Category: Notes

Just random stuff - Nothing to see here - Move along...

Load Balancing with KEMP and CentOS Backend Services

L4 or L7 for Load balancing? For web services, go the L7 route and route all the traffic through the LB (as a default route) to get the benefits.  With DNS, I chose to use the L4 route.. each with their different configurations. Testing the KEMP LoadMaster in a config similar to this: Internet –> Firewalls…
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Adding SCSI Disks to VMWare Guest (CentOS 7.2)

After you apply the new disk(s) in VMWare, you need to re-scan the scsi bus. First, find your scsi_host: root@nfs1 ~# grep mpt /sys/class/scsi_host/host?/proc_name /sys/class/scsi_host/host2/proc_name:mptspi In this case, it’s “host2” Trigger a re-scan of the scsi bus for “host2“: # echo “- – -” > /sys/class/scsi_host/host2/scan The hyphens represent controller,channel,lun, so – – – indicates…
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MariaDB 10.1 CentOS 7 Fails to Start Using New Disk or Data Location

If you changed your data location for mysql / mariadb, using a new disk and get an error like this after a start or restart: # systemctl start mariadb Job for mariadb.service failed because the control process exited with error code. See “systemctl status mariadb.service” and “journalctl -xe” for details. Here’s the extended status: #…
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Promotional codes don’t work with manager accounts. Please enter the code in one of your managed AdWords accounts.

Google Adword Error: Promotional codes don’t work with manager accounts. Please enter the code in one of your managed AdWords accounts.   Google Adwords MCC account error when trying to add a promotion offer code.  Resolution is that you need to setup the sub-accounts with a different email vs. your managed account.

Change default LS colors on Debian

Change default LS colors on Debian By default, the LS version of Debian uses a regular blue color for the directories. And, as many others, I’m completely unable to read this on a black background. So, to change this, do the following for each user, or globally in /etc/bash.bashrc: Get the current dircolors # dircolors…
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