projects / thirdparty / systemd.git / blame
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| 225cb03b | 1 | <?xml version='1.0'?> |
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2 | <?xml-stylesheet type="text/xsl" href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl"?> |
| 3 | <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" | |
| 225cb03b KS |
4 | "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> |
| 5 | ||
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6 | <refentry id="udevadm"> |
| 7 | <refentryinfo> | |
| 225cb03b | 8 | <title>udevadm</title> |
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9 | <productname>systemd</productname> |
| 10 | <authorgroup> | |
| 11 | <author> | |
| 12 | <contrib>Developer</contrib> | |
| 13 | <firstname>Kay</firstname> | |
| 14 | <surname>Sievers</surname> | |
| 15 | <email>kay@vrfy.org</email> | |
| 16 | </author> | |
| 17 | </authorgroup> | |
| 63749b1a | 18 | </refentryinfo> |
| 225cb03b | 19 | |
| 63749b1a KS |
20 | <refmeta> |
| 21 | <refentrytitle>udevadm</refentrytitle> | |
| 22 | <manvolnum>8</manvolnum> | |
| 23 | <refmiscinfo class="version"></refmiscinfo> | |
| 24 | </refmeta> | |
| 225cb03b | 25 | |
| 63749b1a KS |
26 | <refnamediv> |
| 27 | <refname>udevadm</refname><refpurpose>udev management tool</refpurpose> | |
| 28 | </refnamediv> | |
| 225cb03b | 29 | |
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30 | <refsynopsisdiv> |
| 31 | <cmdsynopsis> | |
| 32 | <command>udevadm</command> | |
| 33 | <arg><option>--debug</option></arg> | |
| 34 | <arg><option>--version</option></arg> | |
| 35 | <arg><option>--help</option></arg> | |
| 36 | </cmdsynopsis> | |
| 37 | <cmdsynopsis> | |
| 38 | <command>udevadm info <replaceable>options</replaceable></command> | |
| 39 | </cmdsynopsis> | |
| 40 | <cmdsynopsis> | |
| 41 | <command>udevadm trigger <optional>options</optional></command> | |
| 42 | </cmdsynopsis> | |
| 43 | <cmdsynopsis> | |
| 44 | <command>udevadm settle <optional>options</optional></command> | |
| 45 | </cmdsynopsis> | |
| 46 | <cmdsynopsis> | |
| 47 | <command>udevadm control <replaceable>command</replaceable></command> | |
| 48 | </cmdsynopsis> | |
| 49 | <cmdsynopsis> | |
| 50 | <command>udevadm monitor <optional>options</optional></command> | |
| 51 | </cmdsynopsis> | |
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52 | <cmdsynopsis> |
| 53 | <command>udevadm hwdb <optional>options</optional></command> | |
| 54 | </cmdsynopsis> | |
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55 | <cmdsynopsis> |
| 56 | <command>udevadm test <optional>options</optional> <replaceable>devpath</replaceable></command> | |
| 57 | </cmdsynopsis> | |
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58 | <cmdsynopsis> |
| 59 | <command>udevadm test-builtin <optional>options</optional> <replaceable>command</replaceable> <replaceable>devpath</replaceable></command> | |
| 60 | </cmdsynopsis> | |
| 63749b1a | 61 | </refsynopsisdiv> |
| 225cb03b | 62 | |
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63 | <refsect1><title>Description</title> |
| 64 | <para>udevadm expects a command and command specific options. It | |
| 65 | controls the runtime behavior of udev, requests kernel events, | |
| 66 | manages the event queue, and provides simple debugging mechanisms.</para> | |
| 67 | </refsect1> | |
| 225cb03b | 68 | |
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69 | <refsect1><title>OPTIONS</title> |
| 70 | <variablelist> | |
| 71 | <varlistentry> | |
| 72 | <term><option>--debug</option></term> | |
| 73 | <listitem> | |
| 74 | <para>Print debug messages to stderr.</para> | |
| 75 | </listitem> | |
| 76 | </varlistentry> | |
| 77 | <varlistentry> | |
| 78 | <term><option>--version</option></term> | |
| 79 | <listitem> | |
| 80 | <para>Print version number.</para> | |
| 81 | </listitem> | |
| 82 | </varlistentry> | |
| 83 | <varlistentry> | |
| 84 | <term><option>--help</option></term> | |
| 85 | <listitem> | |
| 86 | <para>Print help text.</para> | |
| 87 | </listitem> | |
| 88 | </varlistentry> | |
| 89 | </variablelist> | |
| 225cb03b | 90 | |
