[CentOS] RHEL 7 Beta is now public

Steve Clark sclark at netwolves.com
Thu Dec 12 23:47:40 UTC 2013


Does NM need a gui to configure interfaces, etc.

On 12/12/2013 09:40 AM, James Hogarth wrote:
> On 12 December 2013 14:06, <m.roth at 5-cent.us> wrote:
>
>> Marko Vojinovic wrote:
>>> By the same logic you could argue that a text editor is not required
>>> for a bare minimum --- namely, you can always use cat and echo from the
>>> command line to "edit" the config files.
>>>
>>> The point of the text editor in a minimal installation is to make life
>>> easier for a sysadmin. The point of NetworkManager is the same --- it
>>> is included so that you don't have to "just set your ifcfg-eth0
>>> scripts".
>> I disagree. NetworkManager is fine... on a laptop, where you're going to
>> be moving it from network to network. For a wired network - that is, for
>> any server (remember the "Enterprise" part of the name?) - it's utterly
>> unnecessary. And it wall worked fine before NM. And NM has caused problems
>> on occasion, before we just turned the thing *off*.
>>
>>
>>
> The NetworkManager in EL6 is pretty poor - everyone knows that.
>
> The NetworkManager in F19/20 (and EL7) is a vastly different beast with
> most of the reasons for disabling it in EL6 (bonding, bridging, vlans, etc)
> no longer being an issue.
>
> Remember that the standard network service is literally source the relevant
> ifcfg-*, rule-* or route-* file and then using the variables just sourced
> run shell scripts calling ip addr, ip link, ip route, ip rule, etc to get
> the system into the state you want.
>
> One of the drivers behind systemd in the beginning was to avoid arbitrary
> shell scripts configuring the system and resulting in the potential for
> confusion with selinux contexts and inherited environments when directly
> run by a user...
>
> With NM handling the connection the correct details are obtained and then
> through the netlink APIs the interfaces configured as per the state desired
> without shell scripts and forking all over the place...
>
> Read through the networking documentation, fire up a EL7 system and give it
> an honest try:
>
> https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/7-Beta/html-single/Networking_Guide/index.html
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-- 
Stephen Clark
*NetWolves*
Director of Technology
Phone: 813-579-3200
Fax: 813-882-0209
Email: steve.clark at netwolves.com
http://www.netwolves.com



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