Tomster/Linux-Setup-Scripts
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Keep RHEL 9 and F40 scripts in sync

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Signed-off-by: Tommy <contact@tommytran.io>
This commit is contained in:
Tommy 2024-05-29 16:00:50 -07:00
parent 441c4e068a
commit b0cb3d2788
Signed by: Tomster
GPG Key ID: 555C902A34EC968F
2 changed files with 73 additions and 74 deletions
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4
Fedora-Server-40.sh
View File

@ -97,6 +97,10 @@ unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/m
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dnf/dnf.conf | sudo tee /etc/dnf/dnf.conf unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dnf/dnf.conf | sudo tee /etc/dnf/dnf.conf
sudo sed -i 's/^metalink=.*/&\&protocol=https/g' /etc/yum.repos.d/* sudo sed -i 's/^metalink=.*/&\&protocol=https/g' /etc/yum.repos.d/*
# Setup automatic updates
sudo sed -i 's/apply_updates = no/apply_updates = yes\nreboot = when-needed/g' /etc/dnf/automatic.conf
sudo systemctl enable --now dnf-automatic.timer
# Remove unnecessary packages # Remove unnecessary packages
sudo dnf remove -y cockpit* sudo dnf remove -y cockpit*

137
RHEL-9.sh
View File

@ -22,25 +22,28 @@ unpriv(){
sudo -u nobody "$@" sudo -u nobody "$@"
} }
virtualization=$(systemd-detect-virt)
# Compliance # Compliance
sudo systemctl mask debug-shell.service sudo systemctl mask debug-shell.service
sudo systemctl mask kdump.service sudo systemctl mask kdump.service
# Setting umask to 077
umask 077
sudo sed -i 's/^UMASK.*/UMASK 077/g' /etc/login.defs
sudo sed -i 's/^HOME_MODE/#HOME_MODE/g' /etc/login.defs
sudo sed -i 's/^USERGROUPS_ENAB.*/USERGROUPS_ENAB no/g' /etc/login.defs
sudo sed -i 's/umask 022/umask 077/g' /etc/bashrc
# Make home directory private
sudo chmod 700 /home/*
# Setup NTS # Setup NTS
unpriv curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf | sudo tee /etc/chrony.conf unpriv curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf | sudo tee /etc/chrony.conf
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/sysconfig/chronyd | sudo tee /etc/sysconfig/chronyd unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/sysconfig/chronyd | sudo tee /etc/sysconfig/chronyd
sudo systemctl restart chronyd sudo systemctl restart chronyd
# Make home directory private
sudo chmod 700 /home/*
# Setup Firewalld
sudo firewall-cmd --permanent --remove-service=cockpit
sudo firewall-cmd --reload
sudo firewall-cmd --lockdown-on
# Remove nullok # Remove nullok
sudo /usr/bin/sed -i 's/\s+nullok//g' /etc/pam.d/system-auth sudo /usr/bin/sed -i 's/\s+nullok//g' /etc/pam.d/system-auth
@ -53,47 +56,46 @@ unpriv curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/sys
sudo systemctl daemon-reload sudo systemctl daemon-reload
sudo systemctl restart sshd sudo systemctl restart sshd
# Kernel hardening # Security kernel settings
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf | sudo tee /etc/modprobe.d/30_security-misc.conf unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf | sudo tee /etc/modprobe.d/30_security-misc.conf
sudo chmod 644 /etc/modprobe.d/30_security-misc.conf
sudo sed -i 's/#install msr/install msr/g' /etc/modprobe.d/30_security-misc.conf sudo sed -i 's/#install msr/install msr/g' /etc/modprobe.d/30_security-misc.conf
sudo sed -i 's/# install bluetooth/install bluetooth/g' /etc/modprobe.d/30_security-misc.conf sudo sed -i 's/# install bluetooth/install bluetooth/g' /etc/modprobe.d/30_security-misc.conf
sudo sed -i 's/# install btusb/install btusb/g' /etc/modprobe.d/30_security-misc.conf sudo sed -i 's/# install btusb/install btusb/g' /etc/modprobe.d/30_security-misc.conf
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/990-security-misc.conf | sudo tee /etc/sysctl.d/10-security-misc.conf unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/990-security-misc.conf | sudo tee /etc/sysctl.d/990-security-misc.conf
sudo sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/10-security-misc.conf sudo chmod 644 /etc/sysctl.d/990-security-misc.conf
sudo sed -i 's/net.ipv4.icmp_echo_ignore_all=1/net.ipv4.icmp_echo_ignore_all=0/g' /etc/sysctl.d/10-security-misc.conf sudo sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/990-security-misc.conf
sudo sed -i 's/net.ipv6.icmp.echo_ignore_all=1/net.ipv6.icmp.echo_ignore_all=0/g' /etc/sysctl.d/10-security-misc.conf sudo sed -i 's/net.ipv4.icmp_echo_ignore_all=1/net.ipv4.icmp_echo_ignore_all=0/g' /etc/sysctl.d/990-security-misc.conf
sudo sed -i 's/net.ipv6.icmp.echo_ignore_all=1/net.ipv6.icmp.echo_ignore_all=0/g' /etc/sysctl.d/990-security-misc.conf
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_silent-kernel-printk.conf | sudo tee /etc/sysctl.d/30_silent-kernel-printk.conf unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_silent-kernel-printk.conf | sudo tee /etc/sysctl.d/30_silent-kernel-printk.conf
sudo chmod 644 /etc/sysctl.d/30_silent-kernel-printk.conf
