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  • Linux Server Performance Monitoring

    - by Jon
    I'm looking to monitor performance on my Linux servers (which happen to be Centos). What are the best tools for monitoring things in realtime such as: Disk Performance I/O, swapping etc.. CPU Performance Looking for low level tools, rather than web based tools such as Nagios, Ganglia etc... n.b. I'd like to know exactly what each tool does rather than just having a list of random toolnames if possible please. Why the tool is a better option than others would be good also.

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  • Session Cookies and IE 8

    - by Matt Luongo
    I recently built a simple web-app deployed over Tomcat. The app uses pretty standard session based security where a user who has logged in is given a session. Sessions work fine in Firefox and Chrome, but require the use of jsessionid in the URL for IE (tested 7 & 8), set to medium privacy. In IE 8, I tried to override cookie handling, setting "Allow all 3rd party cookies" and "Allow all session cookies"- no dice. However, when I run Tomcat on my local machine, IE accepts the cookie, and sessions work just fine. And now, for the HTTP headers. From Chrome, a logged in user gets a session GET http://devl:8080/testing/ HTTP/1.1 Host: devl:8080 Connection: keep-alive User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/532.5 (KHTML, like Gecko) Chrome/4.1.249.1036 Safari/532.5 Accept: application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5 Accept-Encoding: gzip,deflate,sdch Accept-Language: en-US,en;q=0.8 Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 HTTP/1.1 200 OK Server: Apache-Coyote/1.1 P3P: CP="NON CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT STA" Set-Cookie: JSESSIONID=9280023BCE2046F32B13C89130CBC397; Path=/testing Content-Type: text/html;charset=UTF-8 Content-Language: en-US Content-Length: 2450 Date: Fri, 26 Mar 2010 14:14:40 GMT GET http://devl:8080/testing/logout HTTP/1.1 Host: devl:8080 Connection: keep-alive User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/532.5 (KHTML, like Gecko) Chrome/4.1.249.1036 Safari/532.5 Referer: http://devl:8080/testing/ Accept: application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5 Accept-Encoding: gzip,deflate,sdch Accept-Language: en-US,en;q=0.8 Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 Cookie: JSESSIONID=9280023BCE2046F32B13C89130CBC397 ... From IE 8, with standard medium level security and privacy- GET http://devl:8080/testing/ HTTP/1.1 Accept: application/x-ms-application, image/jpeg, application/xaml+xml, image/gif, image/pjpeg, application/x-ms-xbap, */* Accept-Language: en-US User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Win64; x64; Trident/4.0; .NET CLR 2.0.50727; SLCC2; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; MDDC; Tablet PC 2.0) UA-CPU: AMD64 Accept-Encoding: gzip, deflate Host: devl:8080 Connection: Keep-Alive HTTP/1.1 200 OK Server: Apache-Coyote/1.1 P3P: CP="NON CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT STA" Set-Cookie: JSESSIONID=192999F922D6E9C868314452726764BA; Path=/testing Content-Type: text/html;charset=UTF-8 Content-Language: en-US Content-Length: 2450 Date: Fri, 26 Mar 2010 14:32:34 GMT GET http://devl:8080/testing/logout HTTP/1.1 Accept: application/x-ms-application, image/jpeg, application/xaml+xml, image/gif, image/pjpeg, application/x-ms-xbap, */* Referer: http://devl:8080/testing/;jsessionid=6371A83EFE39A46997544F9146AA5CEA Accept-Language: en-US User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Win64; x64; Trident/4.0; .NET CLR 2.0.50727; SLCC2; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; MDDC; Tablet PC 2.0) UA-CPU: AMD64 Accept-Encoding: gzip, deflate Connection: Keep-Alive Host: devl:8080 ... I thought it might be P3P, but on adding a compact policy, nothing changes. This is the standard Tomcat session, so I'm really surprised I haven't been able to find other people with the same problem so far. Anyone have any ideas?

