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• "Breadcrumbs" for series of hostnames?

  - by Hamy

  Does anyone know of a shell that would show a series of breadcrumbs as I navigate into/out of various servers, like this: Home > Build Machine > Vagrant > Docker-base Hopefully it could auto-detect logging in and out of various boxes and display the hostnames. Perhaps with a simple "no circular links", one could just try and monitor the hostname, but I don't know if there is a shell that can easily act as a 'parent' to the other shells on these various systems so that it can query hostname and/or other item. Any thoughts?

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• No sound (USB speakers) in Ubuntu 9.04 Jaunty Jackalope

  - by Mike

  I just installed Ubuntu 9.04 and have been unable to get sound functioning. I have a set of USB speakers (not USB powered with a stereo plug... they are totally USB). I've tried plugging them directly into the tower as well as into the USB port on my Dell 2405FPW monitor. Both USB ports are functioning correctly (I tested by sticking a flash drive in there - they both read it), and the speakers are functioning correctly in Windows. If it's relevant, I have an SB Audigy 2 sound card that came with the computer, but is not being used. Any ideas? Thanks! EDIT: These are the speakers - Logitech S-150 USB Speakers

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• Virtual memory on Linux doesn't add up?

  - by Brendan Long

  I was looking at System Monitor on Linux and noticed that Firefox is using 441 MB of memory, and several other applications are using 274, 257, 232, etc (adding up to over 3 GB of virtual memory). So I switch over to the Resources tab, and it says I'm using 462 MB of memory and not touching swap. I'm confused. What does the virtual memory amount mean then if the programs aren't actually using it. I was thinking maybe memory they've requested but aren't using, but how would the OS know that? I can't think of any "I might need this much memory in the future" function..

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• Autoscale Rackspace Cloud, Scalr or DIY?

  - by Andre Jay Marcelo-Tanner

  I'm looking into creating a setup on Rackspace Cloud that will allow me to autoscale my webservers (no db) on demand. Preferably using something like response time. I've read into configuration tools like Puppet/Chef, but I'm thinking I can just launch from prepared server images that are ready to go. Is there any tool out there already that can monitor my existing node response times and then launch or scale up new ones based upon certain variables like average X load over Y time? I see there are commercial offerings like Scalr, Rightscale, but how would I do this myself?

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

  - by Bjørn

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

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• When using Bundler and Rails 2.3.5 I get uninitialized constant SubdomainFu when migrating

  - by user347480

  Hi I'm using bundler with rails 2.3.5 and I'm trying to make sure everything is working correctly but when I do a "rake db:migrate --trace" I get this ** Invoke db:migrate (first_time) ** Invoke environment (first_time) ** Execute environment rake aborted! uninitialized constant SubdomainFu /opt/local/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:443:inload_missing_constant' /opt/local/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:80:in const_missing' /opt/local/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:92:inconst_missing' /Users/node/Projects/Race-RX/config/initializers/subdomain_config.rb:1 /opt/local/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:145:in load_without_new_constant_marking' /opt/local/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:145:inload' /opt/local/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:521:in new_constants_in' /opt/local/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:145:inload' /opt/local/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:622:in load_application_initializers' /opt/local/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:621:ineach' /opt/local/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:621:in load_application_initializers' /opt/local/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:176:inprocess' /opt/local/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:113:in send' /opt/local/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:113:inrun' /Users/node/Projects/Race-RX/config/environment.rb:9 /opt/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in gem_original_require' /opt/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:inrequire' /opt/local/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:156:in require' /opt/local/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:521:innew_constants_in' /opt/local/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:156:in require' /opt/local/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/tasks/misc.rake:4 /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:incall' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in execute' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:ineach' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in execute' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:597:ininvoke_with_call_chain' /opt/local/lib/ruby/1.8/monitor.rb:242:in synchronize' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:ininvoke_with_call_chain' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:607:in invoke_prerequisites' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:604:ineach' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:604:in invoke_prerequisites' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:596:ininvoke_with_call_chain' /opt/local/lib/ruby/1.8/monitor.rb:242:in synchronize' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:ininvoke_with_call_chain' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:583:in invoke' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2051:ininvoke_task' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in top_level' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:ineach' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in top_level' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:instandard_exception_handling' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2023:in top_level' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2001:inrun' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in standard_exception_handling' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1998:inrun' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/bin/rake:31 /opt/local/bin/rake:19:in load' /opt/local/bin/rake:19 I don't know what could be causing this. I did however but my require "rubygems" require "bundler" Bundler.setup in my enviroment.rb file but that doesn't see to be the problem.