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_security-misc_kexec-disable.conf | sudo tee /etc/sysctl.d/30_security-misc_kexec-disable.conf unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_security-misc_kexec-disable.conf | sudo tee /etc/sysctl.d/30_security-misc_kexec-disable.conf
sudo chmod 644 /etc/sysctl.d/30_security-misc_kexec-disable.conf
sudo dracut -f sudo dracut -f
sudo sysctl -p sudo sysctl -p
sudo grubby --update-kernel=ALL --args='mitigations=auto,nosmt spectre_v2=on spectre_bhi=on spec_store_bypass_disable=on tsx=off kvm.nx_huge_pages=force nosmt=force l1d_flush=on spec_rstack_overflow=safe-ret gather_data_sampling=force reg_file_data_sampling=on random.trust_bootloader=off random.trust_cpu=off intel_iommu=on amd_iommu=force_isolation efi=disable_early_pci_dma iommu=force iommu.passthrough=0 iommu.strict=1 slab_nomerge init_on_alloc=1 init_on_free=1 pti=on vsyscall=none ia32_emulation=0 page_alloc.shuffle=1 randomize_kstack_offset=on debugfs=off lockdown=confidentiality module.sig_enforce=1'
sudo grubby --update-kernel=ALL --args='mitigations=auto,nosmt spectre_v2=on spectre_bhi=on spec_store_bypass_disable=on tsx=off kvm.nx_huge_pages=force nosmt=force l1d_flush=on spec_rstack_overflow=safe-ret gather_data_sampling=force reg_file_data_sampling=on random.trust_bootloader=off random.trust_cpu=off intel_iommu=on amd_iommu=force_isolation efi=disable_early_pci_dma iommu=force iommu.passthrough=0 iommu.strict=1 slab_nomerge init_on_alloc=1 init_on_free=1 pti=on vsyscall=none ia32_emulation=0 page_alloc.shuffle=1 randomize_kstack_offset=on debugfs=off lockdown=confidentiality module.sig_enforce=1 console=tty0 console=ttyS0,115200'
# Disable coredump # Disable coredump
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/security/limits.d/30-disable-coredump.conf | sudo tee /etc/security/limits.d/30-disable-coredump.conf unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/security/limits.d/30-disable-coredump.conf | sudo tee /etc/security/limits.d/30-disable-coredump.conf
# Systemd Hardening # Setup DNF
sudo mkdir -p /etc/systemd/system/NetworkManager.service.d
unpriv curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/NetworkManager.service.d/99-brace.conf | sudo tee /etc/systemd/system/NetworkManager.service.d/99-brace.conf
sudo systemctl daemon-reload
sudo systemctl restart NetworkManager
sudo mkdir -p /etc/systemd/system/irqbalance.service.d
unpriv curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/irqbalance.service.d/99-brace.conf | sudo tee /etc/systemd/system/irqbalance.service.d/99-brace.conf
sudo systemctl daemon-reload
sudo systemctl restart irqbalance
# Remove packages
sudo dnf remove baobab chrome-gnome-shell evince firefox gedit gnome-calculator gnome-characters gnome-font-viewer gnome-screenshot gnome-tour qemu-guest-agent 'sssd*' 'yelp*'
# Setup dnf
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dnf/dnf.conf | sudo tee /etc/dnf/dnf.conf unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dnf/dnf.conf | sudo tee /etc/dnf/dnf.conf
sudo sed -i 's/^metalink=.*/&\&protocol=https/g' /etc/yum.repos.d/* sudo sed -i 's/^metalink=.*/&\&protocol=https/g' /etc/yum.repos.d/*
# Setup unbound # Setup automatic updates
sudo sed -i 's/apply_updates = no/apply_updates = yes\nreboot = when-needed/g' /etc/dnf/automatic.conf
sudo systemctl enable --now dnf-automatic.timer
# Remove unnecessary packages
sudo dnf remove -y cockpit*
# Install appropriate virtualization drivers
if [ "$virtualization" = 'kvm' ]; then
sudo dnf install -y qemu-guest-agent
fi
# Setup unbound
sudo dnf install unbound -y sudo dnf install unbound -y
echo 'server: echo 'server:
@ -154,51 +156,41 @@ sudo dnf install -y yara
sudo insights-client --collector malware-detection sudo insights-client --collector malware-detection
sudo sed -i 's/test_scan: true/test_scan: false/' /etc/insights-client/malware-detection-config.yml sudo sed -i 's/test_scan: true/test_scan: false/' /etc/insights-client/malware-detection-config.yml
# Setup automatic updates # Setup fwupd
if [ "$virtualization" = 'none' ]; then
sudo dnf install -y fwupd
echo 'UriSchemes=file;https' | sudo tee -a /etc/fwupd/fwupd.conf
sudo systemctl restart fwupd
mkdir -p /etc/systemd/system/fwupd-refresh.service.d
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/systemd/system/fwupd-refresh.service.d/override.conf | sudo tee /etc/systemd/system/fwupd-refresh.service.d/override.conf
sudo systemctl daemon-reload
sudo systemctl enable --now fwupd-refresh.timer
fi
sudo sed -i 's/apply_updates = no/apply_updates = yes\nreboot = when-needed/g' /etc/dnf/automatic.conf # Enable auto TRIM
sudo systemctl enable --now dnf-automatic.timer sudo systemctl enable fstrim.timer
# Enable fstrim.timer
sudo systemctl enable --now fstrim.timer
### Differentiating bare metal and virtual installs ### Differentiating bare metal and virtual installs
# Installing tuned first here because virt-what is 1 of its dependencies anyways
sudo dnf install tuned -y
virt_type=$(virt-what)
if [ "$virt_type" = '' ]; then
output 'Virtualization: Bare Metal.'
