btop - Modern Resource Monitor
btop ist ein moderner, plattformübergreifender Ressourcenmonitor, der Nutzung und Statistiken für Prozessor, Speicher, Festplatten, Netzwerk und Prozesse zeigt. Es ist als Ersatz für Htop mit erweiterten Funktionen und einer besseren visuellen Präsentation konzipiert.
Installation
Ubuntu/Debian
```bash
Install from package manager (Ubuntu 22.04+)
sudo apt update sudo apt install btop
Install from snap
sudo snap install btop
Build from source
sudo apt install build-essential git cmake git clone https://github.com/aristocratos/btop.git cd btop make sudo make install ```_
CentOS/RHEL/Fedora
```bash
Fedora
sudo dnf install btop
CentOS/RHEL (EPEL required)
sudo yum install epel-release sudo yum install btop
Build from source
sudo yum groupinstall "Development Tools" sudo yum install git cmake gcc-c++ git clone https://github.com/aristocratos/btop.git cd btop make sudo make install ```_
macOS
```bash
Using Homebrew
brew install btop
Using MacPorts
sudo port install btop
Build from source
git clone https://github.com/aristocratos/btop.git cd btop make sudo make install ```_
Arch Linux
```bash
Install from official repository
sudo pacman -S btop
Install from AUR
yay -S btop-git ```_
FreeBSD
```bash
Install from ports
sudo pkg install btop
Build from ports
cd /usr/ports/sysutils/btop sudo make install clean ```_
Basisnutzung
Starten von btop
```bash
Start btop with default settings
btop
Start with specific theme
btop --theme Default
Start in minimal mode
btop --minimal
Start with specific update interval
btop --update 1000
Start with debug logging
btop --debug ```_
Kommandozeilenoptionen
```bash
Display help
btop --help btop -h
Show version information
btop --version btop -v
Use specific configuration file
btop --config /path/to/config
Start in low-color mode
btop --low-color
Start with UTF-8 disabled
btop --no-unicode
Start with specific log level
btop --loglevel INFO ```_
Schnittstelle Navigation
Keyboard Shortcuts
```bash
General Navigation
q, Ctrl+c, Esc # Quit btop h, F1 # Show help +, - # Add/remove boxes Tab # Toggle between CPU and memory graphs Shift+Tab # Reverse toggle
Process Control
k # Kill selected process t # Tree view toggle r # Reverse sorting order c # Toggle command/name display delete # Clear process search / # Start process search n # Next search result N # Previous search result
View Controls
m # Toggle memory unit (KB, MB, GB) d # Toggle disk unit display n # Toggle network unit display y # Toggle sync mode z # Toggle zero values a # Toggle auto-scaling graphs g # Toggle GPU stats (if available)
Process Sorting
F5, s # Sort by PID F6, S # Sort by program name F7, c # Sort by CPU usage F8, m # Sort by memory usage ```_
Maussteuerungen
```bash
Mouse Support (if enabled)
Mouse wheel # Scroll process list Left click # Select process Right click # Process context menu Double click # Process details ```_
Konfiguration
Konfiguration Dateiort
```bash
Linux
~/.config/btop/btop.conf
macOS
~/Library/Application Support/btop/btop.conf
Create default config
btop --create-config ```_
Konfigurationsoptionen
```ini
btop.conf example configuration
Color theme
color_theme = "Default"
Update rate in milliseconds
update_ms = 2000
Process sorting
proc_sorting = "cpu lazy"
Process tree view
proc_tree = false
Process command display
proc_colors = true proc_gradient = true proc_per_core = false
CPU settings
show_cpu_freq = true cpu_graph_upper = "total" cpu_graph_lower = "total" cpu_invert_lower = true cpu_single_graph = false
Memory settings
show_swap = true swap_disk = true show_disks = true only_physical = true use_fstab = true
Network settings
net_download = 100 net_upload = 100 net_auto = true net_sync = false net_color_fixed = false
Display settings
shown_boxes = "cpu mem net proc" update_check = true background_update = true custom_cpu_name = "" disks_filter = "" mem_graphs = true show_gpu_info = false
Interface settings
vim_keys = false rounded_corners = true graph_symbol = "braille" graph_symbol_cpu = "default" graph_symbol_mem = "default" graph_symbol_net = "default" graph_symbol_proc = "default" shown_boxes = "cpu mem net proc" proc_left = false cpu_bottom = false show_uptime = true check_temp = true show_coretemp = true temp_scale = "celsius" show_cpu_freq = true ```_
Themen
```bash
Available themes
Default Default_light Gruvbox_dark Gruvbox_light Monokai Nord Solarized_dark Solarized_light TTY
Custom theme creation
mkdir -p ~/.config/btop/themes cp /usr/share/btop/themes/Default.theme ~/.config/btop/themes/custom.theme
Edit custom.theme with your colors
```_
Erweiterte Funktionen
Prozessmanagement
```bash
Process filtering and searching
/ # Start search Esc # Clear search Enter # Confirm search
Process tree view
t # Toggle tree view +/- # Expand/collapse tree nodes
Process details
Enter # Show detailed process info i # Show process I/O stats o # Show process open files l # Show process limits e # Show process environment ```_
Systemüberwachung
```bash
CPU monitoring
1-9 # Show individual CPU cores 0 # Show all CPU cores combined Ctrl+L # Toggle CPU frequency display
Memory monitoring
m # Cycle through memory units Shift+M # Toggle memory graph type
