Changeset 4d66725
- Timestamp:
- 07/09/2014 12:58:51 PM (10 years ago)
- Branches:
- gnome
- Children:
- c1befba5
- Parents:
- 60b5b0b
- File:
-
- 1 edited
-
general/sysutils/systemd.xml (modified) (1 diff)
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general/sysutils/systemd.xml
r60b5b0b r4d66725 264 264 <sect2 role="content"> 265 265 <title>Contents</title> 266 267 <segmentedlist> 268 <segtitle>Installed programs</segtitle> 269 <segtitle>Installed libraries</segtitle> 270 <segtitle>Installed directories</segtitle> 271 272 <seglistitem> 273 <seg>bootctl, busctl, halt, hostnamectl, init, journalctl, kernel-install, 274 localectl, loginctl, machinectl, poweroff, reboot, runlevel, shutdown, 275 systemctl, systemd-analyze, systemd-ask-password, systemd-cat, systemd-cgls, 276 systemd-cgtop, systemd-coredumpctl, systemd-delta, systemd-detect-virt, 277 systemd-inhibit, systemd-machine-id-setup, systemd-notify, systemd-nspawn, 278 systemd-run, systemd-stdio-bridge, systemd-tmpfiles, systemd-tty-ask-password-agent, 279 telinit, timedatectl, and udevadm</seg> 280 281 <seg>libnss_myhostname.so.2, libsystemd.so, libudev.so</seg> 282 <seg>/etc/binfmt.d, /etc/init.d, /etc/kernel, /etc/modules-load.d, 283 /etc/sysctl.d, /etc/systemd, /etc/tmpfiles.d, /etc/udev, 284 /etc/xdg/systemd, /lib/systemd, /lib/udev, /usr/include/systemd, 285 /usr/lib/binfmt.d, /usr/lib/kernel, /usr/lib/modules-load.d, 286 /usr/lib/sysctl.d, /usr/lib/systemd, /usr/lib/tmpfiles.d, 287 /usr/share/doc/systemd-&systemd-version;, /usr/share/systemd, 288 /var/lib/systemd, /var/log/journal</seg> 289 </seglistitem> 290 </segmentedlist> 291 292 <variablelist> 293 <bridgehead renderas="sect3">Short Descriptions</bridgehead> 294 <?dbfo list-presentation="list"?> 295 <?dbhtml list-presentation="table"?> 296 297 <varlistentry id="bootctl"> 298 <term><command>bootctl</command></term> 299 <listitem> 300 <para>used to query the firmware and boot manager settings.</para> 301 <indexterm zone="systemd bootctl"> 302 <primary sortas="b-bootctl">bootctl</primary> 303 </indexterm> 304 </listitem> 305 </varlistentry> 306 307 <varlistentry id="busctl"> 308 <term><command>busctl</command></term> 309 <listitem> 310 <para>Used to introspect and monitor the D-Bus bus.</para> 311 <indexterm zone="systemd busctl"> 312 <primary sortas="b-busctl">busctl</primary> 313 </indexterm> 314 </listitem> 315 </varlistentry> 316 317 <varlistentry id="halt"> 318 <term><command>halt</command></term> 319 <listitem> 320 <para>Normally invokes <command>shutdown</command> with the 321 <parameter>-h</parameter> option, except when already in run-level 0, 322 then it tells the kernel to halt the system; it notes in the 323 file <filename>/var/log/wtmp</filename> that the system is being 324 brought down.</para> 325 <indexterm zone="systemd halt"> 326 <primary sortas="b-halt">halt</primary> 327 </indexterm> 328 </listitem> 329 </varlistentry> 330 331 <varlistentry id="hostnamectl"> 332 <term><command>hostnamectl</command></term> 333 <listitem> 334 <para>Used to query and change the system hostname and related 335 settings.</para> 336 <indexterm zone="systemd hostnamectl"> 337 <primary sortas="b-hostnamectl">hostnamectl</primary> 338 </indexterm> 339 </listitem> 340 </varlistentry> 341 342 <varlistentry id="init"> 343 <term><command>init</command></term> 344 <listitem> 345 <para>The first process to be started when the kernel has initialized 346 the hardware which takes over the boot process and starts all the 347 proceses it is instructed to.</para> 348 <indexterm zone="systemd init"> 349 <primary sortas="b-init">init</primary> 350 </indexterm> 351 </listitem> 352 </varlistentry> 353 354 <varlistentry id="journalctl"> 355 <term><command>journalctl</command></term> 356 <listitem> 357 <para>Used to query the contents of the systemd Journal.