xephem from home:rjmathar project

对于 CentOS 7，请以根用户 root 运行下面命令：

cd /etc/yum.repos.d/
wget https://download.opensuse.org/repositories/home:rjmathar/CentOS_7/home:rjmathar.repo
yum install xephem

对于 Fedora 42，请以根用户 root 运行下面命令：

dnf config-manager addrepo --from-repofile=https://download.opensuse.org/repositories/home:rjmathar/Fedora_42/home:rjmathar.repo
dnf install xephem

对于 Fedora 41，请以根用户 root 运行下面命令：

dnf config-manager addrepo --from-repofile=https://download.opensuse.org/repositories/home:rjmathar/Fedora_41/home:rjmathar.repo
dnf install xephem

对于 openSUSE Tumbleweed，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/home:rjmathar/openSUSE_Tumbleweed/home:rjmathar.repo
zypper refresh
zypper install xephem

对于 15.6，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/home:rjmathar/15.6/home:rjmathar.repo
zypper refresh
zypper install xephem

对于 15.5，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/home:rjmathar/15.5/home:rjmathar.repo
zypper refresh
zypper install xephem

对于 15.4，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/home:rjmathar/15.4/home:rjmathar.repo
zypper refresh
zypper install xephem

对于 xUbuntu 22.04，请运行以下命令：

Keep in mind that the owner of the key may distribute updates, packages and repositories that your system will trust (more information).

echo 'deb http://download.opensuse.org/repositories/home:/rjmathar/xUbuntu_22.04/ /' | sudo tee /etc/apt/sources.list.d/home:rjmathar.list
curl -fsSL https://download.opensuse.org/repositories/home:rjmathar/xUbuntu_22.04/Release.key | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/home_rjmathar.gpg > /dev/null
sudo apt update
sudo apt install xephem

对于 xUbuntu 21.10，请运行以下命令：

Keep in mind that the owner of the key may distribute updates, packages and repositories that your system will trust (more information).

echo 'deb http://download.opensuse.org/repositories/home:/rjmathar/xUbuntu_21.10/ /' | sudo tee /etc/apt/sources.list.d/home:rjmathar.list
curl -fsSL https://download.opensuse.org/repositories/home:rjmathar/xUbuntu_21.10/Release.key | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/home_rjmathar.gpg > /dev/null
sudo apt update
sudo apt install xephem

对于 xUbuntu 21.04，请运行以下命令：

Keep in mind that the owner of the key may distribute updates, packages and repositories that your system will trust (more information).

echo 'deb http://download.opensuse.org/repositories/home:/rjmathar/xUbuntu_21.04/ /' | sudo tee /etc/apt/sources.list.d/home:rjmathar.list
curl -fsSL https://download.opensuse.org/repositories/home:rjmathar/xUbuntu_21.04/Release.key | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/home_rjmathar.gpg > /dev/null
sudo apt update
sudo apt install xephem

对于 xUbuntu 20.04，请运行以下命令：

Keep in mind that the owner of the key may distribute updates, packages and repositories that your system will trust (more information).

echo 'deb http://download.opensuse.org/repositories/home:/rjmathar/xUbuntu_20.04/ /' | sudo tee /etc/apt/sources.list.d/home:rjmathar.list
curl -fsSL https://download.opensuse.org/repositories/home:rjmathar/xUbuntu_20.04/Release.key | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/home_rjmathar.gpg > /dev/null
sudo apt update
sudo apt install xephem