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@ashrithr
ashrithr / graphite.md
Last active September 27, 2020 20:10
Installing graphite 0.10, collectd and grafana on centos 6

Installing Graphite:

Graphite does two things:

  1. Store numeric time-series data
  2. Render graphs of this data on demand

What Graphite does not do is collect data for you, however there are some tools out there that know

@Mulkave
Mulkave / Dockerfile-supervisor
Last active November 16, 2020 21:01
A Dockerfile for Fedora/CentOS/Red Hat based systems that creates an image with supervisord running sshd that uses SSH keys for authentication.
##
#
# setup:
# - generate an ssh key to be used as an authentication key with `ssh-keygen` and call it `docker_ssh_rsa`
# - make sure your current ssh agent has the identity file added
# - $ eval `ssh-agent`
# - $ ssh-add docker_ssh_rsa
#
# build: $ sudo docker build -t <you>/spvssh .
#
@larrycai
larrycai / README.mkd
Last active September 5, 2019 14:20
log sample dashing widget
@soheilhy
soheilhy / nginxproxy.md
Last active July 5, 2025 15:29
How to proxy web apps using nginx?

Virtual Hosts on nginx (CSC309)

When hosting our web applications, we often have one public IP address (i.e., an IP address visible to the outside world) using which we want to host multiple web apps. For example, one may wants to host three different web apps respectively for example1.com, example2.com, and example1.com/images on the same machine using a single IP address.

How can we do that? Well, the good news is Internet browsers

@JamesMGreene
JamesMGreene / gitflow-breakdown.md
Last active September 14, 2025 18:40
`git flow` vs. `git`: A comparison of using `git flow` commands versus raw `git` commands.

Initialize

gitflow git
git flow init git init
  git commit --allow-empty -m "Initial commit"
  git checkout -b develop master

Connect to the remote repository

@miki725
miki725 / docker_attach
Created July 6, 2014 17:26
Attach to docker container via nsenter
#!/bin/bash
USAGE="Attach to Docker Container
--------------------------
Attach to Docker Container even if the container does not run
ssh daemon. This is accomplished by using linux containers
directly via 'nsenter' (see http://bit.ly/docker_nsenter).
To install 'nsenter', just execute:
$ docker run -v /usr/local/bin:/target jpetazzo/nsenter
@romanz
romanz / fullnode.md
Last active August 5, 2025 04:09
Bitcoin Full Node on AWS Free Tier

Bitcoin Full Node on AWS Free Tier

Provisioning

  • Launch one T2 micro instance, using Ubuntu 14.04 LTS AMI.
  • Open SSH and Bitcoin Protocol TCP ports: 22, 8333.
  • Attach 40GB EBS (General-Purpose SSD) volume for blockchain storage to /dev/sdf.

The pricing should be ~3$ for the first year (assuming 30GB upload per month). See here for more details.

@denji
denji / golang-tls.md
Last active August 23, 2025 19:29 — forked from spikebike/client.go
Simple Golang HTTPS/TLS Examples
Generate private key (.key)
# Key considerations for algorithm "RSA" ≥ 2048-bit
openssl genrsa -out server.key 2048

# Key considerations for algorithm "ECDSA" ≥ secp384r1
# List ECDSA the supported curves (openssl ecparam -list_curves)
@mazgi
mazgi / console.log.md
Last active March 18, 2024 17:18
LDAP Auth for SSSD, SSH, SUDO
# uname -a
Linux base 4.0.5-gentoo #1 SMP Wed Jul 1 02:23:16 JST 2015 x86_64 Intel(R) Xeon(R) CPU E5-2640 0 @ 2.50GHz GenuineIntel GNU/Linux

Packages

# emerge -pvq openldap openssh sssd sudo
[ebuild R ] net-nds/openldap-2.4.38-r2 USE="berkdb crypt gnutls ipv6 minimal sasl ssl syslog tcpd -cxx -debug -experimental -icu -iodbc -kerberos -odbc -overlays -perl -samba (-selinux) -slp -smbkrb5passwd" ABI_X86="(64) -32 (-x32)" 
@duggan
duggan / inventory.py
Created October 12, 2015 15:01
Present Terraform tfstate data as an Ansible inventory
#!/usr/bin/env python
import sys
import os
import json
import argparse
import collections
__description__ = """Ansible Dynamic Inventory for Terraform."""
__epilog__ = """