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Cisco
CCNP
chapter 1 Dynamic Multi-point VPN (DMVPN CCNP)
Automate Jobs on Cisco Device
Routing and TCP/IP operation review (ICMP redirect,RIPng)
EIGRP 1 (CCNP – Timer, Neighborship, Bandwidth, Metric, Topology Table)
EIGRP 2 (CCNP – Load balancing,convergency, SIA, route filtering, summary, Default route)
OSPF (CCNP – neighborship, virtual link, LSA)
OSPF (CCNP – Route filtering, summarization, stub area, ospfv3)
Route redistribution
Route Selection (Policy based routing (PBR), SLA ,VRF)
BGP Basics
BGP advanced
IPv6 Internet Connectivity
Router and routing security
Route-maps (Cisco)
GNS
How to build switch image and configure switch in GNS 3
Add router image to the GNS3
Connect Virtual Machine to Internet Via GNS3
CCNA
Access Control List Part1
Access control list Part2
Cisco IOS fundamental
First Hop Redundancy Protocols (FHRP)
Actual usage of bandwidth
NAT (CCNA)
IP virtual-reassembly
Default route in 3 ways
DR and BDR
Where do resets come from?
EIGRP
Spanning Tree Protocol(STP)
Configure EIGRP
EIGRP-Advanced Configuration and troubleshooting
Configure Frame Relay Switch
How to connect to T1 line.
Hierarchical Network Design
Hardware, ISO images and licensing
Link Aggregation
Multiarea OSPF
Multi-area OSPF summary-address VS area range
NTP in Cisco IOS
OSPF network types
RSTP and PVST (per VLAN Spanning Tree)
RIP
Switch port speed and security
Single Area OSPF configuration
Install SDM in a router or GNS3
Wireless basic
Wireless Operation and Configuration
Connecting to WAN
Reset switch
Cisco Voice
Give Google map iframe grayscale
Cisco CME config
Database
Database System -Design, management
Chapter1 Database systems
Chapter 3 Relational Database Model
Chapter4 Entity relationship modeling
Chapter 6 Normalization of database
Chapter7 Introduction to SQL
chapter 8 advanced SQL
chapter 15 Database and Internet
Mysql
Chapter 1 Mysql Basic
MYSQL SERVER ON CENTOS
Chapter 2 Writing Mysql Based Programe
Microsoft
Windows Fundamental
Accurate time on Windows Environment (NTP)
Restart pending issue in Windows
Veeam Setup storage repository from Network share
Acronis backup
Solve PC automatically reboot
Volume Activiate client machines
Windows System Reserved and EFI Partition
Differential backup and Incremental backup
Direct attached Storage (DAS)
DISM++
Notepad++
Apply Updates to an Image Using DISM (Standard 7 SP1)
Fix annother installation is currently in progress.
Fix the Windows Icon showing blank
windows 7 accumulative update
7 zip
Browser Protocol
Computer Accounts
Command shortcut to Microsoft settings
iTunes can not open in windows 7
Windows indexing issue
windows 10 – choose the version for installation
windows 10 printing issue, internet issue
Windows useful commands
Creating a SQL Server 2012 Account
command without path
Could not connect to network drive after reboot
DHCP in Windows Server
Enable Network Level Authentication on XP machines
Default gateway been set to 0.0.0.0
%Windir% and %systemRoot%
Windows Permission
windows proxy setting netsh winhttp
God mode
Hardware
Windows Reliability Monitor
Advanced Search in Windows
command line scripting
IP address already assigned to another adapter (1179)
script the MySQL backup on windows
Disable Get windows 10 status tray Icon
Windows 7 Sp1 language pack
Windows 7 SP1 Windows update stuck checking for updates
windows logs
local built-in administrator account has been disabled
Visual C++ 2005/2008 failed
MMC
Ping
Processor (% Processor Time) and Process (%Processor Time) in Data Collector Set
Power management
Clear the Printer Queue (printer Spool)
popular free softwares (free tools)
Rename a domain controller using Netdom
SC ( Service controller)
Run program with high privilege
Enable routing or disable it
Registry command
Service Controller and installed services
