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

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

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

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?

How To Install MariaDB Databases on a FreeBSD v10/11 Unix Server

January 11, 2015January 27, 2017in FreeBSD, FreeBSD Jails (VPS), MySQL, Package Management, UNIX last updated January 27, 2017

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

January 8, 2015January 11, 2015in Apache, FreeBSD, MySQL, PHP, UNIX last updated January 11, 2015

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

January 20, 2014December 14, 2015in CentOS, Linux, OpenBSD, RedHat and Friends last updated December 14, 2015

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

August 25, 2013November 15, 2013in Linux, Squid, UNIX last updated November 15, 2013

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

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

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

June 9, 2013December 13, 2013in CentOS, Monitoring, RedHat and Friends last updated December 13, 2013

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