349 lines
14 KiB
Bash
349 lines
14 KiB
Bash
# ============================================================================
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# Systemd Integration for Arch/CachyOS
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# ============================================================================
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# Quick shortcuts and helpers for systemd service management
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#
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# Commands:
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# sc <args> - sudo systemctl
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# scu <args> - systemctl --user
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# scr <service> - restart and show status
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# sce <service> - enable and start
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# scd <service> - disable and stop
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# sclog <service> - follow journal logs
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# sc-failed - show failed services
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# sc-timers - show active timers
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# sc-recent - recently started services
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# sc-boot - boot time analysis
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# ============================================================================
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# Source shared colors (with fallback)
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source "${0:A:h}/../lib/colors.zsh" 2>/dev/null || \
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source "$HOME/.dotfiles/zsh/lib/colors.zsh" 2>/dev/null || {
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typeset -g DF_GREEN=$'\033[0;32m' DF_YELLOW=$'\033[1;33m'
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typeset -g DF_RED=$'\033[0;31m' DF_BLUE=$'\033[0;34m'
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typeset -g DF_CYAN=$'\033[0;36m' DF_NC=$'\033[0m'
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}
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# ============================================================================
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# Core Systemctl Shortcuts
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# ============================================================================
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# System-level systemctl (with sudo)
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sc() {
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sudo systemctl "$@"
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}
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# User-level systemctl
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scu() {
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systemctl --user "$@"
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}
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# Restart service and show status
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scr() {
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local service="$1"
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[[ -z "$service" ]] && { echo "Usage: scr <service>"; return 1; }
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echo -e "${DF_BLUE}==>${DF_NC} Restarting ${service}..."
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if sudo systemctl restart "$service"; then
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echo -e "${DF_GREEN}✓${DF_NC} Restarted successfully"
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echo ""
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sudo systemctl status "$service" --no-pager -l
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else
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echo -e "${DF_RED}✗${DF_NC} Failed to restart ${service}"
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return 1
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fi
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}
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# Enable and start service
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sce() {
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local service="$1"
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[[ -z "$service" ]] && { echo "Usage: sce <service>"; return 1; }
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echo -e "${DF_BLUE}==>${DF_NC} Enabling and starting ${service}..."
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if sudo systemctl enable --now "$service"; then
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echo -e "${DF_GREEN}✓${DF_NC} ${service} enabled and started"
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sudo systemctl status "$service" --no-pager -l | head -15
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else
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echo -e "${DF_RED}✗${DF_NC} Failed to enable ${service}"
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return 1
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fi
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}
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# Disable and stop service
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scd() {
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local service="$1"
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[[ -z "$service" ]] && { echo "Usage: scd <service>"; return 1; }
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echo -e "${DF_BLUE}==>${DF_NC} Disabling and stopping ${service}..."
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if sudo systemctl disable --now "$service"; then
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echo -e "${DF_GREEN}✓${DF_NC} ${service} disabled and stopped"
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else
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echo -e "${DF_RED}✗${DF_NC} Failed to disable ${service}"
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return 1
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fi
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}
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# Follow journal logs for a service
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sclog() {
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local service="$1"
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local lines="${2:-50}"
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[[ -z "$service" ]] && { echo "Usage: sclog <service> [lines]"; return 1; }
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echo -e "${DF_BLUE}==>${DF_NC} Following logs for ${service} (Ctrl+C to exit)..."
