.List available system images
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# pveam available --section system
-system alpine-3.10-default_20190626_amd64.tar.xz
-system alpine-3.9-default_20190224_amd64.tar.xz
-system archlinux-base_20190924-1_amd64.tar.gz
-system centos-6-default_20191016_amd64.tar.xz
+system alpine-3.12-default_20200823_amd64.tar.xz
+system alpine-3.13-default_20210419_amd64.tar.xz
+system alpine-3.14-default_20210623_amd64.tar.xz
+system archlinux-base_20210420-1_amd64.tar.gz
system centos-7-default_20190926_amd64.tar.xz
-system centos-8-default_20191016_amd64.tar.xz
-system debian-10.0-standard_10.0-1_amd64.tar.gz
-system debian-8.0-standard_8.11-1_amd64.tar.gz
+system centos-8-default_20201210_amd64.tar.xz
system debian-9.0-standard_9.7-1_amd64.tar.gz
-system fedora-30-default_20190718_amd64.tar.xz
-system fedora-31-default_20191029_amd64.tar.xz
-system gentoo-current-default_20190718_amd64.tar.xz
-system opensuse-15.0-default_20180907_amd64.tar.xz
-system opensuse-15.1-default_20190719_amd64.tar.xz
+system debian-10-standard_10.7-1_amd64.tar.gz
+system devuan-3.0-standard_3.0_amd64.tar.gz
+system fedora-33-default_20201115_amd64.tar.xz
+system fedora-34-default_20210427_amd64.tar.xz
+system gentoo-current-default_20200310_amd64.tar.xz
+system opensuse-15.2-default_20200824_amd64.tar.xz
system ubuntu-16.04-standard_16.04.5-1_amd64.tar.gz
system ubuntu-18.04-standard_18.04.1-1_amd64.tar.gz
-system ubuntu-19.04-standard_19.04-1_amd64.tar.gz
-system ubuntu-19.10-standard_19.10-1_amd64.tar.gz
+system ubuntu-20.04-standard_20.04-1_amd64.tar.gz
+system ubuntu-20.10-standard_20.10-1_amd64.tar.gz
+system ubuntu-21.04-standard_21.04-1_amd64.tar.gz
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Before you can use such a template, you need to download them into one of your