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Michael Prokop 8c3ab6b241 MT#57559 Always include zstd when bootstrapping systems ... During initial deployment of a system, we get warnings about lack of zstd: | Setting up linux-image-6.1.0-13-amd64 (6.1.55-1) ... | I: /vmlinuz.old is now a symlink to boot/vmlinuz-6.1.0-13-amd64 | I: /initrd.img.old is now a symlink to boot/initrd.img-6.1.0-13-amd64 | I: /vmlinuz is now a symlink to boot/vmlinuz-6.1.0-13-amd64 | I: /initrd.img is now a symlink to boot/initrd.img-6.1.0-13-amd64 | /etc/kernel/postinst.d/initramfs-tools: | update-initramfs: Generating /boot/initrd.img-6.1.0-13-amd64 | W: No zstd in /usr/bin:/sbin:/bin, using gzip | [...] The initramfs generation and update overall runs *four* times within the initial bootstrapping of a system (we'll try to do something about this, but this is outside the scope of this). As of initramfs-tools v0.141, initramfs-tools uses zstd as default compression for initramfs. Version 0.142 is shipped with Debian/bookworm, and therefore it makes sense to have it available upfront. Note that also the initrd generation is faster with zstd (~10sec for zstd vs. ~13sec for gzip) and also the resulting initrd is smaller (~33MB for zstd vs ~39MB for gzip). By making sure that zstd is available straight from the very beginning and before ngcp-installer pulls it in later, we can avoid the warning message but also save >10 seconds of install time. Given that zstd is available even in Debian oldoldstable, let's install it unconditionally in all our systems. Thanks: Volodymyr Fedorov for reporting Change-Id: I56674c3c213f7c7a6e6cbce3c8e2e00a4cfbdbd4		1 year ago
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boot	MT#55861 Update Grml ISO + update to Debian/bookworm	3 years ago
scripts	MT#57559 Always include zstd when bootstrapping systems	1 year ago