elif [ "$virt_type" = 'openvz lxc' ]; then
output 'Virtualization: OpenVZ 7.'
elif [ "$virt_type" = 'xen xen-hvm' ]; then
output 'Virtualization: Xen-HVM.'
elif [ "$virt_type" = 'xen xen-hvm aws' ]; then
output 'Virtualization: Xen-HVM on AWS.'
else
output "Virtualization: $virt_type."
fi
# Setup tuned # Setup tuned
if [ "$virt_type" = '' ]; then sudo dnf install -y tuned
sudo systemctl enable --now tuned
if [ "$virtualization" = 'none' ]; then
sudo tuned-adm profile latency-performance sudo tuned-adm profile latency-performance
if [ "$virt_type" = 'kvm' ]; then
sudo dnf install qemu-guest-agent -y
fi
else else
sudo tuned-adm profile virtual-guest sudo tuned-adm profile virtual-guest
fi fi
# Setup real-ucode and hardened_malloc # Setup real-ucode and hardened_malloc
if [ "$virt_type" = '' ] || [ "${MACHINE_TYPE}" == 'x86_64' ]; then if [ "$virtualization" = 'none' ] || [ "${MACHINE_TYPE}" == 'x86_64' ]; then
sudo dnf install 'https://divested.dev/rpm/fedora/divested-release-20231210-2.noarch.rpm' -y sudo dnf install 'https://divested.dev/rpm/fedora/divested-release-20231210-2.noarch.rpm' -y
sudo sed -i 's/^metalink=.*/&?protocol=https/g' /etc/yum.repos.d/divested-release.repo sudo sed -i 's/^metalink=.*/&?protocol=https/g' /etc/yum.repos.d/divested-release.repo
if [ "${MACHINE_TYPE}" != 'x86_64' ]; then if [ "${MACHINE_TYPE}" != 'x86_64' ]; then
sudo dnf config-manager --save --setopt=divested.includepkgs=divested-release,real-ucode,microcode_ctl,amd-ucode-firmware sudo dnf config-manager --save --setopt=divested.includepkgs=divested-release,real-ucode,microcode_ctl,amd-ucode-firmware
sudo dnf install real-ucode -y sudo dnf install real-ucode -y
sudo dracut -f sudo dracut -f
elif [ "$virt_type" != '' ]; then elif [ "$virtualization" != 'none' ]; then
sudo dnf config-manager --save --setopt=divested.includepkgs=divested-release,hardened_malloc sudo dnf config-manager --save --setopt=divested.includepkgs=divested-release,hardened_malloc
sudo dnf install hardened_malloc -y sudo dnf install hardened_malloc -y
else else
@ -212,13 +204,16 @@ elif [ "${MACHINE_TYPE}" == 'aarch64' ]; then
sudo dnf install hardened_malloc -y sudo dnf install hardened_malloc -y
fi fi
# Setup fwupd # Setup Networking
if [ "$virt_type" = '' ]; then sudo firewall-cmd --permanent --remove-service=cockpit
sudo dnf install fwupd -y sudo firewall-cmd --reload
echo 'UriSchemes=file;https' | sudo tee -a /etc/fwupd/fwupd.conf sudo firewall-cmd --lockdown-on
sudo systemctl restart fwupd
mkdir -p /etc/systemd/system/fwupd-refresh.service.d sudo mkdir -p /etc/systemd/system/NetworkManager.service.d
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/systemd/system/fwupd-refresh.service.d/override.conf | sudo tee /etc/systemd/system/fwupd-refresh.service.d/override.conf unpriv curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/NetworkManager.service.d/99-brace.conf | sudo tee /etc/systemd/system/NetworkManager.service.d/99-brace.conf
sudo systemctl daemon-reload sudo systemctl daemon-reload
sudo systemctl enable --now fwupd-refresh.timer sudo systemctl restart NetworkManager
fi
# Setup notices
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/issue | sudo tee /etc/issue
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/issue | sudo tee /etc/issue.net