---

hostnamectl set-hostname student-pc-01.lab.technopark-rgsu.ru

cat > /etc/net/ifaces/enp60s0/resolv.conf <<'EOF'
nameserver 192.168.0.20
EOF

cp -a /etc/resolvconf.conf /etc/resolvconf.conf.bak

python3 - <<'PY'
from pathlib import Path

path = Path("/etc/resolvconf.conf")
text = path.read_text() if path.exists() else ""

settings = {
    "interface_order": "'lo lo[0-9]* lo.* enp60s0'",
    "search_domains": "lab.technopark-rgsu.ru",
}

lines = text.splitlines()
result = []
found = set()

for line in lines:
    stripped = line.strip()
    replaced = False

    for key, value in settings.items():
        if stripped.startswith(f"{key}="):
            result.append(f"{key}={value}")
            found.add(key)
            replaced = True
            break

    if not replaced:
        result.append(line)

for key, value in settings.items():
    if key not in found:
        result.append(f"{key}={value}")

path.write_text("\n".join(result) + "\n")
PY

resolvconf -u