The Linux Manuals (man pages) document is an important part of Linux documents. Linux Manuals are organized as several sections. Each section has a group of commands for a specific area in Linux usage, administration or development.
NAME systemd-firstboot, systemd-firstboot.service – Initialize basic system settings on or before the first boot-up of a system SYNOPSIS systemd-firstboot [OPTIONS…] systemd-firstboot.service DESCRIPTION systemd-firstboot initializes the most basic system settings interactively on the first boot, or optionally non-interactively when a system image is created. The following settings may be set up: • The system locale, more…
NAME systemd-escape – Escape strings for usage in systemd unit names SYNOPSIS systemd-escape [OPTIONS…] [STRING…] DESCRIPTION systemd-escape may be used to escape strings for inclusion in systemd unit names. The command may be used to escape and to undo escaping of strings. The command takes any number of strings on the command line, and will…
NAME systemd-detect-virt – Detect execution in a virtualized environment SYNOPSIS systemd-detect-virt [OPTIONS…] DESCRIPTION systemd-detect-virt detects execution in a virtualized environment. It identifies the virtualization technology and can distinguish full machine virtualization from container virtualization. systemd-detect-virt exits with a return value of 0 (success) if a virtualization technology is detected, and non-zero (error) otherwise. By default,…
NAME systemd-delta – Find overridden configuration files SYNOPSIS systemd-delta [OPTIONS…] [PREFIX[/SUFFIX]|SUFFIX…] DESCRIPTION systemd-delta may be used to identify and compare configuration files that override other configuration files. Files in /etc/ have highest priority, files in /run/ have the second highest priority, …, files in /usr/lib/ have lowest priority. Files in a directory with higher priority…
NAME systemd-cryptenroll – Enroll PKCS#11, FIDO2, TPM2 token/devices to LUKS2 encrypted volumes SYNOPSIS systemd-cryptenroll [OPTIONS…][DEVICE] DESCRIPTION systemd-cryptenroll is a tool for enrolling hardware security tokens and devices into a LUKS2 encrypted volume, which may then be used to unlock the volume during boot. Specifically, it supports tokens and credentials of the following kind to be…
NAME systemd-coredumpctl – Retrieve coredumps from the journal SYNOPSIS systemd-coredumpctl [OPTIONS…] {COMMAND} [PID|COMM|EXE|MATCH…] DESCRIPTION systemd-coredumpctl may be used to retrieve coredumps from systemd-journald(8). OPTIONS The following options are understood: -h, –help Print a short help text and exit. –version Print a short version string and exit. -F, –field= Print all possible data values the specified…
NAME systemd-cgtop – Show top control groups by their resource usage SYNOPSIS systemd-cgtop [OPTIONS…] [GROUP] DESCRIPTION systemd-cgtop shows the top control groups of the local Linux control group hierarchy, ordered by their CPU, memory, or disk I/O load. The display is refreshed in regular intervals (by default every 1s), similar in style to top(1). If…
NAME systemd-cgls – Recursively show control group contents SYNOPSIS systemd-cgls [OPTIONS…] [CGROUP…] systemd-cgls [OPTIONS…] –unit|–user-unit [UNIT…] DESCRIPTION systemd-cgls recursively shows the contents of the selected Linux control group hierarchy in a tree. If arguments are specified, shows all member processes of the specified control groups plus all their subgroups and their members. The control groups…
NAME systemd-cat – Connect a pipeline or program’s output with the journal SYNOPSIS systemd-cat [OPTIONS…][COMMAND][ARGUMENTS…] systemd-cat [OPTIONS…] DESCRIPTION systemd-cat may be used to connect the standard input and output of a process to the journal, or as a filter tool in a shell pipeline to pass the output the previous pipeline element generates to the…
NAME systemd-bootchart – Boot performance graphing tool DESCRIPTION systemd-bootchart is a tool, usually run at system startup, that collects the CPU load, disk load, memory usage, as well as per-process information from a running system. Collected results are output as an SVG graph. Normally, systemd-bootchart is invoked by the kernel by passing init=/usr/lib/systemd/systemd-bootchart on the…
