Section 8: administration and privileged commands
user_u – Generic unprivileged user – Security Enhanced Linux Policy Description user_u is an SELinux User defined in the SELinux policy. SELinux users have default roles, user_r. The default role has a default type, user_t, associated with it. The SELinux user will usually login to a system with a context that looks like: user_u:user_r:user_t:s0 Linux…
user_screen_selinux – Security Enhanced Linux Policy for the user_screen processes Description Security-Enhanced Linux secures the user_screen processes via flexible mandatory access control. The user_screen processes execute with the user_screen_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…
user_mail_selinux – Security Enhanced Linux Policy for the user_mail processes Description Security-Enhanced Linux secures the user_mail processes via flexible mandatory access control. The user_mail processes execute with the user_mail_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…
user_gkeyringd_selinux – Security Enhanced Linux Policy for the user_gkeyringd processes Description Security-Enhanced Linux secures the user_gkeyringd processes via flexible mandatory access control. The user_gkeyringd processes execute with the user_gkeyringd_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…
user_dbusd_selinux – Security Enhanced Linux Policy for the user_dbusd processes Description Security-Enhanced Linux secures the user_dbusd processes via flexible mandatory access control. The user_dbusd processes execute with the user_dbusd_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…
usbmuxd_selinux – Security Enhanced Linux Policy for the usbmuxd processes Description Security-Enhanced Linux secures the usbmuxd processes via flexible mandatory access control. The usbmuxd processes execute with the usbmuxd_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…
usbmuxd – Expose a socket to multiplex connections from and to iOS devices. Synopsis usbmuxd [OPTIONS] Description usbmuxd stands for "USB multiplexing daemon". This daemon is in charge of multiplexing connections over USB to an iOS device. To users, it means you can sync your music, contacts, photos, etc. over USB. To developers, it means…
usbmodules_selinux – Security Enhanced Linux Policy for the usbmodules processes Description Security-Enhanced Linux secures the usbmodules processes via flexible mandatory access control. The usbmodules processes execute with the usbmodules_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…
usbhid-ups – Driver for USB/HID UPS equipment Note This man page only documents the hardware-specific features of the usbhid-ups driver. For information about the core driver, see nutupsdrv(8). This driver, formerly called newhidups, replaces the legacy hidups driver, which only supported Linux systems. Supported Hardware usbhid-ups brings USB/HID UPS monitoring to NUT on all platform…
usbhid-dump – dump USB HID device report descriptors and streams Synopsis usbhid-dump [OPTION]… Description usbhid-dump uses libusb to dump report descriptors and streams from HID (human interface device) interfaces of USB devices. By default, it dumps HID interfaces of all connected USB devices, but could be limited to a subset of them, or to a…
usbguard-dbus — USBGuard D-Bus interface service Synopsis usbguard-dbus [OPTIONS] Description The usbguard-dbus component exposes a D-Bus interface to a running instance of the usbguard-daemon(8). Options -s, –system Listen on the system bus. -S, –session Listen on the session bus. -h, –help Show the help/usage screen. Bugs If you find a bug in this software or if…
usbguard-daemon — USBGuard daemon Synopsis usbguard-daemon [OPTIONS] Description The usbguard-daemon is the main component of the USBGuard software framework. It runs as a service in the background and enforces the USB device authorization policy for all USB devices. The policy is defined by a set of rules using a rule language described in usbguard-rules.conf(5). The policy…
usb-creator-gtk – Ubuntu startup disk creation tool for Gtk+ Synopsis usb-creator-gtk [ -i | –iso <img> ] [ -h | –help ] [ –version ] Description usb-creator-gtk takes an Ubuntu CD image file as input and writes it out in a usable form to a removable disk. Options -i, –iso <img> Provide a source image to pre- populate the UI….
urlsnarf – sniff HTTP requests in Common Log Format Synopsis urlsnarf [-n] [-i interface | -p pcapfile] [[-v] pattern [expression]] Description urlsnarf outputs all requested URLs sniffed from HTTP traffic in CLF (Common Log Format, used by almost all web servers), suitable for offline post-processing with your favorite web log analysis tool (analog, wwwstat, etc.)….
urfkilld – urfkill Daemon Synopsis urfkilld [–help] Description urfkilld provides the org.freedesktop.URfkill service on the system message bus. Users or administrators should never need to start this daemon as it will be automatically started by dbus-daemon(1) whenever an application calls into the org.freedesktop.URfkill service. Options –help Show help options. Author Written by Gary Ching-Pang Lin…
ureadahead – Read files in advance during boot Synopsis ureadahead [OPTIONS]… [PACK] Description ureadahead (über-readahead) is used during boot to read files in advance of when they are needed such that they are already in the page cache, improving boot performance. When started without any arguments, it checks for the existance and age of the…
upstart-udev-bridge – Bridge between Upstart and udev Synopsis upstart-udev-bridge [OPTIONS]… Description upstart-udev-bridge receives information about kernel uevents that udev(8) has completed and creates init(8) events for them. It emits events which match the pattern "S-device-A" where ‘S’ is the udev subsystem and ‘A’ is one of added, changed or removed, which correspond to the past…
upstart-socket-bridge – Bridge between Upstart and sockets Synopsis upstart-socket-bridge [OPTIONS]… Description The upstart-socket-bridge queries the Upstart init(8) daemon for all job configurations which start on or stop on the socket event. It then waits for an incoming connection on each specified socket(7) and when detected emits the socket event (socket-event (7)), setting a number of…
upstart-local-bridge – Bridge between Upstart and a local client socket connection. Synopsis upstart-local-bridge [OPTIONS]… Description upstart-local-bridge listens on a local domain socket for name=value pairs and creates init(8) events for them. The local unix domain socket can be either named or abstract. Options –any-user By default the bridge will only accept connections from clients running…
upstart-file-bridge – Bridge between Upstart and inotify Synopsis upstart-file-bridge [OPTIONS]… Description upstart-file-bridge receives information about kernel file events that inotify(7) has received and creates init(8) events for them. Supported events exposed to Upstart allow jobs to detect creation, modification and deletion. See file-event(7) for further details. The bridge works by querying the init(8) daemon at…