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Date: Tue, 10 Apr 2018 16:07:23 +0300
From: Alex Moskalenko <mav@elserv.msk.su>
To: sysadmins@lists.altlinux.org
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Subject: Re: [Sysadmins] =?utf-8?b?0JfQsNCz0YDRg9C30LrQsCBBTFQgTGludXggUmVz?=
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=D0=92 Tue, 10 Apr 2018 14:57:35 +0200
Konstantin Lepikhov <lakostis@unsafe.ru> =D0=BF=D0=B8=D1=88=D0=B5=D1=82:

> Hi Alex!
>=20
> On 04/10/2018, at 03:44:55 PM you wrote:
>=20
> > =D0=92 Tue, 10 Apr 2018 14:29:41 +0200
> > Konstantin Lepikhov <lakostis@unsafe.ru> =D0=BF=D0=B8=D1=88=D0=B5=D1=82:
> >  =20
> > > propagator =D0=B7=D0=B0=D0=BF=D1=83=D1=81=D0=BA=D0=B0=D0=B5=D1=82 ude=
v =D0=BF=D0=B5=D1=80=D0=B5=D0=B4 =D1=81=D0=BE=D0=B1=D1=81=D1=82=D0=B2=D0=B5=
=D0=BD=D0=BD=D0=BE =D0=BF=D0=BE=D0=B8=D1=81=D0=BA=D0=BE=D0=BC =D1=83=D1=81=
=D1=82=D1=80=D0=BE=D0=B9=D1=81=D1=82=D0=B2, =D1=82.=D0=B5.
> > > =D0=B5=D1=81=D0=BB=D0=B8 =D0=BA=D0=B0=D1=80=D1=82=D0=B0 =D1=82=D0=B0=
=D0=BC =D0=BD=D0=B5 =D0=BE=D0=B1=D0=BD=D0=B0=D1=80=D1=83=D0=B6=D0=B8=D0=BB=
=D0=B0=D1=81=D1=8C, =D1=82=D0=BE =D0=B2 dmesg =D0=B4=D0=BE=D0=BB=D0=B6=D0=
=BD=D0=BE =D0=B1=D1=8B=D1=82=D1=8C =D1=87=D1=82=D0=BE-=D1=82=D0=BE.
> > > =D0=95=D1=81=D1=82=D1=8C =D0=BB=D0=B8 =D0=B5=D1=89=D0=B5 =D1=81=D0=BE=
=D0=BE=D0=B1=D1=89=D0=B5=D0=BD=D0=B8=D1=8F =D0=BD=D0=B0 =D0=B4=D1=80=D1=83=
=D0=B3=D0=B8=D1=85 =D0=BA=D0=BE=D0=BD=D1=81=D0=BE=D0=BB=D1=8F=D1=85?
> > >  =20
> >=20
> > =D0=A1=D1=80=D0=B0=D0=B7=D1=83 =D0=BF=D0=BE=D1=81=D0=BB=D0=B5 =D1=81=D0=
=BE=D0=BE=D0=B1=D1=89=D0=B5=D0=BD=D0=B8=D1=8F "No network device found" =D0=
=BF=D0=B5=D1=80=D0=B5=D0=BA=D0=BB=D1=8E=D1=87=D0=B0=D1=8E=D1=81=D1=8C =D0=
=BD=D0=B0
> > =D0=B2=D1=82=D0=BE=D1=80=D1=83=D1=8E =D0=BA=D0=BE=D0=BD=D1=81=D0=BE=D0=
=BB=D1=8C (=D0=BE=D0=B1=D0=BE=D0=BB=D0=BE=D1=87=D0=BA=D0=B0). lsmod - =D0=
=BF=D1=83=D1=81=D1=82=D0=BE. ls /sys/class/net - lo.
