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improved memory and system updates logic in .bashrc

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buildplan
2025-10-22 13:21:00 +01:00
committed by GitHub
parent a0d02299e4
commit 9dce08b7db
1 changed files with 27 additions and 9 deletions
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36
du_setup.sh
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@@ -1,8 +1,9 @@
#!/bin/bash
# Debian and Ubuntu Server Hardening Interactive Script
# Version: 0.72 | 2025-10-20
# Version: 0.73 | 2025-10-22
# Changelog:
# - v0.73: Revised/improved logic in .bashrc for memory and system updates.
# - v0.72: Added configure_custom_bashrc() function that creates and installs a feature-rich .bashrc file during user creation.
# - v0.71: Simplify test backup function to work reliably with Hetzner storagebox
# - v0.70.1: Fix SSH port validation and improve firewall handling during SSH port transitions.
@@ -76,7 +77,7 @@
set -euo pipefail
# --- Update Configuration ---
CURRENT_VERSION="0.72"
CURRENT_VERSION="0.73"
SCRIPT_URL="https://raw.githubusercontent.com/buildplan/du_setup/refs/heads/main/du_setup.sh"
CHECKSUM_URL="${SCRIPT_URL}.sha256"
@@ -227,7 +228,7 @@ print_header() {
printf '%s\n' "${CYAN}╔═════════════════════════════════════════════════════════════════╗${NC}"
printf '%s\n' "${CYAN}║ ║${NC}"
printf '%s\n' "${CYAN}║ DEBIAN/UBUNTU SERVER SETUP AND HARDENING SCRIPT ║${NC}"
printf '%s\n' "${CYAN}║ v0.72 | 2025-10-20 ║${NC}"
printf '%s\n' "${CYAN}║ v0.73 | 2025-10-22 ║${NC}"
printf '%s\n' "${CYAN}║ ║${NC}"
printf '%s\n' "${CYAN}╚═════════════════════════════════════════════════════════════════╝${NC}"
printf '\n'
@@ -1410,7 +1411,13 @@ sysinfo() {
printf "${CYAN}%-15s${RESET} %s\n" "Uptime:" "$(uptime -p 2>/dev/null || uptime | sed 's/.*up //' | sed 's/,.*//')"
printf "${CYAN}%-15s${RESET} %s\n" "Server time:" "$(date '+%Y-%m-%d %H:%M:%S %Z')"
printf "${CYAN}%-15s${RESET} %s\n" "CPU:" "$cpu_info"
printf "${CYAN}%-15s${RESET} %s\n" "Memory:" "$(free -h | awk '/^Mem:/ {printf "%s / %s (%d%% used)", $3, $2, $3/$2*100}')"
printf "${CYAN}%-15s${RESET} " "Memory:"
free -m | awk '/Mem/ {
used = $3; total = $2; percent = int((used/total)*100);
if (used >= 1024) { used_fmt = sprintf("%.1fGi", used/1024); } else { used_fmt = sprintf("%dMi", used); }
if (total >= 1024) { total_fmt = sprintf("%.1fGi", total/1024); } else { total_fmt = sprintf("%dMi", total); }
printf "%s / %s (%d%% used)\n", used_fmt, total_fmt, percent;
}'
printf "${CYAN}%-15s${RESET} %s\n" "Disk (/):" "$(df -h / | awk 'NR==2 {print $3 " / " $2 " (" $5 " used)"}')"
# --- Reboot Status ---
@@ -1425,14 +1432,25 @@ sysinfo() {
local total security
local upgradable_all upgradable_list security_list
if [ -x /usr/lib/update-notifier/apt-check ]; then
IFS=';' read -r total security < <(/usr/lib/update-notifier/apt-check 2>/dev/null)
elif [ -r /var/lib/update-notifier/updates-available ]; then
total=$(awk '/packages can be updated/ {print $1}' /var/lib/update-notifier/updates-available)
security=$(awk '/security updates/ {print $1}' /var/lib/update-notifier/updates-available)
else
local apt_check_output
apt_check_output=$(/usr/lib/update-notifier/apt-check 2>/dev/null)
if [ -n "$apt_check_output" ]; then
total="${apt_check_output%%;*}"
security="${apt_check_output##*;}"
fi
fi
# Fallback if apt-check didn't provide values
if [ -z "$total" ] && [ -r /var/lib/update-notifier/updates-available ]; then
total=$(awk '/[0-9]+ (update|package)s? can be (updated|applied|installed)/ {print $1; exit}' /var/lib/update-notifier/updates-available 2>/dev/null)
security=$(awk '/[0-9]+ (update|package)s? .*security/ {print $1; exit}' /var/lib/update-notifier/updates-available 2>/dev/null)
fi
# Final fallback
if [ -z "$total" ]; then
total=$(apt list --upgradable 2>/dev/null | grep -c upgradable)
security=$(apt list --upgradable 2>/dev/null | grep -ci security)
fi
total="${total:-0}"
security="${security:-0}"
if [ -n "$total" ] && [ "$total" -gt 0 ] 2>/dev/null; then
printf "${CYAN}%-15s${RESET} " "Updates:"