Ubuntu :: DJVU Converted (Slowly) To (Massive) PDF
Mar 7, 2010
There are quite a few threads in this forum on how to convert a DJVU file into a PDF (among which this thread the instruction of which I followed.) I converted a DJVU file by printing it to a PS file from the Document Viewer. Then I printed again the PS to file into a PDF from that same application. The second phase took more than 24 hours and resulted in a scanned PDF of less than 500 pages with a size of 315 MB! I have many books of more pages which come down to 1 MB only. What happened in the process to make it so damn slow and so inefficient? Is there a good alternative (not ps2pdf because it provides the same result)?
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Mar 22, 2011
when i compile evince-dbg from source, it can open pdf very well, but when i try to open djvu files, it says that djvu image is not supported?? what do i have to do to address this?
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Jul 7, 2010
i have one big pdf file that i made from 272 Photos. Heard that djvu format is better at compression than pdf. But have no clue how to use it. I have in synaptic installed pdf2djvu package, and it is in /usr/bin, but have no idea how to use it
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Jul 2, 2010
What happens is that I like the djvu format (a lot!), and I'd like to export all my pdf books (I'm studying the university and I have a lot of pdf books) to djvu format.The problem is that I found very uncomfortable to read a djvu book (with hundreds of pages) without the help of bookmarks or index.I have found some djvu files with bookmarks and that's why I believe that there is a way to do this.I found an application called djvubookmarker on sourceforge.net , but this application only works on Windows OS (and doesn't work really good, it has some bugs) so I haven't used wine to use this application with my Ubuntu.
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Jan 15, 2011
I need to open a text file which is stored in (file.djvu) format. How could I open this file?
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Jan 11, 2011
I've downloaded some files from the Internet Archive. They come in different file formats and most of the time I use pdf. However, sometimes the scans are saves in colour instead of b/w. This makes it difficult/impossible to read on a dedicated ebook reader. In that case I downloaded the djvu files as on the PC you can select which layer (color, bw,fore,back) one would like to see. Selecting the bw gives excellent results. However, the ebook reader does not has this option.
The question is, how can I remove /extract a layer from the djvu file and save only this layer.
So far I've tried the following two approaches:
1) select bw in the djvu viewer on the PC and printed to postscript file. Followed by a ps2pdf conversion. This works, but generates a fairly large pdf file. Sure, I can again upload it to any2djvu but it just seems to much manual work for each file.
2) I tried the shared annotation feature and said (mode bw). This works on the PC as desired but is ignored on the ebook reader as the other layers are still present.
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Nov 30, 2008
I've downloaded a book with djvu compression.how will I extract it .I'm using RHEL5 SERVER.
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Jan 26, 2010
I've got some documents in DjVu which I'll like convert to PDF. Is there a way to do this using command line OSS tools?
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Sep 1, 2011
I run minecraft with java and it uses massive CPU up to 60%. Java is dedicated almost 1GB of my 4GB RAM. I have a cheap AMD quad core proccessor (I think its equivalent to dell i3 or dell dual-core.)
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Feb 28, 2010
Somebody, without saying anything to us, has deleted (not moved) a lot of wiki pages for laptop testing and setup guide. A lot of people were working hardly to document as best as possible each laptop computer to configure Ubuntu GNU/Linux.
Here follows a list with only a few of the lost pages:
[url]
[url]
[url]
[url]
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May 19, 2010
my processor usage spikes and it fades epic slow then there is no lag when the screen saver comes up
the screen saver is skyrockets my computer's specs are in my signature
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Aug 16, 2010
I've been having some problems with Lucid; all my applications seem to be hogging memory like no tomorrow. Within about 15 minutes from booting the system, processes like Google Chrome, Nautilus, Python, Pidgin all start to take seemingly too large amounts of memory.
Chrome is the worst one, easily shooting over 200-300MB of my 2GB's of RAM. I would have reported this as a bug in Chrome itself, but my other applications seem to share the problem to some extent. Also: My colleague has identical hardware and identical versions of Ubuntu / Chrome, while he has no memory problems whatsoever.Currently I am running Chrome, Geany, Pidgin, Thunderbird and FileZilla. For this and itself, Ubuntu now consumes 1.8GB of RAM (that's including 500MB cached).
