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= Faster boot with host-only initramfs = | |||
Fedora's initramfs, a compressed filesystem packed with the resources required to initialize hardware and boot the system, is getting trimmed. Instead of a large file with all possible requirements, the initramfs will contain only resources required for the hardware that actually exists on the system. The resulting system boots and updates faster. | |||
A fully featured initramfs is kept permanently available if needed, such as after the addition of new hardware. To create a new machine-specific initramfs, select the rescue environment from the boot menu and run the command `dracut --regenerate-all` | |||
= systemd = | = systemd = | ||
Revision as of 03:10, 15 April 2013
This beat is now ready to have Fedora 25 content added by the beat writer
Faster boot with host-only initramfs
Fedora's initramfs, a compressed filesystem packed with the resources required to initialize hardware and boot the system, is getting trimmed. Instead of a large file with all possible requirements, the initramfs will contain only resources required for the hardware that actually exists on the system. The resulting system boots and updates faster.
A fully featured initramfs is kept permanently available if needed, such as after the addition of new hardware. To create a new machine-specific initramfs, select the rescue environment from the boot menu and run the command dracut --regenerate-all
systemd
Modular service configuration with drop-in files
systemd will now look for configuration directives for a service as /etc/sytemd/system/foobar.service.d/*.conf, making site-specific changes easier to deploy and distribute .
graphing the boot process
- systemd-analyze can now use the GraphViz dot tool to generate graphs of the boot process. GraphViz can be installed with yum install graphviz and will create a representation of the full boot process with systemd-analyze dot | dot -Tsvg > systemd.svg More refined plots can be generated with the optional arguments "--order" "--require" "--from-pattern=" and "--to-pattern="
For more details and examples, see man 1 systemd-analyze.
PrivateTmp
Services with a PrivateTmp= directory defined in their configuration make use of a private temporary directory that is shared by all processes of the service. These temporary files are deleted when the service is stopped.