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• PHP not displaying any errors

  - by chutsu

  I've got ubuntu 10.04 installed, as well as: lighttpd mysql/php Now my problem is that my php scripts can be executed and has access to MySQL database, however I'm having problems getting php to display all errors when running. The result of a failed php run is a blank page. I tried setting the display errors on in php.ini in /etc/php5/cgi/php.ini I've also tried adding these two lines in the source to force errors on, to no avail. ini_set('display_errors', '1'); error_reporting(E_ALL); What should I do? Thanks

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• Can I take a HDD in Raid1 and plug it straight into a different machine?

  - by jacko

  I would assume that I can just take my HDD out of my NAS (in raid1 mirror) and plug it into another enclosure and have it work off the bat but I'd like to make sure... Any ideas? Edit: My current setup is a Netgear ReadyNAS in (hardware) raid1. I'm hoping to replace this with a home theatre type PC (possibly running Ubuntu), and would like to migrate my data without having to do a bulk transfer over my network between the 2 machines. Can anyone confirm the case for the Netgear ReadyNAS?

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• Time randomly changing itself, internet randomly dying

  - by Vee

  Operating System MS Windows 8 Enterprise 64-bit CPU Intel Core i7 2700K @ 3.50GHz 45 °C Sandy Bridge 32nm Technology RAM 8,00 GB Dual-Channel DDR3 @ 800MHz (8-8-8-24) Motherboard ASRock Z77 Extreme4-M (CPUSocket) 40 °C Graphics SMXL2270HD (1920x1080@60Hz) M2094D-PZ (1680x1050@60Hz) 896MB GeForce GTX 275 (CardExpert Technology) 57 °C Hard Drives 466GB FUJITSU MAXTOR STM3500320AS (SATA) 39 °C Optical Drives ASUS DRW-2014L1T Audio High Definition Audio Device Hello everyone, I installed Windows 8 RTM a few weeks ago. It's not my first time installing it, but it's the first time having two annoying problems: 1) Randomly, the system clock changes time all by itself - to fix it I have to open the time window and sync it with the internet. 2) Randomly, internet connection stops working - to fix I have to run troubleshooting. Windows will find a problem with IP on the "Ethernet" connection and fix it. 3) In rare occasions, my PC freezes and I need to restart it (a BSOD once happened, but after that only freezes) How can I permanently solve these problems? This is what I've already tried: Reset Virus scan Stop/reset the Windows Time service Disable/re-enable Windows Time automatic internet sync Change time from BIOS Change motherboard battery

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• Monitor or log directory permission changes?

  - by Myles

  I'm having an issue with a cPanel shared server running CentOS 5 where a few directories under the public_html folder keep getting changed to 777 from 755. The customer says they are not changing it and i'm wondering if there is a way to monitor these specific directories to find out who/what is changing the permissions. I have looked into using auditctl and after testing it and changing the permissions myself I don't see anything in the logs so i'm not sure if i'm doing it right or if it's even possible. Does anybody have any suggestions or ideas on how I could figure out what is changing the permissions? Thanks!!

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• uWSGI and python virtual env

  - by user27512

  I'm trying to use uWSGI with a virtual env in order to use the Trac bug tracker on it. I've installed system-wide uwsgi via pip. Next, I've installed trac in a virtualenv $ virtualenv venv $ . venv/bin/activate $ pip install trac I've then written a simple uWSGI configuration script: [uwsgi] master = true processes = 1 socket = localhost:3032 home = /srv/http/trac/venv/ no-site = true gid = www-data uid = www-data env = TRAC_ENV=/srv/http/trac/projects/my_project module = trac.web.main:dispatch_request But when I try to launch it, it fails: $ uwsgi --http :8000 --ini /etc/uwsgi/vassals-available/my_project.ini --gid www-data --uid www-data ... Set PythonHome to /srv/http/trac/venv/ ... *** Operational MODE: single process *** ImportError: No module named trac.web.main unable to load app 0 (mountpoint='') (callable not found or import error) I think uWSGI isn't using the virtual env. When inside the virtual env, I can import trac.web.main without having an ImportError. How can I do that ? Thanks

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• Can't ssh from Ubuntu to RHEL or CentOS

