SysAdmin

software RAID 1 on Centos 7, EUFI running system

Disable firewalld, use Iptables in Centos 7 minimal install

DigitalOcean : monitoring disk speed.

Remove user password

Creating a log chain for iptables

Finding disk serial from console/terminal

Getting hard disk serials from 3ware raid controllers

Let’s Encrypt on windows IIS 7

Rotate rsyslog logs, using logrotate

APC, Opcache, Memcached, XCache, Varnish and WP Super Cache

nfsdcltrack: sqlite_query_reclaiming: unable to prepare select statement: no such column: has_session

systemd: Configuration file … is marked executable. Please remove executable permission bits. Proceeding anyway.

how to install SNMP service on Centos 8.2

Call to undefined function imagecreate()

Installing Nginx, PHP 7 on Centos 6.7

Time to update! Glibc library buffer overfl0w

Nginx, stable is not so mainline.

Let’s Encrypt on …. any Linux distro!