| # Write a program that tells you the following: | |
| # | |
| # Hours in a year. How many hours are in a year? - 6pts | |
| # Minutes in a decade. How many minutes are in a decade? - 6pts | |
| # Your age in seconds. How many seconds old are you? - 6pts | |
| # | |
| # Define at least the following methods to accomplish these tasks: | |
| # | |
| # seconds_in_minutes(1) #=> 60 - 3pts | |
| # minutes_in_hours(1) #=> 60 - 3pts |
| puts "What is your favorite number?" | |
| num = gets.chomp | |
| better = num.to_i + 1 | |
| puts "Your favorite number is okay, here is a bigger, better favorite number: " + better.to_s + '.' |
| #!/bin/bash | |
| user_name="$1" | |
| echo "Removing user: ${user_name}" | |
| echo "Deleting Access Keys:" | |
| keys=("$(aws iam list-access-keys --user-name "${user_name}" | jq -r '.AccessKeyMetadata[] | .AccessKeyId')") | |
| if [[ "${#keys}" -gt "0" ]]; then | |
| # shellcheck disable=SC2068 |
A curated list of AWS resources to prepare for the AWS Certifications
A curated list of awesome AWS resources you need to prepare for the all 5 AWS Certifications. This gist will include: open source repos, blogs & blogposts, ebooks, PDF, whitepapers, video courses, free lecture, slides, sample test and many other resources.
| deb http://archive.ubuntu.com/ubuntu/ focal main restricted universe multiverse | |
| deb-src http://archive.ubuntu.com/ubuntu/ focal main restricted universe multiverse | |
| deb http://archive.ubuntu.com/ubuntu/ focal-updates main restricted universe multiverse | |
| deb-src http://archive.ubuntu.com/ubuntu/ focal-updates main restricted universe multiverse | |
| deb http://archive.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse | |
| deb-src http://archive.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse | |
| deb http://archive.ubuntu.com/ubuntu/ focal-backports main restricted universe multiverse |
| cd ~/Downloads | |
| # Install curl to get GPG keys | |
| sudo apt install -y curl | |
| # Install deb apps | |
| wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb | |
| wget https://zoom.us/client/latest/zoom_amd64.deb | |
| sudo apt install -y ./*.deb | |
| # Install snap apps |
Displays contents of /proc/net files. It works with the Linux Network Subsystem, it will tell you what the status of ports are ie. open, closed, waiting, masquerade connections. It will also display various other things. It has many different options. Netstat (Network Statistic) command display connection info, routing table information etc. To displays routing table information use option as -r.
Sample output:
Proto Recv-Q Send-Q Local Address Foreign Address (state)
tcp4 0 0 127.0.0.1.62132 127.0.0.1.http ESTABLISHED
| #!/bin/bash | |
| ( | |
| DOMAIN="vpn.example.com" | |
| set -eu | |
| certbot renew -q | |
| /usr/local/openvpn_as/scripts/sacli stop |
Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.
$ python -m SimpleHTTPServer 8000
| #!/bin/bash | |
| # Install prerequisites | |
| yum install -y gcc openssl-devel libyaml-devel libffi-devel readline-devel zlib-devel gdbm-devel ncurses-devel ruby-devel gcc-c++ jq git | |
| # Import key | |
| curl -sSL https://rvm.io/mpapis.asc | gpg2 --import - | |
| # Install RVM | |
| curl -sSL https://get.rvm.io | bash -s stable --ruby |