Centos what firewall is running

Firewalld is the default firewall manager on CentOS sudo systemctl status firewalld # firewall-cmd –get-zones block dmz drop external home internal nm-shared public trusted work # firewall-cmd –get-default-zone public # firewall-cmd –get-active-zones public interfaces: eth1 eth0 # firewall-cmd –list-all public (active) target: default icmp-block-inversion: no interfaces: eth0 eth1 sources: services: cockpit dhcpv6-client http https ssh ports: … Read more

Ubuntu 20.04.3 uninstall and install AMD drivers

dpkg –list | grep amdgpu ii amdgpu-pin 20.50-1234664 all Meta package to pin a specific amdgpu driver version. ii amdgpu-pro-pin 20.50-1234664 all Meta package to pin a specific amdgpu pro driver version. ii libdrm-amdgpu1:amd64 2.4.102-1ubuntu1~20.04.1 amd64 Userspace interface to amdgpu-specific kernel DRM services — runtime ii rock-dkms 1:4.1-26 all amdgpu driver in DKMS format. ii … Read more

Kubernetes vs. Docker

https://containerjournal.com/topics/container-ecosystems/kubernetes-vs-docker-a-primer/ The differences and similarities between two of the most influential open source projects of 2018. Kubernetes versus Docker is a topic that has been raised numerous times in the cloud computing industry. Whether you come from a non-technical background and need a quick introduction or if you need to make a business decision, I … Read more