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| − | [[wikipedia:systemd|systemd]] is a Linux initialization system and service manager introduced in | + | [[wikipedia:systemd|systemd]] is a Linux initialization system and service manager introduced in 2010 and adopted by default in [[RHEL 7.0]] (2014), that includes features like: |
* On-demand starting of daemons | * On-demand starting of daemons | ||
| − | * Inhibitor | + | * Inhibitor Locks which allows to block or delay system sleep and shutdown requests from the user <ref>https://www.freedesktop.org/wiki/Software/systemd/inhibit/</ref><ref>http://manpages.ubuntu.com/manpages/bionic/man1/systemd-inhibit.1.html</ref> |
| − | * Mount and automount point maintenance (<code>[[systemd-mount]]</code><ref>https://www.freedesktop.org/software/systemd/man/systemd.mount.html</ref>, <code> | + | * Mount and automount point maintenance (<code>[[systemd-mount]]</code><ref>https://www.freedesktop.org/software/systemd/man/systemd.mount.html</ref>, <code>systemd-umount</code> ) |
* Snapshot support | * Snapshot support | ||
* [[ps|Processes]] tracking using Linux control groups (<code>[[systemd-cgls]]</code><code>[[systemd-cgtop]]</code>) | * [[ps|Processes]] tracking using Linux control groups (<code>[[systemd-cgls]]</code><code>[[systemd-cgtop]]</code>) | ||
* Logging daemon, see <code>[[journalctl]]</code> and <code>[[systemd-cat]]</code> | * Logging daemon, see <code>[[journalctl]]</code> and <code>[[systemd-cat]]</code> | ||
| − | * [[ | + | * [[resource management]] |
| − | + | Config files: | |
| − | * <code> | + | * <code>/etc/systemd/[[logind.conf]]</code> |
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* [[systemd-logind]]: <code>[[loginctl]]</code> | * [[systemd-logind]]: <code>[[loginctl]]</code> | ||
* [[systemd-networkd]]: <code>[[networkctl]]</code>, [[netplan]] | * [[systemd-networkd]]: <code>[[networkctl]]</code>, [[netplan]] | ||
| − | * | + | * systemd-timesyncd |
* systemd-resolved: [[systemd-resolve]], <code>[[hostnamectl]]</code> | * systemd-resolved: [[systemd-resolve]], <code>[[hostnamectl]]</code> | ||
* systemd-udevd | * systemd-udevd | ||
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| − | <code> | + | <code>/lib/systemd/systemd-fsck</code> |
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== Activities == | == Activities == | ||
* Read systemd for Administrators: http://0pointer.de/blog/projects/resources.html | * Read systemd for Administrators: http://0pointer.de/blog/projects/resources.html | ||
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== See also == | == See also == | ||
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* {{cron}} | * {{cron}} | ||
* [[elogind]] | * [[elogind]] | ||
| + | * [[/run/]] | ||
* {{init}} | * {{init}} | ||
[[Category:Linux]] | [[Category:Linux]] | ||
[[Category:systemd]] | [[Category:systemd]] | ||
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