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sudo journalctl -xeu "$service" -f -n "$lines"
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}
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# Show recent logs for a service (without follow)
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sclogs() {
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local service="$1"
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local lines="${2:-50}"
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[[ -z "$service" ]] && { echo "Usage: sclog <service> [lines]"; return 1; }
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sudo journalctl -xeu "$service" -n "$lines" --no-pager
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}
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# ============================================================================
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# Service Status Commands
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# ============================================================================
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# Show failed services (system and user)
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sc-failed() {
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echo -e "${DF_BLUE}╔════════════════════════════════════════════════════════════╗${DF_NC}"
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echo -e "${DF_BLUE}║${DF_NC} Failed Services ${DF_BLUE}║${DF_NC}"
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echo -e "${DF_BLUE}╚════════════════════════════════════════════════════════════╝${DF_NC}"
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echo -e "\n${DF_CYAN}System Services:${DF_NC}"
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local sys_failed=$(systemctl --failed --no-pager --no-legend 2>/dev/null)
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if [[ -z "$sys_failed" ]]; then
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echo -e " ${DF_GREEN}✓${DF_NC} No failed system services"
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else
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echo "$sys_failed" | sed 's/^/ /'
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fi
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echo -e "\n${DF_CYAN}User Services:${DF_NC}"
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local user_failed=$(systemctl --user --failed --no-pager --no-legend 2>/dev/null)
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if [[ -z "$user_failed" ]]; then
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echo -e " ${DF_GREEN}✓${DF_NC} No failed user services"
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else
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echo "$user_failed" | sed 's/^/ /'
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fi
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echo ""
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}
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# Show active timers
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sc-timers() {
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echo -e "${DF_BLUE}╔════════════════════════════════════════════════════════════╗${DF_NC}"
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echo -e "${DF_BLUE}║${DF_NC} Active Timers ${DF_BLUE}║${DF_NC}"
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echo -e "${DF_BLUE}╚════════════════════════════════════════════════════════════╝${DF_NC}"
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echo -e "\n${DF_CYAN}System Timers:${DF_NC}"
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systemctl list-timers --no-pager | head -20
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echo -e "\n${DF_CYAN}User Timers:${DF_NC}"
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systemctl --user list-timers --no-pager 2>/dev/null | head -10
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echo ""
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}
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# Show recently started/stopped services
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sc-recent() {
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local count="${1:-15}"
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echo -e "${DF_BLUE}╔════════════════════════════════════════════════════════════╗${DF_NC}"
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echo -e "${DF_BLUE}║${DF_NC} Recent Service Activity ${DF_BLUE}║${DF_NC}"
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echo -e "${DF_BLUE}╚════════════════════════════════════════════════════════════╝${DF_NC}"
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echo -e "\n${DF_CYAN}Recently Started:${DF_NC}"
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systemctl list-units --type=service --state=running --no-pager --no-legend | \
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head -"$count" | awk '{print " " $1}'
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echo -e "\n${DF_CYAN}Recent Journal (services):${DF_NC}"
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journalctl -p 3 -xb --no-pager | tail -"$count" | sed 's/^/ /'
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echo ""
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}
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# Boot time analysis
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sc-boot() {
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echo -e "${DF_BLUE}╔════════════════════════════════════════════════════════════╗${DF_NC}"
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echo -e "${DF_BLUE}║${DF_NC} Boot Time Analysis ${DF_BLUE}║${DF_NC}"
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echo -e "${DF_BLUE}╚════════════════════════════════════════════════════════════╝${DF_NC}"
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echo -e "\n${DF_CYAN}Boot Summary:${DF_NC}"
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systemd-analyze
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echo -e "\n${DF_CYAN}Slowest Services (top 10):${DF_NC}"
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systemd-analyze blame --no-pager | head -10 | sed 's/^/ /'
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echo -e "\n${DF_CYAN}Critical Chain:${DF_NC}"
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systemd-analyze critical-chain --no-pager 2>/dev/null | head -15 | sed 's/^/ /'
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echo ""
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}
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# ============================================================================
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# Service Search and Info
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# ============================================================================
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# Search for services by name
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sc-search() {
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local query="$1"
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[[ -z "$query" ]] && { echo "Usage: sc-search <query>"; return 1; }
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echo -e "${DF_BLUE}==>${DF_NC} Searching for services matching: ${query}"
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echo ""
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systemctl list-unit-files --type=service --no-pager | grep -i "$query"
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}
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# Show detailed service info
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sc-info() {
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local service="$1"
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[[ -z "$service" ]] && { echo "Usage: sc-info <service>"; return 1; }
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echo -e "${DF_BLUE}╔════════════════════════════════════════════════════════════╗${DF_NC}"
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echo -e "${DF_BLUE}║${DF_NC} Service Info: ${service}"
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echo -e "${DF_BLUE}╚════════════════════════════════════════════════════════════╝${DF_NC}"
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echo -e "\n${DF_CYAN}Status:${DF_NC}"
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systemctl status "$service" --no-pager -l 2>/dev/null || \
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sudo systemctl status "$service" --no-pager -l
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echo -e "\n${DF_CYAN}Unit File:${DF_NC}"
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systemctl cat "$service" 2>/dev/null | head -30
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echo ""
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}
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# ============================================================================
