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  • Very High Interrupt CPU usage in Win2k3 VM on vSphere

    - by Darragh
    Hi, I've been testing some software in a server virtual environment and I've noticed I get a huge amount of CPU usage on the Interrupts process. My question is, how does this relate to the virtual hardware platform as the rate is allot lower in a real system. Some how the hypervizor scheduler works hard to over come this problem but not as well as on real hardware does. Obvious things are high I/O and disk access but this application mostly just sits and works in memory allot. If anyone has experienced the same, please let me know. thanks in advance Screenshot: Process Explorer

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  • Controlling the fontsize across multiple browsers

    - by Matthias
    Hello, I've got 3 browsers on my WinXPpro: Firefox 3.5.2, Opera 10 and IE 7. Alle pages are displayed fine in FF. Opera and IE seem to have a very similar issue: Both upsize fonts eventhough zoom mode in both browsers is set to 100%. I tend to believe that this might be a system-wide setting, somewhere. Does anyone know this problem? Thanks in advance.

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  • Unable to set nginx to serve my staging website

    - by user100778
    I'm having some troubles setting up nginx to serve my staging website. What I did is change the server_name but for some reasons it just doesn't work. The url scheme is "domain.foo" is production, "staging.domain.foo" is staging, "foobar.domain.foo" is a web service, "foobar.staging.domain.foo" is the staging version of the same webserver, ".domain.foo" is routed to serve some s3 static HTML, ".staging.domain.foo" is routed to serve some s3 static HTML in another bucket. All production urls work and are correctly configured, all staging urls doesn't work. Here is my conf file. You will see some duplication, I will gladly accept any correction/optimization, I'm a coder and configuring servers is definitely not my thing (but I'm eager to learn and improve...). server { listen 80; ## listen for ipv4 server_name "domain.foo" "www.domain.foo" default_server; access_log /var/log/nginx/access.log; client_max_body_size 5M; location / { proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_redirect off; location ~* \.(jpg|jpeg|gif|png|ico|css|bmp|js|html)$ { access_log off; expires max; root /home/foo/Foo/current/public; break; } if ($host ~ 'www.domain.foo') { rewrite ^/(.*)$ http://domain/foo/$1 permanent; } proxy_pass http://production; break; } } server { listen 80; server_name "staging.domain.foo"; access_log /var/log/nginx/access.staging.log; error_log /var/log/nginx/error.staging.log; client_max_body_size 5M; location / { proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_redirect off; proxy_pass http://staging; break; } } server { listen 80; ## listen for ipv4 server_name "foobar.domain.foo"; access_log /var/log/nginx/access.log; location / { proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_redirect off; if ($host = 'foobar.domain.foo') { proxy_pass http://foobar; break; } } } server { listen 80; ## listen for ipv4 server_name foobar.staging.domain.foo; location / { proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_redirect off; proxy_pass http://foobar_staging; break; } } server { listen 80; server_name "~^(.+)\.domain\.foo$"; location / { proxy_intercept_errors on; error_page 404 = http://domain.foo/404; set $subdomain $1; rewrite /$ "/$subdomain/index.html" break; rewrite ^ /$subdomain$request_uri? break; proxy_pass http://bucket.domain.foo.s3.amazonaws.com; } } server { listen 80; server_name "~^(.+)\.staging\.domain\.foo$"; location / { proxy_intercept_errors on; set $subdomain $1; rewrite /$ "/$subdomain/index.html" break; rewrite ^ /$subdomain$request_uri? break; proxy_pass http://bucket.staging.domain.foo.s3.amazonaws.com; } } upstream production { server 111.255.111.110:8000; server 111.255.111.110:8001; server 111.255.111.110:8002; server 111.255.111.110:8003; } upstream staging { server 222.255.222.222:8000; server 222.255.222.222:8001; } upstream foobar { server 111.255.222.165:9000; server 111.255.222.165:9001; server 111.255.222.165:9002; } upstream foobar_staging { server 222.255.222.222:9000; } What happens now when I point my browser to staging.domain.foo is that it hangs. Can't find anything in the logs, but for example the access.staging.log and errors.staging.log are created. Anybody has an idea? :)

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  • What proportion of DBA skills are platform-independent?

    - by Arkaaito
    Problem: we've grown to the point where we need a real DBA. Real DBAs are hard to find. Possible solution: I know someone with extensive experience (currently working on MSSQL) who is looking for a new DBA job. He might be willing to consider working for a MySQL shop (I haven't asked). Snag: I don't know to what extent MSSQL DBA skills map to MySQL DBA skills. I'm a developer, so I know enough about MySQL to develop apps which use it (including the basic performance-tuning, index selection, etc.), do schema design, and perform simple utility tasks (backup with mysqldump, scripting, etc.). I don't know anything about MSSQL. Nor do I actually know much about the boundaries of the DBA role. Can anyone with more experience - perhaps as a DBA - weigh in on this? Are there enough similarities between MSSQL and MySQL that it's worth asking a MSSQL DBA if he'd be interested in applying for a MySQL position?