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• HP DL160 vs DL360 for virtualization

  - by Chris

  Hi, We're planning to consolidate our infrastructure (a dozen servers). We'll buy two or three identical new servers who will be setup as a XenServer pool. Load balancing and HA tools will monitor the pool and vMotion VMs in case of failure/overload. I know that the DL100 series of HP servers is cheaper than the DL300 serie (in every sense of the word). As we don't need local storage (we have a SAN) and can live with a temporary down server (provided that Xen Server HA tools work as advertized), what are the downsides going with the DL100 serie ? Thanks, Chris

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• Monit and Thin and Unfound Gems

  - by TenJack

  I've been using Monit to monitor my Thin server and everything was working until I upgraded my Rails version from 2.3.4 to 2.3.14. Now when I try and start Thin using monit it gives me an unfound gem error: Missing the Rails 2.3.14 gem. Please `gem install -v=2.3.14 rails` I thought this may be a GEM PATH issue and also tried setting the GEM_HOME and PATH variables in the start command: check process thin3001 with pidfile /home/blahblah/apps/Vocab/shared/pids/thin.3001.pid start program = "/usr/bin/env PATH=/usr/lib/ruby/gems/1.8/gems GEM_HOME=/usr/lib/ruby/gems/1.8/gems /usr/bin/ruby /usr/bin/thin -C /etc/thin/vocab.yml start -o 3001" stop program = "/usr/bin/ruby /usr/bin/thin -C /etc/thin/vocab.yml stop -o 3001" if totalmem > 150.0 MB for 5 cycles then restart group thin It's strange because if I run the start command in the console it works fine, it's only within monit that I get the missing Gems error.

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• Black Screen when Computer Boots

  - by BlueRaja

  I'm having a serious problem with my computer; I think I've narrowed it down to the motherboard, but I'd like a second opinion before I spend the money. Before I moved into my new apartment, my desktop was working fine; now, it just won't work. It will turn on, the fans will spin up, lights come on... but nothing appears on the screen. No POST, nothing. I've tried: A different monitor (both are VGA) A different video-card (both are DVI, PCIe) Three different, known-good VGA-DVI adapters The onboard video port (VGA) Reseating the memory, and trying only one stick Different, known-good wall-outlets Unplugging the HDD and CD-drive from both the motherboard and PSU Replacing the PSU Has anyone had this happen before? Perhaps it's a known problem with this motherboard? Any advice!? Here are my specs: A13G+ V3.0 motherboard 2 2-gig 800mhz DDR2 600-watt PSU two older Geforce video cards

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• Windows Resource Monitoring Programs

  - by Sal

  I work at a small tech start up managing websites with our own in house server side code. (In production, we use Windows Server 2008 boxes, running Java 6. In our dev boxes, we use Windows 7 running Java 7.) Recently, we had an issue where some of our boxes in production failed, and we didn't have means of trouble shooting, since we keep little to no monitoring logs about a given box's CPU/memory/RAM usage, etc. So, I'm wondering if there is some commercial/freeware that's the standard for performance monitoring/logging. Essentially, I'm just looking for an analytics system that is similar to the Windows Task Manager or the Resource Monitor, that serializes all of its data periodically. Ideally, I'd like to find a program that's also extensible, in case I'd like to add addition monitors in the future.

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• Continuing permissions issues - ASP.net, IIS 7, Server 2008 - 0x80070005 (http 500.19) error

  - by Re-Pieper

  I created an ASP.net MVC developed web application and I am trying to set up IIS. The Error: Http error 500.19, error code 0x80070005, Cannot read configuration file due to insufficient permissions, config file: C:\inetpub\wwwroot\BudgetManagerMain\BudgetManager\web.config If I set the AppPool to use 'administrator' i have no problems and can access the site just fine. If i set to NETWORK SERVICE (or anything else including self-created admin or non-admin user accounts), i get the above error. Things I have tried: identity for Application pool named 'test' is 'NetworkService' Set full access privs for wwwroot and all children files/folders verified effective permissions and NETWORK SERVICE has full access. Authentication on my site is set for anonymous and running under Application Pool Identity I do not have any physical path credentials set on the website confirmed website is set to run under the application pool named 'test' using Process Monitor, here is a summary of what i found on the ACCESS DENIED event EVENT TAB: Class: File System Operation: CreateFile Result: Access Denied Path: ..\web.config Desired Access: Generic Read Disposition: Open Options: Sybnchronous IO Non-Alert, Non-Directory file Attributes: N ShareMode: Read AllocaitonSize: n/a PROCESS TAB ...lots of stuff that seems irrelevant User: NT AUTHORITY\NETWORK SERVICE

