Recover Cisco Switch Ports from err-disabled State
How to view and recover Cisco Switch ports from err-disabled state
How to quickly import CSV file into MySQL table
Import CSV into MySQL This is a simple version of LOAD DATA command to import simple CSV file into MySQL table. It look only .02…
How to get size of each table of a MySQL Database
This SQL query provides you with list of all tables with largest size in a MySQL database that is executed. SELECT table_schema AS `Database`,table_name AS…
How to configure multi-SSID of different VLAN on tp-link access point?
In this setup, 2 SSIDs are configured on tp-link access point and both SSIDs are operating on different VLAN . VLAN 5 – for internal…
Commands to manage F5 Active Connections
View All Active Connections Use the command tmsh show /sys connection to view all active connections of all Virtual Servers of F5 unit [root@F5LB] config #…
Logging WL-Proxy-Client-IP and X-Forwarded-For to determine Client IP behind F5
In order to determine the client IP that sends requests to a Web Server placed behind an F5 appliance, you can attach this iRule to…
Configure HTTP Monitor in F5
Before we begin configuring the HTTP Monitor, use POSTMAN (or your favorite HTTP sniffer tool) to understand REQUEST (Send String) and RESPONSE (Receive String) pair…
Create SPF record for my domain
Sender Policy Framework (SPF) helps to fight against email spoofing for your organization. SPF is generally a TXT record in DNS Zone file that lists…
tcpdump useful commands
tcpdump is a packet sniffing command line tool to capture TCP/IP packets that are received or transmitted on a specific interface. This tool has been…
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