Simple article to help you create a .img file that you can use to do some testing of different technologies or add to a virtual machine your hosting for more storage space or anything else you might need a .img file for. dd if=/dev/zero of=/home/brad/Desktop/test.img bs=1M Now you can use
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Encrypt the things, Use of Cryptsetup
With all of the scary and some what questionable things that have made it into the news lately we cannot stress enough, you need to use encryption. Encryption on everything network traffic, passwords and storage media to list a few. This article is going to tell you how to setup
Read moreInternet of Things – We’ve got it wrong
I keep reading article where businesses have created “things” that can be accessed and controlled via the Internet such as the garage door, air conditioner and pot-plant watering systems. But all they’re doing is adding a module to an existing appliance to get a wow response and hope it sells.
Read moreAnsible as a Puppet Replacement
AGIX is a Linux only (well, 90%) service business so we spend every day installing, upgrading, changing and troubleshooting Linux servers of all types for clients across the world. For the past two years we’ve been using Puppet where suitable and have found it reasonably useful. But as time goes
Read moreSee all merged “Installed” packages Gentoo
Very simple, just run the follow and either use less like below to page through it or use grep to search for your app /usr/bin/equery list “*” | less
Read moreUsing GlusterFS from a Linux Workstation or Server
This is a very short HowTo to access a GlusterFS Volume from a workstation or Server. This document continues from “https://agix.com.au/easily-install-configure-glusterfs-on-redhat-centos/“. It will make more sense if you read that first. mkdir /mnt/gluster mount -t glusterfs 10.0.0.11:/gvol0 /mnt/gluster Where “10.0.0.11” is the IP address of any Gluster server. And “gvol0”
Read moreEasily Install & Configure GlusterFS on Redhat & CentOS
This article demonstrates how to install GlusterFS on a CentOS and Redhat server. I’ve skipped some things such as SELinux, IPtables, fstab mount points, etc. This is a tutorial of the basics. You will have a GlusterFS up in no time but you should spend time to harden it. Run
Read moreDude, Where’s my RAM? (Use of nocache)
“My linux server is running so slow and it appears I am using all of my RAM what is going on?”. To which we reply “It’s a feature not a bug”. Linux is actually being smart and when it encounters a large file transfer (such as backing up large data
Read moreMasking your WebServer’s Name, Version and the OS it’s running on
Recently i wrote about the version information that WebServer’s make available to the web browser. It’s was pointed out to me (by David Fosdike, a security expert) that it would be useful to discuss masking those details for security reasons. The recent article is here. This article is about changing
Read moreEmail the SysAdmin a list of Available Updates daily
This is a one-liner to periodically send an email to the administrator with a list of available packages. /usr/bin/yum check-update | mail -s “Yum Updates Available – `hostname`” [email protected] You can put the above in a Cron job to have it report the list every day or whatever frequency you
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