Articles related to the CentOS Linux distribution; A child of the Linux category.
Check to see if there are any trusted storage pools already configured. Check you can establish communication from web01 to web02. This will fail if the peer isn’t listen or if the firewall is blocking […]
You will need to download the following repository file to the /etc/yum.repos.d/ directory before trying to install the glusterfs-server package. It will pull-in a load of dependencies… …Accept the GPG key imports you are alerted […]
The Rackspace cloud monitoring agent allows you to monitor CPU, memory, filesystem usage and system processes. It does this by collecting information about the system and pushing it out to Rackspace Cloud Monitoring web services, […]
Contents1 Create a Private Cloud Network2 Create a Proxy Server and Attach to the Private Network2.1 Proxy Bastion Configuration2.1.1 CentOS 6.62.1.1.1 Enable IP Forwarding2.1.1.2 Configure Static NAT and Forwarding Rules2.1.2 CentOS 72.1.2.1 Method 12.1.2.1.1 Define […]
To install fail2ban on CentOS/RHEL 7, you first need to make sure you have the EPEL repository enabled. Then you can simply install it with yum as usual. Configure fail2ban You will need to create […]
In Red Hat 7 / CentOS 7, you may need to clear your repository cache if you see the below message when using yum. Repodata is over 2 weeks old. Install yum-cron? Or run: yum […]
Nobody likes to log into their server and see this! Over 31,00 failed root login attempts in just a few days!! Disable Root Logins By default (on my system atleast), root logins are enabled. Before […]
You will need to export some environment variables used by the Nova client. If you have a UK-based Rackspace cloud account, you will need to enter something like this: …And if you have a US, […]
Installing the Rackspace Nova client should just be as simple as installing the below packages. However, you will first need to make sure you have the development tools or the installation will fail with messages […]
I was surprised to find the mkpasswd utility missing from my new installation of CentOS 6.4. Yum has a feature called whatprovides, which can be used to find out which installable package provides some feature, […]
Copyright 2018 © | Pikedom