</para> 358 <indexterm zone="systemd journalctl"> 359 <primary sortas="b-journalctl">journalctl</primary> 360 </indexterm> 361 </listitem> 362 </varlistentry> 363 364 <varlistentry id="kernel-install"> 365 <term><command>kernel-install</command></term> 366 <listitem> 367 <para>Used to add and remove kernel and initramfs images to and 368 from /boot.</para> 369 <indexterm zone="systemd kernel-install"> 370 <primary sortas="b-kernel-install">kernel-install</primary> 371 </indexterm> 372 </listitem> 373 </varlistentry> 374 375 <varlistentry id="localectl"> 376 <term><command>localectl</command></term> 377 <listitem> 378 <para>Used to query and change the system locale and keyboard layout 379 settings.</para> 380 <indexterm zone="systemd localectl"> 381 <primary sortas="b-localectl">localectl</primary> 382 </indexterm> 383 </listitem> 384 </varlistentry> 385 386 <varlistentry id="loginctl"> 387 <term><command>loginctl</command></term> 388 <listitem> 389 <para>Used to introspect and control the state of the systemd Login 390 Manager.</para> 391 <indexterm zone="systemd loginctl"> 392 <primary sortas="b-loginctl">loginctl</primary> 393 </indexterm> 394 </listitem> 395 </varlistentry> 396 397 <varlistentry id="machinectl"> 398 <term><command>machinectl</command></term> 399 <listitem> 400 <para>Used to introspect and control the state of the systemd Virtual 401 Machine and Container Registration Manager</para> 402 <indexterm zone="systemd machinectl"> 403 <primary sortas="b-machinectl">machinectl</primary> 404 </indexterm> 405 </listitem> 406 </varlistentry> 407 408 <varlistentry id="poweroff"> 409 <term><command>poweroff</command></term> 410 <listitem> 411 <para>Tells the kernel to halt the system and switch off the computer 412 (see <command>halt</command>).</para> 413 <indexterm zone="systemd poweroff"> 414 <primary sortas="b-poweroff">poweroff</primary> 415 </indexterm> 416 </listitem> 417 </varlistentry> 418 419 <varlistentry id="reboot"> 420 <term><command>reboot</command></term> 421 <listitem> 422 <para>Tells the kernel to reboot the system (see 423 <command>halt</command>).</para> 424 <indexterm zone="systemd reboot"> 425 <primary sortas="b-reboot">reboot</primary> 426 </indexterm> 427 </listitem> 428 </varlistentry> 429 430 <varlistentry id="runlevel"> 431 <term><command>runlevel</command></term> 432 <listitem> 433 <para>Reports the previous and the current run-level, as noted in the 434 last run-level record in <filename>/var/run/utmp</filename>.</para> 435 <indexterm zone="systemd runlevel"> 436 <primary sortas="b-runlevel">runlevel</primary> 437 </indexterm> 438 </listitem> 439 </varlistentry> 440 441 <varlistentry id="shutdown"> 442 <term><command>shutdown</command></term> 443 <listitem> 444 <para>Brings the system down in a secure way, signaling all processes 445 and notifying all logged-in users.</para> 446 <indexterm zone="systemd shutdown"> 447 <primary sortas="b-shutdown">shutdown</primary> 448 </indexterm> 449 </listitem> 450 </varlistentry> 451 452 <varlistentry id="systemctl"> 453 <term><command>systemctl</command></term> 454 <listitem> 455 <para>Used to introspect and control the state of the systemd system and 456 service manager.</para> 457 <indexterm zone="systemd systemctl"> 458 <primary sortas="b-systemctl">systemctl</primary> 459 </indexterm> 460 </listitem> 461 </varlistentry> 462 463 <varlistentry id="systemd-analyze"> 464 <term><command>systemd-analyze</command></term> 465 <listitem> 466 <para>Used to determine system boot-up performance of the current boot. 467 </para> 468 <indexterm zone="systemd systemd-analyze"> 469 <primary sortas="b-systemd-analyze">systemd-analyze</primary> 470 </indexterm> 471 </listitem> 472 </varlistentry> 473 474 <varlistentry id="systemd-ask-password"> 475 <term><command>systemd-ask-password</command></term> 476 <listitem> 477 <para>Used to query a system password or passphrase from the user, using a 478 question message specified on the command line.