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Jul 4, 2010
This is my main problem, I have some .mp4 videos and want to play it on a regular DVD player, but when I converted it, using avidemux, the DVD player doesn't even know the video is on the USB drive.
I encoded this videos on .mp4 to save some space, but now I need it on .avi.
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Oct 25, 2010
I used Sound Converter to convert a few artists tracks from flac to mp3. I've done this successfully in the Windows environment many times. Now when I go to play the tracks on my Creative Zen, they are not there but when I look at the tracks that I transferred over, in the file window, they are there and they are MP3's but my Zen isn't recognizing them. What's going on? All other artists that aren't converted MP3s are fine.
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Apr 30, 2010
Where can I find a list of services converted to upstart in Ubuntu 10.04? What is the syntax for stopping, starting and restarting these services?
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Jun 25, 2010
I used the script mentioned here [URL] to convert some wma files to mp3 however rhythmbox will not import these. Is this to do with the way they were conveted? Is there a better way or will converting wma to mp3 always result in this? Was going to try soundconverter but I wasn't sure if this would just do the same thing.
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Aug 18, 2010
1) Is there an existing substitute for this theme for GNOME and Metacity?
2) If not, is there a way to convert Windowblinds themes into the GTK2.0/Metacity format?
I did some searching for the first question for him, and haven't found any that are very close or that work well. To be honest, I haven't even found one that looks remotely like it. I do have to say, however, that I myself am interested in the second question. Is there a way to convert a Windowblinds .ZIP or .WGA archive to the format of GTK2.0/Metacity? In doing some looking around, I am certain that with a LOT of work, I could port the Windowblinds theme into GNOME, using some image editing and file movement. But is it really necessary?
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Dec 3, 2010
I recently ran into a problem though. using mav. meerkat I have figured out how to rip dvds using acid rip, medibuntu and some ..... tutorials. Then I tried to put them on my ipod using gtkpod. when this did not work I did some research and realized the video files needed to be converted. At first I tried avidemux, it seemed to work but when i put them on my ipod (video white 80 gb) I tried to play them and the screen just went black and several seconds later was sent back to the menu. Then I tried winnff, but there was no ipod preset only a rockbox ipod preset which I tried with the same result. I then tried openshot using these parameters -ipod libx264 libfaac 1.25 Mbit/s -> 1.5 Mbit/s 128 kbit/sto160 kbit/s Quarter Square NTSC 320x24029.97HzAVCHDQuicktime 7Still same result. I have gotten purchased mp4 videos to work using gtkpod, so I am assuming it is a conversion problem. Also the converted mp4 I made using openshot plays fine on banshee player
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Sep 10, 2010
I have many home movies that I converted from VHS tapes to AVI files. I have it setup where I can watch it on my TV, but my hard drive is getting full because of size and quantity of AVI files. What I would like to do is make a file server to house all of these movies, but I have a couple of P4 2.0GHZ processor and couple 160GB Hard Drives. I would like to know if I can combine multiple computers and create a cluster or private cloud, combine the hard drive and processor power and set it up that way...in a sense a massive powerful file server. I am thinking of expanding this to include my word documents and pictures as well.
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Jul 6, 2010
I've ripped all my cd's in to MP3 using ripit, however, it seems as if ripit added 2 seconds to my mp3's, so how do I shave two seconds off each of my mp3's in one massive folder?
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Nov 26, 2010
having some massive sound quality issues... my sound sounds so incredibly horrible.. it sounds like my speakers are blown out, all crackly and ******. at a loss because i do have sound, it just sounds horrible.
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Jan 24, 2011
I hadn't updated until yesturday night, today after the massive update and reboot, my x stopped working. What happens is, after the splash screen, both screens goes black and unresponsive. Tried killing X and alt + ctrl + f1 etc. I can probably fix this myself if I could access the terminal but, the other day I had to be stylish and remove everything from my grub boot besides Windows 7 and the default Ubuntu so I can't boot into root terminal. So, how would I gain access to a console before X starts?
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Aug 7, 2010
The system is 13.1. Updated using slackpkg. All other software, with the exception of closed source Vbox, is installed via SB.orgDid a slackpkg update this morning for firefox 3.5.8 and there was also a glib upgrade (likely culprit). Now it seems that most of my software does not work. Did I do the upgrade wrong?