> > udevd --resolve-names=3Dnever =D0=B2 =D0=BF=D1=80=D0=BE=D1=86=D0=B5=D1=
=81=D1=81=D0=B0=D1=85 =D0=BF=D1=80=D0=B8=D1=81=D1=83=D1=82=D1=81=D1=82=D0=
=B2=D1=83=D0=B5=D1=82. =D0=9D=D0=B0 4=D0=B9 =D0=BA=D0=BE=D0=BD=D1=81=D0=BE=
=D0=BB=D0=B8
> > - =D0=BE=D0=B1=D1=8B=D1=87=D0=BD=D1=8B=D0=B9 =D0=BB=D0=BE=D0=B3 =D0=B7=
=D0=B0=D0=B3=D1=80=D1=83=D0=B7=D0=BA=D0=B8 =D1=8F=D0=B4=D1=80=D0=B0, =D0=BD=
=D0=B8=D0=BA=D0=B0=D0=BA=D0=B8=D1=85 =D0=BF=D0=BE=D0=BF=D1=8B=D1=82=D0=BE=
=D0=BA =D0=B7=D0=B0=D0=B3=D1=80=D1=83=D0=B7=D0=B8=D1=82=D1=8C =D0=BA=D0=B0=
=D0=BA=D0=B8=D0=B5-=D0=BB=D0=B8=D0=B1=D0=BE
> > =D0=BC=D0=BE=D0=B4=D1=83=D0=BB=D0=B8 =D0=BD=D0=B5 =D0=BD=D0=B0=D0=B1=D0=
=BB=D1=8E=D0=B4=D0=B0=D0=B5=D1=82=D1=81=D1=8F.
> >=20
> > =D0=95=D1=81=D0=BB=D0=B8 =D0=BD=D0=B0 =D0=B2=D1=82=D0=BE=D1=80=D0=BE=D0=
=B9 =D0=BA=D0=BE=D0=BD=D1=81=D0=BE=D0=BB=D0=B8 =D0=B2 =D1=88=D0=B5=D0=BB=D0=
=BB=D0=B5 =D0=B2=D1=8B=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D1=8C udevadm tr=
igger
> > --action=3Dadd, =D1=82=D0=BE =D0=B7=D0=B0=D0=B3=D1=80=D1=83=D0=B6=D0=B0=
=D1=8E=D1=82=D1=81=D1=8F =D0=BC=D0=BE=D0=B4=D1=83=D0=BB=D0=B8 =D0=B4=D0=BB=
=D1=8F =D0=BD=D0=B0=D0=B9=D0=B4=D0=B5=D0=BD=D0=BD=D1=8B=D1=85 =D1=83=D1=81=
=D1=82=D1=80=D0=BE=D0=B9=D1=81=D1=82=D0=B2, =D0=B2 =D1=82=D0=BE=D0=BC
> > =D1=87=D0=B8=D1=81=D0=BB=D0=B5 =D0=B8 =D1=81=D0=B5=D1=82=D0=B5=D0=B2=D0=
=BE=D0=B9 =D0=BA=D0=B0=D1=80=D1=82=D1=8B, =D0=BF=D0=BE=D1=8F=D0=B2=D0=BB=D1=
=8F=D0=B5=D1=82=D1=81=D1=8F /sys/class/net/eth0 =D0=B8 propagator
> > =D0=BF=D1=80=D0=BE=D0=B4=D0=BE=D0=BB=D0=B6=D0=B0=D0=B5=D1=82 =D1=81=D0=
=B2=D0=BE=D1=8E =D1=80=D0=B0=D0=B1=D0=BE=D1=82=D1=83 (=D0=BF=D0=BE=D0=B4=D0=
=BD=D0=B8=D0=BC=D0=B0=D0=B5=D1=82 eth0, =D0=BF=D0=BE=D0=BB=D1=83=D1=87=D0=
=B0=D0=B5=D1=82 ip, =D0=B7=D0=B0=D0=B3=D1=80=D1=83=D0=B6=D0=B0=D0=B5=D1=82
> > stage2), =D0=BF=D1=80=D0=B0=D0=B2=D0=B4=D0=B0, =D0=B2 =D1=80=D1=83=D1=
=87=D0=BD=D0=BE=D0=BC =D1=80=D0=B5=D0=B6=D0=B8=D0=BC=D0=B5.
