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• Gmail page works but won't stop loading

  - by MLW

  When I open the GMail page in Chrome (9.0.597.102) on OS X (10.6.4), the page works fine and is functional, but it often remains in a "Loading" state, with the loading icon active, for extremely long periods of time. Functionally, there is no problem, since everything is accessible, and the problem is intermittent. Sometimes it immediately completes loading, other times it will claim to be "loading" for hours. My date is correct (as set with time.*.apple.com), and I don't have any Google Labs enabled. Does anyone else have this problem, or know the cause and solution?

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• How to allow wget to overwrite files

  - by Gnanam

  Using wget command, how do I allow/instruct to overwrite my local file everytime, irrespective of how many times I invoke. Let's say, I want to download a file from the location: http://server/folder/file1.html Here, whenever I say wget http://server/folder/file1.html, I want this file1.html to be overwritten in my local system irrespective of the time it is changed, already downloaded, etc. My intention/use case here is that when I call wget, I'm very sure that I want to replace/overwrite the existing file. I've tried out the following options, but each option is intended/meant for some other purpose. -nc = --no-clobber -N = Turn on time-stamping -r = Turn on recursive retrieving

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• All the Gear and No Idea: Suggestions for re-designing my home/office/entertainment network

  - by 5arx

  Help/ Advice/ Suggestions please: I have a load of kit that I love but which currently operate in disconnected, sometimes counter-productive way. Because I never really had a masterplan I just added these things one after another and connected them up in ad hoc ways. Since I bought my Macbook I've found I spend much less time on the MacPro that was until then my main machine. Perversely, as my job involves writing .Net software, I spend a lot of Mac time actually inside a Windows 7 VM. I stream media from the HP box to the PS3 and thus to the TV, but its not without its limitations/annoyances. We listen to each other's iTunes libraries but the music files are all over the place and it would be good to know they were all safely in one location (and fully backed up). I need to come up with a strategy that will allow me to use all the kit for work, play (recording live music, making tunes, iMovie work), pushing/streaming media to the TV and sharing files with my other half (she uses a Windows laptop and her iPod touch). Ideally I'd like to be able to work on any of the machines and have a shared homedrive that was visible to all machines so all my current files were synced up wherever i was. It would be great if I could access everything securely and quickly over the web. I'd also like to be able to set up a background backup process. The kit list thus far: Apple MacPro 8GB/3x250GB RAID0 + 1TB Apple MacBook Pro 13" 8GB/250GB - I spend a lot of my work time on a Windows 7 VM on this. Crappy Acer laptop (for children's use - iPlayer, watching movies/tv files) HP Proliant Server 4GB/80GB+160GB+300GB Sun Ultra 10 2 x 80GB (old, but in top-notch condition) PS3 160GB iPod Classic 2 x 8GB iPod Touch Observations: Part of the problem is our dual use of Windows and OS X - we can't go for a pure NT style roaming profile. Because the server is also used for hosting test/beta applications and a SQL Server db, it can't be dedicated to file serving. The two Macs really could do with sharing a roaming profile or similar. I'd love to be able to do something useful with the Ultra 10. My other half has been trying to throw it away for over five years now and regularly ask what function it serves in my study :-( I've got no shortage of 500GB external USB hard drives iMovie files are very large and ideally would be processed on a RAID system. Apple's TimeMachine isn't so great. If anyone could suggest all or part of a setup that would fulfil some of my requirements I'd be very grateful. I am willing to consider purchasing one or two more bits of kit (an Apple TV and a Squeezebox have been moted by friends) if they will help make efficiencies rather than add to the chaos and confusion. Thanks for looking.

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• OSX: Undeletable files

  - by geoffjentry

  So via what I suspect is a cron'd rsync gone awry, I noticed that I have ~25000 variants of .DS_Store in a directory that's on an external disk, they're named "..DS_Store.FOO" where FOO varies. The problem is that I can seem to delete them, even using the various tricks I've seen over the years for removing files with oddball names. No problem, I said - I moved all of the real files into another directory and then just tried to do an 'rm -r' on the original directory ... no luck, it fails to delete those files and says directory not empty. Tried it again with 'rm -rf' and still no luck. I have no idea how to get rid of this thing, does anyone have any idea?

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• KVM online disk resize?

