Iordanis Kazanas – Virtual Systems Administrator
ARM vs. x86 ARM: This is a mobile processor architecture first and foremost, and what the majority of phones run now. Qualcomm’s Snapdragon, Samsung’s Exynos, and MediaTek’s mobile chips are all examples of ARM processors. Most modern chips are 64-bit, or ARM64. x86: This is the architecture specification for Intel chips. As dominant as Intel is … Read more
mkdir /mnt/cdrom mount /dev/cdrom/ /mnt/cdrom/ sudo apt-cdrom -m -d /media/cdrom add sudo apt-cdrom -m -d /media/cdrom add cat /etc/apt/sources.list
tar -zcvf archive.tar.gz directory/
vi /etc/default/grub # Uncomment to disable graphical terminal (grub-pc only) GRUB_TERMINAL=console sudo update-grub Reboot
Find inet_interfaces parameter and change it to loopback-only. With that parameter, Postfix will not listen for any connections. vi /etc/postfix/main.cf Change the following : inet_interfaces = loopback-only
cat filename | grep .
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
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
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