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@earthgecko
earthgecko / bash.generate.random.alphanumeric.string.sh
Last active April 24, 2025 05:26
shell/bash generate random alphanumeric string
#!/bin/bash
# bash generate random alphanumeric string
#
# bash generate random 32 character alphanumeric string (upper and lowercase) and
NEW_UUID=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)
# bash generate random 32 character alphanumeric string (lowercase only)
cat /dev/urandom | tr -dc 'a-z0-9' | fold -w 32 | head -n 1
@rnewson
rnewson / haproxy.cfg
Last active November 18, 2021 22:12
haproxy.cfg stanzas to enable Perfect Forward Secrecy and HTTP Strict Transport Security. Requires OpenSSL 1.0.1g or so.
# Bind SSL port with PFS-enabling cipher suite
bind :443 ssl crt path_to_certificate no-tls-tickets ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-GCM-SHA384:AES128-SHA256:AES128-SHA:AES256-SHA256:AES256-SHA:!MD5:!aNULL:!DH:!RC4
# Distinguish between secure and insecure requests
acl secure dst_port eq 443
# Mark all cookies as secure if sent over SSL
rsprep ^Set-Cookie:\ (.*) Set-Cookie:\ \1;\ Secure if secure
# Add the HSTS header with a 1 year max-age
@jonmorehouse
jonmorehouse / tar.go
Created February 17, 2014 22:29
Quick golang script for creating a gzipped tarball
package main
import (
"os"
"archive/tar"
"log"
"io"
"compress/gzip"
)
@AlexMocioi
AlexMocioi / ReadSTDIN.go
Created April 6, 2014 16:24
Read big text data from SDIN in Go
package main
import "fmt"
import "bufio"
import "os"
func main() {
f, _ := os.Create("outputgo.txt")
reader := bufio.NewReader(os.Stdin)
for {
line, err := reader.ReadString('\n')
@hvoecking
hvoecking / translate.go
Last active January 22, 2025 05:35
Golang reflection: traversing arbitrary structures
// Traverses an arbitrary struct and translates all stings it encounters
//
// I haven't seen an example for reflection traversing an arbitrary struct, so
// I want to share this with you. If you encounter any bugs or want to see
// another example please comment.
//
// The MIT License (MIT)
//
// Copyright (c) 2014 Heye Vöcking
//
@ryan-lane
ryan-lane / Calling salt-call with environment variables
Last active May 24, 2022 06:52
Using an environment variable in a state file
MYENVVAR="world" salt-call state.template test.sls
@poindextrose
poindextrose / glcoud-signed-url.go
Last active January 22, 2024 22:59
Example on how to create a signed URL on Google Cloud Storage with Go
package main
import (
"fmt"
"time"
"google.golang.org/cloud/storage"
)
const (
@r0l1
r0l1 / copy.go
Last active March 24, 2025 21:38
Copy a directory tree (preserving permissions) in Go.
/* MIT License
*
* Copyright (c) 2017 Roland Singer [[email protected]]
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
@tamalsaha
tamalsaha / check_module.py
Created December 21, 2016 01:57
Check if a python module is installed
# http://stackoverflow.com/a/14050282
def check_antipackage():
from sys import version_info
sys_version = version_info[:2]
found = True
if sys_version < (3, 0):
# 'python 2'
from pkgutil import find_loader
found = find_loader('antipackage') is not None
elif sys_version <= (3, 3):
@peterhellberg
peterhellberg / graceful.go
Last active November 13, 2024 20:20
*http.Server in Go 1.8 supports graceful shutdown. This is a small example.
package main
import (
"context"
"log"
"net/http"
"os"
"os/signal"
"time"
)