Use custom config and SecureBlue whenever possible

Signed-off-by: Tommy <contact@tommytran.io>

UTM-Chrony.ign

@@ -79,27 +79,15 @@
         }
       },
       {
-        "path": "/etc/modprobe.d/30_security-misc.conf",
+        "path": "/etc/modprobe.d/server-blacklist.conf",
         "contents": {
-          "source": "https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf"
+          "source": "https://raw.githubusercontent.com/secureblue/secureblue/live/config/files/usr/etc/modprobe.d/blacklist.conf"
         }
       },
       {
-        "path": "/etc/sysctl.d/990-security-misc.conf",
+        "path": "/etc/sysctl.d/99-server.conf",
         "contents": {
-          "source": "https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/990-security-misc.conf"
+          "source": "https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/sysctl.d/99-server.conf"
-        }
-      },
-      {
-        "path": "/etc/sysctl.d/30_silent-kernel-printk.conf",
-        "contents": {
-          "source": "https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_silent-kernel-printk.conf"
-        }
-      },
-      {
-        "path": "/etc/sysctl.d/30_security-misc_kexec-disable.conf",
-        "contents": {
-          "source": "https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_security-misc_kexec-disable.conf"
         }
       },
       {
@@ -208,7 +196,7 @@
   "systemd": {
     "units": [
       {
-        "contents": "[Unit]\nDescription=Initial System Setup\n# We run after `systemd-machine-id-commit.service` to ensure that\n# `ConditionFirstBoot=true` services won't rerun on the next boot.\nAfter=systemd-machine-id-commit.service\nAfter=network-online.target\n# We run before `zincati.service` to avoid conflicting rpm-ostree\n# transactions.\nBefore=zincati.service\nConditionPathExists=!/var/lib/%N.stamp\n\n[Service]\nType=oneshot\nRemainAfterExit=yes\nExecStart=/usr/sbin/restorecon -R /var\nExecStart=/usr/sbin/setsebool -P container_use_cephfs off\nExecStart=/usr/sbin/setsebool -P virt_use_nfs off\nExecStart=/usr/sbin/setsebool -P virt_use_samba off\nExecStart=/usr/bin/rpm-ostree install firewalld qemu-guest-agent tuned unbound\nExecStart=/usr/bin/rpm-ostree override brcmfmac-firmware intel-gpu-firmware mt7xxx-firmware atheros-firmware amd-ucode-firmware linux-firmware amd-gpu-firmware realtek-firmware btrfs-progs cifs-utils clevis clevis-dracut clevis-luks clevis-pin-tpm2 clevis-systemd containerd containers-common-extra crun crun-wasm cryptsetup dnsmasq e2fsprogs-libs e2fsprogs flatpak-session-helper fuse-overlayfs fuse-sshfs fuse3 fwupd google-compute-engine-guest-configs-udev iptables-legacy iptables-legacy-libs kexec-tools libnvme lvm2 lvm2-libs mdadm moby-engine nvme-cli podman rsync runc samba-client-libs samba-common libwbclient libsmbclient samba-common-libs socat sssd-client sssd-ldap sssd-common sssd-krb5-common sssd-nfs-idmap sssd-ad sssd-krb5 sssd-ipa sssd-common-pac systemd-resolved toolbox tpm2-tools tpm2-tss-fapi vim-data vim-minimal wireguard-tools\nExecStart=/usr/bin/sed -i 's/\\s+nullok//g' /etc/pam.d/system-auth\nExecStart=/usr/bin/sed -i '$ a\\allow 10.0.2.2/32' /etc/chrony.conf\nExecStart=/usr/bin/sed -i 's/#[[:space:]]*install msr/install msr/g' /etc/modprobe.d/30_security-misc.conf\nExecStart=/usr/bin/sed -i 's/#[[:space:]]*install bluetooth/install bluetooth/g' /etc/modprobe.d/30_security-misc.conf\nExecStart=/usr/bin/sed -i 's/#[[:space:]]*install btusb/install btusb/g' /etc/modprobe.d/30_security-misc.conf\nExecStart=/usr/bin/sed -i 's/kernel\\.yama\\.ptrace_scope[[:space:]]*=.