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”
he top and free command display the total amount of free and used physical and swap memory in the server. How do I determine which process is using swap space under Linux operating systems? How do I find out swap space usage of particular process such as memcached
I‘m using RHEL 6 / CentOS 6.x and install the memcached server. However, whey I try to start the server using service memcached start command, I get the following error:
Starting memcached: failed to set rlimit for open files. Try running as root or requesting smaller maxconns value. [FAILED]
How do I fix this problem?
How do I install memcached a high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load under CentOS / RHEL / Fedora / Redhat Linux?