linux – Tech Tamer

How to set the mail relay on a rhel6 box

July 6, 2012June 23, 2018 - g2 - Comment is Closed

rhel6 uses postfix by default (very nice). I’ve been used to changing the DS line in /etc/mail/sendmail.cf Now, what you do is: postconf -e “relayhost = [myrelay.fqdn]” It can’t hurt to make sure you have the right setup. Here’s what I have on one of my rhel6 systems

What services are running on my Linux box?

July 5, 2012June 23, 2018 - g2 - Comment is Closed

The answer is technically /bin/ps -ef. But what you really want is /bin/netstat -plunt.

How to get ALL the FC info you need (and more!)

July 2, 2012June 23, 2018 - g2 - Comment is Closed

Here’s the cheet sheet to using native FC tools and drivers (tested on rhel5):

George Robinson has been taming technology since 1981. His first bitter taste of UNIX was in 1987 with Xenix 2.1.1. George's youth was spent in building electronics and writing programs to post on the local BBS. In high school, he became involved in student radio and was hired by the top station in the market. After high school, he spent two years traveling the western United States and Canada with REACH Youth Ministries. George double majored in Psychology and Music Theory at Rocky Mountain College in Billings, Montana. During college, the Internet wave hit Montana and his hobby became highly in-demand skills. George finally went pro in 1998 and has been trying to automate himself out of a job ever since. He rode the Internet boom to Orange county. Making the most of his diverse experience, he pursues a career in systems administration and DevOps. He has had roles in numerous startups and has been a systems administrator in enterprises like Verizon Wireless, Yahoo, Nestlé & Fico.