windows

How to use keyboard shortcuts to select a color from the screen (color picker).

For those who need to create PowerPoint slides, edit images, design web pages, or want to get the exact colors from a logo/image on the screen without opening Photoshop or wasting time saving and using a color picker website, Windows has a hidden toolkit called Windows PowerToys (official free

Mikrotik: Install Extra Package (Zerotier) on RouterOS

ZeroTier on RouterOS devices used to create secure networks, enabling remote access to NAS, desktops, NVR, and mobile devices even behind private IP addresses. The process involves installing the ZeroTier NPK package, authorizing nodes in the cloud console, and setting up routing for specific internal subnets. This example will install

Mikrotik: CHR on Hyper-V

MikroTik CHR (Cloud Hosted Router) คือการนำระบบปฏิบัติการ RouterOS ของ MikroTik ที่ถูกออกแบบมาให้อยู่ในรูปแบบของ Virtual Machine (VM) มาเปิดรันบนระบบจำลองฮาร์ดแวร์อย่าง Hyper-V ของ Microsoft ใช้แทนกล่องฮาร์ดแวร์ RouterBOARD ของ MikroTik มาต่อสายใช้งานเพื่อสร้าง Virtaul Mikrotik ขึ้นมาทำงานแทน โดยได้ฟีเจอร์

windows

Computer tips "The Aero Shake"on Windows 11.

The "Aero Shake" trick: Shake one window to clear your love life. This is an advanced feature that's a lifesaver for those who multitask (keep many windows open) or those who enjoy editing photos and coding. Aero Shake is a feature that allows you to quickly

windows

PowerShell: Test-Netconnection (TNC) ใช้สำหรับดูข้อมูลการเชื่อมต่อ

ใช้ตรวจสอบ TCP Port ว่าเปิดอยู่หรือไม่ Test-NetConnection -ComputerName <ชื่อเซิร์ฟเวอร์_หรือ_IP> -Port <หมายเลขพอร์ท> Example: Test-NetConnection -ComputerName 192.168.xx.xx -Port 13000 Result: ตรง "TcpTestSucceeded : True" แสดงว่าเครื่องเราสามารถเชื่อมต่อไปยังเครื่องปลายทางผ่าน port นี

windows

Computer tips "Custom Scaling Display".

Today, I'd like to share a trick to solve a very common problem we encounter while working: "When we restart our computer, the program bar is too wide and thick, or the taskbar icons are unusually large," leaving less screen space available for working. This trick

Mikrotik: Change the TTL(Time to Live) on Mikrotik router

Change TTL (Time to Live) on a mikrotik router for prevent users from share internet from user computer (Share Hotspots, Tethering). Link user mobile phone to share the internet hotspot/tethering. To prevent this we can set TTL (Time to live) to 1. The packets will expired immediately if they

Computer tips "How to use Picture-in-Picture feature" on any web browser.

Here's a great trick for entertainment lovers and those who enjoy watching videos on their browser (Google Chrome, Microsoft Edge) that allows you to watch videos while working or scrolling through other social media pages simultaneously, without having to split the window into two small sections. It'

Computer tips "Boost Your Productivity with Clipboard History (Windows + V)"

Normally, when you press Ctrl + C to copy text or images, you can only paste (Ctrl + V) the very last item you copied. The moment you copy something new, the previous item is gone forever. However, Windows has a built-in feature that lets you travel back in time and access

Mikrotik: การใช้ Jump กับ Return

การใช้ Jump ใน Firewall ของ MikroTik (โดยเฉพาะ Filter Rules) เป็นการทำเพื่อจัดกลุ่มของกฎ (Rules) ให้เป็นระเบียบและประมวลผลได้เร็วขึ้น การทำงานของ router จะไม่ต้องอ่านทุกข้อจะเป็นการ "ถ้าเจอเงื่อนไขนี้ ให้กระโดดข้ามไปตรวจที่เฉพาะส่วนนั้นเลย ไม่ต้องอ่านข้ออื่นให้เสียเวลา"

EXSi: Extend Volume size on Virtual disk in EXSi

1. Login to ESXi console 2. Edit selected virtual machine 3. Edit number on selected harddisk (from 5 to 10) 4. Save 5. Loin to virtual machine > open "Computer Management" > "Disk Management" > it will show additional disk as black area status unallocated 6.

Computer tips "Organize your screen with Virtual Desktops (separate your work world)".

