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Proxmox Setup
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| set -euo pipefail | |
| # Reduce backup IO. | |
| sed -i -E 's/^\s*#?\s*(ionice:).*/\1 7/' /etc/vzdump.conf | |
| sed -i -E 's/^\s*#?\s*(bwlimit:).*/\1 32768/' /etc/vzdump.conf | |
| tee /etc/cron.hourly/xfs_fsr <<EOF | |
| #!/bin/sh | |
| xfs_fsr -t 600 | |
| EOF | |
| chmod 755 /etc/cron.hourly/xfs_fsr |
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| # May cause soft lockups on certain systems. | |
| echo 'zram' > /etc/modules-load.d/zram.conf | |
| echo 'options zram num_devices=1' > /etc/modprobe.d/zram.conf | |
| memory_size=$(($(getconf _PHYS_PAGES) * $(getconf PAGE_SIZE))) | |
| swap_size=$((memory_size / 2)) | |
| zramctl --size "${swap_size}" /dev/zram0 | |
| echo "KERNEL==\"zram0\", ATTR{disksize}=\"${swap_size}\" RUN=\"/sbin/mkswap /dev/zram0\", TAG+=\"systemd\"" > /etc/udev/rules.d/99-zram.rules | |
| mkswap /dev/zram0 | |
| grep -q '/dev/zram0' /etc/fstab || echo '/dev/zram0 none swap defaults,pri=10 0 0' >> /etc/fstab | |
| swapon /dev/zram0 |
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