service command HowTo - Linux / Unix Q & A from nixCraft

Ubuntu Linux check cron log file error or messages in /var/log/cron.log file

last updated January 17, 2016 in Debian / Ubuntu, Troubleshooting, Ubuntu Linux

I am trying to find errors or message for my cron job on Ubuntu Linux server. Where is the cron log in Ubuntu Linux 12.04/14.04 LTS server? How do I check cron logs in Ubuntu server? How to check if crond server is enabled and/or is running properly on Ubuntu Linux server?

Install MariaDB Databases on a FreeBSD 11 Unix Server

last updated September 25, 2018 in FreeBSD, FreeBSD Jails (VPS), MySQL, Package Management, UNIX

I‘m a new FreeBSD unix user. How can I install MySQL and/or MariaDB database server on a FreeBSD unix based system?

How To Install Apache, MySQL, PHP stack on FreeBSD Unix Server

last updated January 11, 2015 in Apache, FreeBSD, MySQL, PHP, UNIX

I‘m a new FreeBSD Unix system users. How can I setup and install Apache, MySQL, PHP stack on a FreeBSD 10 based Unix server?

CentOS Linux 5/6: Change OpenSSH Port Number

last updated December 14, 2015 in CentOS, Linux, OpenBSD, RedHat and Friends

I am a new CentOS Linux user. How do I change default sshd tcp port # 22 to 2022 on CentOS Linux version 5/6?

Clear Squid Proxy Cache And Re-create the Cache Directories

last updated November 15, 2013 in Linux, Squid, UNIX

How do I clear squid cache? How do I re-create the cache directories on a server where Squid version 3.x is currently running in Linux or Unix based server?

Fedora Linux: Restart / Stop / Start DHCPD Server Command

last updated August 9, 2013 in Commands, Fedora Linux, RedHat and Friends

I am a new Fedora Linux version 18 system administrator. How do I restart dhcpd server using command line options in Fedora Linux server running on HP server hardware?

CentOS / RHEL: Check If A Service Is Running Or Not

last updated December 13, 2013 in CentOS, Monitoring, RedHat and Friends

How do I find out if a service such as MySQL or Apache running on my Centos/RHEL/Fedora Linux server?