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I have installed red hat 2.1 but am unable to get online, my broadband modem is pluged in correctly?? help??

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installed "red hat 2.1" and cannot reach the Internet. posted a general how‑to and suggested moving to a newer distro; both are sensible starting points. Important context: any "2.1" Red Hat release (the old Red Hat Linux era and RHEL 2.1 family) is long out of support, so expect missing drivers, very old network tooling and possible incompatibility with modern cable/DSL modems or home routers. (access.redhat.com)

Quick diagnostics to collect facts (run as root or with sudo):

ifconfig -a
ip link show
cat /etc/sysconfig/network-scripts/ifcfg-eth0
cat /etc/resolv.conf
route -n
ping -c 3 8.8.8.8
ping -c 3 google.com
dmesg | grep -i eth
lspci -nnk | grep -iA2 ethernet

If ifcfg-eth0 should use DHCP, it must contain at minimum DEVICE=eth0, BOOTPROTO=dhcp, ONBOOT=yes; check those values before restarting networking. (docs.redhat.com)

Common, fast fixes based on results:

  • Interface exists but no IP: request DHCP manually: dhclient -v eth0 (or dhclient -r eth0 then dhclient eth0). Check dhclient output for offers. (commandmasters.com)
  • ISP uses PPPoE (common with raw ADSL/modem-in-bridge): install/run an rp-pppoe client (pppoe-setup / pppoe-start) rather than DHCP. (docs.redhat.com)
  • DNS works locally but names fail: add PEERDNS=no plus DNS1=8.8.8.8 (or your ISP DNS) in the ifcfg file or edit /etc/resolv.conf — note Network/DHCP clients may overwrite it. (docs.redhat.com)

Always backup /etc/sysconfig/network-scripts/ifcfg-* and /etc/resolv.conf before editing, and restart the network service (service network restart or /etc/init.d/network restart). If hardware or drivers are missing, or the modem/router requires modern handling, moving to a maintained distribution with up‑to‑date kernel and NetworkManager will save time (as suggested).

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Member Avatar for minamo99

I have installed red hat 2.1 but am unable to get online, my broadband modem is pluged in correctly?? help??

Member Avatar for rubberman

Red Hat 2.x is a long-buried, dead corpse... Download and install current version 5.5 at least. If you don't want to pay the RH licensing fees, try CentOS - it is free and 100% compatible - only the logos have been changed. Go to www.centos.org and download.

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