*/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/990-security-misc.conf\nExecStart=/usr/bin/sed -i 's/net\\.ipv4\\.icmp_echo_ignore_all[[:space:]]*=.*/net.ipv4.icmp_echo_ignore_all=0/g' /etc/sysctl.d/990-security-misc.conf\nExecStart=/usr/bin/sed -i 's/net\\.ipv6\\.icmp.echo_ignore_all[[:space:]]*=.*/net.ipv6.icmp.echo_ignore_all=0/g' /etc/sysctl.d/990-security-misc.conf\nExecStart=/usr/bin/echo 'EDITOR=nano' \u003e\u003e /etc/bashrc\nExecStart=/usr/bin/echo 'VISUAL=nano' \u003e\u003e /etc/bashrc\nExecStart=/usr/bin/systemctl disable systemd-resolved\nExecStart=/usr/bin/touch /var/lib/%N.stamp\nExecStart=/usr/bin/systemctl --no-block reboot\n\n[Install]\nWantedBy=multi-user.target\n",
+        "contents": "[Unit]\nDescription=Initial System Setup\n# We run after `systemd-machine-id-commit.service` to ensure that\n# `ConditionFirstBoot=true` services won't rerun on the next boot.\nAfter=systemd-machine-id-commit.service\nAfter=network-online.target\n# We run before `zincati.service` to avoid conflicting rpm-ostree\n# transactions.\nBefore=zincati.service\nConditionPathExists=!/var/lib/%N.stamp\n\n[Service]\nType=oneshot\nRemainAfterExit=yes\nExecStart=/usr/sbin/restorecon -R /var\nExecStart=/usr/sbin/setsebool -P container_use_cephfs off\nExecStart=/usr/sbin/setsebool -P virt_use_nfs off\nExecStart=/usr/sbin/setsebool -P virt_use_samba off\nExecStart=/usr/bin/rpm-ostree install firewalld qemu-guest-agent tuned unbound\nExecStart=/usr/bin/rpm-ostree override brcmfmac-firmware intel-gpu-firmware mt7xxx-firmware atheros-firmware amd-ucode-firmware linux-firmware amd-gpu-firmware realtek-firmware btrfs-progs cifs-utils clevis clevis-dracut clevis-luks clevis-pin-tpm2 clevis-systemd containerd containers-common-extra crun crun-wasm cryptsetup dnsmasq e2fsprogs-libs e2fsprogs flatpak-session-helper fuse-overlayfs fuse-sshfs fuse3 fwupd google-compute-engine-guest-configs-udev iptables-legacy iptables-legacy-libs kexec-tools libnvme lvm2 lvm2-libs mdadm moby-engine nvme-cli podman rsync runc samba-client-libs samba-common libwbclient libsmbclient samba-common-libs socat sssd-client sssd-ldap sssd-common sssd-krb5-common sssd-nfs-idmap sssd-ad sssd-krb5 sssd-ipa sssd-common-pac systemd-resolved toolbox tpm2-tools tpm2-tss-fapi vim-data vim-minimal wireguard-tools\nExecStart=/usr/bin/sed -i 's/\\s+nullok//g' /etc/pam.d/system-auth\nExecStart=/usr/bin/sed -i '$ a\\allow 10.0.2.2/32' /etc/chrony.conf\nExecStart=/usr/bin/echo 'EDITOR=nano' \u003e\u003e /etc/bashrc\nExecStart=/usr/bin/echo 'VISUAL=nano' \u003e\u003e /etc/bashrc\nExecStart=/usr/bin/systemctl disable systemd-resolved\nExecStart=/usr/bin/touch /var/lib/%N.stamp\nExecStart=/usr/bin/systemctl --no-block reboot\n\n[Install]\nWantedBy=multi-user.target\n",
         "enabled": true,
         "name": "postinst.service"
       },

UTM-Chrony.yml

@@ -49,12 +49,6 @@ systemd:
