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Groups > comp.os.linux.misc > #90367
| From | vallor <vallor@vallor.earth> |
|---|---|
| Newsgroups | comp.os.linux.misc |
| Subject | Re: /dev/tcp |
| Date | 2026-08-23 00:56 +0000 |
| Organization | The Unnamed Newswriter |
| Message-ID | <116dggf$1idoq$1@dont-email.me> (permalink) |
| References | (1 earlier) <1165f0v$3286n$6@dont-email.me> <eli$2608192059@qaz.wtf> <1165u33$36gf9$1@dont-email.me> <eli$2608201414@qaz.wtf> <11682mv$3s8jk$7@dont-email.me> |
At Thu, 20 Aug 2026 23:30:40 -0000 (UTC), Lawrence D’Oliveiro <ldo@nz.invalid> wrote: > On Thu, 20 Aug 2026 18:15:27 -0000 (UTC), Eli the Bearded wrote: > > > In comp.os.linux.misc, Lawrence DOliveiro <ldo@nz.invalid> wrote: > >> > >> On Thu, 20 Aug 2026 00:59:41 -0000 (UTC), Eli the Bearded wrote: > >>> > >>> This came up in the context of "how to test network on a system > >>> with no root and no helpful utilities installed." > >> > >> So a version of bash that supports /dev/tcp is somehow excluded > >> from that “no helpful utilities installed” assumption? > > > > The system being tested did not have bash installed. Busybox > > provided /bin/sh there. > > I thought you said you were testing the *network*, not the *system*. > > You can’t really do that (in general) without access to a proper > suite of diagnostic tools. > > In such a situation, I would try one (or both) of two things: > > * Reboot the machine with a SystemRescue USB stick > <https://www.system-rescue.org/>. That way, I get unconstrained > access to an entire system custom-designed precisely for running > diagnostics. > * Bring in my own machine, which already has my own custom setup on > it, and connect it to the network. > > Both of these also have the advantage of ruling out screwups in the > existing OS installation. > > And if you’re saying the situation would not allow me to do either of > these things, then I would not have accepted the job in the first > place. Have you ever agreed with someone? -- -v System76 Thelio Mega v1.1 x86_64 Mem: 258G OS: Linux 7.2.0 D: Mint 22.3 DE: Xfce 4.18 (X11) NVIDIA GeForce RTX 3090Ti (24G) (610.57.04) "Never hit a man with glasses. Use your fist!"
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/dev/tcp Eli the Bearded <*@eli.users.panix.com> - 2026-08-19 21:20 +0000
Re: /dev/tcp Richard Kettlewell <invalid@invalid.invalid> - 2026-08-19 23:53 +0100
Re: /dev/tcp Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-19 23:42 +0000
Re: /dev/tcp Eli the Bearded <*@eli.users.panix.com> - 2026-08-20 00:59 +0000
Re: /dev/tcp Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-20 03:59 +0000
Re: /dev/tcp Nuno Silva <nunojsilva@invalid.invalid> - 2026-08-20 10:10 +0100
Re: /dev/tcp Eli the Bearded <*@eli.users.panix.com> - 2026-08-20 18:15 +0000
Re: /dev/tcp Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-20 23:30 +0000
Re: /dev/tcp Nuno Silva <nunojsilva@invalid.invalid> - 2026-08-21 01:18 +0100
Re: /dev/tcp Marc Haber <mh+usenetspam2616@zugschl.us> - 2026-08-21 09:52 +0200
Re: /dev/tcp Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-21 08:12 +0000
Re: /dev/tcp Marc Haber <mh+usenetspam2616@zugschl.us> - 2026-08-21 11:16 +0200
Re: /dev/tcp Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-21 22:57 +0000
Re: /dev/tcp Marc Haber <mh+usenetspam2616@zugschl.us> - 2026-08-22 06:17 +0200
Re: /dev/tcp c186282 <c186282@nnada.net> - 2026-08-21 21:50 -0400
Re: /dev/tcp Anssi Saari <anssi.saari@usenet.mail.kapsi.fi> - 2026-08-24 17:42 +0300
Re: /dev/tcp Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-24 23:53 +0000
Re: /dev/tcp c186282 <c186282@nnada.net> - 2026-08-25 02:27 -0400