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  • HP-UX (PA-RISC|Itanium) virtualisation on (x86-64|x86)

    - by Oleksandr Bolotov
    I'm looking for a way to run HP-UX (for educational purposes), but I don't have HP hardware right now. These options are not very suitable for me: HP TestDrive program - Looks like it was discontinued 2 years ago. Ski - looks like only CPU emulator. Is it worth trying? HPPAQEMU - Patch for old Qemu for HPPA-Linux guest-OS only. Is it worth trying? hp-ux Aires - I don't need to visualize HP-PA on HP-Itanium. That question is about using HP-UX without HP hardware.

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  • Which part of the computer needs all the power from the PSU?

    - by Xeoncross
    A couple years ago I was building a new Core 2 Quad system and after reading all the reviews was convinced that I would need at least a 400 watt power supply unit (PSU). I bought a 500W Antec EarthWatts However, last year I bought a Kill-A-Watt power meter to test some things around our house and found that my PC was only using 80W of power while idle! (C2Q, 4GB RAM, SATA HD, & DVD burner) Well, here I am building another computer with a 65watt Core 2 CPU in it and I'm wondering if I can skimp out this time and get a 300watt or so unit since my usage doesn't seem to be what everyone claims it is. I'm sure that the people in the reviews who exhausted 500watt PSU weren't lying - so what is it that uses all that? The high-end dual SLI video cards? Lots of SATA drives? Overclocking?

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  • How is htop "Swp" calculated?

    - by Thomas
    When I run htop (on OS X 10.6.8), I see something like this : 1 [||||||| 20.0%] Tasks: 70 total, 0 running 2 [||| 7.2%] Load average: 1.11 0.79 0.64 3 [|||||||||||||||||||||||||||81.3%] Uptime: 00:30:42 4 [|| 5.8%] Mem[|||||||||||||||||||||3872/4096MB] Swp[ 0/0MB] PID USER PRI NI VIRT RES SHR S CPU% MEM% TIME+ Command 284 501 57 0 15.3G 1064M 0 S 0.0 6.5 0:01.26 /Applications/Firefox.app/Contents/MacOS/firefox -psn_0_90134 437 501 57 0 14.8G 785M 0 S 0.0 4.8 0:00.18 /Applications/Thunderbird.app/Contents/MacOS/thunderbird -psn_0_114716 428 501 63 0 12.8G 351M 0 S 1.0 2.1 0:00.51 /Applications/Firefox.app/Contents/MacOS/plugin-container.app/Contents/MacOS/ 696 501 63 0 11.7G 175M 0 S 0.0 1.1 0:00.02 /System/Library/Frameworks/QuickLook.framework/Resources/quicklookd.app/Conte 38 0 33 0 11.1G 422M 0 S 0.0 2.6 0:00.59 /System/Library/Frameworks/CoreServices.framework/Frameworks/Metadata.framewo 183 501 48 0 10.9G 137M 0 S 0.0 0.8 0:00.03 /System/Library/CoreServices/Finder.app/Contents/MacOS/Finder How can I have Processes using Gigabytes of VIRT memory and still 0MB of Swap used ?

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  • Windows7 and Virtual PC guest copy/paste intermittent delay

    - by James
    I've been using Virtual PC for some time now and have not had any issues with copy and paste until I upgraded my host to Windows7 64-bit. After the upgrade sometimes when I copy and paste some text there is like a 15-20 second delay before it completes, this is very frustrating when I'm trying to get my work done. The problem seems to be intermittent in nature, it seems to occur when I have not done a copy paste for a while. After the delay occurs copy and paste seem to work at normal speed until I don't copy and paste for a good length of time. My question is, is there any solutions or patches that can fix this copy/paste issue for virtual PC running in a 64-bit windows7 host?

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  • Does SOLARIS have similar file to Linux's /etc/security/limits.conf?

