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Checked on: Debian Bullseye

Check current setting:

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systemctl get-default

Disable GDM:

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systemctl set-default multi-user.target

Enable if needed again:

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systemctl set-default graphical.target

Run root command:

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service --status-all

Applies for Windows Server 2012r2, 2016 and 2019 You need to update settings on two places: Control Panel -> Internet Options -> Security -> Internet -> Custom level -> Downloads -> file download set to Enable and Internet Explorer enhanced security configuration: Server Manager -> Local Server -> I...

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losetup -f -P image.img

Create file:

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touch /etc/cloud/cloud-init.disabled

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echo "mem" > /sys/power/state

How to check if your Linux system CPU does support x86-64-v2? Open nano: nano check_cpu Paste code: #!/bin/sh -eu flags=$(cat /proc/cpuinfo | grep flags | head -n 1 | cut -d: -f2) supports_v2='awk "/cx16/&&/lahf/&&/popcnt/&&/sse4_1/&&/sse4_2/&&/ssse3/ {fo...

Upgrade requires x86-64-v2 CPU. Login as root. Update currently installed packages: dnf update -y yum install http://repo.almalinux.org/elevate/elevate-release-latest-el$(rpm --eval %rhel).noarch.rpm -y yum install leapp-upgrade vdo leapp-data-almalinux -y Update entries in file: vi /etc/sysconfig/s...

Clean all yum cached data:
Centos, AlmaLinux

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yum clean all

To convert qcow2 image to raw use command:

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qemu-img convert VmImage.qcow2 -O raw VmImage.raw

If qemu-img command is not found, you need to install qemu-utils (Debian/Ubuntu):

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apt-get install qemu-utils

If after command "yum update" on Centos 8 you see: CentOS-8 - AppStream 70 B/s | 38 B 00:00 Error: Failed to download metadata for repo 'AppStream': Cannot prepare internal mirrorlist: No URLs in mirrorlist You can fix it by updating mirrorlist: sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum...

Apps needed:
Putty - terminal client

Debian 10 comes with a lot of new updates. One of them is new reboot command:

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systemctl reboot

You can change Remote Desktop port on your Windows Server machine by running PowerShell commands listed below: $portvalue = 3388 Set-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp' -name "PortNumber" -Value $portvalue New-NetFirewallRule -Dis...

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rpm -qa "httpd"

yum list installed "httpd*"

yum remove "httpd*" -y

rm -rf /var/www

rm -rf /etc/httpd

rm -rf /usr/lib64/httpd

userdel -r apache

Check if it's really removed:

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grep "apache" /etc/passwd

systemctl status httpd

Minimal RAM 2GB, 1cVPU, 2GB storage Operating system: Debian 8 Jessie Update packages apt update Install desktop environment apt install xfce4 xfce4-goodies xorg dbus-x11 x11-xserver-utils Install xrdp apt install xrdp Check xrdp service status: systemctl status xrdp Restart xrdp service systemctl r...

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Search found 53 matches

Debian disable graphicsal interface (GDM)

Debian 11 Bullseye list of services

Windows Server 2012 enable file download

Linux mount raw img disk image

Debian 11 disable cloud-init

Suspend to RAM linux system from shell

Linux x86-64-v2 CPU compatibility check

Upgrade Almalinux 8 to 9

Clear yum cache

Convert the qcow2 image to raw

Centos 8 Failed to download metadata for repo AppStream

Debian 10 reboot command

Windows Server change Remote Desktop port PowerShell

Centos 7 completely remove apache (httpd)

Debian Jessie RDP (xrdp)