Code:
frank@hdwise:~$ firefox
/usr/lib/firefox-3.6.8/firefox-bin: symbol lookup error: /usr/lib/libgnome-2.so.0: undefined symbol:
[code]....
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Mar 4, 2009
Hi am using winff, as converting video is a mystery to me. I have several avi files well about 26 of them. at about 8gb. now i have to convert them into avi again! so my divx dvd machine can read/play them.
I was wondering if I could compress them so they'd fit onto one dvd?
at present I select the 16:9, would the anamorfic be smaller? would it expand properly on my cheep divx dvd machine? I don't mind using the command line.
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Jul 29, 2010
I switched over from Windows to Linux. I have an external drive that has basically just media files on it. Are there any advantages to converting this to ext3, or should I just leave it as ntfs3?
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Jun 10, 2010
I have enabled IP Forwarding in my linux machine by using the commandsysctl -w net.ipv4.ip_forward=1. But I dont see any difference in routes when I type the route command before and after changing this value.Do you guys have any solution to verify the packet forwarding, but using this single linux machine only? Of course, I verified the net.ipv4.ip_forward=1 value. But I need to verify by transmitting orreceiving packets
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Oct 27, 2010
how well does rpm2tgz work? do the packages converted always work correctly? or is it hit-and-miss like with alien?
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Mar 21, 2010
The laptop I regularly use is out of use after having tried to upgrade from ext3 to ext4, following the instructions that can be found at namely, Step 2: Upgrading to Ext4Well, the first step was done without problems, but when I reached "Mount your filesystem", the problems started:When typingsudo mount -t ext4 /dev/XXXX /mntwhat appears is:UNEXPECTED INCONSISTENCY; RUN fsck MANUALLYStupid me, I did nothin but jump to the next step:gksu gedit /mnt/etc/fstabWhere I only got a fully white screen with no written text at all, instead of the menu that should have appeared, as can be seen on that webpage.
However, after running Gparted again, it showed the extension as EXT4, not EXT3, so I thought the system had automatically upgraded. Then I proceeded to boot the system, and this is where the massive failure appearedAfter seeing the Ubuntu logo for a while, the system directs me to a blank screen with the message:Mount of filesystem failed.dc5123-ec01-4438-8bd6-cb85bb080f87A maintenance shell will now be started.CONTROL-D will terminate this shell and re-try.root@hihihi-laptop:#So I type CTRL-D:
mountall start/startingfsck from until-linux-ng 2.16
/dev/sda1: One or more block group descriptor checksums are invalid. FIXED
/dev/sda1: Group descriptor 0 checksum is invalid
[code]....
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Jun 30, 2010
I've had a password on my 10.04 installation since I installed it (when it was released) and since last week it has disappeared. My computer seems to log in automatically. When I check the login screen settings, it is set to "show the screen for choosing who will log in".
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Nov 16, 2010
I have Ubuntu 10.10 installed at work on my Dell Optiplex 755, which runs perfect. So I decided to install Ubuntu on my home desktop, which so far has been a mistake. Booting up takes almost 5 minutes, after I login it takes about 2 minutes to get to my desktop, typing in any application (even a shell) is horribly lagged, almost to the point where the PC is unusable. I also get extreme lag when executing programs, or just simply clicking a submit button. It will take 2-10 seconds to actually click or execute. The weird part is visual effects extra works perfect and smooth.
CPU: i7 920
Ram 6Gb's
HD1: Veloci Raptor 300Gb 10k RPM
HD2: WD 1.5Tb (Storage)
Video: MSI N250GTS 1Gb
SmartD shows my Raptor healthy, here are the read test speeds.
Min Read Rate 7.6Mb/s
Max Read Rate 128.2 Mb/s
Avg Read Rate: 105.5 Mb/s
Avg Access Time: 8.6ms
Note: The graph has quite a few drop downs (as you can see the minimum is very low). I've also ran badblocks on the drive which came back with 0 errors. Do I need a special driver for my hard drive? I'm attempting to watch a movie on [URL] and it works fine as long as I continually move my mouse, when I stop moving the mouse the video gets jumpy.
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