    - by SQL Warrior
    I'm doing compliance check on SOLARIS 10 OS. I need to verify the following parameter settings: core file size (blocks, -c) unlimited data seg size (kbytes, -d) unlimited file size (blocks, -f) unlimited open files (-n) 65536 stack size (kbytes, -s) unlimited cpu time (seconds, -t) unlimited virtual memory (kbytes, -v) unlimited Sure I could use ulimit -cH to get display above. But I also need to find where those settings are. I'm from Linux, in Linux we have /etc/security/limts.conf file to hold alike information. Do we have such file in Solaris? TIA!

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  • Virus that tries to brute force attack Active Directory users (in alphabetical order)?

    - by Nate Pinchot
    Users started complaining about slow network speed so I fired up Wireshark. Did some checking and found many PCs sending packets similar to the following: (screenshot) http://imgur.com/45VlI.png I blurred out the text for the username, computer name and domain name (since it matches the internet domain name). Computers are spamming the Active Directory servers trying to brute force hack passwords. It will start with Administrator and go down the list of users in alphabetical order. Physically going to the PC finds no one anywhere near it and this behavior is spread across the network so it appears to be a virus of some sort. Scanning computers which have been caught spamming the server with Malwarebytes, Super Antispyware and BitDefender (this is the antivirus the client has) yields no results. This is an enterprise network with about 2500 PCs so doing a rebuild is not a favorable option. My next step is to contact BitDefender to see what help they can provide. Has anybody seen anything like this or have any ideas what it could possibly be?

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  • Remote desktop is slow when connecting to a computer which is part of a domain

    - by Peuge
    Hey all, We have two windows 2003 machines, one is a DC and another is joined to the domain of the DC. These machines are not locally available to us so we have to remote desktop into them. When we first got the machines remote desktop was blazing as the machines are only a couple of miles away. I then installed AD and setup routing and remote access, I also setup DNS on the DC. Now when I try remote Desktop into the machine which is part of the domain (not the DC) it is painfully slow! Remote Desktop onto the DC is also noticeably slower! Another problem is that our FTP to the DC has also become slow. I don't know what other information I can provide, as I am new to Sys Admin (moving over from development). The speed should be fast as these machines are only a couple of miles away. Any help / suggestions is greatly appreciated! Thanks Peuge

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  • How should I force-enable BIND's persistent cache, or Unbound's persistent cache

    - by Jacob Rabinsun
    I am trying to run a local DNS server on my home computer so that I can both increase DNS lookups speed and reduce bandwidth use, so that both my laptop and my PC can do lookups faster. I have got BIND 9 running very smoothly, there is only one simple problem, and that being the fact that BIND is not a persistent DNS cache, and if I restart its service, the whole cash would be wiped out. So, is there a way that I could make BIND9 keep its cache after system restart? Also, which one is better Unbound or BIND? Which one would you suggest? Does Unbound DNS have a persistent cache or can it be enabled?

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  • Flash 11 crashing Mac browsers?

    - by dlamblin
    I run Mac OS X 10.6.8 and Flash 11 in Google Chrome 15. The process part looks like this: username 93458 11.4 14.0 2469136 588600 ?? S 2:02AM 5:37.25 /Applications/Google Chrome.app/Contents/Versions/15.0.874.121/Google Chrome Helper EH.app/Contents/MacOS/Google Chrome Helper EH --type=plugin --plugin-path=/Applications/Google Chrome.app/Contents/Versions/15.0.874.121/Google Chrome Framework.framework/Internet Plug-Ins/Flash Player Plugin for Chrome.plugin --lang=en-US --channel=42748.0x2b3200f0.835069097 --enable-crash-reporter=46CB5F28860932569647D54223EACE3E In some flash games it seems memory use grows from 100mb to 300mb and randomly (at no particular memory limit, there's still 1-2 gb free) it churns the CPU at 90% oscillating between a kernel_task process and the plugin. Has anyone experienced this and is there some setting that fixes this? I've uninstalled Flash from the system otherwise (Chrome bundles it) so I only use chrome for Flash games, and as a plus the other browsers are quite solid without Flash.

