358 lines
12 KiB
Plaintext
358 lines
12 KiB
Plaintext
README for udevil v0.3.4
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For updates and instructions visit:
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http://ignorantguru.github.com/udevil/
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http://ignorantguru.github.com/udevil/news.html
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CONTENTS
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DESCRIPTION
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PACKAGES
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INSTALLER
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BUILD
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BUILD NEXT
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CREATE DEB PACKAGE
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POST INSTALL
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Kernel Polling
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Networks and Files
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NTFS-3G
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Set SUID
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systemd Service
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ENABLE KERNEL POLLING
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UNINSTALL
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TRANSLATIONS
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LICENSE
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DESCRIPTION
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Mounts and unmounts removable devices and networks without a password (set
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suid), shows device info, monitors device changes. Emulates mount's and
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udisks's command line usage and udisks v1's output. Includes the devmon
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automounting daemon.
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Run 'udevil --help' for usage. See /etc/udevil/udevil.conf for config.
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http://ignorantguru.github.com/udevil/udevil--help.html
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http://ignorantguru.github.com/udevil/udevil.conf.txt
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PACKAGES
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antiX-12 base & full includes udevil:
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http://sourceforge.net/projects/antix-linux/
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Arch Linux's [community] repository includes udevil (i686 and x86_64).
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Also, the AUR includes udevil-git, which is the next version of udevil
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as a work in progress:
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https://aur.archlinux.org/packages.php?ID=59463
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Debian-based deb packages are provided in Downloads:
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(to save a file, click on its filename and click 'View Raw'):
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https://github.com/IgnorantGuru/udevil/tree/master/packages
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and are also available in the author's PPA:
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http://igurublog.wordpress.com/downloads/ppa/
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These convenience deb packages contain the source code and will build
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and install udevil automatically on most Debian-based distros.
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$TMPDIR (usually /tmp) must NOT be mounted noexec for the installation.
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Or see CREATE DEB PACKAGE below to easily build a binary package.
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For signatures and SHA256 sums see
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http://ignorantguru.github.com/udevil/udevil.SHA256.txt
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Gentoo's portage tree includes udevil:
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http://packages.gentoo.org/package/sys-apps/udevil
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Parted Magic includes SpaceFM with udevil as its default file manager:
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http://partedmagic.com/doku.php
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Slackware's SlackBuilds.org includes udevil:
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http://slackbuilds.org/system/udevil/
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Other: See INSTALLER below
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NOTE: See POST INSTALL section below for post-installation steps.
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INSTALLER
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A self-extracting installer is available (udevil-x.x.x-installer.sh):
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https://github.com/IgnorantGuru/udevil/tree/master/packages
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(To save a file, click on its filename and click 'View Raw')
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The installer requires the build dependencies listed below in BUILD. If
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any dependencies are missing, examine the error, install missing packages,
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and try again.
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The installer MUST be run in a terminal. It automatically builds and
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installs. Run it like this:
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bash udevil-x.x.x-installer.sh
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or to see options:
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bash udevil-x.x.x-installer.sh --help
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To reinstall or upgrade, just run the latest installer again.
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NOTE: See POST INSTALL section below for post-installation steps.
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BUILD
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1) Install required build dependencies (below are Debian package names -
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packages names on your distro may vary but should be similar):
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libglib2.0-0 libglib2.0-dev libudev0 (>=143) libudev-dev
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autotools-dev build-essential fakeroot intltool pkg-config
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Also recommended for network support: cifs-utils curlftpfs sshfs
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Also recommended if using devmon: eject spacefm|zenity
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configure will report anything missing when you run it as shown below.
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2) Use these commands to download the udevil tarball and build:
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# Download & Extract
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mkdir /tmp/udevil-build && cd /tmp/udevil-build
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wget -O udevil.tar.gz https://github.com/IgnorantGuru/udevil/tarball/master
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tar xzf udevil.tar.gz
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cd IgnorantGuru-udevil-*
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# Build & Install
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./configure
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make
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sudo make install
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# Remove Temporary Files
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cd / && rm -rf /tmp/udevil-build
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NOTES:
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* If configure reports missing dependencies, install them and run
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configure again before proceeding to make.
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* By default, systemd configuration files for devmon are installed to:
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/etc/conf.d/devmon
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/usr/lib/systemd/system/devmon@.service
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To skip installation of these files, use configure option
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--disable-systemd In either case, systemd is NOT required.
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* See POST INSTALL section below for post-installation steps.
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BUILD NEXT
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The git 'next' branch of udevil is a work in progress which eventually
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becomes the next release version. To build from this branch, install the
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required build dependencies listed above in BUILD, then:
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# Download & Extract
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mkdir /tmp/udevil-next && cd /tmp/udevil-next
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wget -O udevil-next.tar.gz https://github.com/IgnorantGuru/udevil/tarball/next
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tar xzf udevil-next.tar.gz
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cd IgnorantGuru-udevil-*
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# Build, & Install
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./autogen.sh # pass desired configure options (if any) here to autogen.sh
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make
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sudo make install
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# Remove Temporary Files
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cd / && rm -rf /tmp/udevil-next
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CREATE DEB PACKAGE
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To build a deb file of udevil on your Debian-based distro:
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1) Install build dependencies (see BUILD section above) plus 'debhelper'.
