Linux System Monitoring Tools For SysAdmin.

More tools can be found in this link https://www.cyberciti.biz/tips/top-linux-monitoring-tools.html Need to monitor Linux server performance? Try these built-in commands and a few add-on tools. Most distributions come with tons of Linux monitoring tools. These tools provide metrics which can be used to get information about system activities. You can use these tools to find the … More Linux System Monitoring Tools For SysAdmin.

Securely erase files and folders on CentOS 7

With the increasing number of data breaches, and the ever tighter regulation surrounding data security – it’s now more important than ever to ensure you securely erase old data.  Physical destruction of hard drives is widely acknowledged as the most secure method, but isn’t always possible.  If, like us, you use cloud servers, you don’t … More Securely erase files and folders on CentOS 7

Setup UFW on CentOS 7

UFW (Uncomplicated Firewall) was originally released for Ubuntu as a simple way to manage netfilter rules.  It makes managing your Linux server firewall extremely easy and is now also available for CentOS. How to setup UFW First, ensure you’ve enabled the EPEL repo. Install the UFW package using yum: [user@server] sudo yum -y install ufw Check … More Setup UFW on CentOS 7

NVMe vs SSD vs HDD

NVMe (Non-volatile memory express) is the latest way to attach storage to a computer.  Rather than using the IDE or SATA connectors of previous drives, it connects directly to PCI Express to allow for faster access. Our history of storage Our first servers, back in 1999, used IDE connectors to connect to our hard drives.  These … More NVMe vs SSD vs HDD

Acronyms in the world of Information Technology

Information Technology Acronyms A ‘short’ list of Acronyms I have come across since working in IT. This isn’t a full list any any stretch of imagination. ACL Access Control List AP Access Point ADFS Active Directory Federation Service ARP Address Resolution Protocol AES Advanced Encryption Standard APT Advanced Persistent Threat ATP Advanced Threat Protection AV … More Acronyms in the world of Information Technology