Script for cleaning rubbish file before shutdown
Send Emails From The Windows Task Scheduler
Start program on computer startup when nobody is logged on and show the window when someone does log on (OS: Windows)
Synology Versioning take too much space
SSD for computer
SMB versions
symbolic file and hardlink file
shortcut for network location(NAS, etc) disappear
User account and Group
Roaming Profile problems
Task management in Windows (Tasklist, Taskkill)
Synchronize Time with a DC
Configure Windows firewall for VPN
Disable UAC from registry
Version number of Windows OS
xp 删除正版验证
70-411 Administering Win 2012/R2
70411 Chapter 7 DC and AD management
Configuration Passes (Windows Setup)
chapter 8 User and Service account configuration
70411-Chapter 5 Remote access Configuration
chapter 9 Goup policy settings and prefercences
Chapter 10 Managing Group policies
chapter 11 DNS and DNSSEC
Chapter6 Network Policy
Deploy prestaged Device and unattended installation
Windows Server
App blocked by Administrator
Azure Hybrid Cloud Print
Deploy Certificate from MS Enterprise CA Via SCEP profile
MS MDT with Intune AutoPilot
shadow copy (previous version) on shared folders
Bluescreen Troubleshooting
Deploy Network Driver for Intel Ethernet NIC
DHCP vendor class, Policies
Windows Deploying Services (WDS)
Chapter4 Remote desktop service Part1
Chapter 5 Remote desktop service Part2
File services 2 – ACCESS BASED ENUMERATION(ABE), DFS by Powershell, Indexing
use synology NAS to create SAN storage
Allowed to Authenticate permission
Active Directory DC promo Prerequisites check
Manage Hyper-V in a workgroup remotely
Basic configuration
Windows server install error 0x80070570
Client backup on Windows 2012 Essential
Chapter 10 Federation Services
CHapter 10 High Availability
Deploy Domain Controllers
Cloning domain controller
DHCP server
MDT
Monitor the validity period of A Certificate with MDT
DNS and DNS server
DNS service unavailable cause logon problem
Chapter 5 Active Directory Administration
Install .net Framework 3.5 on windows 2012
Features on Demand with Updated Systems and Patched Images
File Service 1 – DFS, FAULT TOLERANCE AND LOADING BALANCE, FILE SERVER RESOURCE MANAGER(FSRM) , Classification
DFS Namespace Cannot Be Queried Error (the namespace cannot be queried. the rpc server is unavailable) – Remove & Delete Orphaned Namespace
Filesystem Security
Missing file in DFS replication
FreeFileSync – Windows Powerful free file synchronization tool
new in winServer2016(Storage replica, 2-node hyperconverged cluster)
Physical machine to Hyper-V Migration
Slow or endless login to Terminal Server (TS)
L2TP/IPSec VPN dropped silently
Multi-site Active Directory Environment
Monitor and troubleshooting server
Media Server in Windows 2012
Migrate local user’s profile to Domain User
Printer and Print services
Configure windows 2012 as router
Remote managing server which is in workgroup
Transfering FSMO role to another DC
Transition to Windows Server 2012 Standard
WDS on Windows 2012 (R2)
Upgrade domain and forest Functional level
Windows firewall IPsec
WSUS Windows server update services
Winsxs folder
Exchange Server
Enable DKIM on office 365
Installation1 – Prepare Active Directory and domains Exchange 2013
Installation2 -Exchange 2013 prerequisites
Archive in Outlook
Chapter 1. Exchange Fundamentals
Install and Access Exchange 2013 admin center for the first time
Database provisioning on Exchange
Email Forwarding setting in Exchange Via PowerShell
Chapter 14 Managing Mailboxes and mailbox content
Manging mail-enabled group, Users and Contacts
Outlook Data Files (.pst and .ost)
Exchange daily administration jobs
MailBox size report for Exchange 2010, 2013, 2016, office365
Chapter 19 Exchange Database and Log
Exchange security group
Exchange -Can not send email to external domain users – #550 4.4.7 QUEUE.Expired
