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Tag Archives: linux
SCALE 15x
Went to the SoCal Linux Expo today. First time attending and it was pretty neat. I went to the Reactor8 guys talks/workshop. Didn’t know anything they were talking about at first but eventually got an idea of their talks. Beginning … Continue reading
Linux: upstart job
Made a newbie mistake on my aws server. Started a node.js server as a user (node server.js &) and didn’t realize that after I logged out the node.js server would go down with it. Once I set the node.js to … Continue reading
Android AVD emulator not starting on Ubuntu
Ran into this error where the Android Emulator API 8 or 10 on Ubuntu 12.04 would not start. It just looks like it’s hanging there. The solution is this: in android-sdk you need to rename the libOpenglRender.so library. cd /path/to/android-sdk-linux/tools/lib … Continue reading
Posted in Android, Linux
Tagged android, avd, emulator, linux, not starting, not working, ubuntu
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Linux: opkg download package and then install
1. I suggest the first way because its better for packages with dependencies. To download package: # opkg –cache /path/to/save/folder –download-only install <package> To install off-line package: # opkg –cache /path/to/save/folder install <package> or Edit in /etc/opkg/opkg.conf (helpful if you … Continue reading
Linux: diff two directory to create patch
diff -b -r -w <DIR1> <DIR2> -N -x ‘*.o’ -x ‘*.cmd’ -x ‘*.builtin’ -x ‘*.order’ > g_ncm.patch The -N option copies into the .patch files that exists in only one of the directory. Option: `-b’ Ignore changes in amount of … Continue reading
Linux: Buildroot
Man, I need Buildroot to only rebuild Qt. No sure how to do that. What I ended up doing was using the emptypackage config, add in the toolchain and then qt. Then have it make from there. Then to change … Continue reading
Linux: Big Endian Little Endian test from command line
If it return 0, it’s Big Endian If it returns 1, it’s Little Endian Reference: http://serverfault.com/questions/163487/linux-how-to-tell-if-system-is-big-endian-or-little-endian
Linux: Meld Diff Viewer
I’ve searched high and low for a usable GUI diff program for Linux. Think I found my answer with Meld Diff Viewer. It’s usable not as nice as WinMerge but easier and cleaner than other Linux ones I’ve tried. Two … Continue reading
Linux Qt: Boxes demo gluPerspective
I was compiling the Linux Qt Demo: Boxes for Qt4.8.1 and ran into these errors. Here’s how I fixed them: /home/mfang/dev/QtSDK/Demos/4.7/boxes/qtbox.cpp:329: error: ‘gluPerspective’ was not declared in this scope In qtbox.cpp and scene.cpp add: #include “GL/glu.h” Explanation: According to the … Continue reading
Posted in Linux, troubleshooting
Tagged boxes, gluperspective, linux, not declared, qt, reference, undefined
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Linux: Finding OpenGL version
Had to look through lots of webpages for this for a pretty simple problem. All you need is this: glxinfo | grep version May need to install: sudo apt-get install mesa-utils Src: http://en.wikibooks.org/wiki/OpenGL_Programming/Installation/Linux