Tomster/Linux-Setup-Scripts
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Signed-off-by: Tommy <contact@tommytran.io>
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Tommy 2023-01-25 05:53:38 -05:00 committed by GitHub
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commit c0a0469c1c
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1 changed files with 54 additions and 20 deletions
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74
GCP-Debian-11.sh
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@ -1,31 +1,65 @@
#!/bin/bash
find /etc/apt/sources.list.d -type f -exec sed -i 's/http:/https:/g' {} \;
sudo find /etc/apt/sources.list.d -type f -exec sudo sed -i 's/http:/https:/g' {} \;
apt update
apt upgrade -y
apt install -y tuned apparmor-profiles ufw
sudo apt update
sudo apt upgrade -y
sudo apt install -y tuned apparmor-profiles unbound ufw
tuned-adm profile virtual-guest
sudo tuned-adm profile virtual-guest
curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf -o /etc/modprobe.d/30_security-misc.conf
curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/sysctl.d/30_security-misc.conf -o /etc/sysctl.d/30_security-misc.conf
sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/30_security-misc.conf
curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/sysctl.d/30_silent-kernel-printk.conf -o /etc/sysctl.d/30_silent-kernel-printk.conf
mkdir -p /etc/systemd/system/NetworkManager.service.d
curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/NetworkManager.service.d/99-brace.conf -o /etc/systemd/system/NetworkManager.service.d/99-brace.conf
mkdir -p /etc/systemd/system/sshd.service.d
curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/systemd/system/sshd.service.d/limits.conf -o /etc/systemd/system/sshd.service.d/limits.conf
echo 'server:
trust-anchor-signaling: yes
root-key-sentinel: yes
echo "GSSAPIAuthentication no" > /etc/ssh/ssh_config.d/10-custom.conf
echo "VerifyHostKeyDNS yes" >> /etc/ssh/ssh_config.d/10-custom.conf
hide-identity: yes
hide-trustanchor: yes
hide-version: yes
deny-any: yes
do-not-query-localhost: yes
harden-algo-downgrade: yes
harden-large-queries: yes
harden-referral-path: yes
ignore-cd-flag: yes
max-udp-size: 3072
module-config: "validator iterator"
qname-minimisation-strict: yes
unwanted-reply-threshold: 10000000
use-caps-for-id: yes
rm -rf /etc/chrony/chrony.conf
curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf -o /etc/chrony/chrony.conf
outgoing-port-permit: 1024-65535
outgoing-port-avoid: 51820
prefetch: yes
prefetch-key: yes
forward-zone:
name: "."
forward-tls-upstream: yes
forward-addr: 8.8.8.8#dns.google
forward-addr: 8.8.4.4#dns.google
forward-addr: 2001:4860:4860::8888#dns.google
forward-addr: 2001:4860:4860::8844#dns.google' | sudo tee /etc/unbound/unbound.conf.d/custom.conf
sudo systemctl restart unbound
sudo rm -rf /etc/chrony/chrony.conf
sudo curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf -o /etc/chrony/chrony.conf
sudo systemctl restart chronyd
sudo curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf -o /etc/modprobe.d/30_security-misc.conf
sudo curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/sysctl.d/30_security-misc.conf -o /etc/sysctl.d/30_security-misc.conf
sudo sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/30_security-misc.conf
sudo curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/sysctl.d/30_silent-kernel-printk.conf -o /etc/sysctl.d/30_silent-kernel-printk.conf
sudo mkdir -p /etc/systemd/system/NetworkManager.service.d
sudo curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/NetworkManager.service.d/99-brace.conf -o /etc/systemd/system/NetworkManager.service.d/99-brace.conf
sudo mkdir -p /etc/systemd/system/sshd.service.d
sudo curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/systemd/system/sshd.service.d/limits.conf -o /etc/systemd/system/sshd.service.d/limits.conf
echo 'GSSAPIAuthentication no
VerifyHostKeyDNS yes' | sudo tee /etc/ssh/ssh_config.d/10-custom.conf
echo "* hard core 0" | tee -a /etc/security/limits.conf
sed -i 's/#GSSAPIAuthentication no/GSSAPIAuthentication no/g' /etc/ssh/sshd_config
sed -i 's/#DNSSEC=no/DNSSEC=yes/g' /etc/systemd/resolved.conf
systemctl restart systemd-resolved