MCTS_70-643 Win2k8 Application Infrastructure
Create Named Instance in SQL Server 2008 R2
Cha6 Configuring WebServices Part1
FTP server with domain user
Chapter 7 Web Services Part 2
Chapter 8 Configure windows Server 2008 network application Services(Media,SharePoint)
IIS_monitor_AWstats
chapter 9 configure Hyper-V virtualization
Share point incoming email part 1
sharepoint incoming email part2
Active Directory basic
subdomain, Single-domain or multi-domain
Domain service (DS) commands (DSquery, Dsget)
Operation master Roles – flexible single master operations(FSMO)
LDAP
Manually Sync the AD to Azure
PowerShell and Batch scripting
Analyze with Foldersize and handle the files in the result
Install Feature or Role by Powershell
chapter 1 introducing Powershell
Powershell Basic examples
25 Common entries
Wildcard operator in Powershell (match, like, contain)
Chapter 4 Script fundamental
Delete old files by Batch script
Deploy software via Batch script
Work on Disks
Chapter 5 Variable, function
DSC Desired State Configuration
Work with mail
Chapter 6 Advanced Function and Modules
Find files that not been accessed for a while by powershell
Configure the firewall
Chapter 8 Windows Powershell ISE
powershell backup hyperV
Remote Management by command(CMD PS)
Chapter 9 Powershell Profiles
chapter 10 Use WMI
Convert JSON data to html in Powershell (manageengine Servicedesk plus ticket monitoring)
chapter 11 Querying WMI
Chapter 12. Remoting WMI in Powershell
Check if a user is a member of the Local admin group
Find Logon Session
Chapter 13 Call WMI methods on WMI classes
Chapter 13 Using CIM cmdlets
chapter 15 Working with active Directory (OU, users)
EXPORT/Import domain USERS/COMPUTER LIST to/from CSV file
Promote AD domain controller via Powershell
Working with Passwords, Secure Strings and credentials in Windows Powershell
Schedule powershell scripts
Group Policy
ADMX central store
manage web explorer(firefox, chrome) via GPO (proxy, settings)
Windows proxy Setting – GPO ( Per user, Per computer)
Advanced Security Audit Policy
AppLocker SRP
Group policy Client Side Extensions
Deploy DotNet Via GPO
Disappearing folder redirection
Modify Registry
Deploy Adobe Flash with GPO
Folder redirection
Group policy basic
Manage File association from GPO
Google chrome deployment over group policy
Group policy and UAC
Group Policy example and problems
Kerberos Policy
“Log On as a service” previledge
Deploy Java
Change the keyboard layout in login screen
Management Console icons reference
Network connection setting
Preferences
Deploy software via Group policy (Adobe Reader DC) and update it
Removal of Microsoft Security Essentials through Group Policy
Troubleshooting
70-412 Configure Advanced WinServer 2012/R2
Chapter 3 Advanced DHCP and DNS configuration
configuring and maintaining AD infrastructure 1 (adding, removing domain;migration;Trust;UPN;SID filtering)
configuring and maintaining AD infrastructure 2 (Replication, SRV record registration, move DC, Folders of AD)
Chapter 4 Configure Advanced FIle Services (BRANCHCACHE, FILE CLASSIFICATION, Audit, NFS, ISCSI , deduplication)
Chapter 5 Dynamic Access Control (DAC)
Chpater 6 Server High Availability
Chapter 7 High Availability II
Chapter 8 Backup Windows Server and Site Disaster Recovery
Chapter 9 MS Certificate Service
chapter 10 Active Directory Rights Management Service (RMS)
Local Administrator Password Solution (LAPS)
Office
excel 套用表格格式”之后就无法合并单元格
Open Word excel files in separate windows (office 2007, office 2010)
Office Document Cache has stopped working
split text into different columns ( rows)
Enroll your mobile device to O365 MDM
Deploy Office 365 from local source
Proxy Server in Office 2013
Wipe a mobile device in Office 365
laptop,desktop fixing journal
corel Draw 應用程式復原管理員
ASUS X301A install system.
