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  • Using Twitter to accept messages for a web app

    - by Jon
    I'd like my web app to be able to accept direct messages via twitter. My app won't be sending our any spam, in fact it won't send out any messages at all. It will essentially be a bot controlled account as I would only access the account via an API to check for direct messages. Is this kind of usage permitted within twitter's t & c? Thanks.

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  • Generating wildcard SSL certificate

    - by Xiè Jìléi
    I can make a single SSL certificate for several different domain names: www1.example.com www2.example.com www3.example.com But *.example.com doesn't work. How can I make a single SSL certificate for all sub domains within .example.com? P.S. Here is the extension part of the generated certificate: X509v3 extensions: X509v3 Basic Constraints: CA:FALSE X509v3 Key Usage: Digital Signature, Non Repudiation, Key Encipherment X509v3 Subject Alternative Name: DNS:*.example.com It's simply not matched by any sub-domain under example.com by the browser.

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  • Is there a system monitoring tool that lets me write complex queries against the data?

    - by benhsu
    I am looking for a system stat collection tool that will let me write queries against the data collected. I am planning to answer questions like: what is the average load, over the last 30 days, on this machine between 9AM and 5PM, as opposed to at night what was the average disk io on these 10 machines yesterday what was the average daytime memory usage on these 10 machines last week, as opposed to 2 weeks ago Has anyone done this with, say, collectd or graphite?

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  • What is the difference between "load" and "fetch"?

    - by DragonLord
    I often encounter the words load and fetch in contexts where data are being read from some source, and they seem to have slightly different meanings. What's the difference? I've done some research and couldn't find any specific technical difference in general usage. While the term fetch can refer to one stage in CPU instruction execution, I've seen it used in contexts not related to CPUs, and I'm looking for an answer that is not specific to CPUs.

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  • Excel 2007 save import steps on csv file?

    - by Chris Marisic
    I have a csv file that constantly needs opened into Excel and then have the data copied over to a separate workbook. I find the process of having to click through all of the dialogs, setting the text identifier, setting the columns to all be text extremely tedious. In many actions with data like this in regards to MSSQL or Access the program will ask you if you wish to save these steps however Excel doesn't readily ask that. Is there any way to get a comparable usage with Excel?

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  • CPU running at full capacity when boot to DOS?

    - by Kevin H
    Does the CPU is run at 100% or near full capacity when the computer is booted into MS-DOS? Will the CPU temperature become higher even though we are not running any program in DOS mode? In Windows, we can see the CPU usage in % of utilization in Task Manager. From what I heard, CPU is running at near 100% capacity in DOS OS or in the BIOS MAIN screen. Is this caused by lack of CPU optimization in DOS OS?

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  • Where is the used memory in Task Manager & Resource Monitor coming from?

    - by Sam Adams
    On a Windows 7, the working set memory usage plus private memory does not add up to the total used memory in Task Manager and Windows 7 Resource Monitor. How do you find out where the used memory is coming from? The cached memory can't be part of it because sometimes the total cache is greater than the total in use. The commit memory plus the working set also doesn't add up to the total in use - but even that shouldn't be significant if it did, since commit is virtual.

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  • No output in Linux Keyboard Logger running in VirtualBox

    - by PabloG
    I'm trying to run LKL (Linux Keyboard Logger) in a Ubuntu 9.04 VirtualBox VM (VirtualBox 2.2.2 running on a XP host). The package installs fine, but when I try to run it lkl -l -k /usr/share/lkl/keymaps/us_km -o ./kbd.log & it hogs the CPU usage to 50% and never logs a keystroke (in fact the kbd.log file is never created) Any clues? TIA

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  • KVM-Guest does not boot: qemudParsePCIDeviceStrs

    - by markus
    I have a Server running Ubuntu 10.10 Server-Edition kvm, and libvirt (both ubuntu-native packages) HDD-Partitioning was done with LVM. Then I created some VMs with Virt-Manager and assigned LVM-Volumes to the VMs. Now the VMs do not boot. Virt-Manager shows a CPU-Usage of 100% for this Guest and the VNC-Connection states Booting from Hard Disk The VM-specific logfiles do not show any abnormality only syslog shows a warning warning : qemudParsePCIDeviceStrs:1422 : Unexpected exit status '1', qemu probably failed What can I do to find the error?

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  • Get Remote Processes on Windows 2003 with cpu percentage

    - by Brettski
    I have a production server with it's cpu's running excessively high. Except in critical circumstances nobody is allowed to logon to servers during non maintenance times. I am looking for an application I can use to look at the processes on the remote server which include CPU % usage. An application like top. Windows native tasklist.exe doesn't show percentage, nor does sysinternals pslist.exe. Suggestions?