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• Windows 7 port Forwarding Issue

  - by Elliot

  I can't get port forwarding to work now that I am using windows 7 (64-bit). I am using a wireless connection (no wired connection available). I have the ports forwarded (IP has been double checked, router settings are confirmed), there is an exception for all of the programs in question in windows firewall, and in the resource monitor windows lists the ports as available, not restricted, and yet when I either use a specific program (ie utorrent, DC++, Command & Conquer 3) or check using firefox, the port reads as closed. How do I get the port forwarding to work?

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• IIS7 rejecting POST requests with 400 error.

  - by Eli

  I have a web application that is supposed to handle post requests from SAP. This has been working fine at other customers with win2k3 systems (IIS6) and win2k8 (IIS7) systems. However, on this specific customer's site, IIS responds with a 400 response, without calling my aspx page. In fact, I don't even see it appear in the w3c log for the virtual directory. I do see the request using Network Monitor, so I know no firewalls and the like are eating the request, and as far as I can tell, all of the fields of the request are valid (there is "content-length", it looks correct (this is a sending of a 28K tiff file - which isn't MIME encoded, curiously enough now that I think of it...) Ideas?

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• Sleep function in ORACLE

  - by Salvador

  I need execute an sql query in ORACLE it takes a certain amount of time. so i wrote this function CREATE OR REPLACE FUNCTION MYSCHEMA.TEST_SLEEP ( TIME_ IN NUMBER ) RETURN INTEGER IS BEGIN DBMS_LOCK.sleep(seconds => TIME_); RETURN 1; EXCEPTION WHEN OTHERS THEN RAISE; RETURN 1; END TEST_SLEEP; and i call in this way SELECT TEST_SLEEP(10.5) FROM DUAL but to work i need set grant of DBMS_LOCK to the owner of the procedure. how i can rewrite this function without using the DBMS_LOCK.sleep function? Thanks in advance.

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• Seperator in dock in osx

  - by sagar

  I have placed too many icons in my dock. there is by default a separator in dock between applications & trash. I want to add more separators in my dock - for grouping purpose. say for example finder, preview, itunes, system pref.,activity monitor FOR Mac osx group Mozilla, safari - for Browsing group Odesk, skype, ipmessanger, adium, team viewer for communication Means, I just want to add separator to identify them very quickly. Is it possible ? if yes - how ? Thanks in advance for sharing your knowledge. sagar

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• Guide for installing Zenoss remote SSH monitoring plugin for Ubuntu

  - by normalocity

  I'm trying out Zenoss. I got it to monitor a test machine via SNMP - that was easy enough. Now I want to add another server that is remote, and I want to use the SSH plugin. I've been using this guide, but it skips a few steps for non-RedHat systems. I'm on Ubuntu. The steps I have down so far are: Install alien Convert the .rpm to a .deb file Use dpkg to install teh .deb file My issue: where to get the .rpm file in the first place?

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• How do I see what connections are being made?

  - by Coldblackice

  My DDWRT router is showing that my computer has a connection count around 600! The router is at 100% CPU use. How can I see what's making all the connections? So far, I've opened up Resource Monitor and checked the network tab. I can sort by which program is using the most network bandwidth (Pale Moon browser), but I can't see what's making all of the connections. Or rather, where all the connections are being toward (trying to find what tab must be making all of these connections). I've also tried netstat -A, but it apparently doesn't show the actual number of connections being made. At least, the list of established connections isn't very long, by any means (like enough to account for the 500+ connections apparently being made.

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• Why do my speakers get distorted randomly on Windows 7?

  - by Daniel Fischer

  I have a studio monitor setup. I have 2 KRK 6's and a Focusrite Firewire Pro 24. Every few hours my speakers sound distorted and my solution has been go to sound levels Properties of Saffire Audio Device Advanced Default Format Toggle to 16 bit then back to 24bit. Why does it screw up every few hours? Sometimes one speaker doesn't output too and this same process resets it but that's more rare. Is this a OS issue or Focusrite Driver Issue?

