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• Shaping outbound Traffic to Control Download Speeds with Linux

  - by Kyle Brandt

  I have a situation where a server makes lots of requests from big webservers all at the same time. Currently, I have not control over the amount of requests or the rate of the requests from the application that does this. The responses from these webservers is more than the internet line can handle. (Basically, we are launching a DoS on ourselves). I am going to get push to get this fixed at the application level, but for the time being, is there anyway I can use traffic shaping on the Linux server to control this? I know I can only shape outbound traffic, but maybe there is a way I can slow the TCP responses so the other side will detect congestion and this will help my situation? If there is anything like this with tc, what might the configuration look like? The idea is that the traffic control might help me control which packets get dropped before they reach my router.

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• Overlapping appointments in Outlook 2003

  - by iansinke

  I'm using Microsoft Outlook 2003 (Home and Student, if that makes any difference, which I doubt) as my calendar, and I have one minor gripe: it can't really handle appointments that don't begin and end right on the half-hour mark. For instance, if I have a class that ends at 9:22 AM and another class that begins at 9:27 AM, they will appear to overlap in the day view. Not a big deal, but it bugs me nonetheless. Anybody know of a hack or patch that will fix this issue? I've searched the Outlook documentation as well as Google to no avail.

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• How do I open a 60M png image on OSX

  - by Topener

  Alright, so I've been looking around on this site on how to open a big PNG image. The question I found was about a 10M png. Xee apparently did the job. So, I downloaded Xee for my 60M file, but it crashes. So does iPhoto, Pixelmator and previewer. In the Pixelmator and Xee case, I actually had to kill the computer, and restart it. It crashed so 'hard' I couldn't get it to respond again. How do I open this file? (and zoom it) Specs: newly acquired macbook pro: 4gb memory, 2.3ghz i7 58M png image approx: 15000x30000 pixels

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• How do I backup Firefox add-on like "Fastdial" addon for a reinstall?

  - by danacon

  I am doing a new install of Firefox and over the years my Windows "roaming folder" I use for backup has gotten all clogged up from so many add-ons and crap... I want to backup just a couple Firefox add-on's, one is "Fast dial" How do I backup this add-on and its addresses for when I reinstall Firefox and the add-on, so It will go back to where it is now? Most add-on's have a backup feature like "too many tabs" bookmarks and such but fast dial doesn't? so How do I backup this add-on? and /or addons like it without a backup feature? Thanks in advance any help or options would be a big help. Dana

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• Fedora 13 post security update boot problem