Port conflict
Netgear AC1200 Wifi Range Extender
System Center Configuration Manager(SCCM)
Boot image for SCCM
deploy exe file
Windows ESD image to WIM image
Deploy Windows system with SCCM
SCCM setup
System Internal tools
WMI Infrastructure
Security Descriptor object
Web technology
FTP chroot on VirtualMin
PHP
Super global Variables $_session, $_SERVER
Install APM apache, php and mysql on MAC OSx
set the root password for Mysql phpmyadmin
Multiple PHP version for apache on CentOS 7
CSS basic
change the cart icon on Woocommerce
CSS minify Unminify
Style phone number
WordPress
Remove the side bar from WooCommerce
WordPress Plugins
WordPress Widget Logic
Enable Zoom for mobile
MasterPost_SocialMediaIcnos
wordPress ” Error establishing a database connection “
Add child pages list in the parent page
WordPress asking for FTP credentials
WordPress system widges
Disable comment completely
Page List Plugin
Embed other webpage into wordpress
WordPress migration
Show the level of pages When Choosing Parent Attribute
Permalink “post name” cause 404 error – Only Plain works
Style the editor to the same style as it published
Style Search Result
Alter the footer info for theme
WordPress shortcut
WordPress – Change the pages’ parent in bulk
SEO basic
Concept (IP PV)
SEO
Bing disavow links (block some unwanted pages)
Google search for your website
Create and submit Sitemap
Git with bitbucket or GitHub
XML document
Introduction to http cache (From a Chinese blog)
Proxy Server
Integrate Squid with AD
Nginx as Reverse proxy for Apache Server farm on CentOS 8
Apache work as Reverse Proxy
Proxy server squid
Proxy setting on Windows
Python
Autoadmin Chapter 1 System basic info modules (psutil,IPY,DNSPYTHON)
Autoadmin chapter 5 Workwith paramiko
AutoAdmin chapter 9 Ansible with Python
AutoAdmin Chapter4 Python and security
chapter 1 set up developing env (eclipse+pydev)
AutoAdmin – Chapter3 Generate report with Excel format (xlsx writer), rrdtool, routing graph
AutoAdmin – Chapter 2 File and service monitor (difflib, filecmp, smtplib, pycurl)
chapter 2 Py Ingredients( number, strings, and variable)
Chapter 3 Basic (lists, tuples, dict, sets)
list
chapter 4 Code structure( Function, generator, decorator )
Enumerate function
Stack
chapter 5. Module, Packages, and Programs
chapter 6 objects and classes
chapter 7: mangle data ( encode, decode, format)
Endian (Big and little )
chapter 8 Work with file
Chapter 8.2 work with Database
chapter 9 The web
chapter 10 systems
chapter11 Concurrency and network
Python-Automating Administration
Virtual environment
VIM and Python – a Match Made in Heaven
Web crawler by Python
Linux
Ansible
Chapter 1 Introduction
Chapter 2. Playbook and YAML file
Ansible with Networking
Chapter3 Inventory
Chapter 4. Variables and Facts
setup ansible ubuntu
Control windows Servers
Ubuntu
change the startup color in ubuntu
Add stardict into Ubuntu Kali
Mount the NTFS drive in Linux from booting
Public key is not available(No_pubkey)
Show error while open the system settings in Ubuntu 14.04LTS
Uninstal bluetooth
Ubuntu update
Drupal installation
Basic
Backup LAMP (Website file and database) with script and crontab
Extract compressed files
High CPU usage and high disk usage by sendmail
Start Xampp
Bash script _ If statement
Bash script_ Loop
Bash Script_Fuctions
BashScript_User interface
Bash Script to manage files on FTP server
Compression, system backup, software installation
Bash Scripting – chapter1 Variable, input
Dig (Domain Information Groper)
Exim and Devecot for Email infrastructure
Linux kernel
Fix the linux font problem
FTP – chroot
Web server response codes to messages
Deploy server
Device Filesystem administration
Install dependency automatically in Debian
De-fragmenting in Linux
Install LAMP ( Linux, Apache, Mysql (MariDB) , PHP)
Linux system config
Work on Linux File system
Linux Filesystem
Postfix
Postfix with sasl
WebServer Pressure Test( Jmeter)
chapter 7 work with Shell (bash)
Regular Expressions Basic
Regular-expression advanced
Transparently redirect root folder to a sub folder
savapage (Paper Cut Alternative)
Secure Copy protocol
Selinux
SendMail Config
python pexpect with TCL script
Chapter 12 network configuration and operation
18 commands to monitor network bandwidth on Linux server
wget and curl
ufw blocking FIN, RST and ACK packets when rules should allow it.
