Hi all, after I performed a minor RHEL package upgrade (8.7 -> 8.7) in one of our Ceph hosts, I get a Ceph warning describing that cephadm "Can't communicate with remote host `...`, possibly because python3 is not installed there: [Errno 12] Cannot allocate memory, although Python3 is installed. However, I figured out that these packages were updated: Installing: kernel 4.18.0-425.19.2.el8_7 kernel-core 4.18.0-425.19.2.el8_7 kernel-modules 4.18.0-425.19.2.el8_7 Upgrading: NetworkManager 1:1.40.0-6.el8_7 NetworkManager-config-server 1:1.40.0-6.el8_7 NetworkManager-initscripts-updown 1:1.40.0-6.el8_7 NetworkManager-libnm 1:1.40.0-6.el8_7 NetworkManager-team 1:1.40.0-6.el8_7 NetworkManager-tui 1:1.40.0-6.el8_7 authselect 1.2.5-2.el8_7 authselect-compat 1.2.5-2.el8_7 authselect-libs 1.2.5-2.el8_7 bpftool 4.18.0-425.19.2.el8_7 buildah 1:1.27.3-1.module+el8.7.0+17824+66a0202b cockpit-podman 53-1.module+el8.7.0+17824+66a0202b conmon 3:2.1.4-1.module+el8.7.0+17824+66a0202b container-selinux 2:2.189.0-1.module+el8.7.0+17824+66a0202b containernetworking-plugins 1:1.1.1-3.module+el8.7.0+17824+66a0202b containers-common 2:1-46.module+el8.7.0+17824+66a0202b criu 3.15-3.module+el8.7.0+17824+66a0202b curl 7.61.1-25.el8_7.3 dbus 1:1.12.8-23.el8_7.1 dbus-common 1:1.12.8-23.el8_7.1 dbus-daemon 1:1.12.8-23.el8_7.1 dbus-libs 1:1.12.8-23.el8_7.1 dbus-tools 1:1.12.8-23.el8_7.1 device-mapper-multipath 0.8.4-28.el8_7.3 device-mapper-multipath-libs 0.8.4-28.el8_7.3 dhcp-client 12:4.3.6-48.el8_7.1 dhcp-common 12:4.3.6-48.el8_7.1 dhcp-libs 12:4.3.6-48.el8_7.1 dracut 049-218.git20221019.el8_7 dracut-config-rescue 049-218.git20221019.el8_7 dracut-network 049-218.git20221019.el8_7 dracut-squash 049-218.git20221019.el8_7 emacs-filesystem 1:26.1-7.el8_7.1 epel-release 8-19.el8 expat 2.2.5-10.el8_7.1 fuse-overlayfs 1.9-1.module+el8.7.0+17824+66a0202b gnutls 3.6.16-6.el8_7 grub2-common 1:2.02-142.el8_7.3 grub2-pc 1:2.02-142.el8_7.3 grub2-pc-modules 1:2.02-142.el8_7.3 grub2-tools 1:2.02-142.el8_7.3 grub2-tools-efi 1:2.02-142.el8_7.3 grub2-tools-extra 1:2.02-142.el8_7.3 grub2-tools-minimal 1:2.02-142.el8_7.3 insights-client 3.1.7-9.el8_7 iptables 1.8.4-23.el8_7.1 iptables-ebtables 1.8.4-23.el8_7.1 iptables-libs 1.8.4-23.el8_7.1 iwl100-firmware 39.31.5.1-111.el8_7.1 iwl1000-firmware 1:39.31.5.1-111.el8_7.1 iwl105-firmware 18.168.6.1-111.el8_7.1 iwl135-firmware 18.168.6.1-111.el8_7.1 iwl2000-firmware 18.168.6.1-111.el8_7.1 iwl2030-firmware 18.168.6.1-111.el8_7.1 iwl3160-firmware 1:25.30.13.0-111.el8_7.1 iwl5000-firmware 8.83.5.1_1-111.el8_7.1 iwl5150-firmware 8.24.2.2-111.el8_7.1 iwl6000-firmware 9.221.4.1-111.el8_7.1 iwl6000g2a-firmware 18.168.6.1-111.el8_7.1 