         ExecStart=/usr/bin/rpm-ostree override brcmfmac-firmware intel-gpu-firmware mt7xxx-firmware atheros-firmware amd-ucode-firmware linux-firmware amd-gpu-firmware realtek-firmware btrfs-progs cifs-utils clevis clevis-dracut clevis-luks clevis-pin-tpm2 clevis-systemd containerd containers-common-extra crun crun-wasm cryptsetup dnsmasq e2fsprogs-libs e2fsprogs flatpak-session-helper fuse-overlayfs fuse-sshfs fuse3 fwupd google-compute-engine-guest-configs-udev iptables-legacy iptables-legacy-libs kexec-tools libnvme lvm2 lvm2-libs mdadm moby-engine nvme-cli podman rsync runc samba-client-libs samba-common libwbclient libsmbclient samba-common-libs socat sssd-client sssd-ldap sssd-common sssd-krb5-common sssd-nfs-idmap sssd-ad sssd-krb5 sssd-ipa sssd-common-pac systemd-resolved toolbox tpm2-tools tpm2-tss-fapi vim-data vim-minimal wireguard-tools
         ExecStart=/usr/bin/sed -i 's/\s+nullok//g' /etc/pam.d/system-auth
         ExecStart=/usr/bin/sed -i '$ a\allow 10.0.2.2/32' /etc/chrony.conf
-        ExecStart=/usr/bin/sed -i 's/#[[:space:]]*install msr/install msr/g' /etc/modprobe.d/30_security-misc.conf
-        ExecStart=/usr/bin/sed -i 's/#[[:space:]]*install bluetooth/install bluetooth/g' /etc/modprobe.d/30_security-misc.conf
-        ExecStart=/usr/bin/sed -i 's/#[[:space:]]*install btusb/install btusb/g' /etc/modprobe.d/30_security-misc.conf
-        ExecStart=/usr/bin/sed -i 's/kernel\.yama\.ptrace_scope[[:space:]]*=.*/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/990-security-misc.conf
-        ExecStart=/usr/bin/sed -i 's/net\.ipv4\.icmp_echo_ignore_all[[:space:]]*=.*/net.ipv4.icmp_echo_ignore_all=0/g' /etc/sysctl.d/990-security-misc.conf
-        ExecStart=/usr/bin/sed -i 's/net\.ipv6\.icmp.echo_ignore_all[[:space:]]*=.*/net.ipv6.icmp.echo_ignore_all=0/g' /etc/sysctl.d/990-security-misc.conf
         ExecStart=/usr/bin/echo 'EDITOR=nano' >> /etc/bashrc
         ExecStart=/usr/bin/echo 'VISUAL=nano' >> /etc/bashrc
         ExecStart=/usr/bin/systemctl disable systemd-resolved
@@ -122,18 +116,12 @@ storage:
       contents:
         source: https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf
       overwrite: true
-    - path: /etc/modprobe.d/30_security-misc.conf
+    - path: /etc/modprobe.d/server-blacklist.conf
       contents:
-        source: https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf
+        source: https://raw.githubusercontent.com/secureblue/secureblue/live/config/files/usr/etc/modprobe.d/blacklist.conf
-    - path: /etc/sysctl.d/990-security-misc.conf
+    - path: /etc/sysctl.d/99-server.conf
       contents:
-        source: https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/990-security-misc.conf
+        source: https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/sysctl.d/99-server.conf
-    - path: /etc/sysctl.d/30_silent-kernel-printk.conf
-      contents:
-        source: https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_silent-kernel-printk.conf
-    - path: /etc/sysctl.d/30_security-misc_kexec-disable.conf
-      contents:
-        source: https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_security-misc_kexec-disable.conf
     - path: /etc/systemd/system/NetworkManager.service.d/99-brace.conf
       contents:
         source: https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/NetworkManager.service.d/99-brace.conf

