Archive for the “Linux” Category

Mozilla provides a very nice add-on called “Firefox Sync” (included in FF4). It synchronise bookmarks, history, passwords, etc to a server, of course data will be stored encrypted. There is a nice blog post which provides a link to a tiny weave minimal server implementation. After installation you just can point the sync add-on to Continue reading →

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Again the issue with the Xilinx JTAG cable under Linux. This post is just a reminder… After putting the cable into the USB port, nothing happens. ‘lsusb’ shows the device but the led on the JTAG box doesn’t light up, which means the firmware isn’t loaded. The firmware is provided by Xilinx and it can Continue reading →

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New week, new API. I’m not the person who complains about APIs, but the RDMA API is somehow scary. For a simple “HelloWorld” data transfer program I had to write over 600 lines of code. Just think about that, if everybody has to code 600 lines to get a connection and a remote buffer to Continue reading →

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I started looking into the graphic card programming especially Nvdia CUDA stuff. After getting the SDK compiling under Fedora 12 (so far only possible with compat-gcc) first examples could be tested. It is quite impressive how fast and nice some tests look like. To get somehow familiar with the framework, I wrote a simple memcpy Continue reading →

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Since Fedora 9, the init process is managed by upstart. To get a serial console with a login prompt the old method doesn’t work anymore. The old method is to add the following line into /etc/inittab: s0:3:respawn:/sbin/agetty -L 115200 ttyS0 vt100 This spawns a agetty for the ttyS0 in runlevel 3. The new method is Continue reading →

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Silvio said to me that he gets tons of spam. I couldn’t imagine that only he gets the spam and all of my addresses and domain mail users didn’t get spam. But today I saw the bug in the amavisd.conf. The variable “@local_domains_maps” in the configuration only has my domain. This brings the failure that Continue reading →

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Ok, now the second part of this cypress story. The source which is provided by cypress contains some demo projects, for my test design which should put the board into a peripheral mode, the demo “de2″ is a good starting point. After some browsing through the code I saw that this demo puts SIE1 (Serial Continue reading →

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There are a lot of possibilties to manage the qemu kvm monitor and serial ports. Here is one solution to provide these two ports for a user which only has a chroot home with a small busybox (with microcom). First of all qemu-kvm has to know how the interfaces should be exported. This solution uses Continue reading →

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Starting situation is an installation of Windows XP and Fedora 9 on the hard drive. The goal is to start Windows from Linux with the KVM virtualization solution. First step is to create a second hardware profile inside windows, this is necessary because windows should be bootable from the virtual machine and native hardware. Then Continue reading →

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