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91 | <refsect2><title>udevadm info <replaceable>options</replaceable></title> |
| 92 | <para>Queries the udev database for device information | |
| 93 | stored in the udev database. It can also query the properties | |
| 94 | of a device from its sysfs representation to help creating udev | |
| 95 | rules that match this device.</para> | |
| 96 | <variablelist> | |
| 97 | <varlistentry> | |
| 98 | <term><option>--query=<replaceable>type</replaceable></option></term> | |
| 99 | <listitem> | |
| 100 | <para>Query the database for specified type of device data. It needs the | |
| 101 | <option>--path</option> or <option>--name</option> to identify the specified | |
| 102 | device. Valid queries are: | |
| 103 | <command>name</command>, <command>symlink</command>, <command>path</command>, | |
| 104 | <command>property</command>, <command>all</command>.</para> | |
| 105 | </listitem> | |
| 106 | </varlistentry> | |
| 107 | <varlistentry> | |
| 108 | <term><option>--path=<replaceable>devpath</replaceable></option></term> | |
| 109 | <listitem> | |
| 110 | <para>The devpath of the device to query.</para> | |
| 111 | </listitem> | |
| 112 | </varlistentry> | |
| 113 | <varlistentry> | |
| 114 | <term><option>--name=<replaceable>file</replaceable></option></term> | |
| 115 | <listitem> | |
| 116 | <para>The name of the device node or a symlink to query</para> | |
| 117 | </listitem> | |
| 118 | </varlistentry> | |
| 119 | <varlistentry> | |
| 120 | <term><option>--root</option></term> | |
| 121 | <listitem> | |
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122 | <para>Print absolute paths in <command>name</command> or <command>symlink</command> |
| 123 | query.</para> | |
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124 | </listitem> |
| 125 | </varlistentry> | |
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126 | <varlistentry> |
| 127 | <term><option>--attribute-walk</option></term> | |
| 128 | <listitem> | |
| 129 | <para>Print all sysfs properties of the specified device that can be used | |
| 130 | in udev rules to match the specified device. It prints all devices | |
| 131 | along the chain, up to the root of sysfs that can be used in udev rules.</para> | |
| 132 | </listitem> | |
| 133 | </varlistentry> | |
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134 | <varlistentry> |
| 135 | <term><option>--export</option></term> | |
| 136 | <listitem> | |
| 137 | <para>Print output as key/value pairs. Values are enclosed in single quotes.</para> | |
| 138 | </listitem> | |
| 139 | </varlistentry> | |
| 140 | <varlistentry> | |
| 141 | <term><option>--export-prefix=<replaceable>name</replaceable></option></term> | |
| 142 | <listitem> | |
| 143 | <para>Add a prefix to the key name of exported values.</para> | |
| 144 | </listitem> | |
| 145 | </varlistentry> | |
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146 | <varlistentry> |
| 147 | <term><option>--device-id-of-file=<replaceable>file</replaceable></option></term> | |
| 148 | <listitem> | |
| 149 | <para>Print major/minor numbers of the underlying device, where the file | |
| 150 | lives on.</para> | |
| 151 | </listitem> | |
| 152 | </varlistentry> | |
| 153 | <varlistentry> | |
| 154 | <term><option>--export-db</option></term> | |
| 155 | <listitem> | |
| 156 | <para>Export the content of the udev database.</para> | |
| 157 | </listitem> | |
| 158 | </varlistentry> | |
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159 | <varlistentry> |
| 160 | <term><option>--cleanup-db</option></term> | |
| 161 | <listitem> | |
| 162 | <para>Cleanup the udev database.</para> | |
| 163 | </listitem> | |
| 164 | </varlistentry> | |
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165 | <varlistentry> |
| 166 | <term><option>--version</option></term> | |
| 167 | <listitem> | |
| 168 | <para>Print version.</para> | |
| 169 | </listitem> | |
| 170 | </varlistentry> | |
| 171 | <varlistentry> | |
| 172 | <term><option>--help</option></term> | |
| 173 | <listitem> | |
| 174 | <para>Print help text.</para> | |
| 175 | </listitem> | |
| 176 | </varlistentry> | |
| 177 | </variablelist> | |
| 178 | </refsect2> | |
