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• Server downtime - are these APC warnings the cause?

  - by DisgruntledGoat

  Yesterday I had a problem with my dedicated server (Ubuntu 10.04, LAMP). It wasn't down per se, but running incredibly slowly as if we had a massive overload of visitors (though I don't think we did). It's running smoothly again now. I've been checking through log files etc to see if I can find any issues, the only strange thing is a bunch of these errors, occurring at about the same time as the downtime: [apc-warning] Unable to allocate memory for pool. in [file] on line 49. And a bit later on: [apc-warning] GC cache entry '[file1]' (dev=2056 ino=8988092) was on gc-list for 3601 seconds in [file2] on line 746. Could these errors indicate the cause of the server slowdown, or are they simply a result of the server being slow in the first place? What would be the solution?

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• Cannot connect to IIS 7 from localhost

  - by Wout

  I cannot connect to the local IIS 7 using "http://localhost" in IE. "http://127.0.0.1" doesn't work either. The strange thing is that if I add a binding on e.g. port 81, then I can reach "http://localhost:81". Also turning off the firewall on the local machine doesn't help. The site is reachable from the internet. The local requests don't seem to hit IIS (no entries in the IIS log files). IIS is hosted on Windows Server 2008 R2 from behind a hardware firewall device. Note that I'm a programmer, not a network administrator, so I'm having a hard time trouble shooting this.

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• Wireless is connected but no internet when PC Turns on

  - by mhesabi

  I have a PC that is connected to ADSL Modem router (linksys WAG54g2) directly via Ethernet cable And a laptop and also other devices such as another laptops and smarth phones. However when I turn On the PC or turn it off, some strange problem happens. My wireless network seems connected on laptop but there is no internet activity and can't open a webpage until I turn router off and on again manually. (other devices including the PC itself can't use the internet either) My router configured this way: Encapsulation: RFC 2516 PPPoE Multiplexing: LLC DHCP Server: Enabled and network sharing center IPv4 configuration is obtain IP address automatically How Can I fix this issue?

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• Ubuntu Linux: Process swap memory and memory usage

  - by David Halter

  My Ubuntu eats more memory than the task manager is showing: sudo ps -e --format rss | awk 'BEGIN{c=0} {c+=$1} END{print c/1024}' 1043.84 free -m total used free shared buffers cached Mem: 3860 1878 1982 0 20 679 -/+ buffers/cache: 1178 2681 Swap: 2729 1035 1693 That's strange. Can someone explain this difference? But what is more important: I'd like to know how much memory a process is really using. I don't want to know the virtual memory size, but rather the resident memory plus swap of a process. I have also tried to output the format param "sz" of 'ps', but the sum of this is to high (5450 MB) (param 'size' gives 8323.45 MB). Are there any other options? I really want to use this, to determine which programs/processes are eating to much memory (and swap), to kill them, because hibernate might not be working if the swap partition is to little.

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• Two domains hosted on the same server with different root folder shows up the same homepage

  - by emaillenin

  I have hosted two domains from GoDaddy at Linode VPS. They are mobiletoast.com and lesseltechnologies.com Thought the latter site has a separate index folder, whenever I navigate to it, I get the homepage of mobiletoast.com The strange thing is, I see the expected page (It works), when I open the site from my mobile phone. But when I open the site from my PC (any browser, without any cache, hard refresh), I get the homepage of mobiletoast.com The Linode support team says, they see the correct "It works" page. But I am not able to see that page. This is the output of the command apache2ctl -S root@li339-83:~# apache2ctl -S VirtualHost configuration: wildcard NameVirtualHosts and _default_ servers: *:80 is a NameVirtualHost default server mobiletoast.com (/etc/apache2/sites-enabled/000-default:1) port 80 namevhost mobiletoast.com (/etc/apache2/sites-enabled/000-default:1) port 80 namevhost blog.mobiletoast.com (/etc/apache2/sites-enabled/blog.mobiletoast.com:1) port 80 namevhost lesseltechnologies.com (/etc/apache2/sites-enabled/lesseltechnologies.com:1) port 80 namevhost mobiletoast.com (/etc/apache2/sites-enabled/mobiletoast.com:1) Syntax OK

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• Intermittent apt-get 'no installation candidate' error on fabric deploy

  - by jberryman

  I'm experiencing a strange issue with a fabric script I'm using to bootstrap a server on EC2. I launch a stock Ubuntu 12.04 AMI, wait for it to start, then proceed with: with settings(host_string="ubuntu@%s" % i.dns_name, connection_attempts=30): sudo('apt-get -qy update') sudo('apt-get -qy install --no-install-recommends mdadm') # don't install postfix #etc... The apt-get update appears to run fine and gives no errors, however (2/3 of the time or so) installing mdadm throws a "no installation candidate" error. When I ssh into the server and run apt-get install mdadm I get the same error. Running apt-get update by hand, then the package installs fine. Any ideas on what might be happening, or ideas for debugging?

