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0
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1answer
75 views

ZFS + dedup: copy many small files fast

I'm running a ZFS backup server (with deduplication) to backup websites and store them with retention. To do this, I transfer all files to the backup server during the first backup, and make a copy of ...
-1
votes
1answer
12 views

how to append to screen buffer file

If I have multiple log files open in several screens and I want to copy all useful traces to a single file. So I initially copy them to screen scrollback buffer file. Doing ">" after selecting text ...
0
votes
1answer
65 views

innodb buffer pool size and munin

I was looking at the below graph of one of my db server's memory usage and have the following question. Is the mysql innodb buffer pool included in the apps or the cache memory allocation? Right now ...
0
votes
1answer
41 views

Is there a way to save youtube buffer before close browser to reopen it later

Is there some plugin or other software to save the downloaded video buffer to reopen the same buffer downloaded later?
0
votes
0answers
19 views

these videos don't work on my computer but they will on my iPad

recently I took a placement exam for college. I had to study for a placement test and watch videos. I'm not concerned about THOSE VIDEOS right now, but it seems that those videos on my computer work ...
3
votes
2answers
53 views

vim command that will do :buff or :e if the file is not already in the buffer?

basically my workflow is as follows I have a bunch of windows open using splits in a terminal in regular vim. Sometimes I have a file open sometimes I don't I usually switch between :buf and :tag to ...
1
vote
1answer
26 views

Vim: Open multiple files in a specified configuration from command line

I use a set of tabs and splits in my Vim window for my workflow. My setup looks something like this: 1st tab with a vertical split showing two buffers. 2nd tab in the following split: ...
0
votes
0answers
37 views

Cannot navigate backwards in manpages

In manpages I can navigate forwards (using eg. C-d, or C-f), but not backwards: C-b, or C-u do not work. Nor can I search backwards: While I can jump to the next found item using 'n' I cannot jump ...
0
votes
2answers
81 views

Is it possible to undo a :bdelete in Vim?

I've gotten used to Ctrl-Shift-T in Firefox to undo the closing of a tab, is it possible to get similar functionality in Vim? Googling didn't point me towards anything useful for this.
0
votes
1answer
265 views

Why there is no “stop download” context menu option in youtube [closed]

There was a "stop download" option when we right click on videos of youtube. 1. But now there is no such option. And another thing I noticed is 2. After playing full video if we select replay whole ...
0
votes
0answers
34 views

Greplace.vim not loading buffers

I'm attempting to use Greplace for project wide find and replace but am having trouble in the final steps. I start with: :Gsearch mypattern * Which successfully opens a buffer that lists all the ...
5
votes
1answer
206 views

How do I capture the command line output of an already running application?

I have a process which is started by another process, so I cannot see the command line output of the launched process, how can I check the console output anyway? Can I "attach" the command line to a ...
1
vote
1answer
30 views

How do I save from VI to a pipe?

I've seen lots of ways to redirect input from stdin to VI, but I'd like to redirect VI to save to a pipe rather than a file. For example, I'd like to pipe VI's entire pipe buffer to another text ...
1
vote
1answer
93 views

Emacs window management and switching buffers

In emacs I like to have 4 windows open at a time. For example, I frequently have a python interpreter in the first window, my python code I am editing in the second window, mysql in the 3rd window and ...
4
votes
1answer
1k views

Why is gzip slow despite CPU and hard drive performance not being maxed out?

I have some JSON files, 20 GB each, that I want to compress with gzip: gzip file1.json This takes up one full CPU core, all fine. It processes around 25 MB/s (checked in atop), my hard drive can ...
1
vote
2answers
76 views

How to re-load buffers from previous Emacs session *after* you've launched Emacs (e.g. not using on-startup options with Emacs desktops)

In questions like this one about using the Emacs Desktop options to arrange for a saved session to be re-loaded upon startup, it is explained how to reload buffers automatically on startup. But what ...
1
vote
2answers
52 views

Vim opens previously opened buffers

When I start gvim.exe, it starts with the usual vim start window. But there are previous buffers hidden in background. How I can disable this behavior?
1
vote
1answer
1k views