Re: /dev/tcp vallor <vallor@vallor.earth> - 2026-08-23 00:56 +0000
Re: /dev/tcp Rich <rich@example.invalid> - 2026-08-23 04:01 +0000
Re: /dev/tcp c186282 <c186282@nnada.net> - 2026-08-23 03:37 -0400
Re: /dev/tcp "Carlos E.R." <robin_listas@es.invalid> - 2026-08-23 13:50 +0200
Re: /dev/tcp vallor <vallor@vallor.earth> - 2026-08-23 22:28 +0000
Re: /dev/tcp "Carlos E.R." <robin_listas@es.invalid> - 2026-08-24 09:35 +0200
Overwriting with random data (was: Re: /dev/tcp) Nuno Silva <nunojsilva@invalid.invalid> - 2026-08-24 11:10 +0100
Re: Overwriting with random data "Carlos E.R." <robin_listas@es.invalid> - 2026-08-24 20:34 +0200
Re: Overwriting with random data Richard Kettlewell <invalid@invalid.invalid> - 2026-08-24 20:57 +0100
Re: Overwriting with random data "Carlos E.R." <robin_listas@es.invalid> - 2026-08-24 22:26 +0200
Re: Overwriting with random data c186282 <c186282@nnada.net> - 2026-08-25 02:39 -0400
Re: Overwriting with random data Richard Kettlewell <invalid@invalid.invalid> - 2026-08-25 08:45 +0100
Re: Overwriting with random data "Carlos E.R." <robin_listas@es.invalid> - 2026-08-25 11:36 +0200
Re: Overwriting with random data Richard Kettlewell <invalid@invalid.invalid> - 2026-08-25 15:19 +0100
Re: Overwriting with random data The Natural Philosopher <tnp@invalid.invalid> - 2026-08-25 12:12 +0100
Re: /dev/tcp c186282 <c186282@nnada.net> - 2026-08-25 00:37 -0400
Re: /dev/tcp c186282 <c186282@nnada.net> - 2026-08-24 00:31 -0400
Re: /dev/tcp "Carlos E.R." <robin_listas@es.invalid> - 2026-08-24 09:45 +0200
Re: /dev/tcp The Natural Philosopher <tnp@invalid.invalid> - 2026-08-23 12:52 +0100
Re: /dev/tcp The Natural Philosopher <tnp@invalid.invalid> - 2026-08-23 12:50 +0100
Re: /dev/tcp Rich <rich@example.invalid> - 2026-08-20 13:50 +0000
Re: /dev/tcp c186282 <c186282@nnada.net> - 2026-08-20 13:02 -0400
Re: /dev/tcp Rich <rich@example.invalid> - 2026-08-20 18:26 +0000
Re: /dev/tcp The Natural Philosopher <tnp@invalid.invalid> - 2026-08-21 13:54 +0100
Re: /dev/tcp c186282 <c186282@nnada.net> - 2026-08-21 22:57 -0400
Re: /dev/tcp "Carlos E.R." <robin_listas@es.invalid> - 2026-08-22 21:47 +0200
The hammer is best (Was: /dev/tcp) gazelle@shell.xmission.com (Kenny McCormack) - 2026-08-22 23:50 +0000
Re: The hammer is best (Was: /dev/tcp) c186282 <c186282@nnada.net> - 2026-08-23 04:28 -0400
Re: The hammer is best Richard Kettlewell <invalid@invalid.invalid> - 2026-08-23 10:14 +0100
Re: The hammer is best "Carlos E.R." <robin_listas@es.invalid> - 2026-08-23 13:55 +0200
Re: The hammer is best The Natural Philosopher <tnp@invalid.invalid> - 2026-08-23 13:16 +0100
Re: The hammer is best Marc Haber <mh+usenetspam2616@zugschl.us> - 2026-08-23 21:20 +0200
Re: The hammer is best c186282 <c186282@nnada.net> - 2026-08-24 02:18 -0400
Re: The hammer is best The Natural Philosopher <tnp@invalid.invalid> - 2026-08-24 11:26 +0100
Re: The hammer is best c186282 <c186282@nnada.net> - 2026-08-25 02:06 -0400
Re: The hammer is best The Natural Philosopher <tnp@invalid.invalid> - 2026-08-25 12:18 +0100
Re: The hammer is best Joed Oakes <lost@noway.home.invalid> - 2026-08-23 19:42 -0400
Re: The hammer is best Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-23 23:56 +0000
Re: The hammer is best c186282 <c186282@nnada.net> - 2026-08-24 02:25 -0400
Re: The hammer is best rbowman <bowman@montana.com> - 2026-08-24 01:14 +0000
Re: The hammer is best "Carlos E.R." <robin_listas@es.invalid> - 2026-08-24 09:50 +0200
Re: The hammer is best c186282 <c186282@nnada.net> - 2026-08-25 00:56 -0400
Re: The hammer is best c186282 <c186282@nnada.net> - 2026-08-24 00:53 -0400
Re: The hammer is best rbowman <bowman@montana.com> - 2026-08-24 06:42 +0000
