98 lines
2.9 KiB
Bash
Executable File
98 lines
2.9 KiB
Bash
Executable File
#!/bin/bash
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# ============================
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# Colours
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# ============================
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RED="\e[31m"
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GREEN="\e[32m"
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YELLOW="\e[33m"
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BLUE="\e[34m"
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MAGENTA="\e[35m"
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CYAN="\e[36m"
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BOLD="\e[1m"
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RESET="\e[0m"
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line() {
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echo -e "${CYAN}────────────────────────────────────────────────────────${RESET}"
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}
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# ============================
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# DATE HEADER
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# ============================
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echo -e "${BOLD}${MAGENTA}=== System Clean Run: $(date '+%Y-%m-%d %H:%M:%S') ===${RESET}"
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line
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echo -e "${BOLD}${GREEN}=== Ubuntu System Cleanup ===${RESET}"
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line
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# ============================
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# 1. Clean APT cache
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# ============================
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echo -y >/dev/null 2>&1
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sudo apt autoclean -y >/dev/null 2>&1
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sudo apt clean -y >/dev/null 2>&1
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echo -e "${GREEN}✓ APT cache cleaned.${RESET}"
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line
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# ============================
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# 2. Journal logs cleanup
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# ============================
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echo -e "${BOLD}${BLUE}[2/8] Cleaning journal logs (keeping 100MB)...${RESET}"
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echo -e "${CYAN}Current journal disk usage:${RESET}"
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journalctl --disk-usage || true
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sudo journalctl --vacuum-size=100M >/dev/null 2>&1
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echo -e "${GREEN}✓ Journal logs vacuumed.${RESET}"
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line
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# ============================
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# Remove old logs
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# ============================
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echo -e "${BOLD}${BLUE}[3/8] Removing rotated logs...${RESET}"
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sudo find /var/log -type f -name "*.gz" -delete
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sudo find /var/log -type f -name "*.1" -delete
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echo -e "${GREEN}✓ Old log archives removed.${RESET}"
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line
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# ============================
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# 4. Clear /tmp and /var/tmp
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# ============================
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echo -e "${BOLD}${BLUE}[4/8] Clearing temp directories...${RESET}"
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sudo rm -rf /tmp/* /var/tmp/*
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echo -e "${GREEN}✓ Temporary files cleared.${RESET}"
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line
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# ============================
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# 5. Free RAM (cache)
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# ============================
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echo -e "${BOLD}${BLUE}[5/8] Dropping filesystem caches (safe)...${RESET}"
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sync
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echo 3 | sudo tee /proc/sys/vm/drop_caches >/dev/null
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echo -e "${GREEN}✓ RAM caches dropped.${RESET}"
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line
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# ============================
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# 6. Reset failed services
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# ============================
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echo -e "${BOLD}${BLUE}[6/8] Resetting failed systemd units...${RESET}"
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sudo systemctl reset-failed >/dev/null 2>&1
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echo -e "${GREEN}✓ Failed units reset.${RESET}"
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line
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# ============================
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# 7. Disk usage snapshot
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# ============================
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echo -e "${BOLD}${BLUE}[7/8] Largest directories under / ...${RESET}"
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du -h --max-depth=1 / 2>/dev/null | sort -hr | head -n 10
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echo -e "${GREEN}✓ Disk usage shown.${RESET}"
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line
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# ============================
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# 8. CPU usage snapshot
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# ============================
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echo -e "${BOLD}${BLUE}[8/8] Top CPU-consuming processes...${RESET}"
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ps -eo pid,ppid,cmd,%mem,%cpu --sort=-%cpu | head
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echo -e "${GREEN}✓ CPU snapshot shown.${RESET}"
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line
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echo -e "${BOLD}${GREEN}=== Cleanup Complete! ===${RESET}"
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