| 225cb03b | 179 | |
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180 | <refsect2><title>udevadm trigger <optional>options</optional></title> |
| 181 | <para>Request device events from the kernel. Primarily used to replay events at system coldplug time.</para> | |
| 182 | <variablelist> | |
| 183 | <varlistentry> | |
| 184 | <term><option>--verbose</option></term> | |
| 185 | <listitem> | |
| 186 | <para>Print the list of devices which will be triggered.</para> | |
| 187 | </listitem> | |
| 188 | </varlistentry> | |
| 189 | <varlistentry> | |
| 190 | <term><option>--dry-run</option></term> | |
| 191 | <listitem> | |
| 192 | <para>Do not actually trigger the event.</para> | |
| 193 | </listitem> | |
| 194 | </varlistentry> | |
| 195 | <varlistentry> | |
| 196 | <term><option>--type=<replaceable>type</replaceable></option></term> | |
| 197 | <listitem> | |
| 198 | <para>Trigger a specific type of devices. Valid types are: | |
| 864fde8a | 199 | <command>devices</command>, <command>subsystems</command>. |
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200 | The default value is <command>devices</command>.</para> |
| 201 | </listitem> | |
| 202 | </varlistentry> | |
| 203 | <varlistentry> | |
| 204 | <term><option>--action=<replaceable>action</replaceable></option></term> | |
| 205 | <listitem> | |
| 206 | <para>Type of event to be triggered. The default value is <command>change</command>.</para> | |
| 207 | </listitem> | |
| 208 | </varlistentry> | |
| 209 | <varlistentry> | |
| 210 | <term><option>--subsystem-match=<replaceable>subsystem</replaceable></option></term> | |
| 211 | <listitem> | |
| 212 | <para>Trigger events for devices which belong to a matching subsystem. This option | |
| 213 | can be specified multiple times and supports shell style pattern matching.</para> | |
| 214 | </listitem> | |
| 215 | </varlistentry> | |
| 216 | <varlistentry> | |
| 217 | <term><option>--subsystem-nomatch=<replaceable>subsystem</replaceable></option></term> | |
| 218 | <listitem> | |
| 219 | <para>Do not trigger events for devices which belong to a matching subsystem. This option | |
| 220 | can be specified multiple times and supports shell style pattern matching.</para> | |
| 221 | </listitem> | |
| 222 | </varlistentry> | |
| 223 | <varlistentry> | |
| 224 | <term><option>--attr-match=<replaceable>attribute</replaceable>=<replaceable>value</replaceable></option></term> | |
| 225 | <listitem> | |
| 226 | <para>Trigger events for devices with a matching sysfs attribute. If a value is specified | |
| 227 | along with the attribute name, the content of the attribute is matched against the given | |
| 228 | value using shell style pattern matching. If no value is specified, the existence of the | |
| 229 | sysfs attribute is checked. This option can be specified multiple times.</para> | |
| 230 | </listitem> | |
| 231 | </varlistentry> | |
| 232 | <varlistentry> | |
| 233 | <term><option>--attr-nomatch=<replaceable>attribute</replaceable>=<replaceable>value</replaceable></option></term> | |
| 234 | <listitem> | |
| 235 | <para>Do not trigger events for devices with a matching sysfs attribute. If a value is | |
| 236 | specified along with the attribute name, the content of the attribute is matched against | |
| 237 | the given value using shell style pattern matching. If no value is specified, the existence | |
| 238 | of the sysfs attribute is checked. This option can be specified multiple times.</para> | |
| 239 | </listitem> | |
| 240 | </varlistentry> | |
| 241 | <varlistentry> | |
| 242 | <term><option>--property-match=<replaceable>property</replaceable>=<replaceable>value</replaceable></option></term> | |
| 243 | <listitem> | |
| 244 | <para>Trigger events for devices with a matching property value. This option can be | |
| 245 | specified multiple times and supports shell style pattern matching.</para> | |
| 246 | </listitem> | |
| 247 | </varlistentry> | |
| 248 | <varlistentry> | |
| 249 | <term><option>--tag-match=<replaceable>property</replaceable></option></term> | |
| 250 | <listitem> | |
| 251 | <para>Trigger events for devices with a matching tag. This option can be | |
