This blog is a collection of articles on analyzing and troubleshooting for all system and database administrators. These guides come from my experience, I hope they can help everyone.
Introduction Hey everyone, while setting up Oracle Linux 9.4, I ran into a frustrating issue: the flatpak search command wasn’t functioning as expected. This can be a real roadblock if… Read more »
Hello guys! Sometimes after an incident in Oracle OVM could be that some virtual machines will go in corrupted and it will need to do an fsck about one o… Read more »
“Transparent Hugepages” is a Linux kernel feature intended to improve performance by making more efficient use of your processor’s memory-mapping hardware. It is enabled (“enabled=always”) by default in most Linux… Read more »
Today we see the list of IP set types supported by firewalld, enter the following command as root. ~]# firewall-cmd –get-ipset-types hash:ip hash:ip,mark hash:ip,port hash:ip,port,ip hash:ip,port,net hash:mac hash:net hash:net,iface hash:net,net… Read more »
Hi there! I’d like to show you how to disable Transparent Huge Pages on CentOS/RedHat 7. First question you might ask – why do you even want to disable Transparent… Read more »