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  • Very slow first handshake Apache

    - by Johan Larsson
    Any one having any ideas where should I start to fix this issue, the first handshake take sometimes up to 20s, but refreshes after that takes only 0.9s. The setup, 100/10 Mbps Windows OS 4GB RAM Intel Core 2 @ 3.0 GHz And 7200 RPM HDD Apache 2.4 No SSL Mod_Security Enabled Mod_Deflate Enabled Mod_Expires Enabled Mod_ReWrite Enabled PHP & MySQL on same machine. I have seen much slower machines preforming better, therefor I think my problem is ony an optimization issue.

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  • CPU, Memory, Network, IO resources are under utilized when I tried various JMeter load testing

    - by Jaiganesh
    CPU, Memory, Network, IO resources are under utilized when I tried various JMeter load testing. I have given below the details. Hardware: 1 Core with 2 GB RAM OS: Ubuntu 12.04 LTS Server Edition Application: PHP (using JQuery, Ajax) JMeter Parameters: 10, 20, 30, 40 Hits per minute 220 Test Cases per hit 2.03 MB per hit I am not clear, why these resources are under utilized. Please help me to resolve this.

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  • Repair grub mbr and /boot using ubuntu 9.04 live CD

    - by rschuler
    I have broken my boot sequence on my XP/Vista/Ubuntu box. I wish to restore the system back to the way that Ubuntu 9.04 (last installed OS) had it setup. I want to do only the mbr and /boot on the ubuntu partition and leave the rest of the system alone. How can I do this using the ubuntu 9.04 live CD?

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  • T42 Thinkpad, USB boot, CF for programs and storage?

    - by Tom K.
    Is this feasible? I have a Thinkpad T40. I'd like to get one of the tiny USB drives (like the Verbatim Store 'n' Stay series) of sufficient size to handle basic Linux OS booting (8GB?), then put 16Gb or greater memory card (SD or CF) in the PCMCIA slot with appropriate adapter for additional application programs and data storage. I know I could get a used or refurb HD, but I've had reliability issues in the past. I don't believe that new IDE drives are available.

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  • how to uninstall software on Mac

    - by George2
    I am using a MacBook Pro running Mac OS X 10.5. I am new to this development environment, and previously worked on Windows. For the software I installed, how to uninstall them? I did not find something like Add/Remove program of Windows Control Panel. Thanks in advance!

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  • Should I keep my swap file on an SSD drive?

    - by Steve Rowe
    I'm considering getting an SSD drive to run as the primary OS partition. As I understand, this should provide a substantial improvement in performance. My question is this: Should I leave the swap file on that drive? The swap partition will be largely random seeks and so should benefit from the speed. On the other hand, it will be constantly written to which will wear out the drive faster.

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  • Plone with Apache Proxy

    - by churnd
    I have a plone zinstance set up through Apache Proxy on OS X Server 10.5. The server is set up with a single vhost on port 80, with Proxy & Proxypass directives to the Plone zinstance: ProxyPass / http://localhost:8080/VirtualHostBase/http/server:80/Plone/VirtualHostRoot/ ProxyPassReverse / http://localhost:8080/VirtualHostBase/http/server:80/Plone/VirtualHostRoot/ However, I have some static HTML and PHP content that I want to display in an iframe via the plone site. I'm thinking I'll need to set up another vhost on a different port, then just specify the port # inline?

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  • Resize partition of Windows 7 running on VirtualBox with dynamically allocated storage

    - by Nicolas Raoul
    I run Windows 7 inside VirtualBox. I resized the disk of Windows 7 from 25 GB to 50 GB: VBoxManage modifyhd Windows\ 7\ Pro.vdi --resize 50000 0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100% PROBLEM: I can' grow the partition, neither with Windows 7 itself nor with GParted: It looks like VirtualBox does not tell the client OS about the new size. What additional step is necessary?

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  • How to connect to a Virtualbox guest from the host when network cable unplugged