| 252 | specified multiple times.</para> | |
| 253 | </listitem> | |
| 254 | </varlistentry> | |
| 255 | <varlistentry> | |
| 256 | <term><option>--sysname-match=<replaceable>name</replaceable></option></term> | |
| 257 | <listitem> | |
| 258 | <para>Trigger events for devices with a matching sys device name. This option can be | |
| 259 | specified multiple times and supports shell style pattern matching.</para> | |
| 260 | </listitem> | |
| 261 | </varlistentry> | |
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262 | <varlistentry> |
| 263 | <term><option>--parent-match=<replaceable>syspath</replaceable></option></term> | |
| 264 | <listitem> | |
| 265 | <para>Trigger events for all children of a given device.</para> | |
| 266 | </listitem> | |
| 267 | </varlistentry> | |
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268 | </variablelist> |
| 269 | </refsect2> | |
| 225cb03b | 270 | |
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271 | <refsect2><title>udevadm settle <optional>options</optional></title> |
| 272 | <para>Watches the udev event queue, and exits if all current events are handled.</para> | |
| 273 | <variablelist> | |
| 274 | <varlistentry> | |
| 275 | <term><option>--timeout=<replaceable>seconds</replaceable></option></term> | |
| 276 | <listitem> | |
| 277 | <para>Maximum number of seconds to wait for the event queue to become empty. | |
| d2f4a346 | 278 | The default value is 120 seconds. A value of 0 will check if the queue is empty |
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279 | and always return immediately.</para> |
| 280 | </listitem> | |
| 281 | </varlistentry> | |
| 282 | <varlistentry> | |
| 283 | <term><option>--seq-start=<replaceable>seqnum</replaceable></option></term> | |
| 284 | <listitem> | |
| 285 | <para>Wait only for events after the given sequence number.</para> | |
| 286 | </listitem> | |
| 287 | </varlistentry> | |
| 288 | <varlistentry> | |
| 289 | <term><option>--seq-end=<replaceable>seqnum</replaceable></option></term> | |
| 290 | <listitem> | |
| 291 | <para>Wait only for events before the given sequence number.</para> | |
| 292 | </listitem> | |
| 293 | </varlistentry> | |
| 294 | <varlistentry> | |
| 295 | <term><option>--exit-if-exists=<replaceable>file</replaceable></option></term> | |
| 296 | <listitem> | |
| 297 | <para>Stop waiting if file exists.</para> | |
| 298 | </listitem> | |
| 299 | </varlistentry> | |
| 300 | <varlistentry> | |
| 301 | <term><option>--quiet</option></term> | |
| 302 | <listitem> | |
| 303 | <para>Do not print any output, like the remaining queue entries when reaching the timeout.</para> | |
| 304 | </listitem> | |
| 305 | </varlistentry> | |
| 306 | <varlistentry> | |
| 307 | <term><option>--help</option></term> | |
| 308 | <listitem> | |
| 309 | <para>Print help text.</para> | |
| 310 | </listitem> | |
| 311 | </varlistentry> | |
| 312 | </variablelist> | |
| 313 | </refsect2> | |
| 225cb03b | 314 | |
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315 | <refsect2><title>udevadm control <replaceable>command</replaceable></title> |
| 316 | <para>Modify the internal state of the running udev daemon.</para> | |
| 317 | <variablelist> | |
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318 | <varlistentry> |
| 319 | <term><option>--exit</option></term> | |
| 320 | <listitem> | |
| f13b388f | 321 | <para>Signal and wait for systemd-udevd to exit.</para> |
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322 | </listitem> |
| 323 | </varlistentry> | |
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324 | <varlistentry> |
| 325 | <term><option>--log-priority=<replaceable>value</replaceable></option></term> | |
| 326 | <listitem> | |
| f13b388f | 327 | <para>Set the internal log level of systemd-udevd. Valid values are the numerical |
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328 | syslog priorities or their textual representations: <option>err</option>, |
| 329 | <option>info</option> and <option>debug</option>.</para> | |
| 330 | </listitem> | |
| 331 | </varlistentry> | |
| 332 | <varlistentry> | |
| 333 | <term><option>--stop-exec-queue</option></term> | |
| 334 | <listitem> | |
