I agree with Iskren, there is probably no need to add a udev rule in this case. Adding the user to the dialout group is simpler.
Just one thing, with usermod you can use the "-a" (--append) option to achieve the same result as with gpasswd:
usermod -a -G dialout freeswitch

Of course udev is can still be used if you want to create permanent symlinks for usb modems or something like that.

On 11 January 2014 18:54, Iskren Hadzhinedev <iskren.hadzhinedev@ikiji.com> wrote:

Hello Nandy,

While this will work you should not alter udev's default permissions.

A cleaner and better solution would be to add the user "freeswitch" to the group "dialout" with the command "gpasswd -a freeswitch dialout" or with

"usermod -G dialout freeswitch", the `gpasswd' command being prefferable because with usermod you're supposed to list all additional groups that you want the user freeswitch to be a member of.

 

Cheers,

--

Iskren Hadzhinedev

System Administrator

 

The Idea Factory | 20 Mearns Street | Aberdeen | AB11 5AT | UK

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On Sunday 12 January 2014 01:04:11 Nandy Dagondon wrote:

> Hi to all!

>

> mod_gsmopen doesn't load on CentOS x64. USB device permission denied:

> crw-crw---- 1 root dialout /dev/ttyUSB*

>

> To solve this problem, I found this solution somewhere - adding udev this

> more relax rule:

> KERNEL=="ttyUSB[0-9]*,NAME="ttyUSB%n",SYMLINK="%k",GROUP="dialout",MODE="066

> 6"

>

> Lately, I tried this - making Freeswitch own the device:

> KERNEL=="ttyUSB[0-9]*,NAME="ttyUSB%n",SYMLINK="%k",OWNER="freeswitch",GROUP=

> "dialout",MODE="0660"

>

> I'd like to add this on the Wiki unless there's a better solution. Please

> advise.

>

> /Nandy

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