    - by Greg K
    I'd like to work offline (I'm flying to the US twice this month), to do this I need access to a linux development server. When I work from home I boot a VirtualBox VM and that acts as my dev server for the day (providing Apache, PHP & MySQL to run my server side code). However, I'd like to work with my VM when I'm not connected to a network. I have my Ubuntu VM guest set up with a bridge connection so it can serve HTTP and provide SSH access from inside my local network. I've tried to manually configure my network settings on both Mac OSX (the host) and Ubuntu (the guest) but I can't even ping my own NIC address (127.0.0.1 can, 192.168.21.x I can't) in OS X when I unplug the cable. Manual network settings: $ ifconfig en0 en0: flags=8963<UP,BROADCAST,SMART,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500 ether 00:xx:xx:xx:xx:xx inet 192.168.21.5 netmask 0xffffff00 broadcast 192.168.21.255 media: autoselect (100baseTX <full-duplex,flow-control>) status: active I can ping localhost fine, as well as my VM (.20) and SSH too. $ ping 192.168.21.5 PING 192.168.21.5 (192.168.21.5): 56 data bytes 64 bytes from 192.168.21.5: icmp_seq=0 ttl=64 time=0.085 ms 64 bytes from 192.168.21.5: icmp_seq=1 ttl=64 time=0.102 ms 64 bytes from 192.168.21.5: icmp_seq=2 ttl=64 time=0.100 ms 64 bytes from 192.168.21.5: icmp_seq=3 ttl=64 time=0.094 ms $ ping 192.168.21.20 PING 192.168.21.20 (192.168.21.20): 56 data bytes 64 bytes from 192.168.21.20: icmp_seq=0 ttl=64 time=0.910 ms 64 bytes from 192.168.21.20: icmp_seq=1 ttl=64 time=1.181 ms 64 bytes from 192.168.21.20: icmp_seq=2 ttl=64 time=1.159 ms 64 bytes from 192.168.21.20: icmp_seq=3 ttl=64 time=1.320 ms Network cable unplugged: $ ifconfig en0 en0: flags=8963<UP,BROADCAST,SMART,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500 ether 00:xx:xx:xx:xx:xx media: autoselect status: inactive $ ping 192.168.21.5 PING 192.168.21.5 (192.168.21.5): 56 data bytes ping: sendto: No route to host ping: sendto: No route to host Request timeout for icmp_seq 0 ping: sendto: No route to host Request timeout for icmp_seq 1 Does OS X disable the NIC when the network cable is unplugged? Any way to stop it doing this?

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  • Lonovo Windows XP Reinstall Driver help

    - by Moshe
    I'm reinstalling Windows on an IBM Thinkpad T43. (Not T43p) I reinstalled the OS and now there a number of drivers that I need to reinstall. Any help would be appreciated. I've been to Lenovo's website. This would be a breeze but the Device Manager lists 2 Unknown devices. How do I figure out what those are?

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  • Very poor read performance compared to write performance on md(raid1) / crypt(luks) / lvm

    - by Android5360
    I'm experiencing very poor read performance over raid1/crypt/lvm. In the same time, write speeds are about 2x+ faster on the same setup. On another raid1 setup on the same machine I get normal read speeds (maybe because I'm not using cryptsetup). OS related disks: sda + sdb. I have raid1 configuration with two disks, both are in place. I'm using LVM over the RAID. No encryption. Both disks are WD Green, 5400 rpm. IO test results on this raid1: dd if=/dev/zero of=/tmp/output.img3 bs=8k count=256k conv=fsync - 2147483648 bytes (2.1 GB) copied, 22.3392 s, 96.1 MB/s sync echo 3 > /proc/sys/vm/drop_caches dd if=/tmp/output.img3 of=/dev/null bs=8k - 2147483648 bytes (2.1 GB) copied, 15.9 s, 135 MB/s And here is the problematic setup (on the same machine). Currently I have only one sdc (WD Green, 5400rpm) configured in software raid1 + crypt (luks, serpent-xts-plain) + lvm. Tomorrow I will attach another disk (sdd) to complete this two-disk raid1 setup. IO tests results on this raid1: dd if=/dev/zero of=output.img3 bs=8k count=256k conv=fsync 2147483648 bytes (2.1 GB) copied, 17.7235 s, 121 MB/s sync echo 3 > /proc/sys/vm/drop_caches dd if=output.img3 of=/dev/null bs=8k 2147483648 bytes (2.1 GB) copied, 36.2454 s, 59.2 MB/s We can see that the read performance is very very bad (59MB/s compared to 135MB/s when using no encryption). Nothing is using the disks during benchmark. I can confirm this because I checked with iostat and dstat. Details on the hardware: disks: all are WD green, 5400rpm, 64mb cache. cpu: FX-8350 at stock speed ram: 4x4GB at 1066Mhz. Details on the software: OS: Debian Wheezy 7, amd64 mdadm: v3.2.5 - 18th May 2012 LVM version: 2.02.95(2) (2012-03-06) LVM Library version: 1.02.74 (2012-03-06) LVM Driver version: 4.22.0 cryptsetup: 1.4.3 Here is how I configured the slow raid1+crypt+lvm setup: parted /dev/sdc mklabel gpt type: ext4 start: 2048s end: -1 Now the raid, crypt and the lvm configuration: mdadm --create /dev/md1 --level=1 --raid-disks=2 missing /dev/sdc cryptsetup --cipher serpent-xts-plain luksFormat /dev/md1 cryptsetup luksOpen /dev/md1 md1_crypt vgcreate vg_sql /dev/mapper/md1_crypt lvcreate -l 100%VG vg_sql -n lv_sql mkfs.ext4 /dev/mapper/vg_sql-lv-sql mount /dev/mapper/vg_sql-lv_sql /sql So guys, can you help me identify the reason and fix it? It has to be something with the cryptsetup as there is no such read slowdown on the other setup (sda+sdb) where no encryption is present. But I have no idea what to do. Thanks!

