top of page
Category ✅
Search
MTU Black Hole: ping -M do -s 1472 When One Path Dies and Small Packets Live
A device is dropping DF large packets and not sending ICMP need-to-frag. Clamp MSS or fix MTU. This is the classic black hole. Techclick CLI lab: symptoms, commands, traps, and proof.
-
3 days ago2 min read
Linux nftables Drop: nft list ruleset When ping Works and TCP Dies
Cloud NSG is not the guest firewall. nft list ruleset. A default drop on input explains everything. Techclick CLI lab: symptoms, commands, traps, and proof.
-
3 days ago2 min read
tcpdump Sees Nothing on the Right Host: -i any and Offload Before You Blame the Firewall
Wrong interface, NIC offload, or you filtered the NAT'd address. Use -i any first, then turn off GRO/TSO for the capture. Techclick CLI lab: symptoms, commands, traps, and proof.
-
3 days ago2 min read
Linux documents
Find the below link for linux documents. https://drive.google.com/drive/folders/0ByrCsqa57YKIWEpRUTh1TUdxX2sresourcekey=0Hvksa22cSkDsxDel3-Ea3Q&usp=sharing
-
Aug 25, 20221 min read
how to install Mutillidae in kali linux
How to Install Mutillidae in Kali Linux with a Script Follow these steps to install Mutillidae using the script: Download and run the script provided. The installation will begin after executing the script. Script Link: Click on the link to view the script. Installation Script: #!/bin/bash # Update package lists and install necessary dependencies sudo apt update sudo apt install php-xml php-fpm libapache2-mod-php php-mysql php-gd php-imap php-mysql php-curl php-mbstring -y #
-
Jul 24, 20222 min read
Linux basic command for beginner
LINUX BASIC COMMAND-- 1- ls -l --> this command use to list of all directory 2- cd /var/log - change directory 3-grep - this command use for filter 4- su / sudo - this change root permission 5- pwd - use for current directory 6- passwd - chanage user account password 7- mv - move file 8 - cp - copy file 9- rm - remove file 10 - rmdir -r - remove directory 11- mkdir - make directory ------------------------------------------------------------------------------------ chm
-
Jan 6, 20222 min read
Foundation of Linux
Foundation of Linux To make sure that all the participants must be able to Install, Configure and Administer Linux Desktops and Linux Servers up to the enterprise level. Provide them with the skills that will help them achieve the goals of their lives. QUICK FACTS about LINUX In 1998, IBM compared its fastest computer, Dip Blue, to a 64 nodes cluster running Linux...The result is: The Linux cluster was about 4 times faster... for the quarter of the price. They are not the on
-
Feb 21, 20176 min read
bottom of page