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  • OpenVPN slow with Firewall enabled on Zyxel ZyWall USG-100

    - by aleroot
    I have an OpenVPN server on a Linux machine, after installing a ZyWall USG-100 I'm experiencing extremely slowness navigating web servers on my remote LAN through the VPN connection, while accessing the web interface of the ZyWall is fast. I have configured everything : the Virtual Server for the OpenVPN Server, the static route as with the replaced router that I had before installing the ZyWall Today. I even added a rule to the firewall that allows connection to the OpenVPN Server machine : but navigation on the LAN through the VPN still slow, it seems that the Firewall is blocking packages, since if I disable the firewall on the USG-100 everything works fast as usual, while with the firewall enabled it is extremely slow. Why ? Do I need to add some other rule to the firewall to speed up ?

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  • Re-Calibrate Toshiba battery meter with Windows 7

    - by Mark Henderson
    I have a Toshiba U300 laptop. Back in the olden days (circa-2000) you could re-calibrate the battery meter from the BIOS when your battery was no longer reading accurately. My battery was shot, so I bought a brand new one, however Windows 7 still seems to count down the battery life in at the same speed as the old one did. This time, when it alleged 0%, I turned the laptop back on and got another 90 minutes of life out of it, at 0%. Is there a tool or utility for Toshiba laptops that can fix it back to being accurate? I've read the other threads on SU about cycling the battery but that just doesn't seem to do it in this case. Update: After the last cycle, the battery meter now reads 100% but the indicator on the front of the laptop is still orange (indicating not fully charged)

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  • Bridging with aliased Ethernet card for Virtualizing with single Ethernet card

    - by user113505
    We are having a server with good CPU and RAM,so we are planning to do XEN virtualization on ubuntu 12.04 server to handle high traffic. The plan is to keep the host machine only to manage VMs(no NAT ing). A New public IP will be assigned to that VM,For that i think we need a Bridge to external network(Since my Machine has only single ethernet card aliased with 4 different Pub IP's) Is it possible to create a bridge using aliased IP single ethernet card aliased to 4 pub IPs Do we need an additional Ethernet card to do Bridging.Only have ssh access to the machine. Any suggestions will be appreciated.

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  • ASP.NET Web Server Hardware Configuration

    - by Santa Te Banta
    I'm planning on deploying my ASP.NET Web app in the production environment using a Windows Server 2003 machine. But I know nothing about the CPU brand names and what's best. I know 4 GB RAM, with anything over 3 GHz clock speed will be a good bet and will serve a large number of users. But tell me what's the latest and greatest processor brand-names for running a Windows Server 2003 OS today? And what edition of the Windows 2003 Server do I need out of the following, if I have to run a website to support about 100,000 (a hundred thousand) users, 60% of who are expected to be online at all times? Web Edition Standard Enterprise Datacenter source: http://en.wikipedia.org/wiki/Windows_Server_2003 The article says that the Web edition can only support up to 2 GB of RAM. Will that be sufficient for the above user population?

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  • Dual monitors through 1 HDMI port

    - by Carlos
    I currently have a Dell Studio XPS 13 laptop connected to a 24" HP monitor (w2448hc). Im thinking on getting a second one, however am wondering what i need for the setup (hardware wise). Also I was wondering it there is any down side to it, or something i should be aware of. For example, image quality loss, GPU overloading, or anything important I should know. More than anything Im interested in your advice. Also the monitors do have built in speakers (HDMI sound output), is the sound going to be reproduced by only one monitor or both? Specs Model: Dell Studio XPS 13 OS: Genuine Windows® 7 Home Premium 64-Bit CPU: Intel® CoreTM 2 Duo P8600 (2.4GHz, 3MB L2 Cache, 1067MHz FSB) Chipset: NVIDIA® GeForce® MCP79MX RAM: 4GB 1067MHz DDR3 SDRAM Graphics: SLi NVIDIA® GeForce® 9500M - 256MB Thanks for your advice, if there is anything additional i need to buy an you have a personal preference pass the brand name so i can check it out. Thanks!