  - by Alex

  Hello. About a month ago I installed a security update that had new Kernek 2.6.34.x from 2.6.33.x), this is when the problem occurred for the first time. After the install my computer would not boot at all, black screen without any visible hard drive activity (I gave it good 30 minutes on black screen, before took actions)... I poped in installation DVD and went in rescue mode to change back the boot option to old kernel (was just a guess where the problem was). After restart computer loaded just file, took a long time for it to start because of SELinux targeted policy relabel is required. Relabeling could take very long time depending on file size. I assumed that the update got messed up somehow and continued working with modified boot option. Couple of days ago, there was another kernel update. I installed it and same problem as before. This rules out corrupted update theory... Black screen right after 'BIOS' screen before OS gets loaded. I had to rescue system again... Below is copy of my grub.conf file. I am fairly new to LINUX (couple of years of experience), mostly development and basic config... nothing crazy. # grub.conf generated by anaconda # # Note that you do not have to rerun grub after making changes to this file # NOTICE: You have a /boot partition. This means that # all kernel and initrd paths are relative to /boot/, eg. # root (hd0,0) # kernel /vmlinuz-version ro root=/dev/mapper/vg_obalyuk-lv_root # initrd /initrd-[generic-]version.img #boot=/dev/sda default=2 timeout=0 splashimage=(hd0,0)/grub/splash.xpm.gz hiddenmenu title Fedora (2.6.34.6-54.fc13.i686.PAE) root (hd0,0) kernel /vmlinuz-2.6.34.6-54.fc13.i686.PAE ro root=/dev/mapper/vg_obalyuk-lv_root rd_LVM_LV=vg_obalyuk/lv_root rd_LVM_LV=vg_obalyuk/lv_swap rd_NO_LUKS rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYTABLE=us rhgb quiet initrd /initramfs-2.6.34.6-54.fc13.i686.PAE.img title Fedora (2.6.34.6-47.fc13.i686.PAE) root (hd0,0) kernel /vmlinuz-2.6.34.6-47.fc13.i686.PAE ro root=/dev/mapper/vg_obalyuk-lv_root rd_LVM_LV=vg_obalyuk/lv_root rd_LVM_LV=vg_obalyuk/lv_swap rd_NO_LUKS rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYTABLE=us rhgb quiet initrd /initramfs-2.6.34.6-47.fc13.i686.PAE.img title Fedora (2.6.33.8-149.fc13.i686.PAE) root (hd0,0) kernel /vmlinuz-2.6.33.8-149.fc13.i686.PAE ro root=/dev/mapper/vg_obalyuk-lv_root rd_LVM_LV=vg_obalyuk/lv_root rd_LVM_LV=vg_obalyuk/lv_swap rd_NO_LUKS rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYTABLE=us rhgb quiet initrd /initramfs-2.6.33.8-149.fc13.i686.PAE.img I like my system to be up to date... Let me know if I can post any other files that can be of help. Has anyone else had this problem? Does anyone has any ideas how to fix this problem? p.s. Anything helps, you ppl are great! thx for ur time.

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• Disable caching on a specific Classic ASP page

  - by David Brunelle

  Hi, Not sure if I really am on the right forum, but if not, just tell me. I have a page that is coded in Classic ASP which is used to send email. We are currently having a problem in which the page seem to be sent twice sometime. Upon checking, we found out that those who have this problem are coming from big organisation, so it was suggested that their server might cache the file for some reason. I would like to know, is there a way in HTML (or Classic ASP) to prevent that from happening? Or is it in IIS that we must set this up? Thanks,

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• Windows authentication through IE - specify the domain

  - by Chris W

  This question really relates to allowing to logon to a SharePoint installation from home but I guess it's a general IIS security question. When the login box pops up to collect the windows credentials the user can just type in their user name on Safari/Chrome/FF and they can login correctly. On IE authentication fails as it seems to pass their local machine name by default and the user needs to replace this with domain\user. Not a big problem in some cases but we'd prefer it if the users didn't have to enter the domain name portion. Is this simply a feature of IE that we can't control or is their something we can do with IIS/AD etc that will allow us to provide a default domain if one isn't specified?

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• PowerShell fomat.ps1xml not reachable

  - by blsub6

  I'm trying to load Exchange Management Shell and it gives me a big 'ol red error that says: Import-Module : There were errors in loading the format data file: Microsoft.PowerShell, , %APPDATA%\Roaming\Microsoft\Exchange\RemotePowerShell\DOMAINNAME.format.ps1xml : File skipped because of the following validation exception: File %APPDATA%\Roaming\Microsoft\Exchange\RemotePowerShell\DOMAINNAME.format.ps1xml cannot be loaded. The file %APPDATA%\Roaming\Microsoft\ExchangeRemotePowerShell\DOMAINNAME\DOMAINNAME.format.ps1xml is not digitally signed. The script will not execute on the system. Please see "get-help about_signing" for more details... The %APPDATA% is stored on an external server on my network (that I can ping to without problems). I am missing a ton of PS cmdlets too, which I'm presuming are stored in '*.format.ps1xml' I tried finding the directory in which format.ps1xml is supposed to reside on the external server and it's not even created. Can someone tell me where to start?

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• Distributing entropy to virtual machines.