  - by Eil

  We're evaluting KVM for Linux virtualization on a few projects. All is going well so far. But one of our requirements is the ability to add disk space to a running guest without rebooting or taking it offline. Is this possible with KVM? The only thing I've found so far (but have not tested yet) is the ability to hotplug disks into the machine. If I go this route, then I could always add the new disk to an LVM volume group on the guest and then extend the chosen logical volume. The biggest downside to this approach is that over time we might end up with guests having variable numbers of virtual disks. The "real" disk space would be provided to the host over a SAN, so we can always add more space to the host whenever.

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• my Website loss packet in 70% countries, how can i dertermine why its loss packets?

  - by user2511667

  I checked my website on google page speed tester, it show result 90/100. I checked my website on pingdom it shows good result there. When i check my website in cloudmonitor.ca.com, it shows good result in 30% countries and all other countries it show packet loss (100%) How we can determine why my website has packet loss? And what is its solution? Is this problem from my server or from my website? I created new html blank page and set it too my index page, after I tested, it still shows packet loss, guess this means the problem is not in my website. Here is live result When I visit my website in browser, website is working fine. But when i test my domain or IP 198.178.123.219 in command Prompt it shows "Request time out" Why time out in command prompt?

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• Unattended Windows XP Install Stops at Deleting Previous Installation

  - by maik

  I'm not sure if I'm just not asking Google properly or what, but I can't come up with a good answer to this problem. We have MDT 2010 setup and have a Task Sequence for refreshing Windows XP machines. It doesn't seem to happen all the time, but a lot of the time when we start a refresh it goes through the normal motions and when it gets into the first part of Windows XP setup (the blue screen) it stops, telling me a Windows installation already exists at that location and I can press L to continue, erasing everything and using that folder. I've poured over the unattend file and can't find an option that will just delete the old files and keep going, so I'm at a loss. Any ideas?

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• New Windows 7 Libraries created keep disappearing

  - by Sean

  I've just got a new laptop that came pre-installed with Windows 7 Professional edition. One of the new features of Windows 7 is Libraries. I'm familiar with how this works and am trying to create my own library called 'Work' to include all my work folders on my computer. However every time I create a new custom Library, after I rename it, it disappears from my Library menu. Each time I click Libraries in the Explorer, I keep seeing the same 4 default libraries, I.e. Documents, Pictures, Music, and Video. So when I try to create a new Library called 'Work' again, I get a pop up message "Do you want to rename New library to Work (2).Library-Microsoft?" Which means that my original work library still exists but for some reason I can't see it. Can someone please help me figure out why this is happening?

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• sqlcmd won't execute - Claims Native Client not installed properly

  - by nuit9

  I'm trying to use sqlcmd to execute some SQL scripts. Using a test command with a simple query like: sqlcmd -S HOSTNAME -d MYDATABASE -Q 'SELECT Names FROM Customers' sqlcmd does not appear to make any attempt to connect to the server as it displays this message: Sqlcmd: Error: Connection failure. SQL Native Client is not installed correctly. To correct this, run SQL Server Setup. The native client was presumably installed as part of the SQL Server setup and likely correctly. I actually get this message on any machine with SQL server installed trying to use sqlcmd so it's not a matter of the installation being corrupt. Unfortunately the message really tells me nothing about the problem so I don't know what the real issue is. I know the SQL Native client is working properly since a vbscript was able to execute SQL queries against the database. Is there some additional configuration needed to use sqlcmd?

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• LVM2 vs MDADM performance

  - by archer

  I've used MDADM + LVM2 on many boxes for quite a while. MDADM was serving for both RAID0 and RAID1 arrays, while LVM2 where used for logical volumes on top of MDADM. Recently I've found that LVM2 could be used w/o MDADM (thus minus one layer, as the result - less overhead) for both mirroring and stripping. However, some guys claims that READ PERFORMANCE on LVM2 for mirrored array is not that fast as for LVM2 (linear) on top of MDADM (RAID1) as LVM2 does not read from 2+ devices at a time, but use 2nd and higher devices in case of 1st device failure. MDADM reads from 2 devices at a time (even in mirrored mode). Who could confirm that?