iwl6000g2b-firmware 18.168.6.1-111.el8_7.1 iwl6050-firmware 41.28.5.1-111.el8_7.1 iwl7260-firmware 1:25.30.13.0-111.el8_7.1 kernel-tools 4.18.0-425.19.2.el8_7 kernel-tools-libs 4.18.0-425.19.2.el8_7 kmod-kvdo 6.2.7.17-88.el8_7 kpartx 0.8.4-28.el8_7.3 libblkid 2.32.1-39.el8_7 libcurl 7.61.1-25.el8_7.3 libertas-usb8388-firmware 2:20220726-111.git150864a4.el8_7 libfdisk 2.32.1-39.el8_7 libgcc 8.5.0-16.el8_7 libgomp 8.5.0-16.el8_7 libipa_hbac 2.7.3-4.el8_7.3 libksba 1.3.5-9.el8_7 libmount 2.32.1-39.el8_7 libnfsidmap 1:2.3.3-57.el8_7.1 libslirp 4.4.0-1.module+el8.7.0+17824+66a0202b libsmartcols 2.32.1-39.el8_7 libsmbclient 4.16.4-6.el8_7 libsolv 0.7.20-4.el8_7 libsss_autofs 2.7.3-4.el8_7.3 libsss_certmap 2.7.3-4.el8_7.3 libsss_idmap 2.7.3-4.el8_7.3 libsss_nss_idmap 2.7.3-4.el8_7.3 libsss_sudo 2.7.3-4.el8_7.3 libstdc++ 8.5.0-16.el8_7 libtasn1 4.13-4.el8_7 libuuid 2.32.1-39.el8_7 libwbclient 4.16.4-6.el8_7 libxml2 2.9.7-15.el8_7.1 linux-firmware 20220726-111.git150864a4.el8_7 nss 3.79.0-11.el8_7 nss-softokn 3.79.0-11.el8_7 nss-softokn-freebl 3.79.0-11.el8_7 nss-sysinit 3.79.0-11.el8_7 nss-util 3.79.0-11.el8_7 openssh 8.0p1-17.el8_7 openssh-clients 8.0p1-17.el8_7 openssh-server 8.0p1-17.el8_7 openssl 1:1.1.1k-9.el8_7 openssl-libs 1:1.1.1k-9.el8_7 platform-python 3.6.8-48.el8_7.1 platform-python-setuptools 39.2.0-6.el8_7.1 podman 3:4.2.0-8.module+el8.7.0+17824+66a0202b podman-catatonit 3:4.2.0-8.module+el8.7.0+17824+66a0202b python3-libs 3.6.8-48.el8_7.1 python3-libxml2 2.9.7-15.el8_7.1 python3-perf 4.18.0-425.19.2.el8_7 python3-setuptools 39.2.0-6.el8_7.1 python3-setuptools-wheel 39.2.0-6.el8_7.1 python3-sssdconfig 2.7.3-4.el8_7.3 rhc 1:0.2.1-12.el8_7 rsync 3.1.3-19.el8_7.1 runc 1:1.1.4-1.module+el8.7.0+17824+66a0202b samba-client-libs 4.16.4-6.el8_7 samba-common 4.16.4-6.el8_7 samba-common-libs 4.16.4-6.el8_7 selinux-policy 3.14.3-108.el8_7.2 selinux-policy-targeted 3.14.3-108.el8_7.2 slirp4netns 1.2.0-2.module+el8.7.0+17824+66a0202b sos 4.5.1-3.el8 sqlite 3.26.0-17.el8_7 sqlite-libs 3.26.0-17.el8_7 sssd 2.7.3-4.el8_7.3 sssd-ad 2.7.3-4.el8_7.3 sssd-client 2.7.3-4.el8_7.3 sssd-common 2.7.3-4.el8_7.3 sssd-common-pac 2.7.3-4.el8_7.3 sssd-ipa 2.7.3-4.el8_7.3 sssd-kcm 2.7.3-4.el8_7.3 sssd-krb5 2.7.3-4.el8_7.3 sssd-krb5-common 2.7.3-4.el8_7.3 sssd-ldap 2.7.3-4.el8_7.3 sssd-nfs-idmap 2.7.3-4.el8_7.3 sssd-proxy 2.7.3-4.el8_7.3 sudo 1.8.29-8.el8_7.1 systemd 239-68.el8_7.4 systemd-libs 239-68.el8_7.4 systemd-pam 239-68.el8_7.4 systemd-udev 239-68.el8_7.4 tar 2:1.30-6.el8_7.1 tzdata 2023c-1.el8 util-linux 2.32.1-39.el8_7 util-linux-user 2.32.1-39.el8_7 zlib 1.2.11-21.el8_7 Is something odd with the updated Python3 packages? Best, Mevludin