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View source_script_directory.md
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
@metallica127
metallica127 / make_variable_check.md
Created Jul 13, 2019
Makefile check if variable is defined
View make_variable_check.md

Check if variable is defined in a Makefile

Using ifndef

ifndef MY_FLAG
$(error MY_FLAG is not set)
endif
@metallica127
metallica127 / vault_certificate_error.md
Created Jan 24, 2019
Vault error x509: certificate signed by unknown authority
View vault_certificate_error.md
$ vault status
Error checking seal status: Get https://172.16.4.117:8200/v1/sys/seal-status: x509: certificate signed by unknown authority

Solution:

@metallica127
metallica127 / golang_inspect_strcut.md
Created Jan 18, 2019
Inspect struct object golang
View golang_inspect_strcut.md

To inspect the strcut you can use the %+v interpolation:

fmt.Println(fmt.Sprintf("%+v", myStruct))
View openshift_kubelet_logs.md

The kubelet in Openshift is run using hyperkube.
It is evaluated as a systemd service called origin-node.

  • To view the logs you can use:
$ journalctl -u origin-node
  • To check the status simply run:
View classifier.py
from sklearn import datasets
from sklearn import metrics
from sklearn.naive_bayes import GaussianNB
def get_iris_dataset():
"""
Get the iris data set using sklearn library
:return: Dictionary-like object
"""
View backup_with_lock.sh
#!/usr/bin/env bash
CONSUL_ADDR="${CONSUL_ADDR:-http://127.0.0.1:8500}"
function create_session(){
local session_id=$(curl -s -XPUT "${CONSUL_ADDR}/v1/session/create" \
-d "{\"Name\": \"backup\"}" | jq -r '.ID' )
echo ${session_id}
}
@metallica127
metallica127 / install_consul_linux.md
Last active Jan 13, 2019
Intall Consul on Linux [Ubuntu, Debian, CentOS]
View install_consul_linux.md

Install consul on Linux

This snippet will help you to easily install consul on linux! Simply run the following:

curl -s -L https://git.io/fxJJR | sudo bash -s

The install_consul_linux.sh will be downloaded and evaluated.

@metallica127
metallica127 / simple_backup.sh
Last active Sep 30, 2018
Example script for "Consul - the swiss knife by Hashicorp" article.
View simple_backup.sh
#!/usr/bin/env bash
function perform_backup(){
echo -n "Copying some stuff on S3.."
echo "Done!"
}
perform_backup
@metallica127
metallica127 / Installation.md
Last active Dec 20, 2018
Install docker and docker compose on Ubuntu
View Installation.md

Lightweight script to install Docker CE and docker-compose on Ubuntu.

To run script simply execute:

curl https://gist.githubusercontent.com/metallica127/a6c1960502ae8ef61782f527eed1e343/raw/51cbf65b1fe1e213725822354ad16c479b928239/install_docker_compose.sh | sudo bash -s
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