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  • Windows 7 Machine Makes Router Drop -All- Wireless Connections

    - by Hammer Bro.
    Some background: My home network consists of my Desktop, a two-month old Windows 7 (x64) machine which is online most frequently (N-spec), as well as three other Windows XP laptops (all G) that only connect every now and then (one for work, one for Netflix, and the other for infrequent regular laptop uses). I used to have a Belkin F5D8236-4 wireless router, and everything worked great. A week ago, however, I found out that the Belkin absolutely in no way would establish a VPN connection, something that has become important for work. So I bought a Netgear WNR3500v2/U/L. The wireless was acting a little sketchy at first for just the Windows 7 machine, but I thought it had something to do with 802.11N and I was in a hurry so I just fished up an ethernet cable and disabled the computer's wireless. It has now become apparent, though, that whenever the Windows 7 machine is connected to the router, all wireless connections become unstable. I was using my work laptop for a solid six hours today with no trouble, having multiple SSH connections open over VPN and streaming internet radio in the background. Then, within two minutes of turning on this Windows 7 box, I had lost all connectivity over the wireless. And I was two feet away from the router. The same sort of thing happens on all of the other laptops -- Netflix can be playing stuff all weekend, but if I come up here and do things on this (W7) computer, the streaming will be dead within ten minutes. So here are my basic observations: If the Windows 7 machine is off, then all connections will have a Signal Strength of Very Good or Excellent and a Speed of 48-54 Mbps for an indefinite amount of time. Shortly after the Windows 7 machine is turned on, all wireless connections will experience a consistent decline in Speed down to 1.0 Mbps, eventually losing their connection entirely. These machines will continue to maintain 70% signal strength, as observed by themselves and router. Once dropped, a wireless connection will have difficulty reconnecting. And, if a connection manages to become established, it will quickly drop off again. The Windows 7 machine itself will continue to function just fine if it's using a wired connection, although it will experience these same issues over the wireless. All of the drivers and firmwares are up to date, and this happened both with the stock Netgear firmware as well as the (current) DD-WRT. What I've tried: Making sure each computer is being assigned a distinct IP. (They are.) Disabling UPnP and Stateful Packet Inspection on the router. Disabling Network Sharing, SSDP Discovery, TCP/IP NetBios Helper and Computer Browser services on the Windows 7 machine. Disabling QoS Packet Scheduler, IPv6, and Link Layer Topology Discovery options on my ethernet controller (leaving only Client for Microsoft Networks, File and Printer Sharing, and IPv4 enabled). What I think: It seems awfully similar to the problems discussed in detail at http://social.msdn.microsoft.com/Forums/en/wsk/thread/1064e397-9d9b-4ae2-bc8e-c8798e591915 (which was both the most relevant and concrete information I could dig up on the internet). I still think that something the Windows 7 IP stack (or just Operating System itself) is doing is giving the router fits. However, I could be wrong, because I have two key differences. One is that most instances of this problem are reported as the entire router dying or restarting, and mine still works just fine over the wired connection. The other is that it's a new router, tested with both the factory firmware and the (I assume) well-maintained DD-WRT project. Even if Windows 7 is still secretly sending IPv6 packets or the TCP Window Scaling implementation that I hear Vista caused some trouble with (even though I've tried my best to disable anything fancy), this router should support those functions. I don't want to get a new or a replacement router unless someone can convince me that this is a defective unit. But the problem seems too specific and predictable by my instincts to be a hardware hiccup. And I don't want to deal with the inevitable problems that always seem to take half a day to resolve when getting a new router, since I'm frantically working (including tomorrow) to complete a project by next week's deadline. Plus, I think in the worst case scenario, I could keep this router connected directly to the modem, disable its wireless entirely, and connect the old Belkin to it directly. That should allow me to still use VPN (although I'll have to plug my work laptop directly into that router), and then maintain wireless connections for all of the other computers. But that feels so wrong to me. Anyone have any ideas what the cause and possible solution could be? Clarifications: The Windows 7 machine is directly connected via an ethernet cable to the router for everything above. But while it is online, all other computers' wireless connections become unusable. It is not an issue of signal strength or interference -- no other devices within scanning range are using Channel 1, and the problem will affect computers that are literally feet away from the router with 95% signal strength.