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  • Drupal modules for ticketing system

    - by freddy6
    Hi All, We are looking at implementing a ticketing system at our work place. We intially tried OS Ticket which was fine. But management are hoping to integrate it into out intranet. (which will be done in Drupal) The Ticketing system will be used for the IT Team. Are there any modules available in Drupal that handle tickets or a module that can implement a ticketing system into Drupal. Any suggestions or experience in this area will be much appreciated.

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  • Fedora 8 upgrade PHP > 5.2.4

    - by Bonn
    One of my current company servers is using old Fedora 8 and web apps compatible with PHP 5.2.x. Currently the PHP version is 5.2.4. I would like to upgrade it minimum 5.2.5 so that Drupal-7 can be installed on that machine. The problem is, there are no more repository for Fedora 8, and maybe here someone could help. I can't risk upgrading the OS since I'm not linux expert, and if anything goes wrong I could be in trouble. thanks

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  • Voice command in non-english Windows 7 Home Premium

    - by Cesar
    Is there a good software to add voice command to my Windows 7 machine? English voice command would work for me, but I am unable to get it via OS both because I use a pt-BR Windows 7, and becuse I only have the Home Premium version. Upgrading is too expensive for me. Do you recommend a good alternative. It could be either free or paid, as long it's good.

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  • Can I see the SMTP session log when Mail.app connects to an SMPT server?

    - by Charles Stewart
    Problem: I've set up a mail server using SASL authentication, and have given Mail.app (on Mac Os 10.4) the login information it needs to connect. I wrote a test message for it to deliver to my server: the Activity window shows that it tries to deliver the message, but then it simply stops, with no indication of error, except that the test message is left in the Outbox. How can I find out what went wrong? Is there some log file I don't know about?

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  • Snow Leopard not reading NTFS

    - by dtmunir
    I just upgraded a brand new Macbook Pro that I bought with 10.5 installed to Snow Leopard. After doing the upgrade I am trying to access NTFS partitions on my external hard drive but they are just not showing up. I went ahead and installed Windows 7 using Parallels, and I can access the NTFS partitions from within Windows, but not from Mac OS X. I know that Snow Leopard should be able to at least read NTFS drives, so what is going on here?

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  • SUnreclaim size increasing in syc with a TCP-CLOSE_WAIT till application restart

    - by maver1k
    Recently found a behaviour where my application had a connection in TCP Close_wait state till the app was restarted (after about 5 hours). But during this period the SUnreclaim space was also increasing constantly and went down on restart. The application is runnning on a rhel5 os and Im not very familiar with the memory management system. Would appreciate if someone clould tell me what extactly is the Ureclaim space and why it is increasing in sync with the close_wait. Thanks.

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  • Sandboxie or VHD for virtual environment?

    - by lucian.jp
    I am looking for advices about creating virtual development environment. Is it better to have a base VHD file with differential VHD for stable development environment and another differential VHD file for beta development environment or should I install Sandboxie 64-bit and install both environment in different sandbox? I am concern about windows services and shortcuts with the sandbox. Current OS : Windows 7 64-bit

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  • Best practice for setting up SQL server on a Virtual Machine

    - by CrazyCoderz
    This is my first attempt at virtualizing SQL server on VMWare and I want to make sure I am doing things correctly. Should I have SQL server installed on the C: drive / same partition as the OS, Then add a virtual disk for the Data files, say 300GB, and then another virtual disk for the log files say 100GB? Or should I add 2 300GB vdisks, for the data files mirror them in the operating system, and then add a non mirrored vdisk of 100GB for LogFiles??

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  • iisreset fails after updating .NET framework

    - by Pete
    Hi. After I uninstalled Visual Studio 2010 beta 2 and installed Visual Studio 2010 RC, executing IISRESET gives the following error message: C:\Program Files\Microsoft Visual Studio 10.0\VCiisreset /stop Attempting stop... Stop attempt failed. The system cannot find the file specified. (2147942402, 80070002) Further information. Before bet2, the same computer also had beta1 installed. The OS is Windows 2008 Web Server Any clue here?

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  • where is backspace key of Mac?

    - by George2
    I am using a MacBook Pro running Mac OS X 10.5. I am new to this development environment, and previously worked on Windows. I am wondering what is the backspace key of Mac (i.e. which is used to delete the character previous to current cursor position in text editor)? Windows keyboard has a dedicated backspace key, but I did not find such a key on my MacBook Pro keyboard. Thanks in advance.

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