</para> 479 <indexterm zone="systemd systemd-ask-password"> 480 <primary sortas="b-systemd-ask-password">systemd-ask-password</primary> 481 </indexterm> 482 </listitem> 483 </varlistentry> 484 485 <varlistentry id="systemd-cat"> 486 <term><command>systemd-cat</command></term> 487 <listitem> 488 <para>Used to connect STDOUT and STDERR of a process with the Journal. 489 </para> 490 <indexterm zone="systemd systemd-cat"> 491 <primary sortas="b-systemd-cat">systemd-cat</primary> 492 </indexterm> 493 </listitem> 494 </varlistentry> 495 496 <varlistentry id="systemd-cgls"> 497 <term><command>systemd-cgls</command></term> 498 <listitem> 499 <para>Recursively shows the contents of the selected Linux control group 500 hierarchy in a tree.</para> 501 <indexterm zone="systemd systemd-cgls"> 502 <primary sortas="b-systemd-cgls">systemd-cgls</primary> 503 </indexterm> 504 </listitem> 505 </varlistentry> 506 507 <varlistentry id="systemd-cgtop"> 508 <term><command>systemd-cgtop</command></term> 509 <listitem> 510 <para>Shows the top control groups of the local Linux control group hierarchy, 511 ordered by their CPU, memory and disk I/O load.</para> 512 <indexterm zone="systemd systemd-cgtop"> 513 <primary sortas="b-systemd-cgtop">systemd-cgtop</primary> 514 </indexterm> 515 </listitem> 516 </varlistentry> 517 518 <varlistentry id="systemd-coredumpctl"> 519 <term><command>systemd-coredumpctl</command></term> 520 <listitem> 521 <para>Used to retrieve coredumps from the systemd Journal</para> 522 <indexterm zone="systemd systemd-coredumpctl"> 523 <primary sortas="b-systemd-coredumpctl">systemd-coredumpctl</primary> 524 </indexterm> 525 </listitem> 526 </varlistentry> 527 528 <varlistentry id="systemd-delta"> 529 <term><command>systemd-delta</command></term> 530 <listitem> 531 <para>Used to identify and compare configuration files in 532 <filename class="directory">/etc</filename> that override default 533 counterparts in <filename class="directory">/usr</filename>.</para> 534 <indexterm zone="systemd systemd-delta"> 535 <primary sortas="b-systemd-delta">systemd-delta</primary> 536 </indexterm> 537 </listitem> 538 </varlistentry> 539 540 <varlistentry id="systemd-detect-virt"> 541 <term><command>systemd-detect-virt</command></term> 542 <listitem> 543 <para>Detects execution in a virtualized environment.</para> 544 <indexterm zone="systemd systemd-detect-virt"> 545 <primary sortas="b-systemd-detect-virt">systemd-detect-virt</primary> 546 </indexterm> 547 </listitem> 548 </varlistentry> 549 550 <varlistentry id="systemd-inhibit"> 551 <term><command>systemd-inhibit</command></term> 552 <listitem> 553 <para>Used to execute a program with a shutdown, sleep or idle inhibitor lock 554 taken.</para> 555 <indexterm zone="systemd systemd-inhibit"> 556 <primary sortas="b-systemd-inhibit">systemd-inhibit</primary> 557 </indexterm> 558 </listitem> 559 </varlistentry> 560 561 <varlistentry id="systemd-machine-id-setup"> 562 <term><command>systemd-machine-id-setup</command></term> 563 <listitem> 564 <para>Used by system installer tools to initialize the machine ID stored in 565 <filename>/etc/machine-id</filename> at install time with a randomly 566 generated ID.</para> 567 <indexterm zone="systemd systemd-machine-id-setup"> 568 <primary sortas="b-systemd-machine-id-setup">systemd-machine-id-setup</primary> 569 </indexterm> 570 </listitem> 571 </varlistentry> 572 573 <varlistentry id="systemd-notify"> 574 <term><command>systemd-notify</command></term> 575 <listitem> 576 <para>Used by daemon scripts to notify the init system about status changes. 577 </para> 578 <indexterm zone="systemd systemd-notify"> 579 <primary sortas="b-systemd-notify">systemd-notify</primary> 580 </indexterm> 581 </listitem> 582 </varlistentry> 583 584 <varlistentry id="systemd-nspawn"> 585 <term><command>systemd-nspawn</command></term> 586 <listitem> 587 <para>Used to run a command or OS in a light-weight namespace container.