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udevil/README
IgnorantGuru 4ab0a767d4 finalize 0.4.3
2013-12-09 06:58:52 -07:00

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README for udevil v0.4.3
Homepage:
http://ignorantguru.github.io/udevil/
Downloads:
https://github.com/IgnorantGuru/udevil/tree/pkg
Official Forum (for udevil & SpaceFM):
https://sourceforge.net/p/spacefm/discussion/general/
CONTENTS
DESCRIPTION
PACKAGES
INSTALLER
BUILD
BUILD NEXT
CREATE DEB PACKAGE
POST INSTALL
Kernel Polling
Networks and Files
NTFS-3G
Set SUID
systemd Service
ENABLE KERNEL POLLING
UNINSTALL
TRANSLATE
LICENSE
DESCRIPTION
Mounts and unmounts removable devices and networks without a password (set
suid), shows device info, monitors device changes. Emulates mount's and
udisks's command line usage and udisks v1's output. Includes the devmon
automounting daemon.
Run 'udevil --help' for usage. See /etc/udevil/udevil.conf for config.
http://ignorantguru.github.com/udevil/udevil--help.html
http://ignorantguru.github.com/udevil/udevil.conf.txt
PACKAGES
Find or add packages, forum threads, and other info for your distro:
https://github.com/IgnorantGuru/spacefm/wiki/Distros
For other distros:
See INSTALLER below
NOTE: See POST INSTALL section below for post-installation steps.
INSTALLER
A self-extracting installer is available (udevil-x.x.x-installer.sh):
https://github.com/IgnorantGuru/udevil/tree/pkg
(To save a file, click on its filename and click 'View Raw')
The installer requires the build dependencies listed below in BUILD. If
any dependencies are missing, examine the error, install missing packages,
and try again.
The installer MUST be run in a terminal. It automatically builds and
installs. Run it like this:
bash udevil-x.x.x-installer.sh
or to see options:
bash udevil-x.x.x-installer.sh --help
To reinstall or upgrade, just run the latest installer again.
NOTE: See POST INSTALL section below for post-installation steps.
BUILD
1) Install required build dependencies (below are Debian package names -
packages names on your distro may vary but should be similar):
libglib2.0-0 libglib2.0-dev libudev0 (>=143) libudev-dev
autotools-dev build-essential fakeroot intltool pkg-config
Also recommended for network support: cifs-utils curlftpfs sshfs
Also recommended if using devmon: eject spacefm|zenity
configure will report anything missing when you run it as shown below.
2) Use these commands to download the udevil tarball and build:
# Download & Extract
mkdir /tmp/udevil-build && cd /tmp/udevil-build
wget -O udevil.tar.gz https://github.com/IgnorantGuru/udevil/tarball/master
tar xzf udevil.tar.gz
cd IgnorantGuru-udevil-*
# Build & Install
./configure
make
sudo make install
# Remove Temporary Files
cd / && rm -rf /tmp/udevil-build
NOTES:
* If configure reports missing dependencies, install them and run
configure again before proceeding to make.
* By default, systemd configuration files for devmon are installed to:
/etc/conf.d/devmon
/usr/lib/systemd/system/devmon@.service
To skip installation of these files, use configure option
--disable-systemd In either case, systemd is NOT required.
* See POST INSTALL section below for post-installation steps.
BUILD NEXT
The git 'next' branch of udevil is a work in progress which eventually
becomes the next release version. To build from this branch, install the
required build dependencies listed above in BUILD, then:
# Download & Extract
mkdir /tmp/udevil-next && cd /tmp/udevil-next
wget -O udevil-next.tar.gz https://github.com/IgnorantGuru/udevil/tarball/next
tar xzf udevil-next.tar.gz
cd IgnorantGuru-udevil-*
# Build, & Install
./configure
make
sudo make install
# Remove Temporary Files
cd / && rm -rf /tmp/udevil-next
CREATE DEB PACKAGE
To build a deb file of udevil on your Debian-based distro:
1) Install build dependencies (see BUILD section above) plus 'debhelper'.
2) Use these commands to download and extract the udevil tarball (be sure
to USE A TMP BUILD PATH THAT DOES NOT CONTAIN SPACES):
mkdir /tmp/udevil-build && cd /tmp/udevil-build # no spaces in path
# Note: you can change "master" to "next" if you want the next branch:
wget -O udevil.tar.gz https://github.com/IgnorantGuru/udevil/tarball/master
tar xzf udevil.tar.gz
cd IgnorantGuru-udevil-*
3) Move the distros/debian directory into the source directory:
mv distros/debian .
4) Build package: (the package files will appear in the parent directory)
dpkg-buildpackage -b -uc
cd .. && rm -rf IgnorantGuru-udevil-* udevil.tar.gz
5) To install the package you built:
dpkg -i udevil*.deb
POST INSTALL
Kernel Polling
--------------
You may need to enable kernel polling for device media to be detected by
udevil. See ENABLE KERNEL POLLING section below.
