William-Hill

# Start by making sure your system is up-to-date:
yum update
# Compilers and related tools:
yum groupinstall -y "development tools"
# Libraries needed during compilation to enable all features of Python:
yum install -y zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel expat-devel
# If you are on a clean "minimal" install of CentOS you also need the wget tool:
yum install -y wget

William-Hill

sudo wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat/jenkins.repo
sudo rpm --import https://jenkins-ci.org/redhat/jenkins-ci.org.key
sudo yum install jenkins

William-Hill

'''Requires psutil package that's available from pip'''
import psutil

def find_processes_by_user(user_name):
  user_processes = [proc for proc in psutil.process_iter(attrs=['pid', 'name', 'username']) if proc.info["username"] == user_name]
  return user_processes

William-Hill

'''A simple function to create a backup of a file with a date stamp and backup extension'''
import datetime
import shutil
import os

def create_backup_file(file_name, backup_extension=".bak", date=str(datetime.date.today())):
    '''Create a backup of a file using the given backup extension'''
    backup_file_name = os.path.join(file_name, backup_extension)
    try:
        shutil.copyfile(file_name, backup_file_name)

William-Hill

'''Makes a directory; no exception if directory already exists, make parent directories as needed'''
def mkdir_p(path, mode = 0777):
    try:
        os.makedirs(path, mode)
    except OSError as exc:  # Python >2.5
        if exc.errno == errno.EEXIST and os.path.isdir(path):
            print("%s already exists.", path)
        else:
            raise

William-Hill

'''My preferred logging setup to log the filename, line number, function name, and time in messages'''
import logging

logger = logging.getLogger('metrics_logger')
logger.setLevel(logging.DEBUG)
# create formatter
formatter = logging.Formatter("%(levelname)s - %(filename)s - %(lineno)s - %(funcName)s - %(asctime)s - %(message)s", datefmt='%m/%d/%Y %I:%M:%S %p')
# create console handler with a higher log level
console_handler = logging.StreamHandler()
console_handler.setFormatter(formatter)

William-Hill

/* source: https://stackoverflow.com/a/45275695/2154867 */
#text_container {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100vh;  }
#text_container p {
  margin: 0;
  color: white;

William-Hill

html{
  width: 100vw; height: 100vh;
}

body {
  width: 100vw;
  height: 100vh;
  /*Replace with some_image with image url/path*/
  background: url("some_image.png");
  background-repeat: no-repeat;

William-Hill

import OpenSSL
def get_x509_subject_string(cert_name):
  x509 = OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_PEM, open(cert_name).read())
      subject_components = x509.get_subject().get_components()
      subject_string = ""

      for component in subject_components:
          subject_string = subject_string + "/" +  component[0] + "=" + component[1]

William-Hill

def insert_between_nodes(current_node, new_node):
    new_node.next = current_node.next
    new_node.prev = current_node
    current_node.next.prev = new_node
    current_node.next = new_node

def SortedInsert(head, data):
    new_node = Node(data)
    current_node = head