UTF-7 decoding problem with Java
chapter 13 configure network service
Reset Root password for MySQL
Optemizing Apache and Mysql
Install and configure NGINX server
Linux Process managing
Linux Printer and Log File
System initialization and X window
systemd-sysctl.service – Apply Kernel Variables
Reset Linux Root password
Text editor (VI / VIM)
chapter 14 Troubleshooting, Performance and security
chapter 10 user and groups
wildcard
MAC
Add a static route in MAC
Boot into other OS via Refind
Useful command in MAC
常用MAC软件
Basic key combo
Connect to SMB & NAS share from MAC OS
File system
Enable NTFS in MAC
System Integrity Protection on a Mac
Security penetration test on MAC
Mac Safe Mode
MAC Printer problem
Create a Service in MAC Sierra and give it a shortcut
“Please install zlib and zlib-devel packages” error
Fedora
Configuring a DHCP Server
Application Installation
X server not responding, improving boot speed
FTP in fedora
Find the package name according to missing library in CentOS
NFS on fedora
Can browse webpage by browser but can not use yum update
Basic settings
Samba server in Fedora or CentOS
Linux IP table editor – UFW
Networking
Administrating your G-Suite with CLI GAM
Wireshark
chapter 1 Basic (Filter, Output)
Wireshark packet analyse – Layer by Layer
WireShark_password sniffing
Wireshark CLI
Analyses EIGRP message by wireshark
Chapter 5 Expert system and TCP/IP analysis
Chapter 6 DNS and ARP analysis
Chapter 7 Wireshark IP ICMP UDP
chapter 8 Analyze TCP , DHCP with Wireshark
chapter 9 wireshark HTTP,FTP, Email
chapter 10 Wireless, VOIP, Traffic Baselining
Install wireshark in Linux
Non-root User get the permission to capture traffic
Sniffing Usernames, Passwords, and Web Pages
Stream analysis
TCPdump
AWS cli -S3
Networking fundamental
AAA protocols
Broadband solution
DHCP OPTION 43 Configuration Example
HOW TO CLEAR THE LOCAL DNS CACHE
Carrier Ethernet and MPLS
Dynamic routing
DHCP
Cisco, HuaWei, h3c command mapping table
Datalink layer
digital transmission
Directed broadcast address and Local broadcast address
Java connection issue for port less than 1024
Ethernet
FTP commands
Frame Relay
IP address
netstat command
HDLC and PPP
Proxy ARP
IPv4 vs IPv6
Inter-VLAN routing
Internet connection issue troubleshooting steps
How to prevent your email from been marked as spam
Medium access control(Collision detect)
nslookup
TCP：三次握手、四次握手、backlog及其他
MTU MSU
Manchester Coding Basic
Metric prefix
Network Layer
运维工程师
Port forwarding or Port mapping
Point to Point Connections basic
Physical layer
Routing basic
Routing table
Router
Routing table and topology table in EIGRP or OSPF
Standard orgnizations
Route command
SNMP protocol
Static routing
Single area OSPF
Transport Layer
TCP functional Specification
Troubleshoot PPP
Secure Site-to-site connection ( VPN,GRE,IPsec)
IPsec (CCNA)
Troubleshooting Network
DHCP UDP Ports 67 and 68
VLAN
Wireless network
WAN technologies Layer 1 technologies
WAN technologies Layer 2 technologies
JNAA-JNCIA-Junos-Junosphere
JunOS, Limiting output
Junos OS fundamental
User interface
Configuration2
configure exclusive Command
ELK stack for logging
Kibana
Network Storage
Dell Compellent
Nexenta and Dell Compellent
install FTP (VSFTPD)
Networking labs
lab-InterVlan routing
Use GNS3 to observe DHCP process
Query data from mysql by php
Web server and ACL
GNS conflict with XAMPP
VLAN trunk (lab)
DC replication problem
Change the UUID of virtual hard disk in Virtual box
FrameRelay Lab
GRE lab
Migrate a DC to another site
The request is not supported error when joining domain
VM cannot take ownership
ICND2 VTP GNS3 Configuration LAB
Nagio Core monitoring Setup
nagios Configuration file
nagios on cloud
Use nagios and MRTG to monitor the Cisco Interface usage
monitor Esxi with Nagios
set up nagios email notification
Nagios Addons ( Check_mk, pnp4Nagios, Nagvis )
Nagios core monitor basic
Monitoring public area service
schedule downtime
Nagios User
Rclone
Unison File Synchronizer (network or local)
Monitor Network (Syslog, SNMP, net flow)
Network Flow and Flexible netflow
SNMP (CCNA4, security)
Graylog 2
TCL scripting
VMware
Install Openmanage on VMware Esxi / Windows
Services and Network
VMware fusion config
Wireless (CWNA)
D-Link Wireless Controller and access point Setup
chapter 2 Wireless LAN
Chapter 5 Physical Layer standards
Chapter 6 MAC layer-Wireless
Chapter 10 Implementing WIreless LAN security
Configure Guest WLAN with captive portal on Motorola WiNG 5.8
