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Old 10-27-2011, 05:51 PM   #1
jthrock
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Registered: Oct 2011
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Installed FTDI and want to get rid of it


Complete Linux noob here. So, I was trying to install this program and it said I needed FTDI, I installed it (not knowing what it was) and now it's screwed up all my connections. I no longer have /dev/ttyUSB0 or /dev/ttyS0. I deleted the entry in fstab that I had added and removed the symbolic links libftd2xx.so in /usr/lib and /usr/local/lib, and I deleted the libftd2xx-0.4.16 file as well, restarted my computer and they are still missing. Any help would be appreciated on how to get those back, thanks.
 
Old 10-27-2011, 06:01 PM   #2
jthrock
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sorry, /dev/ttyS0 is still there, but I'm missing all the /dev/ttyUSB connections
 
Old 10-27-2011, 06:32 PM   #3
jthrock
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I'm pretty desperate here, I just need to get /dev/ttyUSB0 back!
 
Old 10-27-2011, 07:09 PM   #4
thezerodragon
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Distribution: Fedora 12 Constantine
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Quote:
FTDI, I installed it (not knowing what it was)
Can you uninstall it? How did you install it?

Last edited by thezerodragon; 10-27-2011 at 10:13 PM. Reason: typo
 
Old 10-27-2011, 07:13 PM   #5
jthrock
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here's the instructions :

I tried to reverse them, but I still have no /dev/ttyUSB0 and my /dev/ttyS0 is not working correctly any more either

Installation:

1. unzip and untar the file given to a suitable directory

gunzip libftd2xx0.4.12.tar.gz

tar -xvf libftd2xx0.4.12.tar



2. As root user copy the following files to /usr/local/lib

cp libftd2xx.so.0.4.12 /usr/local/lib



3. Change directory to /usr/local/lib

cd /usr/local/lib



4. make symbolic links to these files using the following commands:

ln -s libftd2xx.so.0.4.12 libftd2xx.so



5. Change directory to /usr/lib

cd /usr/lib



6. make symbolic links to these files using the following commands:

ln -s /usr/local/lib/libftd2xx.so.0.4.12 libftd2xx.so



7. Add the following line to /etc/fstab:

none /proc/bus/usb usbdevfs defaults,devmode=0666 0 0

There have been reports that you may need to use the following command for some distros

none /proc/bus/usb usbdevfs defaults,mode=0666 0 0 (use usbfs in 2.6 kernels)



8. Remount all in the fstab file

mount -a
 
Old 10-27-2011, 10:15 PM   #6
thezerodragon
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Seems like you installed manual as opposed using a package manager. As I understand it this makes it more difficult to uninstall.

Quote:
Add the following line to /etc/fstab
You may want to remove these lines.
 
  


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