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• Brightness Controls not working on HP Dm3t

  - by Karim

  i have an HP dm3t notebook which normally comes with windows 7. after some time i figured out how to install Windows XP on it. but now i am facing a problem that the brightess controls dont work so i am unable to change the brightess. the strange thing is that all the other buttons (sound volume, mute, sleep , etc... ) works but not the 2 brightess controls. i already downloaded the "HP Quick Launch Buttons" so i am asking about suggesitions how can i enable these two buttons in windows XP or even if i can change the brightess using some kind of software. thanks

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• slow disk writes between host and guest

  - by Jure1873

  I've got a ubuntu (server kernel) on a amd x4, 4gb ram, 2x seagate sata 1 tb disks for testing virtual machines and the write performance is very slow. The two disks are in a software raid1 array, one small boot ext3 partition, 10gb system partition and the rest is a xfs partition (about 980) gb for data (virtual machines). If I'm copying files from the virtual machine to the host with rsync or scp the copy frequently stalls or goes at about 1mb/s. What's wrong? I've tried disabling barriers on xfs, increased logbufs, allocsize, but it seems nothing helps. The strange thing is that await (for example during copying) for sda is usually under 100, while for sdb is around 400. Any ideas on what could be wrong / what could I do to improve this setup?

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• WD Passport Won't Mount

  - by Scott7278

  My WD Passport won't mount. However, it turns on when plugged into my macbook and doesn't make any strange noises. It took a small fall (just a few inches and it was on my couch) and I'm very concerned about physical damage. When I open up disk utility it shows the root 500 GB WD My Passport drive which seems to be OK when I verify it and repair it. However, the "External Hard Drive", the directory underneath the "500 GB WD My Passport drive" is grayed out. When I verify the External Hard Drive it says it needs to be rapaired. When I try and repair it it gives me the following message and does not seem to progress: "Updating boot support partitions for the volume as required." Is there hope for me recovering my data? I stupidly have important data on it that I don't have anywhere else.

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• Laptop hot after format [migrated]

  - by Dany Khalife

  I recently formatted an HP G62 Laptop and installed all drivers from the HP site that should be installed for this model. But i noticed a very strange behavior, using Coretemp, the temp is always above 50 (on idle) and reaches 70 very quickly sometimes (Critical is 90) If i open youtube or skype alone, i can get temperatures as high as 83. Normally it was around 32 (on idle) and reaches 70 when i open games but not youtube.... I have a i3 processor and AMD graphics so i am wondering if somehow it's a graphics card issue (since i3 has integrated graphics as far as i know) Device manager shows only AMD graphics card tho, not sure if i3 graphics should appear here too. Any ideas what i might have forgotten to do after the format ?

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• Key modifiers affect remote VNC sessions in OS X

  - by Michael

  I have two concurrent users of my MacBook: one local (with local peripherals) and one remote (connecting via VNC to a user kept logged in with fast user switching). As described here http://macosx.com/forums/howto-faqs/52547-howto-simultaneous-user-environments-via-vnc.html That's working fine, except that when I hit modifier keys (e.g. shift, option, ...), I also affect the remote user. For example, if I hold down shift, the remote user's key strokes are capitalised, and if I hold down option, they get strange glyphs instead of the normal letters. Does anyone have any idea what could be causing this, or how to fix it?

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• Fonts not found when print request comes from a child process of a Service

  - by beeglebug

  I have a strange issue on a Windows Server 2003 box which has been baffling me for days now. I have a service running on the machine which calls a specified exe every 60 seconds, the exe looks at a local database to see if it needs to print anything, and if so, it prints it to a network laser printer. The problem i'm having is that some fonts won't print out when the exe is called automatically by the service, but work fine if I double click the exe to run it. The font was installed by Administrator, but the service runs as NT Authority\System. I thought this might have something to do with it, but I tried running the service as Administrator, and that didn't solve it. Are there any issues with fonts and permissions that i'm not aware of that could be causing this behaviour?

