Notes by woolf

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Created by woolf on December 11, 2011 13:38:58    Last update: December 11, 2011 13:38:58
Install usb.essentials . Package usbutils is optional. # opkg update # opkg install kmod-usb2 # opk... Install usb printer support: # opkg install kmod-usb-printer Install p910nd print server: # opkg install p910nd Edit /etc/config/p910nd : config p910nd option device /dev... Configure firewall to allow port 9100 ( /etc/config/firewall ): # Allow printer con... If clients are connecting from wan then the first line should be: option src wan Enable automatic start of print server when router boots: #/etc/init.d/p910nd enable Restart router: # reboot
Created by woolf on June 18, 2011 21:21:56    Last update: June 18, 2011 21:34:56
I haven't test these. They are collected for reference only. With mencoder, from HOWTO: Convert and write AVCHD (.mts) to DVD with Linux mencoder -oac copy -ovc lavc -of mpeg -mpegopts fo... With HandBrake (GUI): Transcoding AVHD (Cannon HF100 .mts) into a usable open format (MKV w/ FFMPEG) With ffmpeg & WinFF (GUI and command line): How to convert Canon .mts video files to other formats in Ubuntu With mencoder, from Transcoding AVCHD (.mts or .m2ts) files using mencoder on Linux (no deinterlacing): # 1 pass mencoder $file -o ./$file.avi -oac cop... With ffmpeg, from Stuttering playback of canon MTS files #!/bin/bash for i in "$i"*.MTS; do name="${i%.*... #!/bin/bash for i in "$i"*.MTS; do name="${i%.*... With mencoder, from [MEncoder-users] problems with AVCHD (.mts) + Deinterlace...
Created by woolf on May 20, 2011 14:00:35    Last update: May 20, 2011 14:01:36
To remove new line characters from a file: with tr : tr -d '\n' < the-file.txt or cat the-file.txt | tr -d '\n' with sed : sed ':a;N;$!ba;s/\n//g' the-file.txt or cat the-file.txt | sed ':a;N;$!ba;s/\n//g' The sed version is a bunch of commands to manipulate the register etc. Regex replace " s/\n//g " does not work because sed regex works on a single line. More tips from this Linux blog: http://linux.dsplabs.com.au/rmnl-remove-new-line-characters-tr-awk-perl-sed-c-cpp-bash-python-xargs-ghc-ghci-haskell-sam-ssam-p65/
Created by woolf on May 20, 2011 13:46:04    Last update: May 20, 2011 13:46:04
The Unix utility can convert a binary stream to hex and reverse it. The -p (or -ps ) switch means "plain", or "postscript" mode. $ cat >test.txt Line one Line two Line th...
Created by woolf on May 15, 2011 14:35:58    Last update: May 15, 2011 14:36:47
Assign IP adrress and network mask: sudo ifconfig eth0 192.168.183.5 netmask 255.255.2... Add default gateway: sudo route add default gw 192.168.183.2 Add name server: " sudo vi /etc/resolv.conf " and add: nameserver 192.168.183.2
Created by woolf on February 10, 2011 13:25:20    Last update: February 10, 2011 13:25:20
If Command Extensions are enabled (which is enabled by default), then there are several dynamic environment variables that can be expanded but which don't show up in the list of variables displayed by SET . These variable values are computed dynamically each time the value of the variable is expanded (but see example below). If the user explicitly defines a variable with one of these names, then that definition will override the dynamic one described below: %CD% - expands to the current directory string. %DATE% - expands to current date using same format as DATE command. %TIME% - expands to current time using same format as TIME command. %RANDOM% - expands to a random decimal number between 0 and 32767. %ERRORLEVEL% - expands to the...
Created by woolf on February 10, 2011 12:51:14    Last update: February 10, 2011 13:06:11
Windows command line shell does not come with a sleep command. One trick is to emulate sleep using the ping command: C:\>ping /? Usage: ping [-t] [-a] [-n count... To sleep for about 5 seconds: @rem make sure to ping a non-existing IP, otherwis... If you have the Windows Resource Kit installed, it does provide a sleep command: C:\>sleep Usage: sleep time-to-sleep-in-s...
Created by woolf on October 22, 2010 02:53:32    Last update: October 22, 2010 03:18:12
The easiest way to shutdown Windows XP with a shortcut is to create a shortcut icon on the desktop (or the Start menu, or the Quick Launch menu) and assign a shortcut key combination. Useful command line commands: Shutdown : shutdown -s -t 0 Restart : shutdown -r -t 0 Log off : shutdown -l -t 0 Hibernate : rundll32.exe PowrProf.dll, SetSuspendState Hibernate Command line options for shutdown : C:\> shutdown /? Usage: shutdown [-i | -l | -s ...
Created by woolf on December 28, 2009 00:11:20    Last update: January 15, 2010 04:01:46
From http://www.videohelp.com/tools/MJPEG_Tools : A sample command line to deinterlace dv footage, give a slight film look, pass it through a Spatial-Pre-Filter, Temporal-Noise-Filter, and a Spatial-Post-Filter, then encode to DVD complient mpeg2 video looks like this - lav2yuv capture.dv | yuvdeinterlace -f | yuvdenois... From http://www.linux.com/archive/feature/40069 , the actual video file can be used in place of edit list (eli) file: # de-noice the video and scale for DVD output l...
Created by woolf on January 15, 2009 05:05:19    Last update: January 19, 2009 05:07:49
MinGW is "Minimalist GNU for Windows" - a collection of freely available and freely distributable Windows specific header files and import libraries that allows you to build Windows native executables with GCC. MSYS is a minimal system that provides a POSIX compatible shell and utilities so that you can run the normal set of GNU build tools (such as configure, make). You can download MinGW and MSYS from sourceforge.net: http://sourceforge.net/project/showfiles.php?group_id=2435 . The set of files is overwhelming and installation is confusing sometimes. But here's what I did in order to build ffmpeg on Windows XP: Download "Automated MinGW Installer" (MinGW 5.1.4) Install MinGW 5.1.4. Select "Candidate". Check g++, but leave other options unchecked Finish installation of MinGW Install MSYS DTK 1.0 in C:\msys\1.0. Download "MSYS...