install pyenv/python systemwide on Rocky 9.4

initial setting for linux

useradd

sudo useradd <name>
sudo passwd <name>

install pyenv

download

sudo su -
cd /usr/local

dependencies

dnf install gcc make patch zlib-devel bzip2 bzip2-devel readline-devel sqlite sqlite-devel openssl-devel tk-devel libffi-devel xz-devel

dnf install git
git clone https://github.com/pyenv/pyenv.git pyenv

set login profile

/etc/profile.d/pyenv.sh

echo 'export PYENV_ROOT="/usr/local/pyenv"' >> /etc/profile.d/pyenv.sh
echo '[[ -d $PYENV_ROOT/bin ]] && export PATH="$PYENV_ROOT/bin:$PATH"' >> /etc/profile.d/pyenv.sh
echo 'eval "$(pyenv init - --no-rehash)"' >> /etc/profile.d/pyenv.sh

--no-rehashは次のブログを参考に追記した

check

再ログインする

exec -l $SHELL
pyenv -v

install python for system

dependencies

dnf install gcc make patch zlib-devel bzip2 bzip2-devel readline-devel sqlite sqlite-devel openssl-devel tk-devel libffi-devel xz-devel

python

pyenv install --list
pyenv install 3.9.

これで3.9.Xの候補一覧が出る

pyenv install 3.9.20
pyenv global 3.9.20

check

一般ユーザにて

exec -l $SHELL
python -V

→3.9.20となる