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  • PHP pages working slow from time to time

    - by user1038179
    I have VPS with limit of 2GB of ram and 8 CPU cores. I have 5 sites on that VPS (one of them is just for testing, no visitors exept me). All 5 sites are image galleries, like wallpaper sites. Last week I noticed problem on one site (main domain, used for name servers, and also with most traffic, visitors). That site has two image galleries, one is old static html gallery made few years ago and another, main, is powered by ZENPhoto CMS. Also I have that same gallery CMS on another two sites on that same VPS (on one running site and on one just for testing site). On other two sites I have diferent PHP driven gallery. Problem is that after some time (it vary from 10 minutes to few hours after apache restart), loading of pages on main site becomes very slow, or I get 503 Service Temporarily Unavailable error. So pages becomes unavailable. But just that part with new CMS gallery, old part of site with static html pages are working fast and just fine. Also other two sites with same CMS gallery and other two with different PHP driven gallery are working fine and fast at the same time. I thought it must be something with CMS on that main site, because other sites are working nice. Then I tryed to open contact and guest book pages on that main site which are outside of that CMS but also PHP pages, and they do not load too, but that same contact php scipts are working on other sites at the same time. So, when site starts to hangs, ONLY PHP generated content is not working, like I said other static pages are working. And, ONLY on that one main site I have problems. Then I need to restart Apache, after restart everything is vorking nice and fast, for some time, than again, just PHP pages on main site are becomming slower. If I do not restart apache that slowness take some time (several minutes, hours, depending ot traffic) and during that time PHP diven content is loading very slow or unavailable on that site. After sime time, on moments everything start to work and is fast again for some time, and again. In hours with more traffic PHP content is loading slowly or it is unavailable, in hours with less traffic it is sometimes fast and sometimes little bit slower than usually. And ones again, only on that main site, and only PHP driven pages, static pages are working fast even in most traffic hours also other sites with even same CMS are working fast. Currently I have about 7000 unique visitors on that site but site worked nice even with 11500 visitors per day. And about 17000 in total visitors on VPS, all sites ( about 3 pages per unique visitor). When site start to slow down sometimes in apache status I can see something like this: mod_fcgid status: Total FastCGI processes: 37 Process: php5 (/usr/local/cpanel/cgi-sys/php5)Pid Active Idle Accesses State 11300 39 28 7 Working 11274 47 28 7 Working 11296 40 29 3 Working 11283 45 30 3 Working 11304 