Have you ever experienced this? You have programs open all over your screen – Excel, LINE, your browser watching YouTube – and when you try to find the window you need, your eyes get strained, and you end up minimizing windows frantically. Windows has a feature called "Virtual Desktops" that

How to setup Secure Print on HP Printer.

1. Once the print driver is installed, go to Control Panel > Devices and Printers. 2. Right-click the desired printer and select Printer preferences. 3. Select the Job Storage tap > Personal job > PIN to print and input the PIN in box then click OK. 4. The process is

Unifi: Step-by-step process to access and read logs on a UniFi Access Point (UAP) via ssh

To check the logs on a UniFi Access Point (UAP) via SSH. We will looking for the messages file. This file captures system events, connection attempts, and errors in real-time. Here is the step-by-step process to access and read those logs. 1. Access the UAP via SSH ssh <username&

Unifi: Set VLAN on unifi switch and UAP

Set unifi switch vlan and UAP VLAN WiFi on unifi controller. This example will using Mikrotik sent tagged (Trunk), (VLAN ID 1, 101, 102, 200) to unifi switch and from this switch connect to UAP (Untagged VLAN ID 102), and LAN port will untagged VLAN ID 101. 1. Tagged VLAN

How to manage battery power for longer use.

* To maximize battery life on Windows 11, navigate to System > Power & battery. * Looking for a topic Screen, sleep, & hibernate timeouts * Adjust the time to suit actual usage. finished.. end..

linux

Expand Your Partition with LVM in Ubuntu

When installing Ubuntu on a virtual machine (VM), it is normal to see only about half of the allocated storage space (e.g., 50GB available on a 100GB disk). This occurs because the default Ubuntu Server installation with Logical Volume Management (LVM) consciously reserves approximately half of the available space

How to activate the extend warranty (EW201) for SYNOLOGY NAS

วิธีการขยายระยะเวลารับประกัน (Extended Warranty For Mainstream Device - EW201) สำหรับ Synology NAS - DS925+ (ในประเทศไทย) เนื่องจากประกันแบบ Extended Warranty Plus ไม่รองรับในประเทศไทย การขยายเวลารับประกันจึงไม่สามารถกดขยายที่ในหน้า web console ของ NAS เองได้ นี่คือวิธีการขยายระยะเวลารับประกันแบบ EW201 จาก 3

How to setting functions Energy saver on Windows 11.

Windows 11 has streamlined how it handles power management, moving most of the "Energy saver" (formerly Battery Saver) settings into the modern Settings app. Whether you’re trying to squeeze extra life out of a laptop battery or just want to reduce your desktop’s carbon footprint, here

SSH to Unifi Switch check statistics on specific port

SSH to US 48 POE 500W to check statistics on specific port and command to explore information on the switch. Here are the steps for example 1. Open command prompt. 2. SSH to switch (ssh user@ipaddress) 3. Enter the password 4. Now enter to switch 5. Check command by

Clean Harddisk with Command line Diskpart.

หากคุณต้องการ format คอมพิวเตอร์ของคุณโดยไม่มี program ใด ๆ ช่วยในการ format เลย เรามี 1 วิธีที่อาจช่วยคุณได้ด้วย command diskpart ไปดูกันเลย * อย่าลืม backup data ของคุณด้วยล่ะ ทุกอย่างหายหมดจะหาว่าไม่เตือน.. 1. เปิดหน้า

How to handle the Security Warning window when connecting a computer via RDP file

For those who work remotely (Work from Anywhere) or in IT who frequently need to remotely manage servers, you've probably encountered this situation: You double-click a saved .rdp file, but instead of being directed to the login screen, a security warning pops up every time, stating "Unknown

How to uninstall updates windows update on windows 11.

To uninstall updates in Windows 11, This method is suitable for resolving slow performance or errors after an update. Methods to Uninstall Windows 11 Updates: 1. go to Settings. 2. Selete Windows Update. 3. Selete Update history. 4. And choose Uninstall updates. 5. You can see all of update, Choose

How you can allow standard user without administrator privileges to run a program or application that needs administrator privileges.

In most enterprise networks user accounts are created with the standard privileges that allow them to open sessions on their computers run their applications like Microsoft Outlook, Excel and other corporate applications in general these applications doesn't need special privileges or administrator rights to work but some applications

Microsoft Outlook get errors to synchronizeing Gmail (Classic Outlook)

Some user report that their outlook suddenly block from receiving email. When force send&receive show error (0x800CCC0E). This user using the company gmail account (IMAP) on the Microsoft Outlook (Apps for Business Package). Error look like this. Microsoft Outlook Version. To fix this try the following steps: Remove