  - by Alex N

  I am trying to setup publickey based authenitcation for 2 different boxes. One RHEL another on e is CentOS. I am having same issue with both where ssh fails and falls back to password based authentication. Error that seems to be causing this is quite obscure: debug1: Unspecified GSS failure. Minor code may provide more information Credentials cache file '/tmp/krb5cc_1000' not found Both boxes are completely unrelated. I have my public key in .ssh/authorized_keys file on both boxes, all permissions are checked and good(700 for .ssh and 600 for internals) I have bunch of other servers that are running on various flavors(Gentoo, Fedora, FreeBSD etc.) and publickey ssh works just fine, but CentOS and RHEL giving me this for some reason :( Anyone experienced this before? I am not even sure how to further analyze this issue :(

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• Does Gedit have cool keyboard shortcuts?

  - by Kelp

  I have used Vim before and I love the keyboard shortcuts, but I hate having to copy and paste, so I am looking for a text editor that makes it easier. I have been trying Gedit. It's cool. But I really miss the being to create a new line, going to the end of the line, going to the beginning of the line, deleting a line with keyboard shortcuts. I tried to look up "gedit keyboard shortcuts" but all it came up with was how to save a file. Basic things.

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• Do Chrome and Firefox share a browser cache?

  - by Davy8

  So I was having a problem with some stuff on SO not working that was similar to this post on Meta which recommended clearing the browser cache. Now it wasn't working in both Chrome and Firefox and I had never logged in to SO on FF before today so FF couldn't have cached the file itself. Tried hitting refresh multiple times and even tried Ctrl-F5 with no luck. I cleared the browser cache in Chrome only, and after that it started working on both Chrome and FF. How could clearing the cache of one browser affect the other?

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• VMware ESX 3.5 Host Health shown as unknown

  - by dunxd

  I have an ESX 3.5 update 5 cluster of five host servers, all fully patched as of this Friday. Today I noticed that one of the servers has the Hardware Health status as unknown in Virtual Center Infrastructure Client. When I look at the Health Status view under configuration for that host, all the items are status Unknown. The server is exactly the same configuration as the others - same model (HP DL360 G5), memory, NICs etc. I have tried restarting the management service with service mgmt-vmware restart but this has not resolved the issue. Asides from this, I am not seeing any issues with the cluster - however, I hate having a blind spot like this. Any ideas?

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• something like persistent X forwarding?

  - by Arthur Ulfeldt

  I'm having trouble with the title on this one, please edit. When users connect to a VM with VNC/NX/RDP/other-tla they get a persistent desktop in a window . When they connect using ssh -X forwarding they get a local window managed by the local windo-manager that is not persistent. 1: is there a way to run a program on the VM and have it managed locally AND have it persistent? 2: can the client be on windows or OS-X? ps: in this case the vm's are running Ubuntu

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• Can there be multiple monitors with these video cards and setup

  - by z_Zelman

  I have a Acer Aspire TimelineX 4830TG-6808 laptop running windows 7 Ultimate with one VGA port and one HDMI port. It has one Intel HD Graphics family card and one NVIDIA GeForce GT 540M. Right now I have one monitor running via the VGA port, and also the basic laptop monitor. When I look at the monitor setup, I see one unused video card available. Can I have another monitor via the HDMI port? If I cannot run three monitors, is there some way I could make a large "single" desktop that extends over two monitors? For the sake of celerity, maybe something like having a virtual machine window that extends over two monitors. Could this maybe come from third party software?

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• Postfix sending mail back to itself? (Ubuntu 9.10)

  - by webo

  I setup Dovecot and Postfix using the "Dovecot-Postfix" package with SASL and all that. The Dovecot part seems to be working fine but I'm having issues with Postfix. Whenever I send a message to another address through the postfix server, two things happen. the message never gets to the other address (even when I request a delivery notification, it says that it's been delivered but it's not in the spam box in the other inbox or anything) The message comes back to my inbox through Dovecot as though I sent it to myself internally. e.g. I send an email through my postfix server to my gmail account, 10 minutes later nothing shows up in my gmail account but the message comes back to me as though I was sending it to my internal address (with no errors) Any ideas?

