create a Server Registration with registered server name "localhost\developer", but this didn't seem to do any good. Not even sure what that really did... But then I discovered SQL Server Configuration Manager\SQL Native Client COnfiguration\Aliases. And I kind of assume this is where the solution lies. But I can't quite figure out how to add a new one... When creating a new one, I have to provide Alias Name, Port No, Protocol and Server, and I don't really have a clue what to put in either of them.

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• Downmix surround to Dolby Pro-Logic at the OS/driver level in Windows 7?

  - by davr

  First off, I'm talking about Dolby Pro-Logic, a really old tech for encoding 4 audio channels (L/R/C/SR) into two analog outputs, and then extracting them again. It was used in surround sound systems in the last century. I have a modern PC that can output 5.1 analog audio (Three outputs on the back carry six channels of audio). But I have a really old surround sound reciever that only has a two-channel, L/R input, which it extracts 4 channels of audio from, and outputs to 5.1 speakers. What I want is some way for the OS, Windows 7, to act as if I really had 5.1 audio channels available, so applications produce surround audio, but before outputting it out of the back of my PC, apply Dolby Pro-Logic matrix encoding so that it outputs over only two channels. These two channels would then get sent to my receiver via a RCA cable, which would decode it again and drive the surround speakers. Is anything like this possible? I'm pretty sure I could do it at an application / codec level, but I'm looking for something that I just have to set once.

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• Family server setup [closed]

  - by Manny

  Hi all, I really hope some of you can give me some direction. I have setup a linux server at home and through samba I can access files from different computers in my home. I would like to use this server as a file-server for my family (brothers, sisters and parents who all live in their own homes). I really like the way it is set up right now with user and permission controls, but I've read that it is bad idea to open up the samba port to the world. The requirements are simple: 1) it should be easy to access, by using standard web browsers or mounting the drive (shouldn't have to use any VPN setup or use putty etc) 2) should be somewhat secure. We just want to share family pictures instead of putting them on facebook or picasa or other web server, nothing top secret. Here is what I've looked into: 1)Webdav. It seems decent but seems like it windows7 doesn't like it very much, even with digest mode authentication. User controls and permissions are not as flexible as samba (or at least to my knowledge). I really like the user and group permissions in samba, but if I could live with webdav if it worked seamlessly with windows, it should just work shouldn't it? 2) I read somewhere to stay away from ftp as it is outdated and that there are newer and better internet file-server setups? Was that a reference to webdav? I am so confused, please help... Manny

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• Logitech Performance MX Mouse Jumps on OS X Lion (10.7.4)

  - by Adam Thompson

  I have a Logitech MX Revolution wireless mouse that I am trying to use with OS X Lion. Everything is working except for one problem... there is a small, but quite noticeable, jump when the mouse cursor is moved. The problem is mostly prevalent when dragging and dropping files or trying to highlight items. It makes performing any task with the mouse accurately next to impossible. I did quite a bit of looking and found that all kinds of people have had mouse issues with OS X. I've tried all of the following with absolutely no success: Using the official drivers from Logitech (these performed worse than the default mouse drivers in OS X) Using SteerMouse as a third party mouse driver. This worked ever so slightly better than the default driver, but still suffered quite frequently from the skipping problem Cleaning the sensor on the mouse and ensuring it's not the result of the surface that it's being used on. Tested the mouse on a Windows machine. The mouse worked absolutely flawlessly on the other machine. Changed the channel that my wireless router operates on by the off chance my problems were the result of interference. This also had no effect. I can't think of anything else that could possibly interfere with the mouse. I'm am out of ideas on what to try, so I would really appreciate if anyone has any suggestions. I should also mention that an old wired mouse I had laying around worked just fine when I plugged it in. This really isn't the best solution, however, as I really prefer the MX Revolution.

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• Copying files between linux machines with strong authentication but without encryption

  - by Zizzencs

  I'm looking for a suitable program to copy files from one linux machine to another one. The program should be able to do authentication but it should not do encryption. The reason behind the latter is the lack of CPU power to do the encryption. I copy backups from ~70 machines to a single backup server simultaneously. The single server is an HP Proliant DL360 G7, with 10 Gbps ethernet connection and an FC storage backend that can do 4 Gbps. Through FTP I can write ~400MB/sec to the storage (that's about what I want) but through ssh with arcfour I can only do ~100MB/sec while having 100% CPU usage. That's why I want file transfers not to be encrypted. The alternatives that I found not really suitable: rcp: no authentication, forget it FTP: making the authentication "secure" (at least preventing plain-text password exchange) is possible but not really easy and I haven't found a method to force any FTP daemon to encrypt the control channel (for the authentication) and not to encrypt the data channel (for data transfers) SCP/SFTP: in farely recent ssh(d) implementations you can't turn off encryption. The best you can do is to use the arcfour cypher for the encryption but it sill uses too much CPU power for my needs. rsync over ssh: same problems as with SCP/SFTP. plain rsync: from the documentation of rsyncd: "The authentication protocol used in rsync is a 128 bit MD4 based challenge response system. This is fairly weak protection, though (with at least one brute-force hash-finding algorithm publicly available), so if you want really top-quality security, then I recommend that you run rsync over ssh." It's a no-go. Is there a protocol/program that can do exactly what I want? (A big plus would be if it could work on windows as well and/or if it would support rsync-stlye copying/synchronization (e.g. copy only the differences).)