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  • Tunneling traffic through a proxy using SSH - what does the proxy server see?

    - by nilu
    If I am accessing information (in a browser or via bittorent) through an SSH tunnel, what info will then be possible to obtain on the SSH/proxy server itself? As far as I have understood, the information between the proxy server and my computer is encrypted, but is it not possible for the SSH server admin to obtain info about the traffic? The SSH session requires my credentials, so my guess would be that the server admin would be able to obtain any information about my network usage.

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  • Why do my VMware Images get so large?

    - by stevebot
    Hi, I have a Centos VMware Image that I have recreated a couple times, and I notice that after a while it gets pretty large. It starts out at 8 GBs when I make it, and a week or two later it is 25GB and then a month later it is a whole 50GB or so. I am not installing anything crazy on it, and my disk usage on the VM is pretty low. Is there an option that could be affecting the size of these VMs?

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  • How to monitor an Amazon EC2 instance

    - by sektor
    Is there a way to monitor ec2 instances without using cloudwatch? I ask this since ec2 instances are basically VPS's, and using output from commands like top, vmstat, htop in scripts may not give the clear picture as the CPU cycles are shared between other instances as well. What should one keep in mind while monitoring CPU usage on a VPS?, should one have alerts based on top load or % of CPU used by user processes coupled with other factors like processes waiting on disk io, hardware interrupts?

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  • How to optimally configure memcache running on 16 cores 144G ram server?

    - by Ivko Maksimovic
    Memcache is the only important app running on the server Server has 16 cores and 144G RAM Memcache is given 135G Memcache runs at 32 threads Gigabit network, test shows at least 300Mbit/s availability on network port 600 connections 3000 requests per second Say that memcache (memory) usage is at 50% - it's definitely not full As we increase number of requests towards server, requests slow down (from 8ms to 100ms per request) but server load remains 0.00. We suspect this can be solved by adjusting configuration but we don't understand many of the configuration parameters (besides, maybe, the number of threads). Any ideas?

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  • YUI Compressor java

    - by Alexander
    Hi I want to use Yahoo's compressor for compressing js and css files. Which can be found here: http://developer.yahoo.com/yui/compressor/ My only problem is that i have never used Java before. I have no idea how to execute or use this command line. I only have experience with js, jquery and php. It simply says: Usage: java -jar yuicompressor-x.y.z.jar [options] [input file] How should I proceed?

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  • Configure Postfix to allow incoming mails only from one (defined) mail-id

    - by Saurabh
    I have set-up Postfix with Spamassassin on Ubuntu 12.04.5. Fundamental usage of Postfix is to (pipe) trigger a PHP file. Till here I've arrived successfully. Now, to avoid unneccessary load on the server, and also to avoid unwanted mails triggering my PHP script, I want to configure Postfix to allow mails only from [email protected] and reject everything else. How to achieve this absolute lock-down on mail server unless mail comes from [email protected]?

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  • Users take over a minute to log onto a 2008 windows server. LSM.exe running at 100MB+ memory.

    - by seanyboy
    We've a 64bit Windows Server 2008 running Remote Desktop. The application lsm.exe (the local session manager) appears to be leaking memory. Although the memory usage is quite low when the server is rebooted, this continues to climb until people can no longer log in. The server has no audio card and does not have any AV software installed. The server is fully service packed. (Service pack 2) What could be causing this, and how would I fix it?

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  • Japanese keyboard layout in Windows 7 doesn't correspond to what's written on the physical keyboard

    - by theo
    I have an English version of Windows 7, but my keyboard is Japanese. However, even though I choose a Japanese keyboard (Microsoft IME) under Keyboard and Languages, the layout isn't right. I think it's English layout, but I can't be sure. Anyway, I want the layout and usage to be exactly like it is on a Japanese Windows 7, as there are some nice (mouse free) shortcuts to change between input modes. Any suggestions?

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  • Obtaining Second WAN - Want to keep

    - by ndavis
    My business is growing so I've decided to purchase a second DSL line, to separate two departments to allow for more bandwidth usage. Previously I had a network printer that served both departments. With the addition of the second DSL line, I'm potentially going to have two separate LANs. How can I set it up so that the new LAN still has access to the Network Printer, but ensure that they are still using the new DSL line?

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  • Would it be better to have 10 GB PC5300 or 8 GB PC PC6400?

    - by jayrdub
    My development machine is heavy on memory usage. It currently only has 4GB of PC5300. I'm going to buy 8 GB of RAM, but should I take out all my existing memory and install just PC6400 or leave some of the original and stick with 5300? I don't know if I'll ever need more than 8GB, I might, I'm just wondering if the speed difference between 5300 and 6400 is worth trashing the 2 or 3 GB of old RAM I would still have room for after adding the new RAM.

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