</para> 588 <indexterm zone="systemd systemd-nspawn"> 589 <primary sortas="b-systemd-nspawn">systemd-nspawn</primary> 590 </indexterm> 591 </listitem> 592 </varlistentry> 593 594 <varlistentry id="systemd-run"> 595 <term><command>systemd-run</command></term> 596 <listitem> 597 <para>Used to create and start a transient .service or a .scope unit and 598 run the specified command in it.</para> 599 <indexterm zone="systemd systemd-run"> 600 <primary sortas="b-systemd-run">systemd-run</primary> 601 </indexterm> 602 </listitem> 603 </varlistentry> 604 605 <!-- <varlistentry id="systemd-stdio-bridge"> 606 <term><command>systemd-stdio-bridge</command></term> 607 <listitem> 608 <para>To be completed</para> 609 <indexterm zone="ch-system-systemd systemd-stdio-bridge"> 610 <primary sortas="b-systemd-stdio-bridge">systemd-stdio-bridge</primary> 611 </indexterm> 612 </listitem> 613 </varlistentry> --> 614 615 <varlistentry id="systemd-tmpfiles"> 616 <term><command>systemd-tmpfiles</command></term> 617 <listitem> 618 <para>Creates, deletes and cleans up volatile and temporary files and directories, 619 based on the configuration file format and location specified in 620 <filename class="directory">tmpfiles.d</filename> directories.</para> 621 <indexterm zone="systemd systemd-tmpfiles"> 622 <primary sortas="b-systemd-tmpfiles">systemd-tmpfiles</primary> 623 </indexterm> 624 </listitem> 625 </varlistentry> 626 627 <varlistentry id="systemd-tty-ask-password-agent"> 628 <term><command>systemd-tty-ask-password-agent</command></term> 629 <listitem> 630 <para>Used to list or process pending systemd password requests</para> 631 <indexterm zone="systemd systemd-tty-ask-password-agent"> 632 <primary sortas="b-systemd-tty-ask-password-agent">systemd-tty-ask-password-agent</primary> 633 </indexterm> 634 </listitem> 635 </varlistentry> 636 637 <varlistentry id="telinit"> 638 <term><command>telinit</command></term> 639 <listitem> 640 <para>Tells <command>init</command> which run-level to change to.</para> 641 <indexterm zone="systemd telinit"> 642 <primary sortas="b-telinit">telinit</primary> 643 </indexterm> 644 </listitem> 645 </varlistentry> 646 647 <varlistentry id="timedatectl"> 648 <term><command>timedatectl</command></term> 649 <listitem> 650 <para>Used to query and change the system clock and its settings. 651 </para> 652 <indexterm zone="systemd timedatectl"> 653 <primary sortas="b-timedatectl">timedatectl</primary> 654 </indexterm> 655 </listitem> 656 </varlistentry> 657 658 <varlistentry id="udevadm"> 659 <term><command>udevadm</command></term> 660 <listitem> 661 <para>Generic Udev administration tool: controls the udevd daemon, 662 provides info from the Udev database, monitors uevents, waits for 663 uevents to finish, tests Udev configuration, and triggers uevents 664 for a given device.</para> 665 <indexterm zone="systemd udevadm"> 666 <primary sortas="b-udevadm">udevadm</primary> 667 </indexterm> 668 </listitem> 669 </varlistentry> 670 671 <varlistentry id="libsystemd"> 672 <term><filename class="libraryfile">libsystemd</filename></term> 673 <listitem> 674 <para>systemd utility library.</para> 675 <indexterm zone="systemd libsystemd"> 676 <primary sortas="c-libsystemd">libsystemd</primary> 677 </indexterm> 678 </listitem> 679 </varlistentry> 680 681 <varlistentry id="libudev"> 682 <term><filename class="libraryfile">libudev</filename></term> 683 <listitem> 684 <para>A library to access Udev device information.</para> 685 <indexterm zone="systemd libudev"> 686 <primary sortas="c-libudev">libudev</primary> 687 </indexterm> 688 </listitem> 689 </varlistentry> 690 691 </variablelist> 266 <para> 267 A list of the installed files, along with their short descriptions can be 268 found at <ulink url="http://www.linuxfromscratch.org/lfs/view/&lfs-version;/chapter06/systemd.html#contents-systemd"/>. 269 </para> 692 270 693 271 </sect2>
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