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 moreCategory: Linux
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This page showcases examples of our work, freely shared to aid your learning and implementation efforts. For comprehensive support and a fully optimized compute environment, contact our team to discover how AGIX can help your organization move forward with confidence.
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Using 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”
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Easily 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 moreUse Ansible to Add Users and their SSH public Keys on Multiple Linux Servers
This article demonstrates how to create an Ansible PlayBook that will add users to multiple Linux systems and add their public SSH key allowing them to login securely. Install Ansible on the host that you’ll use to target each of the Linux host you want the new users on. sudo
Read moreDetermine a WebServer type (Apache, IIS, etc)
You might be curious about what brand of web server a company is using to host their website. It’s simple to find out. This example is based on a Bank. Yes a bank, and one that’s using Windows servers for their Internet Banking login server. I’m not saying Windows servers
Read moreApache with LDAP authentication (Active Directory)
Apache has the ability to restrict access to websites (and sub directories within websites) based on users within Active Directory. Apache can also require that users be in a specific group. EG, if Sally exists in AD, she can log into the Apache served website. <VirtualHost *:80> <Location /> AuthBasicProvider
Read moreThe Safe way to remove a SymLink
There are two ways you can remove a symlink in Linux: rm ~/mySymLink Or the safe way: unlink ~/mySymLink Tip: Don’t add a trailing “/” to the end of the directory/link name.
Read moreResize multiple images/photos in seconds (OSX & Linux)
This article explains how to resize images on Linux and OSX. The link below is a great article for resizing many images/photos in one go. I’d argue it’s simpler on a Linux system but i digress. http://osxmactips.blogspot.com.au/2009/04/resize-multiple-pictures-at-once.html On a Linux system you can use the “convert” command which is part
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