36 31 1 Working 11282 46 32 3 Working 11292 42 33 1 Working 11289 44 34 1 Working 11305 35 35 0 Working 11273 48 36 2 Working 11280 47 39 1 Working 10125 133 40 12 Exiting(communication error) 11294 41 41 1 Exiting(communication error) 11277 47 42 2 Exiting(communication error) 11291 43 43 1 Exiting(communication error) 10187 108 43 10 Exiting(communication error) 10209 95 44 7 Exiting(communication error) 10171 113 44 5 Exiting(communication error) 11275 47 47 1 Exiting(communication error) 10144 125 48 8 Exiting(communication error) 10086 149 48 20 Exiting(communication error) 10212 94 49 5 Exiting(communication error) 10158 118 49 5 Exiting(communication error) 10169 114 50 4 Exiting(communication error) 10105 141 50 16 Exiting(communication error) 10094 146 50 15 Exiting(communication error) 10115 139 51 17 Exiting(communication error) 10213 93 51 9 Exiting(communication error) 10197 103 51 7 Exiting(communication error) Process: php5 (/usr/local/cpanel/cgi-sys/php5)Pid Active Idle Accesses State 7983 1079 2 149 Ready 7979 1079 11 151 Ready Process: php5 (/usr/local/cpanel/cgi-sys/php5)Pid Active Idle Accesses State 7990 1066 0 57 Ready 8001 1031 64 35 Ready 7999 1032 94 29 Ready 8000 1031 91 36 Ready 8002 1029 34 52 Ready Process: php5 (/usr/local/cpanel/cgi-sys/php5)Pid Active Idle Accesses State 7991 1064 29 115 Ready When it is working nicly there is no lines with "Exiting(communication error)" Active and Idle are time active and time since last request, in seconds. Here are system info. Sysem info: Total processors: 8 Processor #1 Vendor GenuineIntel Name Intel(R) Xeon(R) CPU E5440 @ 2.83GHz Speed 88.320 MHz Cache 6144 KB All other seven are the same. System Information Linux vps.nnnnnnnnnnnnnnnnn.nnn 2.6.18-028stab099.3 #1 SMP Wed Mar 7 15:20:22 MSK 2012 x86_64 x86_64 x86_64 GNU/Linux Current Memory Usage total used free shared buffers cached Mem: 8388608 882164 7506444 0 0 0 -/+ buffers/cache: 882164 7506444 Swap: 0 0 0 Total: 8388608 882164 7506444 Current Disk Usage Filesystem Size Used Avail Use% Mounted on /dev/vzfs 100G 34G 67G 34% / none System Details: Running on: Apache/2.2.22 System info: (Unix) mod_ssl/2.2.22 OpenSSL/0.9.8e-fips-rhel5 DAV/2 mod_auth_passthrough/2.1 mod_bwlimited/1.4 FrontPage/5.0.2.2635 mod_fcgid/2.3.6 Powered by: PHP/5.3.10 Current Configuration Default PHP Version (.php files) 5 PHP 5 Handler fcgi PHP 4 Handler suphp Apache suEXEC on Apache Ruid2 off PHP 4 Handler suphp Apache suEXEC on Apache Configuration The following settings have been saved: fileetag: All keepalive: On keepalivetimeout: 3 maxclients: 150 maxkeepaliverequests: 10 maxrequestsperchild: 10000 maxspareservers: 10 minspareservers: 5 root_options: ExecCGI, FollowSymLinks, Includes, IncludesNOEXEC, Indexes, MultiViews, SymLinksIfOwnerMatch serverlimit: 256 serversignature: Off servertokens: Full sslciphersuite: ALL:!ADH:RC4+RSA:+HIGH:+MEDIUM:-LOW:-SSLv2:-EXP:!kEDH startservers: 5 timeout: 30 I hope, I explained my problem nicely. Any help would be nice.