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  • v4l - capture and watch at the same time

    - by John Barrett
    Capturing v4l and line-in audio using mencoder works very well, but I would like to record real-time gameplay video from consoles plugged into the video card. I've used xawtv for this (Works quite well, can preview and record in real time), but when I enable any deinterlacing or aspect ration options the video fails to record. I have to record raw and re-encode the video with the appropriate filters later to get something workable. Other things I have tried: tvtime with xvidcap and jack audio capture - xvidcap drops frames and muxing the audio is impossible as it will go out of sync (I have not found muxer options that work to force a correct frame rate) mencoder capture to file, attempt to pipe tail of file to mplayer... mencoder works great, piping the file is far too heavy to attempt gameplay. Soooo, v4l capture and preview simultaneously, recommendations?

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  • nginx reverse proxy subdomain is redirecting

    - by holtkampw
    So I have a frontend nginx server which will proxy to several other nginx servers (running Passenger for Rails apps). Here's the part of the frontend nginx config in question: server { listen 80; server_name git.domain.com; access_log /server/domain/log/nginx.access.log; error_log /server/domain/log/nginx_error.log debug; location / { proxy_pass http://127.0.0.1:8020/; proxy_redirect off; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_max_temp_file_size 0; client_max_body_size 10m; client_body_buffer_size 128k; proxy_connect_timeout 90; proxy_send_timeout 90; proxy_read_timeout 90; proxy_buffer_size 4k; proxy_buffers 4 32k; proxy_busy_buffers_size 64k; proxy_temp_file_write_size 64k; } } server { listen 80; server_name domain.com; access_log /server/domain/log/nginx.access.log; error_log /server/domain/log/nginx_error.log debug; location / { proxy_pass http://127.0.0.1:8000/; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_redirect off; proxy_set_header X_FORWARDED_PROTO https; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; } } Finally here's the backend for git.domain.com: server { listen 8020; #server_name localhost; root /server/gitorious/gitorious/public/; passenger_enabled on; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_redirect off; proxy_set_header X_FORWARDED_PROTO https; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; } So here's the problem. When I type in git.domain.com, my gitorious install will redirect to domain.com. It works perfect there, but it ignores the subdomain. At first I thought it was the server_name construct. I have tried git.domain.com, domain.com, localhost, and currently none. Any ideas?

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  • HDMI vs Component vs VGA vs DVI vs DisplayPort

    - by Nazadus
    What is the real benefits of all of these? From what I can understand, HDMI offers the ability to send audio along the same cable as well as the ability to do progressive scan. I've Googled but I can't seem to find any real answers. Why would someone care to run 1280x1024 over HDMI or DVI instead of VGA? What about component? All I hear is one is digital and one is analog, but I can't find what that means from a feature/benefit stand point.

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  • What is your favorite TN3270 Client?

    - by Vaibhav Bajpai
    I am using Mocha W32 TN3270 at work currently, and wondering what good alternatives exists? Recommendations on monospaced fonts for the client along with custom color settings would be appreciated as well. I am using Monaco with the default color settings, but it does not just cut it, some screenshots of your client at workplace are welcomed

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  • Virtual Machines: What components should I upgrade to improve running virtual machines?

    - by joshsvoss
    at work I need to have one or sometimes two instances of a vmware virtual Windows 7 machine running on my real Windows 7 machine. The computer I'm using is Dell Precision 490 from 2009 I believe, possibly earlier. Running Windows 7 ultimate. Problems while running VM's: The entire computer slows down when a vmware instance is running. Pages take a while to react to a scroll, applications take forever to launch, and programs hang both in the virtual machines and on the real one. So, what components should I upgrade to improve this? I guess a more pointed question would be, which components will help the most? Possible options: Getting 8gb of RAM instead of 4gb new graphics card new processors? (Is that really an option?) My intuition tells me it will be a combination of the RAM and graphics card. There is also the possibility that an '09 tower just isn't cut out for vm's and our business should purchase a new tower.