> >=20
> > =D0=9C=D0=BE=D0=B6=D0=B5=D1=82, =D0=BD=D1=83=D0=B6=D0=BD=D0=BE =D0=BA=
=D1=83=D0=B4=D0=B0-=D0=BD=D0=B8=D0=B1=D1=83=D0=B4=D1=8C =D0=B2=D1=81=D1=82=
=D0=B0=D0=B2=D0=B8=D1=82=D1=8C =D1=8D=D1=82=D0=BE=D1=82 =D1=81=D0=B0=D0=BC=
=D1=8B=D0=B9 udevadm trigger
> > --action=3Dadd?... =20
>=20
> =D0=A5=D0=BC, =D0=B8=D0=BD=D1=82=D0=B5=D1=80=D0=B5=D1=81=D0=BD=D0=BE:
>=20
> [lakostis@lks propagator]$ git grep udevtrigger_add
> cdrom.c:extern char *udevtrigger_add[];
> cdrom.c:                        spawn(udevtrigger_add);
> disk.c:extern char *udevtrigger_add[];
> disk.c:                 spawn(udevtrigger_add);
> init.c:char *udevtrigger_add[] =3D {"/sbin/udevadm", "udevadm",
> "trigger", "--action=3Dadd", NULL};
>=20
> [lakostis@lks propagator]$ git grep udevtrigger
> init.c:char *udevtrigger[] =3D {"/sbin/udevadm", "udevadm", "trigger",
> NULL}; init.c: if (waitpid(spawn(udevtrigger), &wait_status, 0) < 0 ||
> init.c:         warn("udevtrigger");
>=20
> =D1=82.=D0=B5. propagator =D0=BF=D1=80=D0=B8 =D0=B7=D0=B0=D0=B3=D1=80=D1=
=83=D0=B7=D0=BA=D0=B5 =D0=B4=D0=B5=D1=80=D0=B3=D0=B0=D0=B5=D1=82 udevadm tr=
igger =D0=BD=D0=B0 =D1=80=D0=B0=D0=BD=D0=BD=D0=B5=D0=B9 =D1=81=D1=82=D0=B0=
=D0=B4=D0=B8=D0=B8,
> =D0=B4=D0=B0=D0=BB=D0=B5=D0=B5 trigger --action=3Dadd =D0=B4=D0=B5=D1=80=
=D0=B3=D0=B0=D0=B5=D1=82=D1=81=D1=8F =D1=82=D0=BE=D0=BB=D1=8C=D0=BA=D0=BE =
=D0=B4=D0=BB=D1=8F =D0=BC=D0=B5=D1=82=D0=BE=D0=B4=D0=BE=D0=B2 disk =D0=B8 c=
drom.
> =D0=9D=D0=B0=D0=B2=D0=B5=D1=80=D0=BD=D0=BE=D0=B5, =D1=8D=D1=82=D0=BE =D0=
=B1=D0=B0=D0=B3, =D0=B8 =D1=81=D1=82=D0=BE=D0=B8=D1=82 =D0=B4=D0=BE=D0=B1=
=D0=B0=D0=B2=D0=B8=D1=82=D1=8C udevtrigger_add =D0=B4=D0=BB=D1=8F =D0=BC=D0=
=B5=D1=82=D0=BE=D0=B4=D0=B0
> network?