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• Am I using too much memory? (Rails on EC2 with Resque)

  - by Stpn

  I am looking at the memory usage of the Rails application (it uses background processes via Resque) and since the common answer to the question, "how many workers is too many" was "test and see", I ran some memory commands and wonder if someone can help figuring if the memory usage is high enough already, or I can still add some extra workers.. so (this is all under the maximum load): $ free -t -m total used free shared buffers cached Mem: 1756 1532 223 0 12 229 -/+ buffers/cache: 1291 464 Swap: 895 10 885 Total: 2652 1543 1108 $ vmstat procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 0 0 10588 156172 13400 326476 1 6 4 0 5 4 1 0 99 0 If there is any extra info I can provide to help answer this, I would be happy to do so. If the question is strange in some way, please let me know I'd be glad to fix etc..

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• My gmail password hacked in Firefox?

  - by ellockie

  While writing a message using Firefox suddenly my gmail login details, including password, were pasted into the body of my message at the current cursor position and in the browser's find field (whole password and a bit of email address in the latter). I don't store my passwords in the browser nor in any of it's addons, although I keep it in one of Chrome's extensions. I don't use whole email address to login, only the user name, so it's very strange and worrying. I must admit I clicked some suspicious link the same day (by checking the root of the domain first), but I quickly closed that page and after that I haven't used that password. Both Avira and Spybot didn't detect anything. What was it and what can I do to make sure my browser is safe?

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• Windows 7 Pro x64 suffering from insomnia

  - by gemisigo

  My Win 7 Pro x64 is unable to enter sleep mode. Pressing the sleep button results in strange state where the computer starts entering the sleep mode, the display is turned off but then the whole process stops, it does not switch off the hdd, the keyboard still responds to numlock/capslock, but the display does not on anymore. I have to cut power and restart. If I remove everything (wireless mouse, external hdd, usb hub, etc.) it does enter sleep mode, but if there is something left, it does not, though every one of them has "Allow the computer to turn off this device..." checked and "Allow this device to wake the computer" unchecked. Why does it not work? It was working properly in the RC.

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• How to show what proxies/firewalls are enabled on Windows XP?

  - by Stephen Melrose

  Hi, I'm trying to fix a Windows XP PC that is having a strange problem. The computer can't seem to connect to the internet, even though an internet connection is present. The router and internet is working fine as I've connected a laptop to it via LAN and wireless and both worked fine. The PC in question is connected to the router as it has an IP from the DHCP. The problem is I can't connect to nor ping any internet address from the PC. I can't even connect to the router admin itself. I've tried both LAN ports in the PC, same problem and both. I'm assuming there's a proxy or firewall on the PC stopping the connections, I just don't know how to find them or see which one is causing the issue. So my question is how do I on Windows XP display the system proxy settings and/or any firewalls that are running? Cheers.

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• Cisco NAC: help with enabling FTP or moving update files

  - by kyoung

  Hi, So this is a LINUX question, and a Cisco NAC question. I'm trying to update our server from 4.1 to 4.7, and i need to move some tarball files to the NAC. the NAC Appliance runs some strange stripped down version of Fedora Core 4 copying the upgrade: The instructions say to FTP the file to the NAC appliance, however whenever i use WinSCP with root credentials, i get a notice informing me the connection was actively refused. I can't for the life of me find any .conf files that sound like winners, so I don't know how to change the settings, however the ftp command does seem to work. what exactly should I do here?

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• after power outage, monitor won't turn on

  - by J82

  I had a power outage in my apartment today during a Windows 7 SP1 update. I installed SP1 and it told me to restart so I did and that's when the power outage happened. After the power came back on, I started the computer and it looks like the computer is running normally but my monitor is not getting a signal. I am using a Wacom Cintiq 21UX. I tried unplugging all the cords and plugs in the power strip and turning it back on. I also tried a strange method I read in another thread of removing the power cord, holding the on button for 30 seconds, putting the power cord back in, and turning it on. Still no dice. How can I get my monitor to turn on? please help..