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• Showing name of row instead of excel cell name

  - by Kare

  I am having extremely long formulas over an extremely big sheet. At the moment I am tracking the formulas with the Formula Auditing Tool. However, my idea would be to just replace for example in a formula like this: =IF(AND(ROUND($GX19-SUM(0)/$M$12;2)<=0;$AK$7=1);0;$M$12*$M$22/$K$62 My idea would be to replace the excel cell names with the table row names they are in. Like: =IF(AND(ROUND( "Income" -SUM(0)/ "Debt" ;2)<=0; "Percentage" =1);0; "Investment" * "Debt of house" / "Investment costs" Is there any way to achive sth. like that in excel? I appreciate your inputs!!!

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• VirtualPC/XPMode... trying to let a VM access pages served using IIS on the host machine

  - by John

  My host PC is running IIS7.5 under Windows7. I have a VM running XP to let me use IE6, but I've no idea what network settings on the VM/host are needed so the VM can access pages on the host. I thought if the host was 192.168.1.1, then from the VM I'd simply do http://192.168.1.1/... if I do this on the host it works but the VM can't see it. I'm assuming there are some shortcuts here rather than manually having to set up loads of permissions, e.g a shortcut way of letting the VM access the host maybe?

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• Auto-scaling EC2 Servers and Updating Code

  - by jstats

  We've come to the point where we need to set up autoscaling for our web server and I'm unsure how to go about the process of scaling servers and updating the the existing code without remaking a new AMI and changing the autoscale config to use it. I've read a bit about people bundling the new code and uploading it to s3 and having new servers grab the bundle on boot up but that doesn't seem all that pleasant either. Currently the web app's files live in a git repo, and when we update the code, we push it to github, ssh into the web app and run a hook to bring down the latest code. So I was thinking that another option could be to just run that hook on an hourly or daily cron task. Unfortunately that doesn't cover everything type of update (for example new blog posts' images and such which aren't included in the git repo) but it's something. Could anyone provide some advice on what a common solution is or anything as to why my proposed solution is a bad idea? Thanks all

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• How do I get the Windows 7 installer onto a USB drive?

  - by Rod

  I'm having trouble installing Windows 7 onto my old laptop. The problem appears to be the laptop's DVD-ROM no longer seems to work. Sucks. So, I'm trying to figure out how to get a bootable USB with my Windows 7 DVD info onto it. I found this link here on superuser.com: http://superuser.com/questions/66948/place-a-bootable-iso-on-a-usb-drive That looks good, except for the detail about making the USB bootable. It said that the OS you're making it bootable on must be the same as the machine you're going to be installing it on. I can't do that. The machine I would make it bootable from is a 64-bit version of Windows 7. The target machine is 32-bit. So, how's this going to work?

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• Desktop speakers with headphone port and separate volume controls

  - by Kevin L.

  I currently use the excellent Logitech X-230 desktop speaker/subwoofer set, which I love for the volume dial on the front which gives me a nice, quick, tactile control of my sound without requiring a remote or keyboard buttons or some awkward software slider. Additionally, there's a very convenient headphone jack right next to the volume dial but the volume dial only controls the speakers, leaving the headphones at full volume. The goal is to be able to adjust the sound in my headphones without having to fumble around and find an inline headphone volume control (and my current favorite pair doesn't even have one). Is anyone aware of a desktop speaker set that has convenient volume controls for both levels?

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• Blender/POV-Ray differences

  - by Magnap

  I am currently following a tutorial for Blender, but came across POV-Ray mentioned as a renderer. After having researched it a bit, i took a look at it's scene description (scripting) language, which kind of fascinated me. But, after even more googling of the topic, i am still wondering: What are the main and key differences between working with 3D in resp. Blender and POV-Ray? PS: I suspect this might not be the best place for a question such as this, but it seems to be the most suitable.

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• SSH without portforward

  - by maigel

  I have a raspberry pi lying around in my dorm room. It's connected to campus internet which has all ports closed and I obviously don't have any access or permission to port forwarding. Now I want to ssh to the raspberry pi but this isn't possible since I can't port forward. I do however have a cheap vps doing nothing. Is there a way to make the pi connect to the vps and then use the vps as some sort of tunnel to ssh to the raspberry pi without having any port forwarding done?

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• How do you explain ethernet cable problems to non networking people?