x86-QEMU-Docker.ign

@@ -101,27 +101,15 @@
         }
       },
       {
-        "path": "/etc/modprobe.d/30_security-misc.conf",
+        "path": "/etc/modprobe.d/server-blacklist.conf",
         "contents": {
-          "source": "https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf"
+          "source": "https://raw.githubusercontent.com/secureblue/secureblue/live/config/files/usr/etc/modprobe.d/blacklist.conf"
         }
       },
       {
-        "path": "/etc/sysctl.d/990-security-misc.conf",
+        "path": "/etc/sysctl.d/99-server.conf",
         "contents": {
-          "source": "https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/990-security-misc.conf"
+          "source": "https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/sysctl.d/99-server.conf"
-        }
-      },
-      {
-        "path": "/etc/sysctl.d/30_silent-kernel-printk.conf",
-        "contents": {
-          "source": "https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_silent-kernel-printk.conf"
-        }
-      },
-      {
-        "path": "/etc/sysctl.d/30_security-misc_kexec-disable.conf",
-        "contents": {
-          "source": "https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_security-misc_kexec-disable.conf"
         }
       },
       {
@@ -230,7 +218,7 @@
   "systemd": {
     "units": [
       {
-        "contents": "[Unit]\nDescription=Initial System Setup\n# We run after `systemd-machine-id-commit.service` to ensure that\n# `ConditionFirstBoot=true` services won't rerun on the next boot.\nAfter=systemd-machine-id-commit.service\nAfter=network-online.target\n# We run before `zincati.service` to avoid conflicting rpm-ostree\n# transactions.\nBefore=zincati.service\nConditionPathExists=!/var/lib/%N.stamp\n\n[Service]\nType=oneshot\nRemainAfterExit=yes\nExecStart=/usr/sbin/restorecon -R /var\nExecStart=/usr/sbin/setsebool -P container_use_cephfs off\nExecStart=/usr/sbin/setsebool -P virt_use_nfs off\nExecStart=/usr/sbin/setsebool -P virt_use_samba off\nExecStart=/usr/bin/rpm-ostree override remove brcmfmac-firmware intel-gpu-firmware mt7xxx-firmware atheros-firmware amd-ucode-firmware linux-firmware amd-gpu-firmware realtek-firmware btrfs-progs cifs-utils clevis clevis-dracut clevis-luks clevis-pin-tpm2 clevis-systemd containerd containers-common-extra crun crun-wasm cryptsetup dnsmasq e2fsprogs-libs e2fsprogs flatpak-session-helper fuse-overlayfs fuse-sshfs fuse3 fwupd google-compute-engine-guest-configs-udev iptables-legacy iptables-legacy-libs kexec-tools libnvme lvm2 lvm2-libs mdadm moby-engine nvme-cli podman rsync runc samba-client-libs samba-common libwbclient libsmbclient samba-common-libs socat sssd-client sssd-ldap sssd-common sssd-krb5-common sssd-nfs-idmap sssd-ad sssd-krb5 sssd-ipa sssd-common-pac systemd-resolved toolbox tpm2-tools tpm2-tss-fapi vim-data vim-minimal wireguard-tools\nExecStart=/usr/bin/rpm-ostree install docker-ce docker-compose-plugin firewalld hardened_malloc qemu-guest-agent tuned unbound\nExecStart=/usr/bin/sed -i 's/\\s+nullok//g' /etc/pam.d/system-auth\nExecStart=/usr/bin/sed -i 's/#[[:space:]]*install msr/install msr/g' /etc/modprobe.d/30_security-misc.conf\nExecStart=/usr/bin/sed -i 's/#[[:space:]]*install bluetooth/install bluetooth/g' /etc/modprobe.d/30_security-misc.conf\nExecStart=/usr/bin/sed -i 's/#[[:space:]]*install btusb/install btusb/g' /etc/modprobe.d/30_security-misc.conf\nExecStart=/usr/bin/sed -i 's/kernel\\.yama\\.ptrace_scope[[:space:]]*=.