  - by Louis

  Dear All, I'm interested in generating secret keys for SSL on virtual machines using true randomness. By true randomness I mean the same level of entropy that can be generated by UNIX's dev/random and entropy gathering daemon (EGD). Is there a "general knowledge" recipe to route entropy from the physical layer to the virtual machines via the hypervisor regardless of the Hypervisor/Guest OS combination? Example: suppose one "hypervises" with VMware VSphere and instantiates Windows Guest OS. Can this hypervisor collect entropy from its peripherals (like dev/random/ would) and distribute it to these guest Windows OS? When considering the big vendors (VMware, Hyper-V, Citrix, etc), do they have entropy pools that gather entropy that can easily be pushed to their respective virtual machines? Louis

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• Serverlocation move and how can I Move the files

  - by Bernhard

  Hello together, I´ve a big problem. I have to move data from an old Webspace which is only accessibla by ftp. No we have a new root server which is accessible by ssh of course :-) No i Need to move all data from the old space but there is a lot of Gb of files. Is there a way to fetch all files directly from the old ftp to the storage and not over a third station (my local machine)? I´ve tried it with ftp but without success. I think I´ve used the wrong commands. Is there a way to etablish something like this including all files and directorys? Thank you in advance Bernhard

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• How to mirror filesystems with millions of hardlinks?

  - by Thomas Berger

  We have one big problem at the moment: We need to mirror a filesystem for one of our customers. Thats usual not really a problem, but here it is: On this filesystem there is one folder with millions of hardlinks (yes! MILLIONS!). rsync requires more then 4 days to just build the filelist. We use the following rsync options: rsync -Havz --progress serverA:/data/cms /data/ Has anyone a idea how to speed up this rsync, or use alternatives? We could not use dd as the target disk is smaller then the source.

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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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• Switching to open folders on a Mac

  - by Charles

  How do I easily switch to an open folder on a Mac? In Windows, which I'm used to using, I can see all my opened folders in my vertical taskbar, all I need to do to switch to another window is click on the folder in the task bar. There's no taskbar on a Mac, and when I have a lot of folders opened, ie. lots of Finder windows, how can I switch between them? The way I'm doing it is, I put expose on an active corner and switch that way. However that's still damn hard, because first I have to bring up expose, and then find my window. The folders are placed in a random position between opened apps, the folders are not in a list, and on a big screen I have to scan the whole screen in order to find the one I want... etc. Is it really this hard just to switch to a different folder on a Mac? Is there a taskbar solution on a Mac?

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• How do I backup Firefox add-on like "Fastdial" addon for a reinstall?

  - by danacon

  I am doing a new install of Firefox and over the years my Windows "roaming folder" I use for backup has gotten all clogged up from so many add-ons and crap... I want to backup just a couple Firefox add-on's, one is "Fast dial" How do I backup this add-on and its addresses for when I reinstall Firefox and the add-on, so It will go back to where it is now? Most add-on's have a backup feature like "too many tabs" bookmarks and such but fast dial doesn't? so How do I backup this add-on? and /or addons like it without a backup feature? Thanks in advance any help or options would be a big help. Dana

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• Crashes and freezes after fixing "BOOTMGR is missing" error

