Network Manager disable, network-is-unreachable

Issues related to configuring your network
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huseyinceng
Posts: 3
Joined: 2017/10/20 12:12:56

Network Manager disable, network-is-unreachable

Post by huseyinceng » 2017/10/20 12:24:49

Hello

Not access internet connectin or network
centos 7.4 latest version install
http://isoredirect.centos.org/centos/7/ ... l-1708.iso


systemctl stop NetworkManager
systemctl disable NetworkManager

Add the below parameter in /etc/sysconfig/network-scripts/ifcfg-ethX > http://prntscr.com/gzroav
NM_CONTROLLED="no"

/etc/resolv.conf
nameserver [server 1]
nameserver [server 2]

systemctl enable network
systemctl restart network
or
reboot

service network status
Configured devices:
lo ens192
Currently active devices:
lo ens192

i need cpanel install,
NM enable > work network, access internet (cpanel not install error)
NM disable > notworking network
https://documentation.cpanel.net/displa ... rk+Manager

Thank you
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TrevorH
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Re: Network Manager disable, network-is-unreachable

Post by TrevorH » 2017/10/20 13:43:14

Is there a question there?
CentOS 6 died in November 2020 - migrate to a new version!
Info for USB installs on http://wiki.centos.org/HowTos/InstallFromUSBkey
CentOS 5 is dead, do not use it.
Full time Geek, part time moderator. Use the FAQ Luke

huseyinceng
Posts: 3
Joined: 2017/10/20 12:12:56

Re: Network Manager disable, network-is-unreachable

Post by huseyinceng » 2017/10/20 14:13:52

Hello
https://documentation.cpanel.net/displa ... rk+Manager

When I disable NetworkManager, Why Network not working ?

commands I run ssh;
systemctl stop NetworkManager.service
systemctl disable NetworkManager.service

nano /etc/sysconfig/network-scripts/ifcfg-ethX > http://prntscr.com/gzroav
NM_CONTROLLED=no
ONBOOT=yes

systemctl enable network
systemctl restart network

network not working.

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TrevorH
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Re: Network Manager disable, network-is-unreachable

Post by TrevorH » 2017/10/20 14:33:43

A netmask of 255.255.255.255 is most likely wrong. It only allows you to talk to your own ip address.
CentOS 6 died in November 2020 - migrate to a new version!
Info for USB installs on http://wiki.centos.org/HowTos/InstallFromUSBkey
CentOS 5 is dead, do not use it.
Full time Geek, part time moderator. Use the FAQ Luke

huseyinceng
Posts: 3
Joined: 2017/10/20 12:12:56

Re: Network Manager disable, network-is-unreachable

Post by huseyinceng » 2017/10/20 14:40:43

Hello

OVH DataCenter
https://docs.ovh.com/gb/en/dedicated/ne ... paliasing/
http://prntscr.com/gztlci

Have to be 255.255.255.255

Thank you,

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TrevorH
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Posts: 30575
Joined: 2009/09/24 10:40:56
Location: Brighton, UK

Re: Network Manager disable, network-is-unreachable

Post by TrevorH » 2017/10/20 16:08:04

Questions about OVH systems need to be addressed to OVH as they do a number of non-standard weird things.
CentOS 6 died in November 2020 - migrate to a new version!
Info for USB installs on http://wiki.centos.org/HowTos/InstallFromUSBkey
CentOS 5 is dead, do not use it.
Full time Geek, part time moderator. Use the FAQ Luke

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