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• WD My Passport Essential SmartWare External Hard Drive

  - by Acer

  Hi Ive been gifted a My Passport SmartWare External Hard Drive(500gb). I used it and it works fine and installed WDSmartWare The Second time i used it,still fine,but I took it out without using the "Safely Remove Hardware" So the third time I used it,there's a bubble come out that says: USB Device Not Recognized One of the USB devices attached to this computer has malfunctioned, and Windows does not recognize it.For assistance in solving the problem, click this message. I tried connecting it to other USB Ports but it didn't work I tried Uninstalling WDSmarWare and connect it but it didn't work Please help me I like this hard drive so much and I spoilt it easily XD P.S I think about 13% has been used up in the Hard Drive P.S.S Other USBs can work fine in the computer P.S.S.S I tried connecting it to other computer and works fine OMG

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• Understanding how Tracert works

  - by iridescent

  From what I gathered so far, Tracert works by sending 3 ICMP echo messages. Starting with a TTL value of 1. For each router the packet encounters, the TTL value will be decremented. For the 1st router, 1-1 = 0, so an ICMP "time exceeded" message will be sent back to the sender machine. Next, the TTL value will be incremented to 2 by the sender machine and the cycle repeats for the 2nd router (2--1--0) and so on. Please correct me if my undestanding is flawed. I am curious as to why the ICMP "time exceeded" message isn't displayed by Tracert in Command Prompt since it is in fact an error message ? The cycle simply proceeds on. Thanks.

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• Disable drop shadows around windows or the menu bar on OS X

  - by Lri

  Nocturne has an option for disabling shadows around windows. But it's only available in night mode, and changing the mode (like when opening the application) causes an annoying screen flash animation. There's no way to disable the shadow under the menu bar either. MacThemes Forum / Removing the menubar dropshadow has a link to a .psd for making special desktop backgrounds that cancel out the shadow under the menu bar. But it only works if that area of the desktop picture has a low enough brightness. Some applications that cover the desktop (like DeskShade) also cover the menu bar's shadow. That's not a real solution though. Unsanity's ShadowKiller stopped working in either 10.5 or 10.6. (It does still work on 10.7.2, but the website says "NOT compatible with Mac OS X 10.6 Leopard", and I couldn't get it to work on a 10.6 installation.) Related: How do I decrease the window shadow in Mac OS X? - Super User

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• Enable basic auth sitewide and disabling it for subpages?

  - by piquadrat

  I have a relatively straight forward config: upstream appserver-1 { server unix:/var/www/example.com/app/tmp/gunicorn.sock fail_timeout=0; } server { listen 80; server_name example.com; location / { proxy_pass http://appserver-1; 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; auth_basic "Restricted"; auth_basic_user_file /path/to/htpasswd; } location /api/ { auth_basic off; } } The goal is to use basic auth on the whole website, except on the /api/ subtree. While it does work with respect to basic auth, other directives like proxy_pass are not in effect on /api/ as well. Is it possible to just disable basic auth while retaining the other directives without copy&pasting everything?

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• VMWare Fusion - Cannot communicate between Host Mac and Virtual Mac running on same machine [migrated]

  - by Jeff Gold

  I'm running a "virtual" Mac OS machine on a Mac running VMWare Fusion. The Virtual Mac is setup with Bridged Networking, and has its own separate IP address. The outside world can connect to either the Mac itself or the virtual Mac via their respective IP addresses just fine, this works great! The problem... the Mac itself cannot connect to the virtual Mac's IP address, nor can the virtual Mac connect to the real Mac's IP address. Some things I've read mention something about enabling VMCI, but I have no idea how to do this, or if this is even the correct solution. Any suggestions?

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• Problem restarting my Ubuntu system

  - by VoY

  Whenever I try to restart my Ubuntu either from the command line by typing reboot or in GNOME the computer goes from X to console, starts the shutdown process and then a message saying "[ some number ] Starting new kernel" appears on the screen and the computer goes back to X login screen. I suspect this must have something to do with nvidia drivers, because it seemed to have appeared around the time I bought a new graphic card. Also, when I reboot the second time I see weird graphical artifacts on the screen. When I boot from ubuntu live cd I can reboot just fine. I used jaunty, recently I switched to karmic with no change. This bug is very annoying, because I have to hard reset my computer in order to reboot. Also not good for the filesystems, I suspect. Can you suggest a way to debug the cause or if not at least the easiest way to go about reinstalling ubuntu without losing customizations/settings/data?

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• Ironport X-Junk header.