  - by Bryan McLemore

  We've recently been doing a large network migration in our datacenter. We've had a few cables in this start to deliver really bad pings (in excess of 500ms on a LAN) before they could be replaced. The cables we were replacing weren't made the best. They where all hand made and the runs were so short on some of them that the bend radius was definitely too tight. Some of them ran in bundles right in front of the heat exhaust of the power supplies. The cables were running ok until we started pulling the ones surrounding them out. Then a few started having the problem I mentioned above degrading performance and causing reliability issues. I'm trying to figure out the best way to explain this to non networking people. Is there any documentation that people could recommend or other methods?

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• How do I get the machine name from an IP via Multicast DNS?

  - by Adam

  I have a list of IP addresses on a network, and most of them support multicast DNS. I'd like to be able to resolve the server name instead of just having the IP address. ping computer.local 64 bytes from 192.168.0.52: icmp_seq=1 ttl=64 time=5.510 ms 64 bytes from 192.168.0.52: icmp_seq=2 ttl=64 time=5.396 ms 64 bytes from 192.168.0.52: icmp_seq=3 ttl=64 time=5.273 ms Works, but I'd like to be able to determine that name from the IP. Also the devices don't necessarily broadcast any services, but definitely do support mDNS broadcast. So looking through services won't work.

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• Run Active Directory Admin Center as another user

  - by dunxd

  I am trying to run Active Directory Admin Center (dsac.exe) on Windows 7 as another user by means of creating a shortcut, rather than having to Shift+Right click and specify the user. On Windows XP I could create a runas shortcut like this (forget for a moment that dsac.exe does not exist in Windows XP): runas /user:DOMAIN\user dsac.exe When I run this on Windows 7, the cmd style windows pops up and asks for the password for DOMAIN\user, but I get the following message: Attempting to start dsac.exe as user "DOMAIN\user" ... RUNAS ERROR: Unable to run - dsac.exe 740: The requested operation requires elevation. How do I get Windows 7 to automatically run dsac.exe as a specified user? I'm happy to fill in a password prompt for the specified user, but would be even happier if there was a solution that cached the password, so I didn't have to enter it more than once a day.

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• How do we increase the maximum allowed HTTP GET query length in Jetty?

  - by Mike

  We are using Jetty to run an Apache Solr index. We've had some queries that have grown way beyond the previously expected maximum length, and are now having issues wehre most queries are not returning any data because the URL gets truncated. These requests are not being made through a browser, they're being made programmatically using the Apache_Solr_Service PHP library. The application is expecting queries to come in as HTTP GET requests, so simply switching to a POST will not solve this problem. How can we increase the maximum allowed HTTP GET query length in Jetty? Thanks!

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• nslookup gives wrong ip for my domain

  - by Werulz

  I am having some problem in trying to setup DNS for my domain on my server. This tutorial normally works fine for me but when i tried to lookup my domain it gives the following output Server: 4.2.2.1 Address: 4.2.2.1#53 Non-authoritative answer: 119.100.79.64.in-addr.arpa name = server.leech4ever.com. Authoritative answers can be found from: The server and the address are wrong according to the tutorial Here is tutorial http://webcache.googleusercontent.com/search?q=cache:rR7Z4YU4GI0J:www.broexperts.com/2012/03/linux-dns-bind-configuration-on-centos-6-2/+broexperts+bind&cd=1&hl=en&ct=clnk&gl=mu /etc/hosts 127.0.0.1 localhost 64.79.100.119 server.leech4ever.com server /etc/resolve.conf search leech4ever.com nameserver 64.79.100.119 /etc/resolv.conf nameserver 4.2.2.1 nameserver 4.2.2.2 How to solve this problem guys.....The tutorial was flawless until i did a server restore

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• Language bar switched input types on me.

  - by Elijah

  I learned Japanese, but I'm not native to Japan, so I never had a Japanese keyboard. I used to use the language bar to go back and forth between English and Japanese, simply typing the words in romaji and having windows convert it into either hiragana, katakana and sometimes Kanji. Suddenly, my input type changes. I am no longer able to simply type in English, it changed my keyboard into a native Japanese keyboard, and what's worse it doesn't even allow me to write in hiragana, which I would need way more than katakana. Can anyone tell me how to restore it to the old setting where I simply chose what the output dialect would be, and typed the words phonetically in english and have it translate the sounds for me into japanese characters?

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