Secure memcached server to avoid DDoS amplification attacks

Posted on in Categories , , last updated March 5, 2018

I am worried that my Memcached server used for DDoS amplification attacks. How do I secure Memcached server on Linux or Unix-like system to avoid an attacker to exploit my Memcached services as an amplification vector, causing unexpected volumes of traffic to be sent to targeted networks?
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How to reset forgotten root password for Linux KVM qcow2 image/vm

Posted on in Categories , , , last updated February 10, 2018

I have Debian Linux VM running on KVM. I think I forgotten the password for the root account and I am no longer able to run ‘su -‘ command. How do I reset the password for the root account for KVM VM which is in qcow2 format?
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