H20

Water is the primary source of life. Without it we as humans would be dead. I have grown an interest in seeking the perfect pH of drinking water and found as a person whom consumes energy drinks that water with a pH of 9.5 *Deep Purple* is by far the best. While water is our […]

Instant kernel panic

After researching what could cause an instant kernel panic with no documentation or messages in kdump, I found that if manually execute the following code (warning: will cause system disruption, I am not held responsible for your copy and pasting): echo c > /proc/sysrq-trigger More information regarding this can be found on the Old Internet […]

Getting on Google *GoG – SEO*

Ahh, do I remember the days when getting on Google required you to use a third party strange looking URL. Sometimes it was hard to actually making it on Google. SEO submission was very hard. The days of META keywords and tags. Well, no more! Google allows you to submit your “Domain Property” or websites […]

while loop (true)

Need to execute a set of commands in a loop, non-stop? while true; do killall -9 program; sleep 3; done This will tell your Linux O/S do killall -9, sleep for 3 seconds, and start it again. This is great if you don’t have access to a crontab or just need it for a quick […]

named-checkzone

Do you need to check the zone file syntax via command line after making a change. You can run the following: named-checkzone domain.com /var/named/domain.com.db Results should be similar to zone domain.com/IN: loaded serial 20190xxxxx OK

Linux Kernel Tuning

Do you need help tweaking your Linux operating system for the best performance? Just contact me and I’ll be more than happy to assist you. Tuning involves I/O scheduler tuning, ACPI power management, networking performance tuning, and even web-site tuning *WordPress/Joomla!*. Contact me

KVM *dump xml*

If you ever need to gain VNC access to a KVM virtual server and you are not sure what ip, port, or even password is needed to access VNC to a KVM VM, enter this from command line: virsh dumpxml <kvm> –security-info Replace <kvm> with the name of your virtual machine. You can get the […]

Quickly (Un)Suspend Email in Cpanel

If you need to quickly suspend e-mail for an e-mail address in cPanel and do not want to do this via the GUI, issue the following from command line as root: whmapi1 suspend_outgoing_email user=$cpuser Of course you’ll want to replace $cpuser with the username of the cpanel account you’d like to suspend e-mail for. The […]