very serious security problem has been found in the Intel/AMD/ARM CPUs. Spectre CPU Vulnerability CVE-2017-5753/CVE-2017-5715 breaks the isolation between different applications. It allows an attacker to trick error-free programs, which follow best practices, into leaking their secrets. In fact, the safety checks of said best practices actually increase the attack surface and may make applications more susceptible to Spectre. How do I protect my Linux server and laptop/desktop against such attack?
very serious security problem has been found in the Intel CPUs. Meltdown CPU Vulnerability CVE-2017-5754 breaks the most fundamental isolation between user applications and the operating system. This attack allows a program to access the memory, and thus also the secrets, of other programs and the operating system. How do I protect my Linux server and laptop/desktop against such attack?
am a new GNU/Linux user. I see a colorful bash prompt. Traditional command such as grep command
or ls command also display output in colors. I would also like a turn off colors in vim text editor. I do not like colors. How can I turn off color listing in Linux terminal?
have installed and setup KVM server on an Ubuntu Linux. I downloaded various .qcow2 cloud images. How do I setup public ssh keys for downloaded CentOS/FreeBSD/Ubuntu cloud images using virt-sysprep? Continue reading “How to add ssh key to qcow2 Linux cloud images using virt-sysprep”
have Network Attached Storage (NAS) server that backups all my devices. However, I am having a hard time with my Linux powered laptop. I cannot backup my laptop/computer when it is in suspended or sleep mode. How do I configure my wifi on a laptop to accept a wireless wol when using Intel-based wifi card?
edis is a free and open source (BSD licensed) key-value store. It is in-memory data structure store, used as a database, cache and message broker. How can I install Redis server on Ubuntu Linux 16.04 LTS?
am using PHP 5.6.xx and Nginx server on an Apline Linux server
. I want to hide ‘X-Powered-By: PHP/5.6.32’ HTTP header. How can I hide PHP version when using Nginx along with PHP-fpm5 or PHP-fpm7?