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  • Scanned JPEGs are large and slow to load - can they be optimized losslessly?

    - by Alistair Knock
    I have hundreds of JPEG photographs which were scanned about 5 years ago from negative using a Konica Minolta DiMAGE Scan Dual IV. The dimensions are ~4500x3000, and the filesize is around 12Mb, compared to shots from a DSLR with dimensions of 3000x2300 and filesize of 2-4Mb (actually, these are the output from a RAW convertor). The filesize is obviously quite a big difference, but the issue that's bothering me is that the (perceived) loading time is at least 10 times slower. Is this size/speed discrepancy likely to be because the scanner software saved the JPEGs inefficiently / using an old compression format, or is it simply that the scanned negatives contain much more "detail" (in the form of grain/noise) than the digital images? If the former, is there a way to losslessly optimize them? I've tried re-exporting the scanned files to full size JPEG from my RAW software but the filesize is pretty much the same. Both files will have been saved at 100 quality.

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  • Swiftfox(A variant of Firefox i.e getswiftfox.com ) is taking ages to load in Debian Lenny.

    - by unixbhaskar
    As I mentioned the problem in the Title line..so no stating here once more.I have been using swiftfox for all other partition os without any problem i.e it works flawlessly on Arch,Fedora,Gentoo( my other OSes) ..but giving trouble in Debian Lenny.... Not yet find any clue. Please throw some light on it.The point is that I have had periodically prune swiftfox/firefox internal database; as well as upgrade and update empirically . I am bemused with this problem in Debian Lenny. Cheers! Bhaskar

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  • How can I force a Mac OS X kext to load prior to login?

    - by wfaulk
    I have a kext that I would like to be loaded at startup time. It doesn't need to be loaded particularly early in the process, but I would like it to be loaded before a user logs in. The kext in question is InsomniaT, and, unlike a device driver, there is nothing that is automatically going to request that it be loaded into the kernel, so just putting it in /System/Library/Extensions won't do anything. What's the best way to do this?

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  • error: unexplained error (code 130) at rsync.c(541) [sender=3.0.7]

    - by brazorf
    This error: unexplained error (code 130) at rsync.c(541) [sender=3.0.7] error is happening after i changed router. Actually, i found out that this error just happens on a ctrl+c signal, so it could be not representative about the error itself. The command i run is very basic: rsync -avz --delete /local/path/ username@host:/path/to/remote/directory Basically, the rsync just stuck there and nothing's happening, until i ctrl+c. After interrupting the process i got the error in subject. I past the whole thing here: rsync -avvvvz --delete /source/path/ username@host:/path/to/direectory cmd=<NULL> machine=HOSTNAME user=username path=/path/to/direectory cmd[0]=ssh cmd[1]=-l cmd[2]=username cmd[3]=HOSTNAME cmd[4]=rsync cmd[5]=--server cmd[6]=-vvvvlogDtprze.iLsf cmd[7]=--delete cmd[8]=. cmd[9]=/path/to/direectory opening connection using: ssh -l username HOSTNAME rsync --server -vvvvlogDtprze.iLsf --delete . /path/to/direectory note: iconv_open("UTF-8", "UTF-8") succeeded. ^C[sender] _exit_cleanup(code=20, file=rsync.c, line=541): entered rsync error: unexplained error (code 130) at rsync.c(541) [sender=3.0.7] [sender] _exit_cleanup(code=20, file=rsync.c, line=541): about to call exit(130) The authentication runs on ssh via rsa key. I tried basic troubleshoot such as: ping the remote host ssh -l username remote.host check software firewall logs i asked the remote host sysadmin to check for logs, and when i run that command a ssh connection is actually being established and i can state there is no comunication/authentication/name resolution issue here. Rolling back to old router make this work again. Both client and server are running ubuntu 10.04. Try to take a look at my router configuration, where i'm no experienced at all, but i didnt see any "suspect" (what i was looking for is firewall blocking something) setting. The router itself is DLINK DVA-G3670B. Any suggestion? Thank You F.

