Here’s a practical approach to managing network configuration on IBM Power servers using Ansible and the ibm.power_hmc collection. Using a playbook as an example, I’ll show how to add a new VLAN…
AIX – health check of NVME drives
Since the release of the Power9 servers, the new servers come with NVMe drives. Internal NVMe drives can be used to install VIOS. This raises the question of what condition the NVMe…
Mastering SSL/TLS Certificate with OpenSSL
SSL (Secure Sockets Layer) and TLS (Transport Layer Security) are cryptographic protocols that secure connections on the Internet. While SSL has been replaced by TLS, both protocols provide secure data transmission. [gspeech]…
IBM Creates Great Technologies, But What Happened to Them?
Today, I found out that IBM engineers created and contributed to adding support for LXC containers to the Linux kernel – a technology that became the foundation of modern containerization. Sounds impressive,…
Error Analysis in AIX: Interpreting ERRPT Sense Data
In the AIX system, when an error occurs, information about it is logged in the error log. By reviewing the errors that have appeared in the system (errpt), we can read basic…
Intruduction to AIX
In the world of technology, Unix systems are often perceived as complex, intended exclusively for a narrow group of specialists with advanced knowledge. IBM AIX, one of the most mature and stable…
Quantum Security: The Future of Data Protection in the Era of Quantum Computers
Quantum Security is a field within cryptography that combines quantum technology with the need to ensure a high level of security in computer systems. It is an emerging area aimed at developing…
Linux on Power and Simultaneous Multi-Threading
Do you know what thread settings can be configured on a system running on an IBM Power10 server? Check it out in the following article:https://www.linkedin.com/pulse/linux-power-smt-close-encounters-third-thread-michal-wiktorek-er85f
Memory Optimization on IBM Power Servers
Power servers are multi-processor systems built on the NUMA (Non-Uniform Memory Access) architecture.In this architecture, each processor has a directly attached portion of RAM and can also access the entire server memory…
Linux on Power and SMT – Close Encounters of the Third Thread
This time, a less serious article, meant to be treated as a fun fact 😉 Every AIX administrator knows the available multithreading settings, which are: But how does this look in the…