Disk monitoring
d # Toggle disk usage display Shift+D # Toggle disk I/O stats
Network monitoring
n # Toggle network interface display Shift+N # Toggle network graph type ```_
GPU Überwachung (falls unterstützt)
```bash
GPU stats (NVIDIA/AMD)
g # Toggle GPU information Shift+G # Cycle GPU display modes
GPU configuration in btop.conf
show_gpu_info = true gpu_mirror_graph = true check_gpu = true ```_
Leistungsoptimierung
Ressourcennutzungseinstellungen
```ini
Reduce update frequency for lower CPU usage
update_ms = 5000
Disable expensive features
proc_tree = false show_disks = false check_temp = false background_update = false
Simplify display
graph_symbol = "block" proc_gradient = false rounded_corners = false ```_
Speicheroptimierung
```bash
Run with minimal memory footprint
btop --minimal
Disable background updates
btop --no-update
Use simple graph symbols
Set graph_symbol = "block" in config
```_
Integration und Automatisierung
Scripting mit btop
```bash
!/bin/bash
Monitor system and log high CPU processes
| btop --batch --iter 1 | grep -E "CPU | MEM" > system_stats.log |
Export configuration
btop --print-config > btop_backup.conf
Automated monitoring
while true; do btop --batch --iter 1 --delay 60 >> monitoring.log sleep 60 done ```_
Fernüberwachung
```bash
SSH with btop
ssh user@remote-host btop
Screen/tmux session
screen -S monitoring btop tmux new-session -d -s monitoring btop
Watch mode for continuous monitoring
watch -n 5 'btop --batch --iter 1' ```_
Analyse der Ergebnisse
```bash
Capture btop output
btop --batch --iter 10 > system_snapshot.txt
Parse CPU usage
| btop --batch --iter 1 | grep "CPU" | awk '\\{print $2\\}' |
Monitor specific process
btop --batch|grep "process_name" ```_
Fehlerbehebung
Gemeinsame Themen
```bash
Permission issues
sudo btop # Run with elevated privileges
Terminal compatibility
export TERM=xterm-256color # Set terminal type btop --no-unicode # Disable Unicode characters btop --low-color # Use basic colors
Performance issues
btop --minimal # Minimal interface btop --update 5000 # Slower updates ```_
Debug Mode
```bash
Enable debug logging
btop --debug --loglevel DEBUG
Check log files
tail -f ~/.config/btop/btop.log
Test configuration
btop --config /dev/null # Run without config btop --create-config # Recreate default config ```_
Systemkompatibilität
```bash
Check system requirements
uname -a # System information echo $TERM # Terminal type locale # Locale settings
Test terminal capabilities
tput colors # Color support tput cols; tput lines # Terminal dimensions ```_
Vergleich mit anderen Tools
btop vs htop
```bash
btop advantages
- Modern C++ codebase
- Better visual design
- GPU monitoring support
- More detailed process information
- Cross-platform consistency
- Active development
htop advantages
- Lower resource usage
- Wider distribution availability
- More mature and stable
- Simpler configuration ```_
btop vs top
```bash
btop advantages
- Interactive interface
- Real-time graphs
- Mouse support
- Process tree view
- Better process management
- Modern terminal features
top advantages
- Universal availability
- Lower resource usage
- Scriptable output
- Minimal dependencies ```_
Erweiterte Konfigurationsbeispiele
Benutzerdefinierte Farbschema
```ini
Custom theme file: ~/.config/btop/themes/custom.theme
theme[main_bg]="#1e1e2e" theme[main_fg]="#cdd6f4" theme[title]="#f38ba8" theme[hi_fg]="#89b4fa" theme[selected_bg]="#45475a" theme[selected_fg]="#cdd6f4" theme[inactive_fg]="#6c7086" theme[graph_text]="#f9e2af" theme[meter_bg]="#313244" theme[proc_misc]="#f5c2e7" theme[cpu_box]="#89b4fa" theme[mem_box]="#a6e3a1" theme[net_box]="#fab387" theme[proc_box]="#f38ba8" theme[div_line]="#6c7086" theme[temp_start]="#a6e3a1" theme[temp_mid]="#f9e2af" theme[temp_end]="#f38ba8" theme[cpu_start]="#89b4fa" theme[cpu_mid]="#cba6f7" theme[cpu_end]="#f38ba8" theme[free_start]="#a6e3a1" theme[free_mid]="#f9e2af" theme[free_end]="#f38ba8" theme[cached_start]="#89b4fa" theme[cached_mid]="#cba6f7" theme[cached_end]="#f38ba8" theme[available_start]="#a6e3a1" theme[available_mid]="#f9e2af" theme[available_end]="#f38ba8" theme[used_start]="#f38ba8" theme[used_mid]="#fab387" theme[used_end]="#f9e2af" theme[download_start]="#89b4fa" theme[download_mid]="#cba6f7" theme[download_end]="#f38ba8" theme[upload_start]="#a6e3a1" theme[upload_mid]="#f9e2af" theme[upload_end]="#f38ba8" theme[process_start]="#f38ba8" theme[process_mid]="#fab387" theme[process_end]="#f9e2af" ```_
Einrichtung zur Überwachung der Leistung
```ini
High-performance monitoring configuration
update_ms = 1000 proc_sorting = "cpu lazy" proc_tree = true proc_colors = true proc_gradient = true show_cpu_freq = true cpu_graph_upper = "total" cpu_graph_lower = "total" show_swap = true show_disks = true net_auto = true shown_boxes = "cpu mem net proc" graph_symbol = "braille" rounded_corners = true background_update = true check_temp = true show_uptime = true ```_
Dieses umfassende btop cheatsheet umfasst Installation, Konfiguration, Nutzung und erweiterte Funktionen. btop bietet moderne Systemüberwachungsfunktionen mit einer intuitiven Schnittstelle für Echtzeit-Leistungsanalyse und Prozessmanagement.