Jumbo Packet vs Transmit Buffers

I want to increase the transfer speed between two network adapters: 1) Atheros AR8152 PCI-E Fast Network Adapter. 2) Marvell Yukon 88E8053 PCI-E Gigabit Ethernet Controller. Marvell has a "Jumbo ...
-1
votes
1answer
49 views

HDD went full while screen recording

I was using CamStudio 2.7, while all af a sudden I got a message from vista stating that my drive is full. I checked my drive and indeed there were only 30MB left(from ~7GB which were before the ...
1
vote
0answers
457 views

ALSA buffer xrun when recording with ffmpeg

Is there any way to increase the ALSA buffer size? When running this command: ffmpeg -f alsa -ac 2 -i hw:1 -ar 44100 -b 64k output.mp3 I get a "ALSA buffer xrun" before my system locks up Input ...
0
votes
0answers
287 views

Fatal SSH buffer errors when connecting to forwarded port on local network

I have two machines, one running Windows and the other running Ubuntu, and an application running on Ubuntu that connects to a server counterpart running either locally or remotely. The server is ...
2
votes
1answer
126 views

Vim - How do I detect that the buffer is loaded in the quickfix window?

Various plugins that I use load their own results into a buffer in the quickfix window. For example, ack.vim loads it's search results there. I would like to turn off various things like spell ...
1
vote
1answer
208 views

What is Root Buffer Overflow?

I understand what buffer overflow is. As the literature says, "A buffer overflow occurs when a fixed-length buffer reaches its capacity and a process attempts to store data above and beyond that ...
0
votes
1answer
364 views

How to completely turn off Address Space Layout Randomization (ASLR) in Ubuntu 12.04?

I am trying to turn off Address Space Layout Randomization (ASLR) in Ubuntu 12.04. What I have done is set randomized_va_space to 0 but still when I am looking at /proc/<process_id>/maps for my ...
2
votes
2answers
2k views

FFMPEG Errors: “max_analyze_duration” “buffer underflow” “packet too large” What to do?

I have an error while just copying a video with ffmpeg. I use the command: ffmpeg -i leon.mpg -vcodec copy -acodec copy leon2.mpg The errors: [mpeg @ 00000000020ebd20] max_analyze_duration 5000000 ...
0
votes
1answer
359 views

Disable wrap/increase width buffer

I have looked at the settings and the ConEmu project wiki but I am not able to find how to turn off wrapping or increase the width buffer so that the text written on the console appears on one single ...
1
vote
1answer
584 views

Vim - save and close buffer in one command

I have a bunch of text files in a directory and I know I'll need to edit each one indiviudaly. I start at the commend line with vim *.txt which opens the files as seperate buffers in vim and ...
1
vote
3answers
189 views

Open new vim buffers in new windows?

I like vim, but I don't like its buffers. Is there any way to launch a separate gvim whenever you would normally open a file in a new buffer? I could probably alias :edit to some other launch command, ...
0
votes
1answer
280 views

pulseaudio: delay app's output by time amount

I have one app where the audio is ahead of the video, so I'd like to delay the audio for half a second. I'm currently redirecting the app's audio to a pulseaudio null module, and then using parec to ...
3
votes
2answers
59 views

Open multiple info buffers in Emacs

Is it possible to open more than one info buffer in Emacs? I used C-h i to open info and started reading the section I was interested in. While reading, I wanted to refer to another info section -- ...
0
votes
2answers
107 views

DDR2 RAM Buffer

I'm trying to figure out what a buffer is in RAM, I'm currently learning about RAM and the different types. Could someone please explain to me the importance and purpose of a buffer in say DDR2 memory ...
0
votes
1answer
82 views

vim: how do I view my history of yanks and deletions?

:buffers displays a list of window buffers, but suppose I dd'd a few lines (this puts them in buffers 1-9) and yanked "[a-z]yy a few others. That's up to 35 buffers I couldn't possibly keep in my ...
3
votes
0answers
2k views

Clarification On Write-Caching Policy, Its Underlying Options And How It Applies To Hard Drives And Solid-State Drives

In last week after doing more research on subject matter, I have been wondering about what I have been neglecting all those years to understand write-caching policy, always leaving it on default ...
1
vote
1answer
785 views

Buffer streams on slow internet connection

I use a very slow internet connection. TV streams (Adobe Flash) are not watchable since they pause every few seconds for buffering. I tried increasing the Flash buffer size (to unlimited) in the ...
2
votes
2answers
345 views

How to get GNU emacs buffers sorted alphabetically?

