HTTP/2 Zero-Day Vulnerability - HTTP/2 Protocol ( CVE-2023-44487) HTTP/2 offers a number of performance improvements over HTTP/1.1, It support for multiplexing with including reduced latency and increased throughput. However, HTTP/2 also know as for there co…
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No internet connectivity from WSL2 / Ubuntu or Kali linux
I have installed the Kali Linux in Window 11 successfully, when i checked the network interface was up and running state but internet is not working and No internet connectivity from WSL2 Kali Linux No internet connectivity from WSL2 Kali linux kali linux,w…

Description: Most of the application/software provide trial version for one to three month, after finished the trial its expire and require a purchase. if you need a trial again you need a different email address, for that you will create a new account if y…

Error : Could not determine host ip address. See local.conf for suggestions on setting HOST_IP. Cases: When we checked and troubleshoot we did Solution: When we cheked the Error 2: [ERROR] /opt/stack/devstack/functions:612 Invalid path permissions Solutio…
Continue ReadingThis topic we are installing openstack train /queen version in CentOS7 using packstack, but we are getting below error during the installation. ERROR : Error appeared during Puppet run: 10.0.2.15_controller.pp Error: Execution of '/usr/bin/yum -d 0 -e 0 …

OpenStack Horizon - The requested URL "/auth/login/" was not found on this server | #linuxtopic The requested URL "/auth/login/" was not found on this server. OpenStack - Train We Installed the horizon successfully but when we are trying…

System has not been booted with systemd as init system (PID 1) I have Ubuntu 20.4 in Windows ( WSL2 ), when in reloading any service I'm getting below error Error: failed to connect to bus: host is down failed to connect to bus: host is down wsl2 System …
Continue ReadingOpenstack error - leatherman_curl - No such file or directory We are installing the openstack train/queen in CentOS 7 using packstack, during the installation we got an error below and fixed it. ERROR: facter: error while loading shared libraries: leatherman_…

This topic we are installing openstack train /queen version in CentOS7 using packstack, but we are getting below error during the installation. ERROR : Failed to run remote script, stdout: stderr: Warning: Permanently added '192.168.156.200' (ECDSA) …

OpenStack - Generate SSH Key and Upload into OpenStack
Q - How to generate a ssh key in linux ? Q - How to upload SSH key in to OpenStack ? In this post we will cover how to generate the SSH key and upload in to openstack using command line. Step 1 Export Environment - Make sure your you exported the openstack …

Access localhost from the internet using ngrok tags: ngrok, ngrok setup, ngrok tunnel, how to use ngrok, setup ngrok, how to access localhost using internet, ngrok tutorial, ngrok download, ngrok npm, Expose 127.0.0.1 From Local Machine to Internet In topic…