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  • How can I load an image directly into the Windows clipboard from the command line?

    - by Daniel J. Pritchett
    My dad asked me how he could script the pasting/inclusion of images in various applications. I'm sure I could script out some quick <img src=... HTML but I believe he's also looking to do this in Windows GUI applications like Word or Outlook. So, how could I script a process with the following inputs and outputs: load_image_into_clipboard_script.cmd sample_file.jpg Clipboard now contains the aforementioned image file, just as if I'd e.g. opened it in Paint and done a Select All - Copy. I noticed there's a clip.exe utility with Vista/Win2003 and up; perhaps that will be a useful intermediary?

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  • How to build an outbound load balancer with linux?

    - by matnagel
    We have a small house in the countryside and there is no fixed broadband, so we had a mobile flatrate first, and for 2 people with 2 computers it was too slow, so now we have 2 flatrates for 2 client machines. So I pay 2 flatrates and have double bandwith theoretically. There is a local network in the house that connects everything. But when I am alone I wonder how I can use both connections at the same time. I want to build a solution where I can browse the web and page requests are spread between the 2 connections. I imagine there are expensive routers who can split the traffic between 2 lines. But is there a good way to do it with linux? The solution I am looking for will split the requests already for one page (multiple images, css files, javascrfipt files) between the two lines.

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  • Deploying a Django application in a virtual Ubuntu Server

    - by mfsaint
    I have a virtualbox machine running Ubuntu Server 10.04LTS. My intention is to this machine to work like a VPS, this way I can learn and prepare for when I get a VPS service. Apache+mod_wsgi for deploying the Django app seems the right choice to me. I have the domain (marianofalcon.com.ar) but nothing else, no DNS. The problem is that I'm pretty lost with all the deployment stuff. I know how to configure mod_wsgi(with the django.wsgi file) and apache(creating a VirtualHost). Something is missing and I don't know what it is. I think that I lack networking skills ant that's the big problem. Trying to host the app on a virtualbox adds some difficulty because I don't know well what IP to use. This is what I've got: file placed at: /etc/apache2/sites-available: NameVirtualHost *:80 <VirtualHost *:80> ServerAdmin [email protected] ServerName www.my-domain.com ServerAlias my-domain.com Alias /media /path/to/my/project/media DocumentRoot /path/to/my/project WSGIScriptAlias / /path/to/your/project/apache/django.wsgi ErrorLog /var/log/apache2/error.log LogLevel warn CustomLog /var/log/apache2/access.log combined </VirtualHost> django.wsgi file: import os, sys wsgi_dir = os.path.abspath(os.path.dirname(__file__)) project_dir = os.path.dirname(wsgi_dir) sys.path.append(project_dir) project_settings = os.path.join(project_dir,'settings') os.environ['DJANGO_SETTINGS_MODULE'] = 'myproject.settings' import django.core.handlers.wsgi application = django.core.handlers.wsgi.WSGIHandler()

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  • Pages load in brower fine, but 404 not found reported for the page during the GET on all pages except index