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# Quick Status for MOTD Integration
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# ============================================================================
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# Get count of failed services (for MOTD/prompt)
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_systemd_failed_count() {
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local count=$(systemctl --failed --no-pager --no-legend 2>/dev/null | wc -l)
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echo "$count"
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}
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# Check if a service is active (for scripts)
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_systemd_is_active() {
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local service="$1"
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systemctl is-active --quiet "$service" 2>/dev/null
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}
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# Check if a service is enabled (for scripts)
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_systemd_is_enabled() {
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local service="$1"
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systemctl is-enabled --quiet "$service" 2>/dev/null
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}
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# ============================================================================
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# Interactive Service Management (requires fzf)
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# ============================================================================
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if command -v fzf &>/dev/null; then
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# Interactive service selector
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scf() {
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local service=$(systemctl list-units --type=service --no-pager --no-legend | \
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awk '{print $1, $2, $3, $4}' | \
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fzf --height=50% --layout=reverse --border=rounded \
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--prompt='Service > ' \
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--preview='systemctl status {1} --no-pager' \
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--preview-window=right:50%:wrap | \
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awk '{print $1}')
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if [[ -n "$service" ]]; then
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echo -e "${DF_BLUE}Selected:${DF_NC} $service"
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echo ""
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echo "Actions: [s]tatus [r]estart [o]stop [l]ogs [e]nable [d]isable [q]uit"
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read -k 1 "action?Action: "
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echo ""
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case "$action" in
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s) sudo systemctl status "$service" --no-pager -l ;;
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r) scr "$service" ;;
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o) sudo systemctl stop "$service" ;;
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l) sclog "$service" ;;
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e) sce "$service" ;;
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d) scd "$service" ;;
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q) return 0 ;;
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*) echo "Unknown action" ;;
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esac
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fi
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}
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# Interactive log viewer
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sclogf() {
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local service=$(systemctl list-units --type=service --no-pager --no-legend | \
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awk '{print $1}' | \
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fzf --height=40% --layout=reverse --prompt='Service logs > ')
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[[ -n "$service" ]] && sclog "$service"
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}
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fi
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# ============================================================================
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# Aliases
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# ============================================================================
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alias scs='sc status'
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alias scstart='sc start'
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alias scstop='sc stop'
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alias screload='sc daemon-reload'
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alias scmask='sc mask'
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alias scunmask='sc unmask'
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# Journal shortcuts
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alias jctl='journalctl'
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alias jctlf='journalctl -f'
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alias jctlb='journalctl -b'
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alias jctlerr='journalctl -p err -b'
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# ============================================================================
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# Help
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# ============================================================================
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sc-help() {
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echo -e "${DF_BLUE}╔════════════════════════════════════════════════════════════╗${DF_NC}"
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echo -e "${DF_BLUE}║${DF_NC} Systemd Helper Commands ${DF_BLUE}║${DF_NC}"
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echo -e "${DF_BLUE}╚════════════════════════════════════════════════════════════╝${DF_NC}"
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cat << 'EOF'
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Core Commands:
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sc <args> sudo systemctl <args>
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scu <args> systemctl --user <args>
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scr <service> Restart and show status
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sce <service> Enable and start (--now)
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scd <service> Disable and stop (--now)
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sclog <service> Follow journal logs (-f)
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scogs <service> Show recent logs (no follow)
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Status Commands:
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sc-failed Show failed services
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sc-timers Show active timers
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sc-recent Recently started services
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sc-boot Boot time analysis
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sc-search <query> Search services by name
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sc-info <service> Detailed service info
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Interactive (requires fzf):
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scf Interactive service manager
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sclogf Interactive log viewer
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Aliases:
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scs sc status
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scstart sc start
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scstop sc stop
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screload sc daemon-reload
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Journal:
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jctl journalctl
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jctlf journalctl -f
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jctlb journalctl -b (current boot)
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jctlerr journalctl -p err -b
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EOF
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}
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