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2) Use these commands to download and extract the udevil tarball (be sure
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to USE A TMP BUILD PATH THAT DOES NOT CONTAIN SPACES):
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mkdir /tmp/udevil-build && cd /tmp/udevil-build # no spaces in path
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# Note: you can change "master" to "next" if you want the next branch:
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wget -O udevil.tar.gz https://github.com/IgnorantGuru/udevil/tarball/master
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tar xzf udevil.tar.gz
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cd IgnorantGuru-udevil-*
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3) Build package: (the package files will appear in the parent directory)
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dpkg-buildpackage -b -uc
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cd .. && rm -rf IgnorantGuru-udevil-* udevil.tar.gz
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4) To install the package you built:
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dpkg -i udevil*.deb
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POST INSTALL
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Kernel Polling
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--------------
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You may need to enable kernel polling for device media to be detected by
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udevil. See ENABLE KERNEL POLLING section below.
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Networks and Files
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------------------
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By default, /etc/udevil/udevil.conf is set to allow only local fileystems
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to be mounted, with mounting of networks and ISO files disallowed. To
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allow networks and files to be mounted, in /etc/udevil/udevil.conf set:
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allowed_types = $KNOWN_FILESYSTEMS, file, cifs, nfs, curlftpfs, sshfs
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You may also need to install curlftpfs or ftpfs (ftp://), cifs or smbfs
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(smb://), and sshfs (ssh://).
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NTFS-3G
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-------
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If local ntfs filesystems aren't mounted writable, you may need to
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configure your system to mount ntfs with ntfs-3g (on some distros this is
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already done). For example:
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sudo ln -s /sbin/mount.ntfs-3g /sbin/mount.ntfs
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# OR if mount.ntfs-3g is located in /usr/bin:
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sudo ln -s /usr/bin/mount.ntfs-3g /usr/bin/mount.ntfs
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Set SUID
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--------
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After installing udevil, /usr/bin/udevil should have the suid bit already
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set. If not, set it like this:
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sudo chown root:root /usr/bin/udevil
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sudo chmod u+s,go-s,ugo+x /usr/bin/udevil
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ls -l /usr/bin/udevil
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-rwsr-xr-x 1 root root 226625 May 22 08:13 /usr/bin/udevil
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OR, to restrict execution of udevil to the 'plugdev' group only:
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sudo chown root:plugdev /usr/bin/udevil
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sudo chmod u+s,go-s,o-x /usr/bin/udevil
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ls -l /usr/bin/udevil
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-rwsr-xr-- 1 root plugdev 226625 May 22 08:13 /usr/bin/udevil
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OR, if you don't want to use udevil for mounting, you can unset suid:
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sudo chown root:root /usr/bin/udevil
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sudo chmod ugo-s,ugo+x /usr/bin/udevil
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ls -l /usr/bin/udevil
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-rwxr-xr-x 1 root root 226625 May 22 08:13 /usr/bin/udevil
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You can also limit users and groups by editing /etc/udevil/udevil.conf
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systemd Service
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---------------
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To start devmon as a systemd service:
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systemctl start devmon@<user>
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ENABLE KERNEL POLLING
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You may need to enable kernel polling for device media to be detected by
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udevil. For example, if you insert a CD and udevil's monitor command
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doesn't report a change to the device, or udevil doesn't see a filesystem
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on the device, this is a symptom that kernel polling is not enabled.
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Kernel polling is a new feature of the Linux kernel and udev, so most
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distros don't yet have it enabled. Even if you are using udisks, enabling
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kernel polling is recommended to eliminate the need for udisks to do
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userspace polling. Kernel polling also corrects a common issue where the
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eject button on a drive won't respond with the newer udev.
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To use kernel polling, your Linux kernel needs to be 2.6.38 or newer, and
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udev must be version 173 or newer.
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TO DETERIME IF KERNEL POLLING IS ENABLED, run these commands:
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cat /sys/module/block/parameters/events_dfl_poll_msecs
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cat /sys/block/sr0/events_poll_msecs
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If you get 0 or -1 from those commands, then it's probably disabled.
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TO ENABLE KERNEL POLLING PERMANENTLY (survives a reboot), add this command
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to your /etc/rc.local file (anywhere before the 'exit' line in that file):
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echo 2000 > /sys/module/block/parameters/events_dfl_poll_msecs
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Any number between 2000 and 5000 (milliseconds) should be reasonable - the
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higher 5000 means poll every 5 seconds, which is less overhead but a little
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slower.
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OR you can pass this option to the kernel boot command line in grub:
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block.events_dfl_poll_msecs=2000
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TO ENABLE KERNEL POLLING TEMPORARILY, enable common polling for the block
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module:
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sudo bash -c 'echo 2000 > /sys/module/block/parameters/events_dfl_poll_msecs'
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OR you can enable polling just for a single device like this (/dev/sr0 in
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this example):
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sudo bash -c 'echo 2000 > /sys/block/sr0/events_poll_msecs'
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The change should be immediate - media will be detected and the eject
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button on the drive should work normally again. However, the above changes
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will be lost when you reboot.
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References:
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http://www.mail-archive.com/lfs-dev@linuxfromscratch.org/msg15714.html
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http://blogs.gentoo.org/mgorny/2011/06/20/uam-can-now-mount-cds-and-dvds/
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https://bugs.archlinux.org/task/25609
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UNINSTALL
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If you installed from a package, use your package manager to remove udevil.
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Otherwise, extract the tarball and enter the directory containing
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configure:
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# first run configure with your original options if needed:
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./configure
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sudo make uninstall
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# Note: /etc/udevil/ is not automatically removed
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TRANSLATIONS
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Adding or updating a translation of udevil doesn't require any special
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tools, just a text editor. For instructions, see the TRANSLATE file.
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LICENSE
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udevil - Copyright (C) 2012 GPL3+
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 3 of the License, or (at your
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option) any later version.
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USE AT YOUR OWN RISK. This program is distributed in the hope that it
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will be useful, but WITHOUT ANY WARRANTY; without even the implied
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warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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See COPYING file.
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