After some script reading, this tuns out to be documented:
name
When this file exists, the interface will be named
with the text in this file. Without such an entry,
the IP will not be shown by 'ifconfig' but by 'ip
addr ls' only. Such a labeled interface is known
as an "alias" also (e.g. 'eth0:foo').
...sorry to clutter the list, but perhaps someone will find it helpful.
Grisha
On Wed, 6 Oct 2004, Gregory (Grisha) Trubetskoy wrote:
OK, this isn't over yet :-)
I just compiled and installed 2.6.8.1-vs1.9.3-rc2.1, with
util-vserver-0.30.195 on a freshly installed FC1 machine.
Created a vserver, created a config (using the new utils method) when i start
it (with or without hide_netif in the flags file), the interface is NOT
created (ifconfig does not show it from either outside or inside), yet I can
ping the IP number and ssh to the vserver from outside.
I noticed a listdevip tool in utils, it shows:
# ./listdevip
127.0.0.1/255.0.0.0
192.168.1.105/255.255.255.0
192.168.1.130/255.255.255.0
The .130 address is the vserver.
Is this normal?
More info:
The exact config:
# find . -type f -print -exec cat {} \;
./context
1000
./flags
lock
./uts/nodename
test.ispol.com
./nice
9
./interfaces/0/dev
eth0
./interfaces/0/ip
192.168.1.130
./interfaces/0/bcast
192.168.1.255
./interfaces/0/mask
255.255.255.0
./fstab
none /dev/pts devpts gid=5,mode=620 0 0
none /proc proc defaults 0 0
From inside the vserver:
# ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:30:1B:33:8E:9E
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:590 errors:0 dropped:0 overruns:0 frame:0
TX packets:367 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:55077 (53.7 Kb) TX bytes:75701 (73.9 Kb)
Interrupt:209 Base address:0x9000
From outside:
# ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:30:1B:33:8E:9E
inet addr:192.168.1.105 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::230:1bff:fe33:8e9e/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:626 errors:0 dropped:0 overruns:0 frame:0
TX packets:387 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:58251 (56.8 Kb) TX bytes:79517 (77.6 Kb)
Interrupt:209 Base address:0x9000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:16 errors:0 dropped:0 overruns:0 frame:0
TX packets:16 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:1240 (1.2 Kb) TX bytes:1240 (1.2 Kb)
sit0 Link encap:IPv6-in-IPv4
NOARP MTU:1480 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Thanks,
Grisha
On Wed, 6 Oct 2004, Herbert Poetzl wrote:
On Wed, Oct 06, 2004 at 04:28:03PM -0400, Gregory (Grisha) Trubetskoy
wrote:
In vs 1.9.3 I noticed that ifconfig from within a vserver shows the inet
addr of eth0 and lo (in 1.2x it did not) - is this the way it's supposed
to be, or am I missing a configuration option of some kind?
yes! (yes or yes)
it is supposed to be so, and you are probably looking
for VXF_HIDE_NETIF ...
HTH,
Herbert
Thanks!
Grisha
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