| f13b388f | 335 | <para>Signal systemd-udevd to stop executing new events. Incoming events |
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336 | will be queued.</para> |
| 337 | </listitem> | |
| 338 | </varlistentry> | |
| 339 | <varlistentry> | |
| 340 | <term><option>--start-exec-queue</option></term> | |
| 341 | <listitem> | |
| f13b388f | 342 | <para>Signal systemd-udevd to enable the execution of events.</para> |
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343 | </listitem> |
| 344 | </varlistentry> | |
| 345 | <varlistentry> | |
| 7c85d636 | 346 | <term><option>--reload</option></term> |
| 63749b1a | 347 | <listitem> |
| f13b388f | 348 | <para>Signal systemd-udevd to reload the rules files and other databases like the kernel |
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349 | module index. Reloading rules and databases does not apply any changes to already |
| 350 | existing devices; the new configuration will only be applied to new events.</para> | |
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351 | </listitem> |
| 352 | </varlistentry> | |
| 353 | <varlistentry> | |
| 354 | <term><option>--property=<replaceable>KEY</replaceable>=<replaceable>value</replaceable></option></term> | |
| 355 | <listitem> | |
| 356 | <para>Set a global property for all events.</para> | |
| 357 | </listitem> | |
| 358 | </varlistentry> | |
| 359 | <varlistentry> | |
| 87d55ff6 | 360 | <term><option>--children-max=</option><replaceable>value</replaceable></term> |
| 63749b1a | 361 | <listitem> |
| f13b388f | 362 | <para>Set the maximum number of events, systemd-udevd will handle at the |
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363 | same time.</para> |
| 364 | </listitem> | |
| 365 | </varlistentry> | |
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366 | <varlistentry> |
| 367 | <term><option>--timeout=</option><replaceable>seconds</replaceable></term> | |
| 368 | <listitem> | |
| 7e505069 | 369 | <para>The maximum number of seconds to wait for a reply from systemd-udevd.</para> |
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370 | </listitem> |
| 371 | </varlistentry> | |
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372 | <varlistentry> |
| 373 | <term><option>--help</option></term> | |
| 374 | <listitem> | |
| 375 | <para>Print help text.</para> | |
| 376 | </listitem> | |
| 377 | </varlistentry> | |
| 378 | </variablelist> | |
| 379 | </refsect2> | |
| 225cb03b | 380 | |
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381 | <refsect2><title>udevadm monitor <optional>options</optional></title> |
| 382 | <para>Listens to the kernel uevents and events sent out by a udev rule | |
| 383 | and prints the devpath of the event to the console. It can be used to analyze the | |
| 384 | event timing, by comparing the timestamps of the kernel uevent and the udev event. | |
| 385 | </para> | |
| 386 | <variablelist> | |
| 387 | <varlistentry> | |
| 388 | <term><option>--kernel</option></term> | |
| 389 | <listitem> | |
| 390 | <para>Print the kernel uevents.</para> | |
| 391 | </listitem> | |
| 392 | </varlistentry> | |
| 393 | <varlistentry> | |
| 394 | <term><option>--udev</option></term> | |
| 395 | <listitem> | |
| 396 | <para>Print the udev event after the rule processing.</para> | |
| 397 | </listitem> | |
| 398 | </varlistentry> | |
| 399 | <varlistentry> | |
| 400 | <term><option>--property</option></term> | |
| 401 | <listitem> | |
| 402 | <para>Also print the properties of the event.</para> | |
| 403 | </listitem> | |
| 404 | </varlistentry> | |
| 405 | <varlistentry> | |
| 406 | <term><option>--subsystem-match=<replaceable>string[/string]</replaceable></option></term> | |
| 407 | <listitem> | |
| 408 | <para>Filter events by subsystem[/devtype]. Only udev events with a matching subsystem value will pass.</para> | |
| 409 | </listitem> | |
| 410 | </varlistentry> | |
| 411 | <varlistentry> | |
| 412 | <term><option>--tag-match=<replaceable>string</replaceable></option></term> | |
| 413 | <listitem> | |
| 414 | <para>Filter events by property. Only udev events with a given tag attached will pass.</para> | |
| 415 | </listitem> | |