>=20
> PS =D0=B2=D1=81=D0=B5 =D0=BC=D0=BE=D0=B8 =D0=BF=D0=BE=D0=B7=D0=BD=D0=B0=
=D0=BD=D0=B8=D1=8F propagator =D0=BE=D1=81=D0=BD=D0=BE=D0=B2=D0=B0=D0=BD=D1=
=8B =D0=BE=D0=BF=D1=8B=D1=82=D0=B5 10=D1=82=D0=B8-=D0=BB=D0=B5=D1=82=D0=BD=
=D0=B5=D0=B9 =D0=B4=D0=B0=D0=B2=D0=BD=D0=BE=D1=81=D1=82=D0=B8,
> =D1=82=D0=B0=D0=BA =D1=87=D1=82=D0=BE =D1=8F =D0=BD=D0=B8=D0=BA=D0=B0=D0=
=BA =D0=BD=D0=B5 =D1=80=D0=B0=D0=B7=D1=80=D0=B0=D0=B1=D0=BE=D1=82=D1=87=D0=
=B8=D0=BA =D1=8D=D1=82=D0=BE=D0=B9 =D0=BF=D1=80=D0=BE=D0=B3=D1=80=D0=B0=D0=
=BC=D0=BC=D1=8B )
>=20

=D0=9D=D1=83 =D1=8F =D1=82=D1=83=D1=82 =D1=82=D0=BE=D1=87=D0=BD=D0=BE =D0=
=BD=D0=B5 =D0=BF=D0=BE=D0=BC=D0=BE=D0=B3=D1=83, =D1=82=D0=B0=D0=BA =D0=BA=
=D0=B0=D0=BA =D1=83 =D0=BC=D0=B5=D0=BD=D1=8F =D0=BF=D0=BE=D0=B7=D0=BD=D0=B0=
=D0=BD=D0=B8=D1=8F =D0=BF=D0=BE "=D0=B2=D0=BD=D1=83=D1=82=D1=80=D0=B5=D0=BD=
=D0=BD=D0=BE=D1=81=D1=82=D1=8F=D0=BC"
propagator'=D0=B0 =D0=BF=D1=80=D0=BE=D1=81=D1=82=D0=BE =D0=BE=D1=82=D1=81=
=D1=83=D1=82=D1=81=D1=82=D0=B2=D1=83=D1=8E=D1=82. :) =D0=A0=D0=B0=D0=B7=D0=
=B2=D0=B5 =D1=87=D1=82=D0=BE =D0=B1=D0=B0=D0=B3 =D0=BC=D0=BE=D0=B3=D1=83 =
=D0=BF=D0=BE=D0=B2=D0=B5=D1=81=D0=B8=D1=82=D1=8C.

=D0=A5=D0=BE=D1=82=D1=8F =D1=82=D0=B5=D1=80=D0=B7=D0=B0=D1=8E=D1=82 =D0=BC=
=D0=B5=D0=BD=D1=8F =D1=81=D0=BE=D0=BC=D0=BD=D0=B5=D0=BD=D0=B8=D1=8F - =D0=
=BD=D0=B5=D1=83=D0=B6=D0=B5=D0=BB=D0=B8 =D0=BD=D0=B8=D0=BA=D1=82=D0=BE =D0=
=BD=D0=B5 =D0=BF=D1=8B=D1=82=D0=B0=D0=BB=D1=81=D1=8F
=D1=83=D1=81=D1=82=D0=B0=D0=BD=D0=BE=D0=B2=D0=B8=D1=82=D1=8C/=D0=B7=D0=B0=
=D0=B3=D1=80=D1=83=D0=B7=D0=B8=D1=82=D1=8C liveCD ALT Linux =D0=BF=D0=BE =
=D1=81=D0=B5=D1=82=D0=B8? =D0=92=D0=B5=D0=B4=D1=8C =D1=8D=D1=82=D0=BE =D0=
=B4=D0=BE=D0=BB=D0=B6=D0=BD=D0=BE
=D0=BE=D0=B1=D1=8F=D0=B7=D0=B0=D1=82=D0=B5=D0=BB=D1=8C=D0=BD=D0=BE =D0=B2=
=D1=8B=D0=BB=D0=B5=D0=B7=D1=82=D0=B8 =D0=BF=D1=80=D0=B8 =D1=83=D1=81=D1=82=
=D0=B0=D0=BD=D0=BE=D0=B2=D0=BA=D0=B5! =D0=9C=D0=BE=D0=B6=D0=B5=D1=82, =D0=
=B2=D1=81=D0=B5-=D1=82=D0=B0=D0=BA=D0=B8 =D1=87=D1=82=D0=BE-=D1=82=D0=BE =
=D0=BD=D0=B5 =D1=82=D0=B0=D0=BA =D1=83 =D0=BC=D0=B5=D0=BD=D1=8F?