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  • LVS Configuration issue (Using piranha Tool)

    - by PravinG
    I have configured LVS on cent os using piranha tool .I am using vip of internal n/w as gateway for real server we have two NIC one having exteranl Ip and other for internal n/w which is on 192.168.3.0/24 network. But I am not able to connect from client it shows connection refused error . Please suggest iptables rules for private n public n/w to communicate. May be I am missing this . Iptables rules that we have added are : iptables -t nat -A POSTROUTING -p tcp -s 192.168.3.0/24 --sport 5000 -j MASQUERADE this is my ipconfig: eth0 Link encap:Ethernet HWaddr 00:00:E8:F6:74:DA inet addr:122.166.233.133 Bcast:122.166.233.255 Mask:255.255.255.0 inet6 addr: fe80::200:e8ff:fef6:74da/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:94433 errors:0 dropped:0 overruns:0 frame:0 TX packets:130966 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:9469972 (9.0 MiB) TX bytes:19929308 (19.0 MiB) Interrupt:16 Base address:0x2000 eth0:1 Link encap:Ethernet HWaddr 00:00:E8:F6:74:DA inet addr:122.166.233.136 Bcast:122.166.233.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:16 Base address:0x2000 eth1 Link encap:Ethernet HWaddr 00:E0:20:14:F9:2D inet addr:192.168.3.1 Bcast:192.168.3.255 Mask:255.255.255.0 inet6 addr: fe80::2e0:20ff:fe14:f92d/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:123718 errors:0 dropped:0 overruns:0 frame:0 TX packets:148856 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:18738556 (17.8 MiB) TX bytes:11697153 (11.1 MiB) Interrupt:17 Memory:60000400-600004ff eth1:1 Link encap:Ethernet HWaddr 00:E0:20:14:F9:2D inet addr:192.168.3.10 Bcast:192.168.3.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:17 Memory:60000400-600004ff eth2 Link encap:Ethernet HWaddr 00:16:76:6E:D1:D2 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) Interrupt:21 Base address:0xa500 and ipvsadm -ln command [root@abts-kk-static-133 ~]# ipvsadm -ln IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn TCP 122.166.233.136:5000 wlc TCP 122.166.233.136:5004 wlc lvs server routing table Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.3.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 122.166.233.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 192.168.122.0 0.0.0.0 255.255.255.0 U 0 0 0 virbr0 169.254.0.0 0.0.0.0 255.255.0.0 U 1003 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 1004 0 0 eth1 0.0.0.0 122.166.233.1 0.0.0.0 UG 0 0 0 eth0 real 1 real 2 we have configured various ports from 5000:5008 . Do we need to this iptables for all ports? Suggest me how should I solve this issue.

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  • Can Resource Governor for SQL Server 2008 be scripted?

    - by blueberryfields
    I'm looking for a method to, in real-time, automatically, adjust Resource Governor settings. Here's an example: Imagine that I have 10 applications, each hitting a different database on the same database machine. For normal operations, they do not hit the database very hard, so I might want each one to have 10% CPU power reserved. Occasionally, though, one or two of them might spike, and run an operation which could really use the extra power to run faster. I'd like to be able to adjust to compensate (say, reducing the non-spiking apps to 3%, and splitting the difference between the spiking apps). This is a kind of poor man's method of trying to dynamically adjust resource allocation and priorities. Scripts (or something script-like) is preferred, since the requirement is for meta-level adjustments to be possible in real-time, also.

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  • What's the downsides of Running Ubuntu 9.10 32bit on AMD64 Processor

    - by Omar Dolaimy
    Hi, I was thinking about installing Ubuntu 9.10 32bit on a DELL Inspiron 1501 with 64bit processor Laptop. Since It's was real pain to me to run Java Browser plugin, Flash Plugin, J2ME Toolkit, and many other tools. But It was 90% OK with me. This was Ubuntu 8.10 (a year ago), And now the Ubuntu 9.10 came and I'm thinking about installing the 32 bit on it and get rid of the pain. Is there a downside for that?? considering that the display card is not supported now so exclude this from your calculation, I will never play REAL games on it and I'm not a big fan of Compiz effects. I'm not here to ask about the performance (which is about 15%+ for the 64bit only), I just want compatibility!

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  • Apache proxy is modifying the HTTP status code

    - by jarnbjo
    I am using Apache as a proxy frontend for a Java web application, which is deployed on WebSphere. The web application is using custom status codes (55x) to signal specific errors to the clients. When accessing the web application directly through the WebSphere HTTP listener, everything works as expected, but when these requests are proxied through an Apache load balancer, the status codes are modified by Apache and replaced with a generic 500 error code (internal server error). In Apache's access.log, the correct status code is logged: <IP> - - [11/Nov/2011:17:24:53 +0100] "POST <URL> HTTP/1.1" 551 36 But the actual response received by the client starts like this (logged with tcpdump): HTTP/1.1 500 Internal Server Error ... Followed by the real status code in the response content: ... Error 551: Berichteter Fehler: 551 ... Is there an obvious reason for this behaviour or does someone have a suggestion on how to modify the Apache configuration to forward the "real" status code instead of 500?