  - by Greg-J

  I came back from a 3-day weekend to a computer that was off. I leave my PC on 24/7, so this was odd. Turn it on to get the dreaded "BOOTMGR is missing" screen. Two attempts at Windows Recovery and it booted into Windows fine. After an hour or so, I get a frozen Chrome and my start bar disappears. Ctrl+Alt+Del brings up an error box telling me that Ctrl+Alt+Del failed to work properly. Clicking on any open application triggers an error (I can't recall the error now, but it essentially just said that the application couldn't be found running or something along those lines). I restart, and again, the same thing happens after a while of use. I turn it on, install the 47 updates I have or so, and then restart it. After a while of use (under an hour), it just freezes completely. My thoughts are: SSDs, RAM or PS. My system specs below: (RAID0) 2 x Crucial M4 CT128M4SSD2 2.5" 128GB SATA III MLC Internal Solid State Drive (SSD) CORSAIR Vengeance 16GB (4 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model CML16GX3M4A1600C9 CORSAIR HX Series HX750 750W ATX12V 2.3 / EPS12V 2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active 1 x ASUS Maximus IV Gene-Z/GEN3 LGA 1155 Intel Z68 HDMI SATA 6Gb/s USB 3.0 Micro ATX Intel Motherboard 1 x Hitachi GST Deskstar 7K1000.C 0F10383 1TB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive 1 x Intel Core i7-2600K Sandy Bridge 3.4GHz (3.8GHz Turbo Boost) LGA 1155 95W Quad-Core Desktop Processor Intel HD Graphics 1 x SAPPHIRE 21197-00-40G Radeon HD 7970 3GB 384-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card 1 x Noctua NH-D14 120mm & 140mm SSO CPU Cooler This is all crammed in a pretty small case (NZXT Vulcan) and has been running perfectly problem-free since January. The only thing out of the ordinary is that there is a fan in the case that is now making noise whereas the case has previously been completely silent. I have no reason to believe this is anything more then correlation, but felt it is worth mentioning. I believe it MAY be the SSDs simply because of the BOOTMGR error, but not sure how to test that theory. My belief that it may be the RAM is simply from experience with frozen machines. I haven't had the time to memtest it, but will. The PS being the culprit is something I've picked up by reading similar threads on various forums, and it seems plausible. I am unsure how to test this though. ANY insight whatsover would be greatly appreciated!

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• Monitors - inches vs resolution

  - by Vnuk

  I'm currently moving away from living five years only on laptop to a desktop setup. I'm currently browsing for monitors and I've noticed something strange. On my laptop I have 1920x1200 on 17". To get the same resolution on a monitor I have to get Dell U2410 24" or Samsung SM2443NW 24". I do not need (or want) 7" more inches of screen, I just want the 1920x1200 resolution. Why is this setup (big resolution on less inches of screen) available on a laptop but not on a regular monitor? I'm setting this as a community wiki beacuse I think that there is no right answer here...

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• How to fix monitor detection on Windows 7?

  - by Boaz

  Hi, I'm using Windows 7 + Windows Media Center for my HTPC. It works great except from one annoying issue. Whenever I turn off my TV while listening the music, the music stop for a second or while Windows 7 tries to figure out what monitor is attached. After that second it settles down on a default 800x640. While not a big deal, it is annoying as I don't want to have the TV on while playing music. Is there anyway to fix the monitor/disable monitor auto-detection on Windows 7 so it would not start recalibrating everything when I turn off my TV? Thanks, Boaz

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• I got this message from my host "Exceeded allocated monthly traffic" want to understand problems tha

  - by Amr ElGarhy

  I have a dedicated windows 2008 server and with Allocated monthly traffic: 1500GB, the hosting company sent me "Please take note that the allocated traffic included with your Budget (calculated by GB of traffic) has been exceeded. You will be billed for the exceeding traffic at the end of the month according to the per GB exceeding traffic fee specified on your contract." I checked my Google analytics account and didn't find any big different for the websites traffic this month than previous months. I just want to understand what may cause this sudden increase in traffic this month? may be ftp access? remoting to webserver too much time? or what may cause this? Also, is there any tool in the server to know where the traffic went?

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• Indexing Service filter daemon keeps crashing on WinXP; something worse underneath?

  - by IVR Avenger

  The Indexing Service filter daemon keeps crashing on my WinXP Pro machine, with the following error message: "Indexing Service filter daemon has encountered a problem and needs to close. We are sorry for the inconvenience." Not a big deal, I can click "Don't Send Error Report" all day. But what's going on, here? Is this a service that I need? Is the frequent crashing indicative of something worse that's happening behind the scenes? Thanks!