  - by Kyle

  My school uses Ironport for filtering/monitoring web traffic. I have a bit of curiosity as to why it tacks on a x-junk: header onto everything. After going through a few curl tests, I've found no real connection between what is shown on the page and the x-junk: header. here's my curl request: any ideas? Anchorage:~ khotchkiss$ curl -I google.com HTTP/1.1 301 Moved Permanently Location: http://www.google.com/ Content-Type: text/html; charset=UTF-8 Date: Sun, 06 Feb 2011 04:37:25 GMT Expires: Tue, 08 Mar 2011 04:37:25 GMT Cache-Control: public, max-age=2592000 Server: gws X-XSS-Protection: 1; mode=block Content-Length: 219 Age: 108 Via: 1.1 MC-IRONPORT.UNIVERSITY.LIBERTY.EDU:80 (IronPort-WSA/6.3.3-015) Connection: keep-alive X-Junk: xxxxxxxxxxxxxxxxxxxxxxx

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• How do I convert a Linux disk image into a sparse file?

  - by endolith

  I have a bunch of disk images, made with ddrescue, on an EXT partition, and I want to reduce their size without losing data, while still being mountable. How can I fill the empty space in the image's filesystem with zeros, and then convert the file into a sparse file so this empty space is not actually stored on disk? For example: > du -s --si --apparent-size Jimage.image 120G Jimage.image > du -s --si Jimage.image 121G Jimage.image This actually only has 50G of real data on it, though, so the second measurement should be much smaller. This supposedly will fill empty space with zeros: cat /dev/zero > zero.file rm zero.file But if sparse files are handled transparently, it might actually create a sparse file without writing anything to the virtual disk, ironically preventing me from turning the virtual disk image into a sparse file itself. :) Does it? Note: For some reason, sudo dd if=/dev/zero of=./zero.file works when cat does not on a mounted disk image.

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• Company Password Management

  - by Brian Wigginton

  The topic of personal password management has been covered in great detail time after time. This question is aimed at the business or organization that needs to keep track of many unique passwords for many clients. What are some strategies/tools or ideas you all have for accomplishing this task? I was at an Interactive Agency, where we needed to keep track of client DB, ftp, mail... and for different environments for the app so any one client would have up to 3-10 passwords usually. This can get crazy when there are more than 250 clients

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• Postgres 9.0 locking up, 100% CPU

  - by Jake

  We are having a problem where our Postgres 9.0 server occasionally locks up and kills our webapp. Restarting Postgres fixes the problem. Here's what I've been able to observe: First, usage of one CPU jumps to 100% for a few minutes Disk operations drop to ~0 during this time Database operations drop to 0 (blocks and tuples per sec) Logs show during this time: WARNING: worker took too long to start; cancelled WARNING: worker took too long to start; cancelled No Queries in logs (only those over 200ms are logged) No unusually long-running queries logged before or during Then the second CPU jumps to 100% The number of postgres processes jumps from the usual 8-10 to ~20 Matched by a spike in Postgres Blocks per second (about twice normal) Logs show LOG: could not accept SSL connection: EOF detected Queries are running but slow Restarting postgres returns everything to normal Setup: Server: Amazon EC2 Large Ubuntu 10.04.2 LTS Postgres 9.0.3 Dedicated DB server Does anyone have any idea what's causing this? Or any suggestions about what else I should be checking out?

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• Error Installing ruby with RVM Single User mode on Arch Linux