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  • Do you have any additions or alterations to this list of popular audio formats?

    - by roja
    All, I am trying to compile a list of common audio file formats used in both personal storage and peer transmission. I have compiled the following list, do you think that there are any significant formats missing? Are any of them not actually common formats? Any advice/alterations are highly useful. advanced audio coding, apple lossless audio file, atrac3 audio file, atrac audio file, audio interchange file format, core audio file, free lossless audio codec file, mpeg 1 audio layer 3, mpeg 2 audio, mpeg 4 audio book file, musical instrument digital interface, ogg vorbis compressed audio file, open media framework file, real audio, real audio media, waveform audio file format, windows media audio Kind regards, Roja

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  • Quality gets worse using ffmpeg and Flash

    - by HOpety
    I have bunch of flash videos and am adding my brand to all of them. The problem is quality gets worse. I am doing with this command: ffmpeg -i /input.flv -vhook "/usr/loca/vhook/drawtext.so -f /usr/share/fonts/somefont.ttf -x 5 -y 5 t MyBrand" -f flv -s 320x240 - | flvtools2 -U stdin /output.flv Please tell me what I am doing wrong. I need the same quality.

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  • Why do Chinese filenames displays as boxes in Windows 7?

    - by Roddy
    I'm running Windows 7 Professional (UK), and trying to get filenames containing Chinese characters to display correctly in Explorer. I can create Chinese filenames in explorer by pasting text from a webpage or using the Chinese IME to rename files, but the characters just display as boxes (Unicode 'missing character' glyph). The Chinese fonts are installed on the system, and web pages display OK in the browser. In particular, I can see the correct Chinese filenames by pointing chrome at file://C:\, for example.

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  • Not able to install java in ubuntu 9.10

    - by piemesons
    Error i am getting:-- E: I wasn't able to locate a file for the sun-java6-bin package. This might mean you need to manually fix this package. (due to missing arch) then a blue dialog box appears with OK (Which is not clickable and pressing enter is not workin.) EDIT sudo dpkg --configure -a sudo aptitude clean sudo aptitude update sudo aptitude dist-upgrade sudo aptitude install sun-java6-jre sun-java6-plugin sun-java6-fonts Tried this but still not working... same problem.

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  • Disk Response Time in Windows 7 Resource Monitor?

    - by Keith Nicholas
    In the resource monitor I'am looking at the disk response time. There are a lot of processes where the response time is thousands of milliseconds consistently, I'm pretty sure this is the source of my computer slowing down. I'm not sure what normal response times are though? I'm running win 7 64bit ultimate. This is running on a new computer, i5 with a terabyte drive, 4gigs of ram, etc, disk is still pretty much empty, so it should all be pretty snappy. And if it is going really slow, how do I track down whats causing it? I've turned off things like real time virus protection as experiments to see if there is something weird there, but makes no real difference (other than it doesn't contribute to the problem by accessing the disk)

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  • Keyboard mapping issue in Virtualbox on Mac OS

    - by stanleyxu2005
    I run Windows 7 as a VM in VirtualBox on my MacBook Air (using OS X 10.7). If I do not shutdown the VM but save its machine state. The keyboard will behave strangely after resuming. It seems the Windows Logo key is always hold. When I type the key 'u', the Control Panel will be shown. I tested on a real Windows 7, the same dialog will be shown when I press Win-key and 'u'. When I type the key 'e', the Explorer will show up, some as press Win-key and 'e' on a real Windows 7. If I click 'Restart' from the Start menu of Windows 7, after restarting the VM, the keyboard works again. I think there are some conflicts with keyboard driver in VM. It is quite annoying, usually I usually close a VM by saving its machine state, not shut the OS down. Is there any way to solve this problem?

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  • Quality gets worse

    - by HOpety
    I have bunch of flash videos and am adding my brand to all of them. The problem is quality gets worse. I am doing with this command: ffmpeg -i /input.flv -vhook "/usr/loca/vhook/drawtext.so -f /usr/share/fonts/somefont.ttf -x 5 -y 5 t MyBrand" -f flv -s 320x240 - | flvtools2 -U stdin /output.flv Please tell me what I am doing wrong. I need the same quality.

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  • Quality gets worse

    - by Hopery
    I have bunch of flash videos and am adding my brand to all of them. The problem is quality gets worse. I am doing with this command: ffmpeg -i /input.flv -vhook "/usr/loca/vhook/drawtext.so -f /usr/share/fonts/somefont.ttf -x 5 -y 5 t MyBrand" -f flv -s 320x240 - | flvtools2 -U stdin /output.flv Please tell me what I am doing wrong. I need the same quality.

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