    - by user885983
    I believe this question is more suited to serverfault (please correct me if not). This issue appears very similar to this question (except there are no 301 Moved Permanently for any pages). The domain is yorkshirebadges.co.uk. For example, loading yorkshirebadges.co.uk or yorkshirebadges.co.uk/index.php reports no 404s during network inspection. But every other page (/contact.php, /products.php) report a not found. Mod_rewrite is being used on the site, I checked this out but didn't see any obvious errors. It's included below for reference: RewriteEngine on RewriteRule ^store/material/([^/\.]+)/price/?([^/\.]+)?$ products.php?prodType=$1&price=$2 RewriteRule ^store/price/?([^/\.]+)?$ products.php?price=$1; RewriteRule ^store/material/?([^/\.]+)?$ products.php?prodType=$1 RewriteRule ^store/([^/\.]+)/?$ products.php?prodCat=$1 RewriteRule ^store/([^/\.]+)/price/([^/\.]+)$ products.php?prodCat=$1&price=$2 RewriteRule ^store/Type/?([^/\.]+) products.php?prodType=$1 RewriteRule ^store/([^/\.]+)/?([^/\.]+)?$ view-product-details.php?cat=$1&prodName=$2 RewriteRule ^store/([^/\.]+)/material/?([^/\.]+)?$ products.php?prodCat=$1&prodType=$2 RewriteRule analytics http://www.google.com/analytics <IfModule mod_suphp.c> suPHP_ConfigPath /home/yorkshir <Files php.ini> order allow,deny deny from all </Files> </IfModule> Chrome Network Inspection (and firebug on firefox) report 404s on all pages except the index, the server is apache2. Really scratching my head on this one!

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  • How can I run a job when the server load is low?

    - by jberryman
    I have a command that runs a disk snapshot (on EC2, freezing an XFS disk and running an EBS snapshot command), which is set to run on a regular schedule as a cron job. Ideally I would like to be able to have the command delayed for a period of time if the disk is being used heavily at the moment the task is scheduled to run. I'm afraid that using nice/ionice might not have the proper effect, as I would like the script to run with high priority while it is running (i.e. wait for a good time, then finish fast). Thanks.

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  • amazon ec2 ubuntu with gitlab and nginx - cant load?

    - by thebluefox
    Ok, so I've spooled up an Amazon EC2 server running Ubuntu, and then followed the instructions below to install GitLab; http://doc.gitlab.com/ce/install/installation.html The only step I've not been able to complete is running the following check on the status; sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production I get the following error; rake aborted! Errno::ENOMEM: Cannot allocate memory - whoami Which I presume is becuase my EC2 is just running a free tier setup, so isn't that well spec'd. Regardless, I've been trying to access this through my browser. I've set up the elastic IP and pointed my domain at it (for the purpose of this, lets say its git.mydom.co.uk). Doing a whois on this domain shows me its pointing to the right place. For some reason though, I get the "Oops, Chrome could not connect to git.mydom.co.uk". Now - for a period of time I was getting the Nginx holding page (telling me I still needed to perform configuration). This though disappeared after removing the default file from /etc/nginx/sites-enabled/ (after reading this could be issue on a troubleshooting page). Since then, I've had nothing, even when I symlinked the file back in from /sites-available. I've tried changing the owner of the git.mydom.co.uk file sat inside /sites-enabled and /sites-available to www-data, as suggested here, but I could only change the permission of the file in /sites-available, and not the symlinked one in /sites-enabled. The content of this file is as follows; upstream gitlab { server unix:/home/git/gitlab/tmp/sockets/gitlab.socket; } server { listen *:80 default_server; # e.g., listen 192.168.1.1:80; In most cases *:80 is a good idea server_name git.mydom.co.uk; # e.g., server_name source.example.com; server_tokens off; # don't show the version number, a security best practice root /home/git/gitlab/public; # Increase this if you want to upload large attachments # Or if you want to accept large git objects over http client_max_body_size 20m; # individual nginx logs for this gitlab vhost access_log /var/log/nginx/gitlab_access.log; error_log /var/log/nginx/gitlab_error.log; location / { # serve static files from defined root folder;. # @gitlab is a named location for the upstream fallback, see below try_files $uri $uri/index.html $uri.html @gitlab; } All the paths mentioned in here look ok...I'm about at the end of my knowledge now!

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  • Force a browser to load the 'https' edition of a website, not the 'http'?

    - by warren
    This is similar to this previous question, but I believe it's a bit different*. Sites like GMail support a preference that pushes all traffic through the SSL edition of the site rather than the plain-text protocol. For sites that don't offer such preferences (or ones that may, but I have been unable to find, like facebook), is there a way using only the browser (perhaps with a plugin or addon) to always try SSL first, and fall-back to plain-text iff SSL fails? Is that solution available on Windows, Mac OS X, and Linux? Just one? * The previous question was looking for external applications that would accomplish this goal.

