Failed to set locale, defaulting to C warning message on CentOS Linux when running yum

Whenever I run yum command, I get an error or warning that read as Failed to set locale, defaulting to C. How do I fix this issue on CentOS 7 Linux server? Why do I […]

Fix Host ‘IP’ is blocked because of many connection errors on MySQL/MariaDB

I am trying to login to my mysql/mysqld server using the following Unix command:$ mysql -u foo -h -p dbnmame But greeted with the following error on screen:ERROR 1129 (HY000): Host ‘’ is blocked […]

How to prevent sed -i command overwriting my symlinks on Linux or Unix

I recently ran a command ‘sed -i ‘s/CONFIG_1/CONFIG_OPT_2/g’ /etc/nginx/sites-enabled/*.conf‘ on a Debian Linux server. However, the sed command destroyed the link and created a regular file in place of the link file. How can I […]

How to check whether AMT is enabled and provisioned under Linux

How do I check whether Intel Active Management Technology (AMT) and Intel Standard Manageability (ISM) enabled or disabled under Linux using command line for CVE-2017-5689 vulnerability? The CVE-2017-5689 vulnerability defined as: Adblock detected ? My […]