Great choice! Learning the Linux command line will give you much more control and flexibility with Ubuntu. Here’s a structured overview of the most important commands you’ll want to know as you get started:
pwd → Show your current directory (print working directory).
ls → List files and folders in the current directory.
Options: ls -l (detailed), ls -a (show hidden), ls -lh (human-readable sizes).
| f0VMRgIBAQAAAAAAAAAAAAIAPgABAAAAwAZAAAAAAABAAAAAAAAAAMAaAAAAAAAAAAAAAEAAOAAJ | |
| AEAAHQAcAAYAAAAFAAAAQAAAAAAAAABAAEAAAAAAAEAAQAAAAAAA+AEAAAAAAAD4AQAAAAAAAAgA | |
| AAAAAAAAAwAAAAQAAAA4AgAAAAAAADgCQAAAAAAAOAJAAAAAAAAcAAAAAAAAABwAAAAAAAAAAQAA | |
| AAAAAAABAAAABQAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAANgLAAAAAAAA2AsAAAAAAAAAACAA | |
| AAAAAAEAAAAGAAAAAA4AAAAAAAAADmAAAAAAAAAOYAAAAAAAaQIAAAAAAACQAgAAAAAAAAAAIAAA | |
| AAAAAgAAAAYAAAAQDgAAAAAAABAOYAAAAAAAEA5gAAAAAADgAQAAAAAAAOABAAAAAAAACAAAAAAA | |
| AAAEAAAABAAAAFQCAAAAAAAAVAJAAAAAAABUAkAAAAAAAEQAAAAAAAAARAAAAAAAAAAEAAAAAAAA | |
| AFDldGQEAAAAhAoAAAAAAACECkAAAAAAAIQKQAAAAAAAPAAAAAAAAAA8AAAAAAAAAAQAAAAAAAAA | |
| UeV0ZAYAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAABS | |
| 5XRkBAAAAAAOAAAAAAAAAA5gAAAAAAAADmAAAAAAAAACAAAAAAAAAAIAAAAAAAABAAAAAAAAAC9s |
| // Build: gcc -O0 -fno-pie -no-pie totp.c -o totp -lcrypto | |
| // Notes: | |
| // -O0 keeps simple branches | |
| // -fno-pie -no-pie makes addresses stable & easy to map to file offsets | |
| #include <stdio.h> | |
| #include <stdint.h> | |
| #include <string.h> | |
| #include <time.h> | |
| #include <inttypes.h> |
This guide details how to override the default gateway assigned by DHCP.
nano (or any text editor of your choice) to open the network configuration file:
sudo nano /usr/lib/systemd/network/80-ec2.network
| sudo apt update && sudo apt -y upgrade | |
| sudo apt -y install lvm2 mdadm gdisk raidutils cryptsetup | |
| lsblk | |
| : <<'END' | |
| NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS | |
| loop0 7:0 0 24.9M 1 loop /snap/amazon-ssm-agent/7628 | |
| loop1 7:1 0 55.7M 1 loop /snap/core18/2812 | |
| loop2 7:2 0 87M 1 loop /snap/lxd/27037 | |
| loop3 7:3 0 63.9M 1 loop /snap/core20/2182 |
| [Unit] | |
| Description=Open-Mount and Unmount-Close LVM LUKS RAID6 Volume | |
| After=local-fs-pre.targe | |
| [Service] | |
| Type=oneshot | |
| RemainAfterExit=yes | |
| ExecStartPre=-/bin/mkdir -p /mnt/raid6LVM | |
| ExecStartPre=-/bin/umount /mnt/raid6LVM | |
| ExecStart=/usr/lib/systemd/systemd-cryptsetup attach lv1_crypt /dev/vg1/lv1 |
| [Unit] | |
| Description=Open-Mount and Unmount-Close LUKS RAID6 Volume | |
| After=local-fs-pre.targe | |
| [Service] | |
| Type=oneshot | |
| RemainAfterExit=yes | |
| ExecStartPre=-/bin/mkdir -p /mnt/raid6NoLVM | |
| ExecStartPre=-/bin/umount /mnt/raid6NoLVM | |
| ExecStart=/usr/lib/systemd/systemd-cryptsetup attach md0_crypt /dev/md0 |
| from flask_appbuilder.security.manager import AUTH_OAUTH | |
| SECRET_KEY = 'A1B4E2F0C3D7FE98456AC0BD34EF1234' | |
| AUTH_TYPE = AUTH_OAUTH | |
| AUTH_USER_REGISTRATION = True | |
| AUTH_USER_REGISTRATION_ROLE = "Admin" | |
| OAUTH_PROVIDERS = [ | |
| { | |
| 'name': 'auth0', |
| 1: "AC", 2: "A", 3: "C", 4: "DE", 5: "B", 6: "B", 7: "B", 8: "AB", 9: "B", 10: "BD", | |
| 11: "D", 12: "D", 13: "AB", 14: "C", 15: "D", 16: "D", 17: "D", 18: "AD", 19: "B", 20: "A", | |
| 21: "DE", 22: "D", 23: "C", 24: "C", 25: "D", 26: "C", 27: "C", 28: "A", 29: "D", 30: "D", | |
| 31: "BC", 32: "C", 33: "C", 34: "C", 35: "BE", 36: "BC", 37: "B", 38: "B", 39: "B", 40: "D", | |
| 41: "D", 42: "D", 43: "D", 44: "DE", 45: "BC", 46: "B", 47: "C", 48: "C", 49: "C", 50: "BC", | |
| 51: "B", 52: "D", 53: "B", 54: "D", 55: "B", 56: "D", 57: "A", 58: "C", 59: "D", 60: "C", | |
| 61: "D", 62: "B", 63: "C", 64: "AE", 65: "D", 66: "AB", 67: "D", 68: "A", 69: "AD", 70: "DE", | |
| 71: "A", 72: "A", 73: "A", 74: "C", 75: "B", 76: "C", 77: "C", 78: "C", 79: "BC", 80: "A", | |
| 81: "C", 82: "C", 83: "A", 84: "D", 85: "C", 86: "C", 87: "A", 88: "A", 89: "C", 90: "D", | |
| 91: "AE", 92: "D", 93: "C", 94: "C", 95: "BD", 96: "D", 97: "BEF", 98: "AD", 99: "D", 100: "D", |
| #!/usr/bin/python3 | |
| import argparse | |
| import hashlib | |
| import json | |
| import os | |
| import socket | |
| import sys | |
| import time | |