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  • Is it possible to have Grub2's boot.img in the MBR and have it load core.img from a separate boot pa

    - by wesley
    I have a multiboot system that I would like to use Grub to manage. The version of Grub shipping with my Linux distro is Grub2, and it installs its equivalent of stage 1.5-2, core.img, into the remaining sectors on the first track after the MBR but before the first partition. Unfortunately, those sectors are needed by another program. I have a separate primary /boot partition. If I could only keep boot.img as my MBR but have it look in the /boot partition for core.img rather than the embedded one in the sectors immediately following the MBR, everything would work fine. Is this possible with grub2?

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  • Why does my downloads folder take so long to load?

    - by msbg
    When I open my downloads folder, no files appear, just a message saying "This folder is empty". I see the address bar progress slowly creeping along, and after about thirty seconds the files and folders appear. This problem only occurs in the downloads folder. If I search for a file in the downloads folder, it comes up, and if I right click on it and select "Open File Location", everything shows up instantly. I am using Windows 8, but I think I had a similar problem once in Windows 7. Sadly I can't remember how I fixed it.

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  • Having trouble with a workaround, for booting from a usb stick, using grub and a minimal linux kernel to load usb drivers

    - by s hanley
    I'm trying to boot from a usb stick. I formatted it to fat32, and later to ext2, and installed dsl on it using unetbootin, and later the usb install guide on dsl wiki (http://www.damnsmalllinux.org/wiki/index.php/Install_to_USB_From_within_Linux). The bios doesn't have a setting for booting from usb. Grub doesn't "see" the usb drive when I use the root and find commands, explained in (http://www.damnsmalllinux.org/wiki/index.php/USB_Booting). This happens even when I set boot from floppy at the top of the boot order. However, my usb keyboard is recognised by the bios and by grub. How can it recognise the keyboard but not the usb drive? Also, the usb led does flash even before grub starts up, so surely something must be happening usb-wise? I am now following an ubuntu guide to booting from a USB stick, using a hdd-based, minimal linux kernel to supply the usb drivers. But I'm having difficulty adapting it to other OSes (slax/dsl/aptosid). I believe I have to alter the initrd.gz file to include usb drivers and then copy that file along with vmlinuz to a partition on my hdd. But, what's the grub command for the kernel line supposed to look like? From the ubuntu example it's: title USB FLASH DRIVE root (hd0,6) kernel /boot/usb-boot/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper noprompt cdrom-detect/try-usb=true persistent initrd /boot/usb-boot/initrd.lz boot Should mine just be: title USB FLASH DRIVE root (hd0,6) kernel /boot/usb-boot/vmlinuz cdrom-detect/try-usb=true initrd /boot/usb-boot/initrd.lz boot

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  • How to load a .app file into iTunes from Windows?

    - by wolverine
    I have an app GotYou.app in Mac, which seems to be a single file(I know it is not, but appears to be so). And we can just drag and drop it into the iTunes in Mac. But when i copied it into windows OS for copying that into another iTunes - It appears to be a small file along with a folder. How can I copy this itunes so that I can install this into an iPhone?

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  • How can I load one image over network to multiple computers on boot?

    - by user754730
    A few years ago I saw this in a company but I don't know how it was built. There was 1 Computer (I don't know if Windows Server or plain Windows 7 - the server) and 3 other computers (Windows 7 - the clients). As soon as the Windows 7 clients were started, they all started up the same image (Don't know if the same image file or just the same state) over network and were able to work on the computer. As soon as the machine was shutdown, all the changes made to the system were erased. How could I build a system like this so I have 1 image file which I keep up to date and then feed it to the other machines in my network? It would look this this basically:

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  • Why is only one wget command working in my crontab?