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• which vista services can be disabled with impunity?

  - by GwenKillerby

  I use Vista on a HP pavilion DV2 laptop. When I look through all the services my laptop starts, it really seems there's way too much of it. I multi boot with XP and 7. Both startup in 40 seconds. Vista takes four minutes. Is there some software that can determine which services I don't need? On 7, there's no propietary HP stuff at all, yet it seems to run fine. Because all these service, there's a LOT of them and some just sit there doing nothing, monitoring for updates I don't really need or want or need to know about the second they're available. my laptop is the only computer i use at home, there's no home network, aside from the modem-router, which is cabled, not wifi. Take for instance Parental controls, and stuff for people with bad eyesight, Tablet PC. I really never use any of that stuff. Hope this question is specific enough. I've looked at the other questions but they didn't answer me. thanks, Gwen.

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• Family server setup

  - by Manny

  Hi all, I really hope some of you can give me some direction. I have setup a linux server at home and through samba I can access files from different computers in my home. I would like to use this server as a file-server for my family (brothers, sisters and parents who all live in their own homes). I really like the way it is set up right now with user and permission controls, but I've read that it is bad idea to open up the samba port to the world. The requirements are simple: 1) it should be easy to access, by using standard web browsers or mounting the drive (shouldn't have to use any VPN setup or use putty etc) 2) should be somewhat secure. We just want to share family pictures instead of putting them on facebook or picasa or other web server, nothing top secret. Here is what I've looked into: 1)Webdav. It seems decent but seems like it windows7 doesn't like it very much, even with digest mode authentication. User controls and permissions are not as flexible as samba (or at least to my knowledge). I really like the user and group permissions in samba, but if I could live with webdav if it worked seamlessly with windows, it should just work shouldn't it? 2) I read somewhere to stay away from ftp as it is outdated and that there are newer and better internet file-server setups? Was that a reference to webdav? I am so confused, please help... Manny

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• Soundtest works, but no other sounds and windows starts very slowly

  - by Kristian Kari

  So suddenly all sounds on my computer stopped working expect the sound test works, but when I go to control panel and audio it says there's no audio device. And audio players and audio on website doesn't work either. and Also windows starts very slowly. I'm not sure if this helps but I'll tell what happened before this. I downloaded this program from a little shady website, I hesitated and for a good reason I guess cos the moment I finished downloading it, my antivir detected it as unwanted program and put it on quarantine. I thought everything was fine, but had some problems with program (won't go to details about it cos it's not really related to audio) so rebooted the computer and I was suprised that windows started really really slowly. It took like 5 mins to load the desktop such. After that I noticed the sounds were missing, I immediately deleted the program since I thought it was causing the problem. But it didn't change much. I tried to find the solution with no success and now I'm just scanning again my computer. I'd be thankful if anyone would be able to help me. I might have left a thing or ten things out, so feel free to ask. oh and I'm using windows xp

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• What may the reason of slowness be (see details in message body)?

  - by Ivan

  I've got a really weird situation I'm beating to solve. A performance problem which looks really like an empty waiting sequence set in code (while it probably isn't so). I've got a pretty powerful dedicated server (10 GB RAM, eight Xeon cores, etc) running Ubuntu 10.04 with all the functionality services (except OpenVPN server used to provide secure access to clients) deployed in separate VirtualBox (vboxheadless) machines (one for the company e-mail server, one for web server and one for accounting/crm server (Firebird + proprietary app server working with Delphi-made clients)). CPU load (as "top" says) is almost always near zero. Host system RAM is close to 100% usage but not overloaded (as very little swapping gets used, and freed (by stopping one of VMs) memory doesn't get reused any quickly). Approximately 50% of guests RAM is used. iostat usually shows near zero %util. Network bandwidth seems to be underused. But the accounting/crm client (a Win32 Delphi application run on WinXP machines) software works hell-slow with this server (and works much better using an inside-LAN Windows server). I just can't imagine what can make it be slow if there are so plenty of CPU, RAM, HDD and bandwidth resources available on clients and on the server even in their hardest moments. Saying bandwidth is underused I not only know that clients and the server are connected to the Internet with a bigger channels than really used (which leaves the a chance they may have a bottleneck of a sort on the route between them), I've tested bandwidth between clients and the server by copying files among them.

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