NAME systemd-ask-password – Query the user for a system password SYNOPSIS systemd-ask-password [OPTIONS…][MESSAGE] DESCRIPTION systemd-ask-password may be used to query a system password or passphrase from the user, using a question message specified on the command line. When run from a TTY it will query a password on the TTY and print it to standard…
NAME systemd-analyze – Analyze and debug system manager SYNOPSIS systemd-analyze [OPTIONS…] [time] systemd-analyze [OPTIONS…] blame systemd-analyze [OPTIONS…] critical-chain [UNIT…] systemd-analyze [OPTIONS…] dump systemd-analyze [OPTIONS…] plot [>file.svg] systemd-analyze [OPTIONS…] dot [PATTERN…] [>file.dot] systemd-analyze [OPTIONS…] unit-paths systemd-analyze [OPTIONS…] exit-status [STATUS…] systemd-analyze [OPTIONS…] capability [CAPABILITY…] systemd-analyze [OPTIONS…] condition CONDITION… systemd-analyze [OPTIONS…] syscall-filter [SET…] systemd-analyze [OPTIONS…] calendar SPEC… systemd-analyze…
NAME systemctl – Control the systemd system and service manager SYNOPSIS systemctl [OPTIONS…] COMMAND [UNIT…] DESCRIPTION systemctl may be used to introspect and control the state of the "systemd" system and service manager. Please refer to systemd(1) for an introduction into the basic concepts and functionality this tool manages. COMMANDS The following commands are understood:…
system.rootdaemonrc, .rootdaemonrc – access control directives for ROOT daemons Locations ROOTDAEMORC, $HOME/.rootdaemonrc /etc/root/system.rootdaemonrc, $ROOTSYS/etc/system.rootdaemonrc Description This manual page documents the format of directives specifying access control directives for ROOT daemons. These directives are read from a text file whose full path is taken from the environment variable ROOTDAEMONRC. If such a variable in undefined, the…
NAME system.rootdaemonrc, .rootdaemonrc – access control directives for ROOT daemons LOCATIONS ROOTDAEMORC, $HOME/.rootdaemonrc /etc/root/system.rootdaemonrc, $ROOTSYS/etc/system.rootdaemonrc DESCRIPTION This manual page documents the format of directives specifying access control directives for ROOT daemons. These directives are read from a text file whose full path is taken from the environment variable ROOTDAEMONRC. If such a variable in undefined,…
NAME system-tools-backends – message dispatcher for system-tools-backends SYNOPSIS system-tools-backends DESCRIPTION System Tools Backends are a set of cross-platform modules for Linux and other Unix systems. The backends provide an common DBus interface to all platforms to modify or read the system configuration in a distro independent fashion. This program is a lightweight DBus message dispatcher….
NAME system-switch-displaymanager – graphical and text mode interface for choosing graphical display manager SYNOPSIS system-switch-displaymanager [display manager name] DESCRIPTION system-switch-displaymanager provides a simple method of choosing between the various display manager available under Fedora, including GDM, KDM, XDM and WDM. If X Windows is running, switchdesk will bring up a dialog box which allows the…
NAME system-setup-keyboard – xorg.conf keyboard layout daemon SYNOPSIS system-setup-keyboard DESCRIPTION system-setup-keyboard is a daemon that monitors /etc/sysconfig/keyboard and writes out an xorg.conf.d snippet based on this file’s contents. Whenever the file is updated, system-setup-keyboard writes out the matching XKB configuration for the selected layout. This configuration applies to all keyboards but may be overwritten by…
NAME system-config-printer – configure a CUPS server SYNOPSIS system-config-printer [[–show-jobs printer] | [–debug] | [–help]] DESCRIPTION system-config-printer configures a CUPS server. It uses the CUPS API (bound to Python with pycups) to do this. The communication with the server is performed using IPP. As a result, it is equally able to configure a remote CUPS server…
NAME system-config-printer-applet – print job manager SYNOPSIS system-config-printer-applet [–help] [–version] [–debug] DESCRIPTION system-config-printer-applet is a print job manager for CUPS. Normally it will display a printer icon in the notification area, greyed out when there are no print jobs for the current user. Clicking on the icon displays a simple print job manager for cancelling…