Chapter 11 Manage VLAN
chapter 12 Troubleshooting and optimization
Wireless LAN controller
chapter 13 Other wireless networks
Ubiquiti – use Centos as Unifi controller
Security
Integrate Certbot to 3CX on Debian
Detecting Live systems and analysing results
Enumerating Systems
CCNA Security
chapter1 Modern Network Security Threats
chapter 2 Securing Cisco Network Devices
chapter 2 Securing Cisco Network DevicesPart2
chapter 2 Securing Cisco Network DevicesPart3 (Cisco autosecure and Securing the control plan)
chapter3 AAA in cisco Device
chapter3 part 2Configure AAA server-based authorization and accounting
chapter 4 Firewall
Chapter5 Implement IPS_introduction
chapter5 Implement IPS2_configuration
Chapter 6 Secure The LAN
Chapter 7 Cryptographic System
chapter 8 VPN (IKE, IPsec)
Chapter 9 Cisco Adaptive Security Appliance 1(Models, License, Basic)
Chapter 9 Cisco Adaptive Security Appliance 2(ACL, NAT, AAA)
chapter 10 Advanced ASA ( ASDM )- GUI of ASA
chapter 11 Managing a secure Network
Set up ASA lab
IDS
Snort – Basic
IPBAN – Windows
How to Detect NMAP Scan Using Snort
Snort – Installation
Security labs
MSF-metasploitable
metasploitable user manual
Make a one-way data (RJ45) cable
Kali
Kali repository
Add chinese input pinyin wubi
Burp Suite and Hydra
Creating a request file by burp suite
hashcat
Iceweasel can not play youtube
Menu in applications is missing
MSF
OpenVas
Openvas setup error
Python 环境下的网络数据监听和过滤
shut down or reboot error
NMAP
hping usage
Nmap NSE scripts with examples
Security Basic
Block IP addresses by Country in 3CX
ARP CACHE POISONING / ARP SPOOFING
Step1 Information gathering
Encryption and Tunneling Techniques
DTP vulnerability attack and VLAN hopping attack
Fiddler
Deploy HTTPS on Apache/Tomcat in CentOS
Fping
中文 注入 攻击软件。
Parent control Web Sec
Popular website for security pros
URL needs to be blocked
Sign a Certificate in Microsoft windows server
Snort dnet header error
SPF record
Use Openssl as CA to create Key and certificate
黑客技能表v3.0
Cisco WLAN controller password cracking
Process of an attack
User Agent Strings
Session Hijacking
5 Steps Wifi Hacking – Cracking WPA2 Password
How to Hack targeted website(Basic)?
Website attack basic Knowledge
Symantec Endpoint
SoftEther VPN
SoftEther VPN-configure
SQLmap
MySQL 注入技巧
SQLmap (advanced)
SQLMap tutorial 1
SQLMAP-tamper-scripts explaination
SQLMap User Manual
Windows Security
Logon auditing
Networking
Cyber Security
Web Coding
CATEGORIES
Microsoft
Microsoft Server and Related exames
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Networking
Networking, Cisco, Juniper, security
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Coding
Hosting, database, Python, WordPress
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Security
Penetration test and defend
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Linux
Releash the power of Penguin
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Database
There are enough fishes here~
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Latest posts
Customize your Woocommerce
November 2, 2020
Change the order number to date based and reset every 24 hours. In the functions.php add below between <?php and ?> add_filter( 'woocommerce_order_number', 'change_woocommerce_order_number' ); function change_woocommerce_order_number( $order_id ) { global $wpdb; $prefix = ' / '; $order = wc_get_order( $order_id ); $order_date = $order->get_date_created(); $date_created = $order_date->date( 'Y-m-d' ); $query = "SELECT ID FROM...
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Integrate Certbot to 3CX on Debian
October 27, 2020
1. install snapd on Debian $ sudo apt update $ sudo apt install snapd $ snap install core core 16-2.45.2 from Canonical✓ installed $sudo snap refresh core 2. Install the Certbot sudo snap install --classic certbot Install the Cert for nginx sudo certbot --nginx It will create a timer file with crontab /etc/cron.d/certbot...
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change the cart icon on Woocommerce
October 17, 2020
First the icon parent class may be different from theme to theme, open webpage in a browser, right click the icon and inspect the element: note the parent class is wcmenucart-contents for me, so i can style it below with your fontawesome code: (find the code here https://fontawesome.com/cheatsheet?from=io): .wcmenucart-contents .fa-opencart:before { content: “\f290”; } ...