  - by ChrisBurnor

  I've just installed RVM on ArchLinux x64 in single user mode via the recommended install script curl -L https://get.rvm.io | bash -s stable I've also installed all the requirements listed in rvm requirements However, I'm having trouble actually installing any version of ruby. And getting the following error: arch:~ % rvm install 1.9.3 No binary rubies available for: ///ruby-1.9.3-p194. Continuing with compilation. Please read 'rvm mount' to get more information on binary rubies. Fetching yaml-0.1.4.tar.gz to /home/christopher/.rvm/archives % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 460k 100 460k 0 0 702k 0 --:--:-- --:--:-- --:--:-- 767k Extracting yaml-0.1.4.tar.gz to /home/christopher/.rvm/src Prepare yaml in /home/christopher/.rvm/src/yaml-0.1.4. Configuring yaml in /home/christopher/.rvm/src/yaml-0.1.4. Error running ' ./configure --prefix=/home/christopher/.rvm/usr ', please read /home/christopher/.rvm/log/ruby-1.9.3-p194/yaml/configure.log Compiling yaml in /home/christopher/.rvm/src/yaml-0.1.4. Error running 'make', please read /home/christopher/.rvm/log/ruby-1.9.3-p194/yaml/make.log Please note that it's required to reinstall all rubies: rvm reinstall all --force Installing Ruby from source to: /home/christopher/.rvm/rubies/ruby-1.9.3-p194, this may take a while depending on your cpu(s)... ruby-1.9.3-p194 - #downloading ruby-1.9.3-p194, this may take a while depending on your connection... ruby-1.9.3-p194 - #extracting ruby-1.9.3-p194 to /home/christopher/.rvm/src/ruby-1.9.3-p194 ruby-1.9.3-p194 - #extracted to /home/christopher/.rvm/src/ruby-1.9.3-p194 Skipping configure step, 'configure' does not exist, did autoreconf not run successfully? ruby-1.9.3-p194 - #compiling Error running 'make', please read /home/christopher/.rvm/log/ruby-1.9.3-p194/make.log There has been an error while running make. Halting the installation. The log files are as follows: arch:~ % cat ~/.rvm/log/ruby-1.9.3-p194/yaml/configure.log __rvm_log_command:32: permission denied: arch:~ % cat ~/.rvm/log/ruby-1.9.3-p194/yaml/make.log make: *** No targets specified and no makefile found. Stop. arch:~ % cat ~/.rvm/log/ruby-1.9.3-p194/make.log make: *** No targets specified and no makefile found. Stop.

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• MySQL - Why would SHOW SLAVE HOSTS cause a binlog dump?

  - by Rory McCann

  We're getting loads of binlog files in our MySQL 5.0.x. We have a normal master/slave replication thing going with 1 master, 1 slave. Looking at /var/log/mysql.log, nearly 90% of the time the replicator connects and does a SHOW SLAVE HOSTS causes a bin log dump. For example: 7020 Query SHOW SLAVE HOSTS 7020 Binlog Dump Log: 'mysql-bin.029634' Pos: 13273 However when I do a SHOW SLAVE HOSTS on the mysql myself, I get no results. Occasionally when the replicator does a SHOW SLAVE HOSTS, mysql will hang for hours. I see nothing in the /var/log/syslog at the same time... What's going on here? How can I debug this more? For the record the MySQL master and slave servers are ubuntu dapper.

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• Good ways to restart all the computers in a remote cluster?

  - by vgm64

  I have a cluster that I manage and from time to time I get emails from each node (and head node) begging to be restarted after an automatic upgrade. Currently, my best solution so far is a shell script like: $> cat cluster_reboot.sh ssh [email protected] reboot ssh [email protected] reboot ssh [email protected] reboot ssh [email protected] reboot ssh [email protected] reboot ssh [email protected] reboot I end up just typing the root password six times, but it works, I guess. Is there a better way? Can I force the head node to reboot the computers for me?

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• Syntax for file and process exclusions in Forefront Endpoint Protection?

  - by Massimo

  I can't seem to find an official and up-to-date documentation on how to set up file and process exclusions in Forefront Endpoint Protection 2012. For file types, which of these will work? Are they the same? ext .ext *.ext What about wildcards? .e?t .e* .*t For file paths, which wildcards are allowed and how do they work? C:\path* C:\path\s*e C:\path\somef?le C:\*\somefile C:\pa*\somefile C:\pa?h\somefile *\path *:\path For processes, can wildcard be used when specifying the file name? Same syntax as file paths? Also: I read in this post that, as of October 2009, Real Time Protection ignored wildcards; is this still true for the 2012 version?

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• Autoscale Rackspace Cloud, Scalr or DIY?

  - by Andre Jay Marcelo-Tanner

  I'm looking into creating a setup on Rackspace Cloud that will allow me to autoscale my webservers (no db) on demand. Preferably using something like response time. I've read into configuration tools like Puppet/Chef, but I'm thinking I can just launch from prepared server images that are ready to go. Is there any tool out there already that can monitor my existing node response times and then launch or scale up new ones based upon certain variables like average X load over Y time? I see there are commercial offerings like Scalr, Rightscale, but how would I do this myself?

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