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• WHEA_UNCORRECTABLE_ERROR BSOD - what is wrong?

  - by Arcane

  Hello I have a problem with my PC getting the WHEA_UNCORRECTABLE_ERROR bsod. It is a few months old pc. I am not overclocking or changing anything in bios, but sometimes (this is my third time) I get this bsod out of nowhere. This last time I was just watching some stream on twitch when the pc suddenly crashed. I have everything up to date in windows update and every other driver as well. Everything in Open hardware Monitor seems ok. Right now as of 10 min after the crash, the CPU temp is at 38°C, fans are at 1400RPM I am using Windows 8.1 Pro 64b. Here are my spec: Intel i5-4570 CPU @ 3.20GHz, Kingston HyperX 8GB DDR3 1600 XMP, GeForce GTX 660 with 340.52 drivers, Corsair VS450 power supply, Gigabyte GA-H87-HD3 you can see the BSOD dump here: https://www.dropbox.com/s/88i1q2nnqnpzux1/082514-29656-01.dmp?dl=0 Can anybody tell me what is wrong?

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• Looking for Inneroffice Access Tool, Workstation to Workstation

  - by nicorellius

  This may be a simple question to answer, and I apologize if it's a duplicate. I looked through the suggestions and nothing jumped out at me as the right answer, so here goes: My office has several workstations, Macs and Windows boxes. We do have a firewall and a VPN solution, so getting in to the network from outside is easy. Likewise, we use GoToMeeting for demos and when we help our customers with their issues. But we have one workstation that has certain testing tools on it, and instead of walking across the office to this machine, I'd like to access it from my desk (and monitor it). I will need to open a command line and run commands. I could start a GoToMeeting and do it this way, but that seems overkill and clunky. Is there a simpler tool that allows pseudo-remote access within the same office/network for this kind of access?

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• Black screen on Ubuntu 12.04

  - by user1648371

  I've just upgraded to Ubuntu 12.04 and I'm experiencing some problems. The first thing I noticed is that when I click the Workspace switcher all I get is a black screen (I can guess where the different workspaces are located and clicked on them, not a practical solution though). In addition when I lock the screen or suspend the laptop (a Vaio VPCEB4M1E) I get a shifted screen (I see the right most vertical stripe on the left size of the monitor and nothing about all the rest, to put it clearly I can see the gear that allows me to turn the pc off, etc, but not much more..) when I go to the additional driver menu I see the "ATI/AMD proprietary FGLRX graphics driver" are installed and the post-release update version is available. I don't know if the problem is driver related, so before doing anything I'd like to get some suggestions from you guys. Thanks you!

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• Software for monitoring internal software?

  - by Tyler Eaves

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

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• Run a pc on battery for 3 days?

  - by Zen 8000k

  I am looking for a low power, low end pc able to run 24/7 without overheating and a way to support it in case of power failure. Power failures can be up to 72 hours. The pc dosen't need a monitor or keyboard. A modem must also be protected in case of power failure. When i say low end, i don't mean crap. The cpu needs to be x86 and have at least 1k cpu in this chart: http://www.cpubenchmark.net/index.php What's the best way to do this?

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• Windows and Linux applications to show cumulative uploads/downloads for each app, at a glance

  - by jontyc

  I've read few quite a few other threads on SU, but they have been focused on instantaneous/average bandwidths (B/sec) rather than cumulative download/upload totals for a period. Either that or they don't drill down to application level. Resource Monitor in Windows 7 only shows bandwidth. I've just been trying NetLimiter and whereas it can show total uploaded/downloaded, it's a case of having one stats window open per application, as opposed to a table showing all applications at once. Looking for applications for both Windows and Linux (Ubuntu), but they don't need to be the same.

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• Apache Unclean shutdown of previous apache run

  - by Jakub Arnold

  I'm having problem with running Apache2.2 on my Vista machine. When I clean install Apache it works just fine, but after I installed PHP, I'm getting this error message in logs. [Fri Oct 23 21:29:02 2009] [warn] pid file C:/Dev/Apache2.2/logs/httpd.pid overwritten -- Unclean shutdown of previous Apache run? Apache service was stopped when installing PHP. I did only one shutdown before instalation via Apache Service Monitor. Deleting httpd.pid and starting again doesn't help. I even tried to lookup process with PID in that file, but there is no such process.

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