*/kernel.yama.ptrace_scope=1/g' /etc/sysctl.d/990-security-misc.conf\nExecStart=/usr/bin/sed -i 's/net\\.ipv4\\.icmp_echo_ignore_all[[:space:]]*=.*/net.ipv4.icmp_echo_ignore_all=0/g' /etc/sysctl.d/990-security-misc.conf\nExecStart=/usr/bin/sed -i 's/net\\.ipv6\\.icmp.echo_ignore_all[[:space:]]*=.*/net.ipv6.icmp.echo_ignore_all=0/g' /etc/sysctl.d/990-security-misc.conf\nExecStart=/usr/bin/echo 'EDITOR=nano' \u003e\u003e /etc/bashrc\nExecStart=/usr/bin/echo 'VISUAL=nano' \u003e\u003e /etc/bashrc\nExecStart=/usr/bin/systemctl disable systemd-resolved\nExecStart=/usr/bin/touch /var/lib/%N.stamp\nExecStart=/usr/bin/systemctl --no-block reboot\n\n[Install]\nWantedBy=multi-user.target\n",
+        "contents": "[Unit]\nDescription=Initial System Setup\n# We run after `systemd-machine-id-commit.service` to ensure that\n# `ConditionFirstBoot=true` services won't rerun on the next boot.\nAfter=systemd-machine-id-commit.service\nAfter=network-online.target\n# We run before `zincati.service` to avoid conflicting rpm-ostree\n# transactions.\nBefore=zincati.service\nConditionPathExists=!/var/lib/%N.stamp\n\n[Service]\nType=oneshot\nRemainAfterExit=yes\nExecStart=/usr/sbin/restorecon -R /var\nExecStart=/usr/sbin/setsebool -P container_use_cephfs off\nExecStart=/usr/sbin/setsebool -P virt_use_nfs off\nExecStart=/usr/sbin/setsebool -P virt_use_samba off\nExecStart=/usr/bin/rpm-ostree override remove brcmfmac-firmware intel-gpu-firmware mt7xxx-firmware atheros-firmware amd-ucode-firmware linux-firmware amd-gpu-firmware realtek-firmware btrfs-progs cifs-utils clevis clevis-dracut clevis-luks clevis-pin-tpm2 clevis-systemd containerd containers-common-extra crun crun-wasm cryptsetup dnsmasq e2fsprogs-libs e2fsprogs flatpak-session-helper fuse-overlayfs fuse-sshfs fuse3 fwupd google-compute-engine-guest-configs-udev iptables-legacy iptables-legacy-libs kexec-tools libnvme lvm2 lvm2-libs mdadm moby-engine nvme-cli podman rsync runc samba-client-libs samba-common libwbclient libsmbclient samba-common-libs socat sssd-client sssd-ldap sssd-common sssd-krb5-common sssd-nfs-idmap sssd-ad sssd-krb5 sssd-ipa sssd-common-pac systemd-resolved toolbox tpm2-tools tpm2-tss-fapi vim-data vim-minimal wireguard-tools\nExecStart=/usr/bin/rpm-ostree install docker-ce docker-compose-plugin firewalld hardened_malloc qemu-guest-agent tuned unbound\nExecStart=/usr/bin/sed -i 's/\\s+nullok//g' /etc/pam.d/system-auth\nExecStart=/usr/bin/echo 'EDITOR=nano' \u003e\u003e /etc/bashrc\nExecStart=/usr/bin/echo 'VISUAL=nano' \u003e\u003e /etc/bashrc\nExecStart=/usr/bin/systemctl disable systemd-resolved\nExecStart=/usr/bin/touch /var/lib/%N.stamp\nExecStart=/usr/bin/systemctl --no-block reboot\n\n[Install]\nWantedBy=multi-user.target\n",
         "enabled": true,
         "name": "postinst.service"
       },

x86-QEMU-Docker.yml

@@ -49,12 +49,6 @@ systemd:
         ExecStart=/usr/bin/rpm-ostree override remove brcmfmac-firmware intel-gpu-firmware mt7xxx-firmware atheros-firmware amd-ucode-firmware linux-firmware amd-gpu-firmware realtek-firmware btrfs-progs cifs-utils clevis clevis-dracut clevis-luks clevis-pin-tpm2 clevis-systemd containerd containers-common-extra crun crun-wasm cryptsetup dnsmasq e2fsprogs-libs e2fsprogs flatpak-session-helper fuse-overlayfs fuse-sshfs fuse3 fwupd google-compute-engine-guest-configs-udev iptables-legacy iptables-legacy-libs kexec-tools libnvme lvm2 lvm2-libs mdadm moby-engine nvme-cli podman rsync runc samba-client-libs samba-common libwbclient libsmbclient samba-common-libs socat sssd-client sssd-ldap sssd-common sssd-krb5-common sssd-nfs-idmap sssd-ad sssd-krb5 sssd-ipa sssd-common-pac systemd-resolved toolbox tpm2-tools tpm2-tss-fapi vim-data vim-minimal wireguard-tools
         ExecStart=/usr/bin/rpm-ostree install docker-ce docker-compose-plugin firewalld hardened_malloc qemu-guest-agent tuned unbound
         ExecStart=/usr/bin/sed -i 's/\s+nullok//g' /etc/pam.d/system-auth
-        ExecStart=/usr/bin/sed -i 's/#[[:space:]]*install msr/install msr/g' /etc/modprobe.d/30_security-misc.conf
-        ExecStart=/usr/bin/sed -i 's/#[[:space:]]*install bluetooth/install bluetooth/g' /etc/modprobe.d/30_security-misc.conf
-        ExecStart=/usr/bin/sed -i 's/#[[:space:]]*install btusb/install btusb/g' /etc/modprobe.d/30_security-misc.conf
-        ExecStart=/usr/bin/sed -i 's/kernel\.yama\.ptrace_scope[[:space:]]*=.*/kernel.yama.ptrace_scope=1/g' /etc/sysctl.d/990-security-misc.conf
-        ExecStart=/usr/bin/sed -i 's/net\.ipv4\.icmp_echo_ignore_all[[:space:]]*=.*/net.ipv4.icmp_echo_ignore_all=0/g' /etc/sysctl.d/990-security-misc.conf
-        ExecStart=/usr/bin/sed -i 's/net\.ipv6\.icmp.echo_ignore_all[[:space:]]*=.*/net.ipv6.icmp.echo_ignore_all=0/g' /etc/sysctl.d/990-security-misc.conf
         ExecStart=/usr/bin/echo 'EDITOR=nano' >> /etc/bashrc
         ExecStart=/usr/bin/echo 'VISUAL=nano' >> /etc/bashrc
         ExecStart=/usr/bin/systemctl disable systemd-resolved
@@ -202,18 +196,12 @@ storage:
       contents:
         source: https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf
       overwrite: true
-    - path: /etc/modprobe.d/30_security-misc.conf
+    - path: /etc/modprobe.d/server-blacklist.conf
       contents:
-        source: https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf
+        source: https://raw.githubusercontent.com/secureblue/secureblue/live/config/files/usr/etc/modprobe.d/blacklist.conf
-    - path: /etc/sysctl.d/990-security-misc.conf
+    - path: /etc/sysctl.d/99-server.conf
       contents:
-        source: https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/990-security-misc.conf
+        source: https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/sysctl.d/99-server.conf
-    - path: /etc/sysctl.d/30_silent-kernel-printk.conf
-      contents:
-        source: https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_silent-kernel-printk.conf
-    - path: /etc/sysctl.d/30_security-misc_kexec-disable.conf
-      contents:
-        source: https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_security-misc_kexec-disable.conf
     - path: /etc/systemd/system/NetworkManager.service.d/99-brace.conf
       contents:
         source: https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/NetworkManager.service.d/99-brace.conf