    - by afEkenholm
    I wish to fetch content from a PHP script on my server two times a day, altering a query variable lang to set what language we want, and save this content in two language specific files. This is my crontab: */15 * * * * ~root/apache.sh > /var/log/checkapache.log 10 0 * * * wget -O /path/to/file-sv.sql "http://mydomain.com/path/?lang=sv" 11 0 * * * wget -O /path/to/file-en.sql "http://mydomain.com/path/?lang=en" The problem is that only the first wget command line is being executed (or to be precise: the only file that is being written is /path/to/file-sv.sql). If I switch the second and the third row, /path/to/file-en.sql gets written instead. The first line always runs as expected, no matter where it is. I then tried using lynx -dump "http://mydomain.com/path/?lang=xx" > /path/to/file-xx.sql to no avail; still only the first lynx line executed successfully. Even mixing wget and lynx did not change this! Getting kinda desperate! Am I missing something? There are thousands of articles on crontab (combined with) wget or lynx, but all seems to cover basic setups and syntax. Does anyone got a clue of what I am doing wrong? Thanks, Alexander

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  • Laptop won't load an OS or even an OS setup.

    - by Talasan Nicholson
    My fiancé's laptop started to crash and would get BSOD errors to the point that she couldn't even boot up because it would either take forever or just crash. So I figured I'd try to reformat, as it's done this before and this was the solution last time. On Windows 7, it will not go passed the "Setup is starting..." screen. On Windows XP, it crashes once the setup is about to start (BSOD). I shut it down and let it sit for 5+ hours, in case it was overheating, but it's doing the same thing anyway. By now, I figure it's something to do with the hardware but I hope not. Any ideas?

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  • Is possible to load Windows 7 from the eSATA drive, even if it's not supported in BIOS?

    - by ClarityForce
    I'm using a laptop which has eSATA connection. I would like to install Windows 7 on the external disk (to have it completely separated from the OS on the internal hdd). According to the manufacturer, booting from eSATA drive won't be possible. I've checked the BIOS settings and it appears to be correct - eSATA is not even listed in the boot sequence. I'm wondering if there can be any workaround to that limitation, for example starting a custom bootloader on the USB pendrive, just to boot Windows 7 on the eSATA drive.

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  • Subdomain on a separate server (Windows/IIS) won't load default web site?

    - by DOTang
    I've got a domain hosted under godaddy.com. I set it up so that subdomain.mysite.com points to a different server which uses Windows/IIS (say for example ip 1.1.1.1). When I go to the subdomain I get no errors, but no webpage loads. In IIS under the default website I added a bindings for subdomain.mysite.com with the ip of 1.1.1.1, but still nothing loads, just a totally blank page. I know for sure the subdomain host is working correctly because when I ping my subdomain, the correct IP shows. What am I missing to get this working?

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  • Is it possible to have Grub2's boot.img in the MBR and have it load core.img from a separate boot partition?

    - by wesley
    I have a multiboot system that I would like to use Grub to manage. The version of Grub shipping with my Linux distro is Grub2, and it installs its equivalent of stage 1.5-2, core.img, into the remaining sectors on the first track after the MBR but before the first partition. Unfortunately, those sectors are needed by another program. I have a separate primary /boot partition. If I could only keep boot.img as my MBR but have it look in the /boot partition for core.img rather than the embedded one in the sectors immediately following the MBR, everything would work fine. Is this possible with grub2?

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  • How can I force mail clients like Outlook or Thunderbird to load SSL images with invalid certificate?

    - by Abel
    Essentially, we only encounter this issue with our testing environments, where we send mail that contains HTTPS links that point to test servers with self-signed SSL certificates. In a browser I can select to accept the certificate. Is there something similar for mail clients like Thunderbird or Outlook that I can use? Currently, we don't see any images in our test mail, which greatly confuses the UAT team.

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