Prepare a host server to run PeopleSoft Containers with Podman

preparePodman.sh

# Configure current user for rootless containers
echo "${USER}:231072:65536" | sudo tee -a  "/etc/subuid"
echo "${USER}:231072:65536" | sudo tee -a  "/etc/subgid"
/bin/systemctl --user daemon-reload
podman system migrate

# Configure container.conf
sudo cp "/usr/share/containers/containers.conf"                         "/etc/containers"
sudo sed -i 's/network_backend = "cni"/network_backend = "netavark"/g'  "/etc/containers/containers.conf"
sudo sed -i 's/#stop_timeout = 10/stop_timeout = 90/g'                  "/etc/containers/containers.conf"

# Configure storage.conf
sudo sed -i 's|# rootless_storage_path = "$HOME/.local/share/containers/storage"|rootless_storage_path = "/scratch/podmanstorage/share/containers/storage"|g' "/etc/containers/storage.conf"
sudo mkdir -p       "/scratch/podmanstorage/share/containers/storage"
sudo chmod 777      "/scratch"
sudo chmod 777 -R   "/scratch/podmanstorage"

# Setup Podman TMPDIR
sudo mkdir -p       "/scratch/tmp"
sudo chmod -R 777   "/scratch/tmp"

# Allow contianers to run in background
sudo loginctl enable-linger "$(whoami)"
sudo touch "/etc/containers/nodocker"

# Set .bashrc for current user
tee -a ~/.bash_profile <<EOF
export BUILDAH_FORMAT=docker
export BUILDAH_ISOLATION=chroot
export TMPDIR=/scratch/tmp
EOF
source ~/.bash_profile

# Configure host for Opensearch
sudo tee -a "/etc/sysctl.conf" <<EOF
# sysctl setting for Peopletools
kernel.msgmnb = 65538
kernel.msgmni = 1024
kernel.msgmax = 65536
kernel.shmmax = 68719476736
kernel.shmall = 4294967296
kernel.core_uses_pid = 1
net.ipv4.tcp_keepalive_time = 90
net.ipv4.tcp_timestamps = 1
net.ipv4.tcp_window_scaling = 1
net.ipv4.ip_local_port_range = 10000 65500
# sysctl setting for Peopletools search
vm.max_map_count=262144
net.core.somaxconn=1024
net.ipv4.ip_unprivileged_port_start = 80
EOF
sudo /sbin/sysctl -p

sudo tee -a "/etc/security/limits.conf" <<EOF
${USER} soft    nofile  65536
${USER} hard    nofile  65536
${USER} soft    nproc 131072
${USER} hard    nproc 131072
${USER} soft    core  unlimited
${USER} hard    core  unlimited
${USER} soft    memlock 500000
${USER} hard    memlock 500000
EOF