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Category 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
Deleting messages in mailq
Had all these messages stuck in the mailq and couldn’t figure out how to delete the queued messages. Turns out they were in these locations: /var/spool/postfix/deferred /var/spool/postfix/defer Ubuntu Postfix
Apache paths (default)
Had to look this up multiple times now: access log (sudo): /var/log/apache2/access.log apache2.conf: /etc/apache2/apache2.conf props if figured out what I’m doing
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
Install Node.js MongoDB on Ubuntu
For Ubuntu 12.04 Node.js (v 0.6.12) sudo apt-get install nodejs MongoDB sudo apt-key adv –keyserver hkp://keyserver.ubuntu.com:80 –recv 7F0CEB10 echo ‘deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen’ | sudo tee /etc/apt/sources.list.d/mongodb.list sudo apt-get update sudo apt-get install mongodb-10gen Reference: http://docs.mongodb.org/manual/tutorial/install-mongodb-on-ubuntu/
Cross Compile libcurl
Here are the command I used to cross compile libcurl for ARM processor. I’m assuming you’ve got your cross compile in the PATH already: ./configure –target=arm-linux –host=arm-linux –prefix=/opt/libcurl No SSH support
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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GStreamer: HelloWorld example tip
Cross compiling the gstreamer HelloWorld example for my ARM J5 board, I ran into this warning and the associated error messages. /development/toolchains/arm-2009q1/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.3/../../../../arm-none-linux-gnueabi/bin/ld: warning: libz.so.1, needed by /development/ti-ezsdk_dm814x-evm_5_04_00_11/linux-devkit/arm-none-linux-gnueabi/usr/lib/libgstreamer-0.10.so, not found (try using -rpath or -rpath-link) /development/ti-ezsdk_dm814x-evm_5_04_00_11/linux-devkit/arm-none-linux-gnueabi/usr/lib/libxml2.so: undefined reference to `inflateEnd’ /development/ti-ezsdk_dm814x-evm_5_04_00_11/linux-devkit/arm-none-linux-gnueabi/usr/lib/libxml2.so: … Continue reading
Posted in Linux
Tagged error, gstreamer, helloworld, libz, not found, undefined reference
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PulseAudio: pacmd volume commands
On the TM 814x EVM board (kernel 2.6.37), the TI linux didn’t include the pacmd To get the CLI pacmd, I needed to install the following packages: opkg install pulseaudio-misc pulseaudio-module-cli pulseaudio-module-cli-protocol-unix Maybe some other pacakges too but I forgot. … Continue reading
Posted in Linux
Tagged cli, pacmd, pulseaudio, set-sink-input-mute, set-sink-input-volume, volume
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GDB: Remote target error
I was trying to debug a program on an ARM target and the debugger kept giving me this problem: gdb malformed packet Looking online, this error occurs because of a mismatch between the gdb on the host and the gdbserver … Continue reading