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Accurate time on Windows Environment (NTP)
October 15, 2020
NTP server in Windows Domain In a windows Domain, the Domain controller (PDC) is acting as a ntp server, and advertising itself, so all the host machines are syncing time from the DCs. Which usually don’t need to configure. To guarantee all the hosts is running on time, you first need to make sure...
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Convert JSON data to html in Powershell (manageengine Servicedesk plus ticket monitoring)
October 9, 2020
Many application API provides you the data in the form of JSON, so you can grab a piece of data you want and create a little application. Today I will search the ticket according to the status, and show these tickets on the TV information board. Ticket system: ManageEngine Servicedesk plus scripting language: powershell information...
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Give Google map iframe grayscale
September 28, 2020
Sometimes the colorful google map will kill your website design, and you want it to show in grayscale and change to colorful when you hover on it. First go to map.google.com and get the embed code: <iframe src="https://www.google.com/maps/embed?pb=!1m14!1m8!1m3!1d787.9876569385103!2d144.9699581971051!3d-37.81462541777397!3m2!1i1024!2i768!4f13.1!3m3!1m2!1s0x6ad642c821f25843%3A0xd889fb73b0f721c1!2sLevel%2015%2F111%20Collins%20St%2C%20Melbourne%20VIC%203000!5e0!3m2!1sen!2sau!4v1601257653348!5m2!1sen!2sau" width="600" height="450" frameborder="0" style="border:0;" allowfullscreen="" aria-hidden="false" tabindex="0"></iframe> put this in your website HTML code. Wrap it...
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App blocked by Administrator
September 23, 2020
An administrator has blocked you from running this app, For more information, please contact the Administrator THis can be fixed by go to group policy: Policies > Windows Settings > Security Settings > Local Policies > Security Options. Find Policy “User Account Control: Run all administrators in Admin Approval Mode”, select disabled....
Read more...
L2TP/IPSec VPN dropped silently
September 20, 2020
You may come across the issue that the MAC users are able to connect to windows VPN server, but windows users are not. And you can not find any log on the server or the client. This is probably related to the NAT traversal (NAT-T) When you start the connection, an initial L2TP packet is...
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WordPress Widget Logic
September 9, 2020
Show widget only on specific pages or posts This example displays the widget only on the page that has the slug example-page 1 is_page('example-slug') This is my favourite way of specifying widgets for certain pages, as it works in a similar fashion to how you configure blocks for specific paths in Drupal. This example...
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Backup LAMP (Website file and database) with script and crontab
September 8, 2020
The script to backup database file and website file: #! /bin/sh TMP="/tmp/" #Format the date in YEAR-MO-DY format TODAY=`date +%d%b%Y` # Set the Apache Configuration backup name to the following CFG_FILENAME="MCI"$TODAY"cfg.tar.gz # Set the web directory backup name to the following WEB_FILENAME="MCI"$TODAY"web.tar.gz" # Set database backup name to the following DB_FILENAME="MCI"$TODAY"db.tar.gz" #this tars up the...
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Enable DKIM on office 365
September 7, 2020
On a Windows computer, open Powershell: Install ExchangeOnlineManagement Install-Module -Name ExchangeOnlineManagement -RequiredVersion 1.0.1 import-module exchangeonlinemanagement Connect to Exchange online Connect-ExchangeOnline -UserPrincipalName admin@yourdomain.onmicrosoft.com -ShowProgress @true Create a key: New-DkimSigningConfig -DomainName your.domain.com -KeySize 2048 -Enabled $True WARNING: The config was created but can’t be enabled because the CNAME records aren’t published. Publish the following two CNAME records,...
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FTP chroot on VirtualMin
August 28, 2020
There are some complications to overcome: The chroot directory must be root owned and world-readable (sshd checks this unconditionally for security reasons). The user’s home directory should be relative to this root because the server will attempt to go to the directory relative to the root when the user logs in. If you want to...
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Deploy Certificate from MS Enterprise CA Via SCEP profile
August 28, 2020
Setup the SCEP profile with Onsite CA is a complex job and can be daunting. How it works I will borrow the flow from Microsoft to show how this process works: Deploy a SCEP certificate profile. Intune generates a challenge string, which requires a specific user, certificate purpose, and certificate type. Device to NDES...
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Monitor the validity period of A Certificate with MDT
August 28, 2020
Some certificate such as NDES server Intuned SSL and Server certificate are manually requested, we need to monitor its validity period. We can use powershell and PRTG to do this. In the PRTG folder C:\Program Files (x86)\PRTG Network Monitor\Custom Sensors\EXE Create below powershell script, save it as Cert_less_than_30_days.ps1 in on PRTG host: #we...