Somehow, I caused my GNU emacs v23.1.1 list-buffers to be sorted alphabetically through some key sequence or mouse click I typed by error. How can I restore the normal order of buffers listed in ...
4
votes
2answers
3k views

What is the difference between a cache and a buffer?

Is saying a cache is a special kind of buffer correct? They both perform similar functions, but is there some underlying difference that I am missing?
2
votes
1answer
541 views

vim close all buffers but one

How can I close all buffers but one in vim? I'm looking for an :only command, but for buffers. I've had trouble finding this using :help and :helpgrep, does anyone know if this exists? I know you ...
4
votes
2answers
354 views

How to enable and set Event Characters for FTDI drivers?

When sending only few bits of data via FTDI USB-Serial cable to the PC, you have to wait for one of the following conditions to occur before you get your data according to FTDI's AN232B-04, Data ...
0
votes
1answer
90 views

Passing in dialog answers for command-line application on launch

I'm using pianobar for listening to Pandora from my terminal. On each launch it asks for an email & password. I'd like to pass this information automatically when I launch pianobar, so I don't ...
3
votes
2answers
753 views

How to change Totem buffer size?

I've seen some suggestions by using gconf-editor but it doesn't seem to work anymore. The option may have been removed (see). Is there another way to increase Totem buffer size so when I see a ...
4
votes
2answers
697 views

Why can video streaming sites not leverage my 100 MBit LAN-speed?

I am a bit confused about what is slowing down my network and I hope it is correct to ask here and not at "webapps.sx.com", because my issue is not only one with YouTube, but basically many video ...
0
votes
0answers
185 views

Hide initial buffer list in Emacs' iswitchb-mode

How can I configure iswitchb-mode so that it does not display the list of all (matching) buffers until I hit TAB for the first time?
2
votes
1answer
344 views

Is it possible to reset the sequence of indices that vim uses for file buffers?

As I open up new files inside vim, the buffer index seems to skip over arbitrary indices. I switch between buffers using b<buffer-index>, so it helps to have sequential indices for sanity/OCD ...
2
votes
1answer
183 views

bash xterm : how to get command line before typing enter

I try to define a custom behaviour of the backward-kill-word function in bash xterm. For that, I need to catch the command line before validate it. For instances, if I type sdcds/edfdD sdf/sdf without ...
1
vote
3answers
497 views

vim: number of total buffers

in vim, with :buffers I get the number of all buffers the same with :ls , but how I can get the total number of buffers ?
0
votes
1answer
228 views

Emacs: cannot turn on auto-revert-mode by default

There's this emacs minor-mode called "auto-revert-mode" which automatically reverts the file buffer every 5 seconds. In my .emacs file I just have the line (auto-revert-mode 1) and nothing else, but ...
6
votes
1answer
4k views

Is there a way to tell VLC to buffer a file on a remote PC so as to play uninterrupted with the channel's average BW?

Is there a way to tell VLC to buffer a file on a remote PC so as to play uninterrupted with the channel's average bandwidth? I set network latency to high, but I wish there was more I could do.
4
votes
3answers
5k views

Do Solid State Disks (SSDs) have a buffer cache?

All HDDs that I know have at least 8MB or more of buffer cache (I know that it is for increasing read and write performance on Disk Drivers). However, I'm just curious: Do SSDs have any buffer/cache ...
0
votes
2answers
535 views

Enabling Alt+Tab buffer switching like Windows or Firefox in Vim

How do I set up a buffer switch like Alt-Tab on Windows:? It cycles through a list sorted by last access first? So if I pressed Alt+Tab, I'd get the last accessed buffer. If I pressed it again, I ...
-1
votes
1answer
762 views

Buffer I/O error while booting from BackTrack 4.0 live CD using VirtualBox

I am facing a problem while installing BackTrack 4.0 on my VirtualBox installation. After assigning a hard drive and booting from the live CD, I am receiving a error message as follows. Loading, ...