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• Incorrect viewport on monitor everytime computer is booted

  - by doldertfo

  Hi, Every time I turn on my PC the viewport isn't aligned correctly on the screen - there is always a black strip on the right hand side. This is not a big issue as it can be resolved by pressing the menu button on the screen and doing a factory reset. However it is irritating having to do it every time. I am using a flat screen monitor with vga connections. The weird thing it never used to happen before with the tower Im using. Is potentially out of date drivers a problem? Thanks.

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• Product Recommendation: Good job scheduler for windows servers?

  - by Bret Fisher

  Looking for a mostly-GUI tool that is low cost (less then $1k, but not required) and allows you to create scheduled tasks and jobs without writing vbscript, batch files, or powershell. Something simple that speaks SMB/CIFS, SMTP, LDAP, etc. for such things as "delete some files based on a list of folders from this text file" or "disable all users with expired accounts" or "delete all disabled users not in this AD group". I've seen some of the big multi-OS enterprise task automation systems and they just look way overkill. We're a windows-only shop, Server 2003 or newer and there's got to be a simple non-agent based product that is drag-n-drop for some of this basic automation. Today we use all three languages mentioned above, and the scripts are not as reliable as a workflow-based-tool would be. Thanks.

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• 4K sectors: Why are hard drives moving to 4096 byte sectors, vs. 512 byte sectors? Are 4K sectors a

  - by Chris W. Rea

  I've noticed that some Western Digital hard drives are now sporting 4K sectors, that is, the sectors are larger: 4096 bytes vs. the actual de facto standard of 512 bytes. So: What's the big deal with 4K sectors? Is it marketing hype, or a real advantage? Why should somebody building a new PC care, or not, about 4K sectors? Why is this transition taking place now? Why didn't it happen sooner? Are there things to look out for when buying a 4K sector hard drive? e.g. incompatibility? Anything else we should know about 4K sectors?

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• php server settings for restrict post queries

  - by Korjavin Ivan

  I have php script on hosting, which receive big data with ajax/post. Just now, after some works on hosting, I see that script is broken. I checked with curl: file temp1: user_avatar=&user_baner=&user_sig=.... 237 chars total, and curl -H "X-Requested-With: XMLHttpRequest" -X POST --data @temp1 'http://host/mypage.php' works perfect. But with file temp2: name=%D0%9C%D0%B5%D0%B1%%B5%D0%BB%D1%8C%D0%A4%%B0%D0%B1%D1%80%D0%B8%D0%BA%D1%8A&user_payed=0000-00-00&...positions%5B5231%5D=on total chars: 65563 curl -H "X-Requested-With: XMLHttpRequest" -X POST --data @temp2 'http://host/mypage.php' curl return nothing. Looks like a problem with apache/php/php.ini or something like that. I check .htaccess php_value post_max_size 20M Which other parameters I should check? Is it possible that %BO encode kill php/apache? Or total number of parameters (about 2800) ?

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• What does this IIS memory dump mean? (reserved memory)

  - by Jesse

  My w3wp's are recycling every 60 seconds after using too much virtual memory. I ran the IIS Debug Diagnostic Tool to capture a memory dump before the worker process recycled; the most interesting part seems to be this: Virtual Allocation Summary Reserved memory 4.88 GBytes Committed memory 328.27 MBytes Mapped memory 17.36 MBytes Reserved block count 524 blocks Committed block count 1082 blocks Mapped block count 43 blocks So that 4.88 GBytes of reserved memory seems really big. But neither the DotNetMemoryAnalysis or the regular Memory Pressure Analyzer seems to tell me where that 4.88 GB went. How can I find out?

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• Making Lync option visible in Outlook/GAL/AD

  - by Kjensen

  In a big organization, people are slowly moving towards using Lync and away from using landlines. A handful of times per month, I get a meeting invitation that includes a conference call number and a remark about "not sure if everybody is on Lync". Often everybody is, and we start in a conference call and switch to Lync. Is there a good way to make it visible if a user has access to Lync? Like I can hit the "Online meeting" button in Outlook - and it would be great to see, if everybody invited support Lync. Does something like that exist?

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