Merubah Shell Prompt
Prompt standar pada terminal dapat di rubah dengan memodifikasi salah satu variable environment yaitu PS1. Perhatikan contoh dibawah ini:
Penjelasan untuk masing-masing variable di baris export PS1=”\u \h \w\$” adalah sebagai berikut:
Menggunakan Fungsi History
Bash Shell standar seharusnya sudah dilengkapi dengan fungsi history, yang merekam setiap command yang pernah dieksekusi dalam sebuah database dan bisa dipanggil kembali dengan menggunakan command history. Disini akan ditunjukkan bagaimana cara penggunaannya.
Silahkan akses terminal anda (Bash Shell anda), kemudian lakukan
Filename Auto-Completion
Ketika kita menjalankan sebuah command, kita tidak harus mengetikkan command secara lengkap. Hal ini akan menghemat banyak waktu dan effort, dan juga mencegah kesalahan pengetikan (typos).
Tombol Tab dapat digunakan untuk memanfaatkan fitur auto-completion ini. Perhatikan screenshot di bawah ini:
Di bawah ini kelanjutan dari command line cheatsheet Part. 1.
System Commands
| Command | Description |
|---|---|
| uname -a | Show system and kernel |
| head -n1 /etc/issue | Show distribution |
| date | Show system date |
| uptime | Show system uptime |
| whoami | Show your username |
| w | Display who is online |
| man command | Show manual for command |
| mount | Show mounted filesystems |
| mount -o loop cdrom.iso /mnt/dir | mount cdrom.iso at /mnt/dir |
| cat /proc/partitions | Show all partitions registered on the system |
| grep MemTotal /proc/meminfo | Show RAM total seen by the system |
| grep "model name" /proc/cpuinfo | Show CPU(s) info lspci -tv - Show PCI info |
| lsusb -tv | Show USB info |
| !! | Repeat the last command |
| exit | Log out of current session |
Process Management
| Command | Description |
|---|---|
| ps | Show snapshot of processes |
| top | Show real time processes |
| kill pid | Kill process with id pid |
| pkill name | Kill process with name name |
| killall name | Kill all processes with names beginning name |
Keyboard Shortcuts
| Command | Description |
|---|---|
| Ctrl + Shift + c | Copy a highlighted text |
| Ctrl + c | Stop current command |
| Ctrl + Shift + v | Paste a copied text |
| Ctrl + r | Start a search |
| Ctrl + u | Cut from start of line |
| Ctrl + z | Sleep program |
| Ctrl + k | Cut to end of line |
| Ctrl + a | Go to start of line |
| Ctrl + e | Go to end of line |
SSH
| Command | Description |
|---|---|
| ssh $USER@$HOST | Connect to $Host as $USER |
| ssh $USER@$HOST command | Run command on $HOST as $USER |
| ssh $USER@$HOST -p 1234 | Connect to $HOST as $USER on port 1234 |
| scp file1 $USER@$HOST:file1 | Secure copy file1 from local machine to file1 at remote $HOST |
| scp $USER@$HOST:file1 file1 | Secure copy file1 from remote $HOST to file1 at local machine |
| scp -r foo $USER@$HOST:/bar | Secure copy the folder foo from local machine to the folder bar at remote $HOST |
Package Installation
| Command | Description |
|---|---|
| dpkg -i package.deb | Install a deb package |
| rpm -Uvh package.rpm | Install a rpm package |
Disk Space
| Command | Description |
|---|---|
| df -h | Show free space on mounted filesystems |
| df -i | Show free inodes on mounted filesystems |
| du -h folder | Show file usage of each folder in folder |
| du -sh folder | Show the total file size of folder |
| fdisk -l | Show disks partitions sizes and types (run as root) |
| free | Show memory and swap usage |