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• Problem with Ctrl key on a hp 2510p

  - by Ernelli

  I have a tricky problem with my corporate Compaq hp 2510p, the ctrl key is not working properly at all times. I belive that it is hooked in some filter chain that processes certain ctrl+[key] combinations which is very annoying. I would like some pointers on how to proceed when analysing what application/setup can can cause this kind of keyboard filtering to happen. Anyway some more background info: Ctrl works together with X, C, V. Both in editors and terminals (Ctrl-C, Z etc) but Ctrl-Shift-Esc and Ctrl-Alt-Del does not work. Very annoying so my only option for logging in us using HP's security app. Shift-Arrow works for selecting text, but not Ctrl-shift arrow to select word by word, but Ctrl-Arrow works when moving the caret word by word. Now the strange thing is that everything works ok with an external USB keyboard so it might be the driver, but still, google yields 0 when searching for the problem description. I have vm-ware player installed (but not running it), HP Protect Tools installed, if any of these could affect the keyboard driver.

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• Drupal + GMap macro, map markers not displayed

  - by mingos

  Hi. I've run into a strange problem in the GMap module for Drupal. When I display a map inside a node using a GMap macro, everything is displayed correctly (according to what I specify in the macro or leave at default), save for map markers. I'm trying to specify a map marker, but it refuses to be displayed. My macro is the following: [gmap zoom=17 |center=53.77420697757659,20.474138259887695 |markers=big blue::53.77420697757659,20.474138259887695] I was unable to find any help on Drupal forums, both the official one and one local to my country. For completeness' sake, I do not wish to use a GMap view, just add a macro in a regular node. Hope you can help me find a solution. Thanks in advance for your replies...

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• Crossplatform "jail" for an application

  - by Alexander

  We currently have a variety of systems (Linux, Solarix, *BSD, HP-UX ...) on which we are not allowed to install anything into / (but I have root access. That's strange, I know). But we'd like to run Puppet on all of them. So, the obvious idea is to install Puppet with all prebuilt dependencies into some isolated tree, something like "jail", which will allow to use dependences from some prefix and to access the host system. The big advatanges would be uniform deployment and updates. One solution that came to my mind is to deploy Gentoo Prefix, and install Puppet there with package manager. However, this requires a lot of extra space and some manual patching for each system. Maybe there are some more elegant and simple solutions?

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• Why are some web clients requesting a page named "cache"?

  - by Toto

  We see errors like this in the apache error log: [Thu May 17 14:32:35 2012] [error] [client 192.168.1.1] File does not exist: /home/www-data/mywebsite.com/r/cache, referer: http://www.mywebsite.com/r/1010 It is strange because: There is no reference in the code/url about a folder/file "cache". The folder/file "cache" does not exist The client is randomly trying to access a "cache" folder everywhere on the website. It is always trying to access the folder/file "cache" following this pattern: Pattern: /level1/.../levelwhatever/filename (referer) /level1/.../levelwhatever/cache We run a LAMP (Debian stable: PHP 5.3.3-7+squeeze9. We also use APC 3.1.3p1). We use Google Analytics and AdSense. We do not know how to reproduce the problem. Note: I replaced the user's IP in the code for privacy.

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• Citrix Mixed Server Session problems

  - by oldskool

  Hello, we've run an Citrix Farm with 4 x Windows 2008 x64 (XenApp 5.0 FP3) and one server Win 2003 x86 (Xenapp 4.6). Yesterday we had a strange problem with Session logins. Existing Sessions could work without problems but new logins were not possible. In the AMC we could not see the Sessions on the Servers. After an reboot all worked fine again. We run the 32 Bit Server since 3 days in our farm (for one Application). Could it be possible that this behavior is caused of the mixed farm? -- (we got in this time a lot of wmi warnings that the Provider CitrixEvemtProv has been registered but it does not correctly impersonate user requests.

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• Visual Studio 2010: Is it possible to force editor to use ANSI rather than UTF-8?

  - by Mark Redman

  I am having issues with some files in automated processes, specifically with batch files and sql files. Visual Studio seems to create these as UTF-8 rather than ansi and adds some kind of special characters to the beginning of the file (I think this is a called a pre-amble) This breaks running batch files and running swl files through osql.exe. I have had issues myself in the past in creating text files using C#, but can get around that through encoding. However its seems a bit strange I cant use Visual studio to create batch files and sql files in a database project for automation.

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• Running a program causes everything afterwards to minimize

  - by Xitcod13

  I just installed LoL (league of legends) on my computer. The problem is that almost every time after I play the game, it minimizes all my windows which is really annoying. What is worse however is that afterwards other programs do this as well. Is there any way to fix this? What can cause such a strange behavior?? I recently installed the internet driver. Hopefully that is not the problem because this is the third internet card for this computer. I have noticed that my internet is messing up as well.

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