ow do I install and use a FreeBSD jail manage called iocage on FreeNAS server from the command line? How do I create FreeNAS jail with iocage command?
I am a new Linux sysadmin. What is the purpose of rm -rf command on a Linux? What does rm -rf command do on a Unix-like operating system?
have FreeNAS server configured to backup data for my office. How do I backup FreeNAS configuration file?
need to set the user agent header for curl command. How can I set or change user agent with curl command on Linux or Unix like system?
am getting an error that reads, “Your connection is not secure” when trying to redirect https://theos.in/ to https://www.theos.in/ domain using HTTP 301. How do I redirect Nginx non-www to www domain over SSL?
ll supported versions of FreeBSD affected by Meltdown (CVE-2017-5754), Spectre variant 1 (CVE-2017-5753), and Spectre variant 2 (CVE-2017-5715). How do I patch Meltdown and Spectre vulnerabilities on FreeBSD (speculative execution vulnerabilities) server powered by 64 bit Intel CPU?
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? Continue reading “Secure memcached server to avoid DDoS amplification attacks”