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MS MDT with Intune AutoPilot
August 28, 2020
Install the required module: Install-Module -name AzureAD Install-Module -name MSOnline Install-Module -name MSGraph Install-module WindowsAutopilotIntune Connect-MSGraph Type the Azure AD admin credentials. Get-Autopilotprofile | ConvertTo-AutopilotconfigurationJSON Copy detail into a JSON file, something like below: { "CloudAssignedDomainJoinMethod": 0, "CloudAssignedDeviceName": "SN-%SERIAL%", "CloudAssignedAutopilotUpdateTimeout": 1800000, "CloudAssignedForcedEnrollment": 1, "Version": 2049, "CloudAssignedTenantId": "348841ce-b851-46d7-a6b2-xxxxxxxxx", "CloudAssignedAutopilotUpdateDisabled": 1, "ZtdCorrelationId": "c3808525-5be9-4eee-9e85-xxxxxxxxxx", "Comment_File": "Profile OOBE",...
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Azure Hybrid Cloud Print
August 28, 2020
The cloud print will allow the Intune AAD devices to print on premises without domain join. There is a detailed steps here: https://docs.microsoft.com/en-us/windows-server/administration/hybrid-cloud-print/hybrid-cloud-print-deploy APP proxy If your Printer server is not reachable from cloud, you will need to setup APP proxy: Azure application proxy is a reverse proxy for publishing the NDES URL externally, and...
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Nginx as Reverse proxy for Apache Server farm on CentOS 8
August 28, 2020
Reverse Proxy Apache server IP: 192.168.10.80 Apache listening port: 80 CMS: wordpress, see here for the LAMP with wordpress setup. Nginx server IP: 210.xxx.xxx.xxx Edit /etc/nginx/nginx.conf, and make sure below line is uncommented: include /etc/nginx/conf.d/*.conf; Create a configuration sudo vi /etc/nginx/conf.d/yourdomainname.com.conf server { listen [::]:80; listen 80; server_name www.yourdomainname.com; root /var/www/html/yourdomainname.com/public; index index.php;...
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Add a static route in MAC
August 28, 2020
For a J+P Network of 10.0.0.0, subnet mask 255.0.0.0 and switch IP 192.168.0.1 sudo route -n add -net 10.0.0.0/8 192.168.0.1...
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Fix the Windows Icon showing blank
July 1, 2020
1.Close all applications 2.Open REGEDIT go to HKEY_CLASSES_ROOT\Lnkfile\shellex\IconHandler and change the Default to {00021401-0000-0000-C000-000000000046} 3.Open an Admin Command Prompt, go to the following location: C:\Users\AppData\Local\Microsoft\Windows\Explorer 4.Open Task Manager Click on the Details Tab Find Explorer.exe and End task on the process and then Close Task Manager 5.In the Admin command prompt window, still at the...
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Block IP addresses by Country in 3CX
June 1, 2020
You may want to block the login or phone registration by IP address in 3CX if you are sure your business will be totally local. Download the database file We will use the database file (CSV) from https://db-ip.com/db/download/ip-to-country-lite (And a copy of the version May 2020 can be downloaded here) Open it with Excel, and...
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CSS minify Unminify
May 28, 2020
https://mrcoles.com/blog/css-unminify/...
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How to prevent your email from been marked as spam
May 20, 2020
Have you waited too long for your bill to get paid, but ended up with your email has been put into the spam folder? Which is pretty annoying and you have to look into the reason. One of the big reasons that your emails go to spam is that spam filtering has become more rigorous....
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Style phone number
May 19, 2020
Style Phone number: The Smart phone will detect the phone number and render it, which may make the style inconsistent. To remove all auto-formatting for telephone numbers, add this to the head of your html document: <meta name="format-detection" content="telephone=no"> View more Apple-Specific Meta Tag Keys. Html: Note: If you have phone numbers on the page...
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Change the keyboard layout in login screen
May 8, 2020
Some times, you may find you can not login on a new imaged/setup computer and the reason is default keyboard is UK layout~ To mitigate this issue, you can change the key value with “Value Name” is 1 under hive: HKEY_USERS\.DEFAULT\Keyboard Layout\Preload Action: update Hive: HKEY_USERS Key Path:.DEFAULT\Keyboard Layout\Substitutes Value name:1 Default: unchecked Value type:...
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