k8scat

export const formatTime = (timestamp) => {
  const date = new Date(timestamp);
  const YY = date.getFullYear();
  const MM = date.getMonth() + 1 < 10 ? `0${date.getMonth() + 1}` : date.getMonth() + 1;
  const DD = date.getDate() < 10 ? `0${date.getDate()}` : date.getDate();
  const hh = date.getHours() < 10 ? `0${date.getHours()}` : date.getHours();
  const mm = date.getMinutes() < 10 ? `0${date.getMinutes()}` : date.getMinutes();
  const ss = date.getSeconds() < 10 ? `0${date.getSeconds()}` : date.getSeconds();
  return `${YY}-${MM}-${DD} ${hh}:${mm}:${ss}`;
};

k8scat

#!/bin/sh
# while :; do clear; your_command; sleep 2; done
# usage: watch.sh "<your_command>" "<sleep_duration>"

d=${2:-2}
while :; do
  clear
  date
  $1
  sleep ${d}

k8scat

package main

import (
	"bufio"
	"bytes"
	"flag"
	"fmt"
	"io"
	"os"
	"regexp"

k8scat

#!/bin/bash
#
# Install python3 from source code on CentOS 7
# Maintainer: K8sCat <k8scat@gmail.com>
set -e

if [[ $(id -u) -ne 0 ]]; then
    echo "require root"
    exit 1
fi

k8scat

#!/bin/sh
#
# Backup data from a volume.
# Maintainer: k8scat@gmail.com

data_volume=$1
data_dir=$2
if [[ "${data_volume}" = "" || "${data_dir}" = "" ]]; then
  echo "usage: $0 <data_volume> <data_dir>"
  exit 1

k8scat

To remove a submodule you need to:

• Delete the relevant section from the .gitmodules file.
• Stage the .gitmodules changes git add .gitmodules
• Delete the relevant section from .git/config.
• Run git rm --cached path_to_submodule (no trailing slash).
• Run rm -rf .git/modules/path_to_submodule (no trailing slash).
• Commit git commit -m "Removed submodule "
• Delete the now untracked submodule files rm -rf path_to_submodule

k8scat

// https://learning.postman.com/docs/writing-scripts/script-references/postman-sandbox-api-reference/#sending-requests-from-scripts
const url = pm.environment.replaceIn("{{base_url}}/some/api")
const req = {
  url: url,
  method: 'POST',
  header: {
    'Content-Type': 'application/json',
    'X-Foo': 'bar'
  },
  body: {

k8scat

Remove MySQL completely

1. Open the Terminal

2. Use mysqldump to backup your databases

3. Check for MySQL processes with: ps -ax | grep mysql

4. Stop and kill any MySQL processes

5. Analyze MySQL on HomeBrew:

   brew remove mysql
   

k8scat

package main

import (
    "fmt"
	  "log"
    "net"
    "net/mail"
	  "net/smtp"
    "crypto/tls"
)

k8scat

#!/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-zA-Z0-9' | fold -w 32 | head -n 1