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unpriv curl for minimal VMs

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Signed-off-by: Tommy <contact@tommytran.io>
This commit is contained in:
Tommy
2024-05-16 22:47:39 -07:00
parent 04fd34d738
commit 6dd8134451
2 changed files with 15 additions and 11 deletions
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14
fedora-minimal/fedora-minimal.sh
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@@ -14,6 +14,10 @@
# License for the specific language governing permissions and limitations under
# the License.
unpriv(){
sudo -u nobody "$@"
}
# Compliance
systemctl mask debug-shell.service
systemctl mask kdump.service
@@ -28,19 +32,19 @@ systemctl disable --now systemd-timesyncd
systemctl mask systemd-timesyncd
# Harden SSH
curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/ssh/ssh_config.d/10-custom.conf | tee /etc/ssh/ssh_config.d/10-custom.conf
unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/ssh/ssh_config.d/10-custom.conf | tee /etc/ssh/ssh_config.d/10-custom.conf
chmod 644 /etc/ssh/ssh_config.d/10-custom.conf
# Security kernel settings
curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf | tee /etc/modprobe.d/30_security-misc.conf
unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf | tee /etc/modprobe.d/30_security-misc.conf
chmod 644 /etc/modprobe.d/30_security-misc.conf
sed -i 's/#install msr/install msr/g' /etc/modprobe.d/30_security-misc.conf
curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/990-security-misc.conf | tee /etc/sysctl.d/990-security-misc.conf
unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/990-security-misc.conf | tee /etc/sysctl.d/990-security-misc.conf
chmod 644 /etc/sysctl.d/990-security-misc.conf
sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/990-security-misc.conf
curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_silent-kernel-printk.conf | tee /etc/sysctl.d/30_silent-kernel-printk.conf
unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_silent-kernel-printk.conf | tee /etc/sysctl.d/30_silent-kernel-printk.conf
chmod 644 /etc/sysctl.d/30_silent-kernel-printk.conf
curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_security-misc_kexec-disable.conf | tee /etc/sysctl.d/30_security-misc_kexec-disable.conf
unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_security-misc_kexec-disable.conf | tee /etc/sysctl.d/30_security-misc_kexec-disable.conf
chmod 644 /etc/sysctl.d/30_security-misc_kexec-disable.conf
# Dracut doesn't seem to work - need to investigate
# dracut -f

12
fedora-minimal/sys-net.sh
View File

@@ -19,19 +19,19 @@ dnf install -y @hardware-support arc-theme chrony gnome-keyring NetworkManager-w
# Setup NTS
sudo rm -rf /etc/chrony.conf
curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf | tee /etc/chrony.conf
curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/sysconfig/chronyd | tee /etc/sysconfig/chronyd
unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf | tee /etc/chrony.conf
unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/sysconfig/chronyd | tee /etc/sysconfig/chronyd
# Theming
sudo mkdir -p /etc/gtk-3.0
curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/QubesOS-Scripts/main/etc/gtk-3.0/settings.ini | tee /etc/gtk-3.0/settings.ini
unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/QubesOS-Scripts/main/etc/gtk-3.0/settings.ini | tee /etc/gtk-3.0/settings.ini
sudo mkdir -p /etc/gtk-4.0
curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/QubesOS-Scripts/main/etc/gtk-4.0/settings.ini | tee /etc/gtk-4.0/settings.ini
unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/QubesOS-Scripts/main/etc/gtk-4.0/settings.ini | tee /etc/gtk-4.0/settings.ini
# Networking
curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/00-macrandomize.conf | tee /etc/NetworkManager/conf.d/00-macrandomize.conf
curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/01-transient-hostname.conf | tee /etc/NetworkManager/conf.d/01-transient-hostname.conf
unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/00-macrandomize.conf | tee /etc/NetworkManager/conf.d/00-macrandomize.conf
unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/01-transient-hostname.conf | tee /etc/NetworkManager/conf.d/01-transient-hostname.conf
sudo hostnamectl hostname 'localhost'
sudo hostnamectl --transient hostname ''