JasonkayZK

#!/bin/bash
# Dependency: password-less SSH login
#

# Define server array (easily extensible)
servers=(
  "server-1"
  "server-2"
  "server-3"
)

JasonkayZK

#!/bin/bash
# Dependency:
#  1. rsync: yum/apt install -y rsync
#  2. password-less SSH login
#

# 0. Define server list
servers=("server-1" "server-2" "server-3")

# 1. check param num

JasonkayZK

function notifyResult () {
  if [ $? -eq 0 ]; then
    osascript -e 'display notification "The command finished" with title "Success"'
  else
    osascript -e 'display notification "The command failed" with title "Failed"'
  fi
}

JasonkayZK

#!/bin/bash

# 帮助函数
show_help() {
    echo "Usage: $0 [Option] [message]"
    echo "Show system notification"
    echo
    echo "Option:"
    echo "  -h, --help         Show help info"
    echo "  -t, --title TITLE  Set notification title (Default: Notify)"

JasonkayZK

// 目前只能在nightly版本下使用
#![allow(incomplete_features)]
#![feature(generic_const_exprs)]

fn something<T>(val: T)
where
    Assert<{ core::mem::size_of::<T>() < 768 }>: IsTrue,
    //       ^-----------------------------^ 这里是一个 const 表达式，换成其它的 const 表达式也可以
{
    //

JasonkayZK

# Install K3S
curl -sfL https://get.k3s.io | sh -

# Copy k3s config
mkdir $HOME/.kube
sudo cp /etc/rancher/k3s/k3s.yaml $HOME/.kube/config
sudo chmod 644 $HOME/.kube/config

# Check K3S 
kubectl get pods -n kube-system

JasonkayZK

# CentOS
history | awk '{CMD[$4]++;count++;}END { for (a in CMD)print CMD[a] " " CMD[a]/count*100 "% " a;}' | grep -v "./" | column -c3 -s " " -t | sort -nr | nl | head -n10

# Ubuntu
history | awk '{CMD[$2]++;count++;}END { for (a in CMD)print CMD[a] " " CMD[a]/count*100 "% " a;}' | grep -v "./" | column -c3 -s " " -t | sort -nr | nl | head -n10

# MacOS(zsh)
history | awk '{CMD[$2]++;count++;}END { for (a in CMD)print CMD[a] " " CMD[a]/count*100 "% " a;}' | grep -v "./" | column -c3 -s " " -t | sort -nr | nl | head -n10

JasonkayZK

XML        6 mins         ███████████████░░░░░░  71.5%
Java       2 mins         █████▉░░░░░░░░░░░░░░░  28.4%