Re: The hammer is best c186282 <c186282@nnada.net> - 2026-08-24 23:34 -0400
Re: The hammer is best rbowman <bowman@montana.com> - 2026-08-25 04:08 +0000
Re: The hammer is best "Carlos E.R." <robin_listas@es.invalid> - 2026-08-25 11:29 +0200
Re: The hammer is best rbowman <bowman@montana.com> - 2026-08-25 18:52 +0000
Re: The hammer is best The Natural Philosopher <tnp@invalid.invalid> - 2026-08-24 11:28 +0100
Re: The hammer is best c186282 <c186282@nnada.net> - 2026-08-25 02:07 -0400
Re: The hammer is best rbowman <bowman@montana.com> - 2026-08-25 06:39 +0000
Re: The hammer is best The Natural Philosopher <tnp@invalid.invalid> - 2026-08-25 12:23 +0100
Re: The hammer is best Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-08-25 18:26 +0000
Re: The hammer is best The Natural Philosopher <tnp@invalid.invalid> - 2026-08-25 20:05 +0100
Re: The hammer is best "Carlos E.R." <robin_listas@es.invalid> - 2026-08-25 21:43 +0200
Re: The hammer is best Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-08-25 20:21 +0000
Re: The hammer is best "Carlos E.R." <robin_listas@es.invalid> - 2026-08-25 23:14 +0200
Re: The hammer is best rbowman <bowman@montana.com> - 2026-08-25 19:08 +0000
Re: The hammer is best The Natural Philosopher <tnp@invalid.invalid> - 2026-08-25 12:20 +0100
Re: The hammer is best c186282 <c186282@nnada.net> - 2026-08-23 22:16 -0400
Re: /dev/tcp Geoff Clare <geoff@clare.See-My-Signature.invalid> - 2026-08-21 13:41 +0100
Re: /dev/tcp Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-21 22:58 +0000
Re: /dev/tcp c186282 <c186282@nnada.net> - 2026-08-21 22:28 -0400
ksh (was: /dev/tcp) Geoff Clare <geoff@clare.See-My-Signature.invalid> - 2026-08-24 13:56 +0100
Bash vs. ksh - Does it matter? And the 'vi' mode thing... (Was: ksh (was: /dev/tcp)) gazelle@shell.xmission.com (Kenny McCormack) - 2026-08-24 14:57 +0000
Re: ksh (was: /dev/tcp) Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-24 21:08 +0000
Re: ksh (was: /dev/tcp) gazelle@shell.xmission.com (Kenny McCormack) - 2026-08-24 21:28 +0000
Re: ksh (was: /dev/tcp) rbowman <bowman@montana.com> - 2026-08-25 01:11 +0000
Re: ksh (was: /dev/tcp) Geoff Clare <geoff@clare.See-My-Signature.invalid> - 2026-08-25 13:25 +0100
Re: ksh (was: /dev/tcp) Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-25 21:58 +0000
Re: ksh c186282 <c186282@nnada.net> - 2026-08-25 02:25 -0400
Re: ksh rbowman <bowman@montana.com> - 2026-08-25 06:52 +0000
Re: ksh The Natural Philosopher <tnp@invalid.invalid> - 2026-08-25 12:27 +0100
Re: ksh Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-08-25 18:26 +0000
Re: ksh Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-25 22:03 +0000
Re: ksh Marco Moock <mm@dorfdsl.de> - 2026-08-25 09:56 +0200
Re: ksh "Carlos E.R." <robin_listas@es.invalid> - 2026-08-25 11:24 +0200
Re: ksh Marc Haber <mh+usenetspam2616@zugschl.us> - 2026-08-25 20:36 +0200
Re: ksh The Natural Philosopher <tnp@invalid.invalid> - 2026-08-25 12:27 +0100
Re: ksh Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-25 22:01 +0000
Re: ksh "Carlos E.R." <robin_listas@es.invalid> - 2026-08-26 01:32 +0200
Re: /dev/tcp Eli the Bearded <*@eli.users.panix.com> - 2026-08-20 18:22 +0000
Re: /dev/tcp The Natural Philosopher <tnp@invalid.invalid> - 2026-08-21 13:57 +0100
Re: /dev/tcp Lars Poulsen <lars@beagle-ears.com> - 2026-08-23 06:37 -0700
Re: /dev/tcp Richard Kettlewell <invalid@invalid.invalid> - 2026-08-23 14:49 +0100
Re: /dev/tcp The Natural Philosopher <tnp@invalid.invalid> - 2026-08-23 16:13 +0100
Re: /dev/tcp Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-23 22:31 +0000
Re: /dev/tcp Richard Kettlewell <invalid@invalid.invalid> - 2026-08-24 19:08 +0100
csiph-web