| 416 | </varlistentry> | |
| 417 | <varlistentry> | |
| 418 | <term><option>--help</option></term> | |
| 419 | <listitem> | |
| 420 | <para>Print help text.</para> | |
| 421 | </listitem> | |
| 422 | </varlistentry> | |
| 423 | </variablelist> | |
| 424 | </refsect2> | |
| 225cb03b | 425 | |
| 1ada30ac | 426 | <refsect2><title>udevadm hwdb <optional>options</optional></title> |
| 1e1954f5 | 427 | <para>Maintain the hardware database index in <filename>/etc/udev/hwdb.bin</filename>.</para> |
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428 | <variablelist> |
| 429 | <varlistentry> | |
| 430 | <term><option>--update</option></term> | |
| 431 | <listitem> | |
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432 | <para>Compile the hardware database information located in /usr/lib/udev/hwdb.d/, |
| 433 | /etc/udev/hwdb.d/ and store it in <filename>/etc/udev/hwdb.bin</filename>. This should be done after | |
| 434 | any update to the source files; it will not be called automatically. The running | |
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435 | udev daemon will detect a new database on its own and does not need to be |
| 436 | notified about it.</para> | |
| 437 | </listitem> | |
| 438 | </varlistentry> | |
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439 | <varlistentry> |
| 440 | <term><option>--test=<replaceable>string</replaceable></option></term> | |
| 441 | <listitem> | |
| 442 | <para>Query the database with a modalias string, and print the | |
| 443 | retrieved properties.</para> | |
| 444 | </listitem> | |
| 445 | </varlistentry> | |
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446 | <varlistentry> |
| 447 | <term><option>--root=<replaceable>string</replaceable></option></term> | |
| 448 | <listitem> | |
| 449 | <para>Alternative root path in the filesystem for reading and writing files.</para> | |
| 450 | </listitem> | |
| 451 | </varlistentry> | |
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452 | </variablelist> |
| 453 | </refsect2> | |
| 454 | ||
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455 | <refsect2><title>udevadm test <optional>options</optional> <replaceable>devpath</replaceable></title> |
| 456 | <para>Simulate a udev event run for the given device, and print debug output.</para> | |
| 457 | <variablelist> | |
| 458 | <varlistentry> | |
| 459 | <term><option>--action=<replaceable>string</replaceable></option></term> | |
| 460 | <listitem> | |
| 461 | <para>The action string.</para> | |
| 462 | </listitem> | |
| 463 | </varlistentry> | |
| 464 | <varlistentry> | |
| 465 | <term><option>--subsystem=<replaceable>string</replaceable></option></term> | |
| 466 | <listitem> | |
| 467 | <para>The subsystem string.</para> | |
| 468 | </listitem> | |
| 469 | </varlistentry> | |
| 470 | <varlistentry> | |
| 471 | <term><option>--help</option></term> | |
| 472 | <listitem> | |
| 473 | <para>Print help text.</para> | |
| 474 | </listitem> | |
| 475 | </varlistentry> | |
| 476 | </variablelist> | |
| 477 | </refsect2> | |
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478 | |
| 479 | <refsect2><title>udevadm test-builtin <optional>options</optional> <replaceable>command</replaceable> <replaceable>devpath</replaceable></title> | |
| 480 | <para>Run a built-in command for the given device, and print debug output.</para> | |
| 481 | <variablelist> | |
| 482 | <varlistentry> | |
| 483 | <term><option>--help</option></term> | |
| 484 | <listitem> | |
| 485 | <para>Print help text.</para> | |
| 486 | </listitem> | |
| 487 | </varlistentry> | |
| 488 | </variablelist> | |
| 489 | </refsect2> | |
| 63749b1a | 490 | </refsect1> |
| 225cb03b | 491 | |
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492 | <refsect1> |
| 493 | <title>See Also</title> | |
| 494 | <para><citerefentry> | |
| 495 | <refentrytitle>udev</refentrytitle><manvolnum>7</manvolnum> | |
| 496 | </citerefentry> | |
| 497 | <citerefentry> | |
| b79f817b | 498 | <refentrytitle>systemd-udevd.service</refentrytitle><manvolnum>8</manvolnum> |
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499 | </citerefentry></para> |
| 500 | </refsect1> | |
| 501 | </refentry> |