Copyright Term and the Public Domain in the United States Never Published, Never Registered Works Type of Work Copyright Term In the public domain in the U.S. as of 1 January 2021 3 Unpublished works Life of the author + 70 years Works from authors who died before 1951 Unpublished anonymous and pseudonymous works, and works made for hire (corporate authorship) 120 years from … Read more

Send only Postfix SMTP

Find inet_interfaces parameter and change it to loopback-only. With that parameter, Postfix will not listen for any connections. vi /etc/postfix/ Change the following : inet_interfaces = loopback-only

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