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Merge pull request #83 from buildplan/fix_hostname

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Fix hostname
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buildplan 2025-11-25 17:42:01 +00:00 committed by GitHub
commit d24ec53084
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3 changed files with 21 additions and 12 deletions
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6
README.md
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@ -7,7 +7,7 @@
-----
**Version:** v0.78.1
**Version:** v0.78.2
**Last Updated:** 2025-11-25
@ -87,12 +87,12 @@ sha256sum du_setup.sh
Compare the output hash to the one below. They must match exactly.
`c43b738b6231ed02427d6c885a9f57d2fd56c4e992ab00ef6a89bd4938caef1a`
`d18f20d612eb9d2c8c8faac2cc3bdb6acf7d85860f5a4c93a0953284aa89c820`
Or echo the hash to check, it should output: `du_setup.sh: OK`
```bash
echo c43b738b6231ed02427d6c885a9f57d2fd56c4e992ab00ef6a89bd4938caef1a du_setup.sh | sha256sum --check
echo d18f20d612eb9d2c8c8faac2cc3bdb6acf7d85860f5a4c93a0953284aa89c820 du_setup.sh | sha256sum --check
```
### 3. Run the Script

25
du_setup.sh
View File

@ -1,8 +1,9 @@
#!/bin/bash
# Debian and Ubuntu Server Hardening Interactive Script
# Version: 0.78.1 | 2025-11-25
# Version: 0.78.2 | 2025-11-25
# Changelog:
# - v0.78.2: In configure_system set choosen hostname from collect_config in the /etc/hosts
# - v0.78.1: Collect config failure fixed on IPv6 only VPS.
# - v0.78: Script tries to handles different environments: Direct Public IP, NAT/Router and Local VM only
# The configure_ssh function provides context-aware instructions based on different environments.
@ -90,7 +91,7 @@
set -euo pipefail
# --- Update Configuration ---
CURRENT_VERSION="0.78.1"
CURRENT_VERSION="0.78.2"
SCRIPT_URL="https://raw.githubusercontent.com/buildplan/du_setup/refs/heads/main/du_setup.sh"
CHECKSUM_URL="${SCRIPT_URL}.sha256"
@ -245,7 +246,7 @@ print_header() {
printf '%s\n' "${CYAN}╔═════════════════════════════════════════════════════════════════╗${NC}"
printf '%s\n' "${CYAN}║ ║${NC}"
printf '%s\n' "${CYAN}║ DEBIAN/UBUNTU SERVER SETUP AND HARDENING SCRIPT ║${NC}"
printf '%s\n' "${CYAN}║ v0.78.1 | 2025-11-25 ║${NC}"
printf '%s\n' "${CYAN}║ v0.78.2 | 2025-11-25 ║${NC}"
printf '%s\n' "${CYAN}║ ║${NC}"
printf '%s\n' "${CYAN}╚═════════════════════════════════════════════════════════════════╝${NC}"
printf '\n'
@ -3172,15 +3173,23 @@ configure_system() {
if [[ $(hostnamectl --static) != "$SERVER_NAME" ]]; then
hostnamectl set-hostname "$SERVER_NAME"
hostnamectl set-hostname "$PRETTY_NAME" --pretty
if grep -q "^127.0.1.1" /etc/hosts; then
sed -i "s/^127.0.1.1.*/127.0.1.1\t$SERVER_NAME/" /etc/hosts
else
echo "127.0.1.1 $SERVER_NAME" >> /etc/hosts
fi
print_success "Hostname configured: $SERVER_NAME"
else
print_info "Hostname already set to $SERVER_NAME."
fi
if grep -q "^127.0.1.1" /etc/hosts; then
# Check if the line matches the chosen server name; if not, update it
if ! grep -q "^127.0.1.1.*$SERVER_NAME" /etc/hosts; then
sed -i "s/^127.0.1.1.*/127.0.1.1\t$SERVER_NAME/" /etc/hosts
print_info "Updated /etc/hosts to resolve $SERVER_NAME."
else
print_info "/etc/hosts already resolves $SERVER_NAME correctly."
fi
else
echo "127.0.1.1 $SERVER_NAME" >> /etc/hosts
print_info "Added entry to /etc/hosts for $SERVER_NAME."
fi
log "System configuration completed."
}

2
du_setup.sh.sha256
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@ -1 +1 @@
c43b738b6231ed02427d6c885a9f57d2fd56c4e992ab00ef6a89bd4938caef1a du_setup.sh
d18f20d612eb9d2c8c8faac2cc3bdb6acf7d85860f5a4c93a0953284aa89c820 du_setup.sh