Networks and Files
------------------
By default, /etc/udevil/udevil.conf is set to allow only local fileystems
and ISO files to be mounted, with mounting of networks disallowed. To
allow networks and files to be mounted, in /etc/udevil/udevil.conf set:
allowed_types = $KNOWN_FILESYSTEMS, file, cifs, nfs, curlftpfs, sshfs, davfs
You may also need to install curlftpfs or ftpfs (ftp://), cifs or smbfs
(smb://), sshfs (ssh://), and davfs2 (http://).
NTFS-3G
-------
If local ntfs filesystems aren't mounted writable, you may need to
configure your system to mount ntfs with ntfs-3g (on some distros this is
already done). For example:
sudo ln -s /sbin/mount.ntfs-3g /sbin/mount.ntfs
# OR if mount.ntfs-3g is located in /usr/bin:
sudo ln -s /usr/bin/mount.ntfs-3g /usr/bin/mount.ntfs
Set SUID
--------
After installing udevil, /usr/bin/udevil should have the suid bit already
set. If not, set it like this:
sudo chown root:root /usr/bin/udevil
sudo chmod u+s,go-s,ugo+x /usr/bin/udevil
ls -l /usr/bin/udevil
-rwsr-xr-x 1 root root 226625 May 22 08:13 /usr/bin/udevil
OR, to restrict execution of udevil to the 'plugdev' group only:
sudo chown root:plugdev /usr/bin/udevil
sudo chmod u+s,go-s,o-x /usr/bin/udevil
ls -l /usr/bin/udevil
-rwsr-xr-- 1 root plugdev 226625 May 22 08:13 /usr/bin/udevil
OR, if you don't want to use udevil for mounting, you can unset suid:
sudo chown root:root /usr/bin/udevil
sudo chmod ugo-s,ugo+x /usr/bin/udevil
ls -l /usr/bin/udevil
-rwxr-xr-x 1 root root 226625 May 22 08:13 /usr/bin/udevil
You can also limit users and groups by editing /etc/udevil/udevil.conf
systemd Service
---------------
To start devmon as a systemd service:
systemctl start devmon@<user>
ENABLE KERNEL POLLING
You may need to enable kernel polling for device media to be detected by
udevil. For example, if you insert a CD and udevil's monitor command
doesn't report a change to the device, or udevil doesn't see a filesystem
on the device, this is a symptom that kernel polling is not enabled.
Kernel polling is a new feature of the Linux kernel and udev, so most
distros don't yet have it enabled. Even if you are using udisks, enabling
kernel polling is recommended to eliminate the need for udisks to do
userspace polling. Kernel polling also corrects a common issue where the
eject button on a drive won't respond with the newer udev.
To use kernel polling, your Linux kernel may need to be 2.6.38 or newer,
and udev may need to be version 173 or newer.
TO DETERMINE IF KERNEL POLLING IS ENABLED, run these commands:
cat /sys/module/block/parameters/events_dfl_poll_msecs
cat /sys/block/sr0/events_poll_msecs
If you get 0 or -1 from those commands, then it's probably disabled.
TO ENABLE KERNEL POLLING PERMANENTLY (survives a reboot), add this command
to your /etc/rc.local file (anywhere before the 'exit' line in that file):
echo 2000 > /sys/module/block/parameters/events_dfl_poll_msecs
Any number between 2000 and 5000 (milliseconds) should be reasonable - the
higher 5000 means poll every 5 seconds, which is less overhead but a little
slower.
OR you can pass this option to the kernel boot command line in grub:
block.events_dfl_poll_msecs=2000
TO ENABLE KERNEL POLLING TEMPORARILY, enable common polling for the block
module:
sudo bash -c 'echo 2000 > /sys/module/block/parameters/events_dfl_poll_msecs'
OR you can enable polling just for a single device like this (/dev/sr0 in
this example):
sudo bash -c 'echo 2000 > /sys/block/sr0/events_poll_msecs'
The change should be immediate - media will be detected and the eject
button on the drive should work normally again. However, the above changes
will be lost when you reboot.
References:
http://www.mail-archive.com/lfs-dev@linuxfromscratch.org/msg15714.html
http://blogs.gentoo.org/mgorny/2011/06/20/uam-can-now-mount-cds-and-dvds/
https://bugs.archlinux.org/task/25609
UNINSTALL
If you installed from a package, use your package manager to remove udevil.
Otherwise, extract the tarball and enter the directory containing
configure:
# first run configure with your original options if needed:
./configure
sudo make uninstall
# Note: /etc/udevil/ is not automatically removed
TRANSLATE
To help translate udevil please visit:
https://github.com/IgnorantGuru/spacefm/wiki/Translate
At Transifex:
https://www.transifex.com/projects/p/udevil/
Just sign up for a free Transifex account. For instructions visit:
http://help.transifex.com/intro/translating.html#translating
LICENSE
udevil - Copyright (C) 2013 GPL3+
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.
USE AT YOUR OWN RISK. This program is distributed in the hope that it
will be useful, but WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
See COPYING file.
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