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Concerning free software, programming, and whatever else I find interesting. Also the blog for my Web site,
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chironfs and sshfs: "mknod failed accessing..." error

Posted 06-15-2012 at 09:26 PM by hydraMax (Bits and Pixels)
Updated 06-16-2012 at 12:04 PM by hydraMax (update)

I thought I'd post this for posterities sake:

chironfs is a nifty fuse-based file system that duplicates a file hierarchy across multiple paths. (Like a file system version of RAID 1.) However, I found that if I tried to use an sshfs mounted directory as one of the paths, chironfs disables the path with the error "mknod failed accessing <path> Permission denied".

The workaround I found was to pass in the following option to sshfs when mounting the sshfs...
Posted in Uncategorized
Views 831 Comments 0 hydraMax is offline

csvfs-1.2.1: new stable version released

Posted 06-01-2012 at 04:20 PM by hydraMax (Bits and Pixels)

I just released a new stable version of csvfs, a fuse-based file system that mounts data from a CSV file.

csvfs project page

Debian packages are available, and Fedora packages are rolling off the line as I type.

The new version does not yet implement all intended file system operations, but it gets closer. The previous stable version provided a read-only file system, while the current stable version allows editing of individual data fields.
Posted in Uncategorized
Views 725 Comments 0 hydraMax is offline

sharing files with a qemu guest: the easier way

Posted 05-22-2012 at 03:32 PM by hydraMax (Bits and Pixels)

This will not be news to any true qemu guru. But for the rest of us: if you search online for information about how to share files with a qemu guest, you are likely to get pointed to some deep tutorial about setting up a TUN/TAP interface involving multiple configuration files and changes to your system permissions. A simpler approach is the -redir option:

qemu-kvm -hda debian.img -m 512 -redir tcp:5555:22
(The -m option refers to the amount of memory to allocate to...
Posted in Uncategorized
Views 1478 Comments 0 hydraMax is offline

New project: csvfs

Posted 05-17-2012 at 03:27 PM by hydraMax (Bits and Pixels)

I started a new project recently called csvfs. It is FUSE-based file system which can represent the data from a CSV file in a hierarchy of directories and files. This allows you to use standard unix text and file processing tools without going to the trouble of processing the CSV format yourself. It uses libcsv for parsing, so it should be very liberal about the exacting formatting of the CSV file.

Functionality is rudimentary, and the file system is currently read only. But alpha...
Posted in Uncategorized
Views 637 Comments 0 hydraMax is offline

Unofficial RPMs for libcsv

Posted 05-07-2012 at 09:32 PM by hydraMax (Bits and Pixels)

I completed my libcsv RPMs, with 32 bit and 64 bit packages available.
Posted in Uncategorized
Views 8669 Comments 2 hydraMax is offline


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