DNS Overview

Most records will be A records. This allows the greatest versatility in pointing your domain names where you want them go. Each record consists of a host name and an IP address. Host field: The host name for that particular A record. The host name should be what precedes the .domain.com in your FQDN (fully […]

Crontab basics

cron is a unix, solaris utility that allows tasks to be automatically run in the background at regular intervals by the cron daemon. These tasks are often termed as cron jobs in unix , solaris. Crontab (CRON TABle) is a file which contains the schedule of cron entries to be run and at specified times. […]

Plesk 9.3 Latest update of openssl breaks Parallels Panel :: Starting Plesk… failed

Latest update of the openssl package from CentOS breaks Parallels Panel 9.x. The following errors are displayed in the /var/log/sw-cp-server/error_log file when Panel is trying to start: # tail /var/log/sw-cp-server/error_log 2010-04-07 01:56:38: (log.c.75) server started 2010-04-07 01:56:38: (network.c.336) SSL: error:00000000:lib(0):func(0):reason(0) 2010-04-07 01:57:59: (log.c.75) server started 2010-04-07 01:57:59: (network.c.336) SSL: error:00000000:lib(0):func(0):reason(0) 2010-04-07 01:57:59: (log.c.75) server started […]

What is APF (Advanced Policy Firewall)? APF Firewall

APF is a policy based iptables firewall system designed for ease of use and configuration. It employs a subset of features to satisfy the veteran Linux user and the novice alike. Packaged in tar.gz format and RPM formats, make APF ideal for deployment in many server environments based on Linux. APF is developed and maintained […]