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  • RAIDZ vs RAID1+0

    - by Hiro2k
    Hi guys I just got 4 SSDs for my FreeNAS box. This server is only used to serve a single iSCSI extent to my Citrix XenServer pool and was wondering if I should setup them up in a RAIDZ or a RAID 1+0 configuration. This isn't used for anything in production, just for my test lab so I'm not sure which one is going to be better in this scenario. Will I see a major difference in speed or reliability? Currently the server has three 500GB Western Digital Blue drives and it's dog slow when I deploy a new version of our software on it, hence the upgrade.

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  • Can Windows log CryptoAPI CRL timouts?

    - by makerofthings7
    We have several .NET applications that occasionally "act slow" with no CPU or disk access. I suspect that they are hung up on authentication when trying to validate the certificate, since the timeout is almost 20 seconds. As per this MSFT article Most applications do not specify to CryptoAPI to use a cumulative time-out. If the cumulative time-out option is not enabled, CryptoAPI uses the CryptoAPI default setting which is a time-out of 15 seconds per URL. If the cumulative time-out option specified by the application, then CryptoAPI will use a default setting of 20 seconds as the cumulative timeout. The first URL receives a maximum timeout of 10 seconds. Each subsequent URL timeout is half of the remaining balance in the cumulative timeout value. Since this is a service, how can I detect and log CryptoAPI hangs for applications I have sourcecode to, and also 3rd party

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  • Software or Photoshop plugins for professional photo album design

    - by Iain Fraser
    I am a graphic designer (among other things) and I'm used to doing magazine advertisements, brochures, posters and that sort of thing. Recently I was approached by a photographer who wants a graphic designer to produce wedding albums for him. I have already done a couple for him but I'm finding it hard to work by just arranging my layouts in Photoshop alone. It's very time consuming, but quite repetitive - especially when you're dealing with common page layouts. I know a lot of photographers use album design software to speed up the process a bit. What's the industry standard in terms of album design software?

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  • Cleanup pending installation

    - by harper
    I have an old PC with Windows 2000 that I want to reanimate. Each time I start the PC I see a dialog box "Windows Installer","Installation wird vorbereitet." (Preparing installation). I can cancel that installation and work with that PC. But I don't know what installation was pending. There is a more severe problem: I cannot install or uninstall any other software since I get this hanging dialog again. It lasts forever taking no CPU time. How can I cleanup the pending installations registry to make misexec usable again?

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  • How to set _optimizer_search_limit and _optimizer_max_permutations in Oracle10g.

    - by user52856
    I am working on a product that must support both MSSQL and Oracle (10g and 11g). I have some very complex queries that seem to run without issue on MSSQL 2005/2008, but very, very slow with Oracle. The CPU on the oracle server skyrockets for long periods of time, and it seems like the optimizer may be trying to find the best execution plan for the very complex query. I did some Googling to figure out how to limit the amount of time the optimizer spends on this, and came up with _optimizer_search_limit and _optimizer_max_permutations. Both of these parameters are hidden in Oracle 10g, and setting them in init.ora doesn't seem to make any difference. How do I set these parameters in Oracle. Or am I just totally barking up the wrong tree with the assumption that the optimizer is spending several minutes finding an execution plan? Thanks.

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  • ADSL Modem Goes Slower Than Dialup

    - by peter
    Hi All, I have two ADSL modems, the first one does not have wireless, but is configured and working fine at around 6 - 7 mbps (ADSL) on Orcon in New Zealand. I bought a Belkin N150 wireless router to replace the first one. I configured it exactly the same as the first one, but a speed test confirms that it is running slower than dial up. One difference I noticed is that the first modem (a linksys) came from Orcon, and didn't have an ADSL username and password set up. The Belkin modem on the other hand wouldn't let me leave the username and password field blank. Any ideas? I am a techy guy, so it doesn't appear to be anything obvious with the settings I have missed. Thanks.

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  • Queston about torrents

    - by c0mrade
    Why do my torrents go at rate 25/30 kb/s and my regular http downloads rate up to 300 kb/s .. is my ISP to blame for this, I meant torrents have like thousand seeders and again its very slow.How are they blocking torrent speed, can I bypass it? @gekkz Results : * There's no indication that your ISP rate limits all downloads at port 6881. In our test, a TCP download on a BitTorrent port achieved at least 392 Kbps while a TCP download on a non-BitTorrent port achieved at least 223 Kbps. You can find details here. * There's no indication that your ISP rate limits all uploads at port 6881. In our test, a TCP upload on a BitTorrent port achieved at least 314 Kbps while a TCP upload on a non-BitTorrent port achieved at least 191 Kbps. You can find details here.

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