Re: single user question

2019-05-21 Thread James Huddle
Sorry. Stefan. Batting 1000. -Jim On Tue, May 21, 2019 at 1:20 PM James Huddle wrote: > Just a quick shout-out to Roderick: > Thank you for the paper reference. It's probably perfect for my needs, > but I've been a bit busy, as of late. So no papers, regardless of year > written. > One of

Re: single user question

2019-05-21 Thread James Huddle
Just a quick shout-out to Roderick: Thank you for the paper reference. It's probably perfect for my needs, but I've been a bit busy, as of late. So no papers, regardless of year written. One of my favorite references is Thompson's "Reflections on Trusting Trust" so I'm hep to your SuperFly-Era

Re: ffs undelete was: Re: single user question

2019-05-21 Thread Ingo Schwarze
Hi, Edgar Pettijohn wrote on Fri, May 17, 2019 at 03:47:41PM -0500: > On 5/17/19 2:34 PM, Nathan Hartman wrote: >> In the history of the (Berkeley) Fast File System, has there ever >> been an attempt to implement DOS-like undelete for FFS/UFS? >> >> Maybe that could work for "normal delete"

Re: ffs undelete was: Re: single user question

2019-05-18 Thread ian
> you can write a shell script to move given parameters into a special folder > and make alias rm="that_script" > and a rc script which empty this folder at boot/shutdown. That is indeed the recommended approach for those who need it. An example was published in the O'Reilly book Unix Power

Re: ffs undelete was: Re: single user question

2019-05-18 Thread Edgar Pettijohn
On May 18, 2019 4:08 AM, Solène Rapenne wrote: > > Le 2019-05-17 22:47, Edgar Pettijohn a écrit : > > On May 17, 2019 3:14 PM, gwes wrote: > >> > >> > >> > >> On 5/17/19 2:34 PM, Nathan Hartman wrote: > >> > On Fri, May 17, 2019 at 12:28 PM ropers wrote: > >> > > >> > > >> > In the history

Re: ffs undelete was: Re: single user question

2019-05-18 Thread Solène Rapenne
Le 2019-05-17 22:47, Edgar Pettijohn a écrit : On May 17, 2019 3:14 PM, gwes wrote: On 5/17/19 2:34 PM, Nathan Hartman wrote: > On Fri, May 17, 2019 at 12:28 PM ropers wrote: > > > In the history of the (Berkeley) Fast File System, has there ever been > an attempt to implement DOS-like

Re: ffs undelete was: Re: single user question

2019-05-17 Thread Edgar Pettijohn
On May 17, 2019 3:14 PM, gwes wrote: > > > > On 5/17/19 2:34 PM, Nathan Hartman wrote: > > On Fri, May 17, 2019 at 12:28 PM ropers wrote: > > > > > > In the history of the (Berkeley) Fast File System, has there ever been > > an attempt to implement DOS-like undelete for FFS/UFS? > > > > Maybe

ffs undelete was: Re: single user question

2019-05-17 Thread gwes
On 5/17/19 2:34 PM, Nathan Hartman wrote: On Fri, May 17, 2019 at 12:28 PM ropers wrote: In the history of the (Berkeley) Fast File System, has there ever been an attempt to implement DOS-like undelete for FFS/UFS? Maybe that could work for "normal delete" while making available a

Re: single user question

2019-05-17 Thread Nathan Hartman
On Fri, May 17, 2019 at 12:28 PM ropers wrote: > > In the history of the (Berkeley) Fast File System, has there ever been > an attempt to implement DOS-like undelete for FFS/UFS? > (I understand that for technical reasons, this could require running a > daemon that remembers just enough metadata

Re: single user question

2019-05-17 Thread ropers
On 17/05/2019, Roderick wrote: > As far as I know, DOS was not multitasking. You're mostly correct, except there were task-switchers and there were some multitasking-capable versions of DOS, notably Novell (ex-DR-) DOS 7. This was not very successful in the marketplace, in part because it was

Re: single user question

2019-05-17 Thread Roderick
On Fri, 17 May 2019, gwes wrote: You are correct on the surface and very misled as to the underlying concept. You gave him an excellent answer. I hope many people read it. He should just read the Unix paper I mentioned in other post. Not the multiusersystem is a burden, bloat in modern

Re: single user question

2019-05-16 Thread gwes
On 5/16/19 9:05 PM, James Huddle wrote: First of all, I must say that it is with genuine gratitude that I read your responses! Mov Probably the same reason that you would say "...I might trigger other people to say some rude things..." Often I feel that by merely stating my opinion, here, I

Re: single user question

2019-05-16 Thread James Huddle
First of all, I must say that it is with genuine gratitude that I read your responses! Moving on... On Wed, May 15, 2019 at 3:05 PM James Huddle wrote: >> What I am trying to do (thank you Troy Martin), is work through >> the standard answers and missteps toward a more secure OS, >> starting

Re: single user question

2019-05-16 Thread Roderick
On Thu, 16 May 2019, Ingo Schwarze wrote: Wow. Some might feel offended when somebody, in 2019, asks them to read a text written in 1975 in order to improve their understanding of computer security. Or perhaps he should read this to get an idea of how to write an init program:

Re: single user question

2019-05-15 Thread Ingo Schwarze
Hi, Stefan R. Filipek wrote on Wed, May 15, 2019 at 05:20:04PM -0400: > If you have not already, be sure to read the 1975 paper "The > Protection of Information in Computer Systems" by Saltzer, et. al., at > least through section 1 A, for an introduction to computer security. Wow. Some might

Re: single user question

2019-05-15 Thread Stefan R. Filipek
If you have not already, be sure to read the 1975 paper "The Protection of Information in Computer Systems" by Saltzer, et. al., at least through section 1 A, for an introduction to computer security.

Re: single user question

2019-05-15 Thread Raul Miller
On Wed, May 15, 2019 at 3:05 PM James Huddle wrote: > What I am trying to do (thank you Troy Martin), is work through > the standard answers and missteps toward a more secure OS, > starting with OpenBSD and a flashlight. It is my humble opinion > that the optimal number of users for (say) a

Re: single user question

2019-05-15 Thread James Huddle
>What I"m saying is that it takes less work overall to subtract from a >system in a supportable way than it is to try and handcraft an >unsupportable system. If you know the supportable system well and your goal is only a slight variation of that that system does, then that makes perfect sense.

Re: single user question

2019-05-10 Thread Misc User
On 5/10/2019 1:28 AM, cho...@jtan.com wrote: Misc User writes: It is theoretically possible to do that, but you'd have to do -a lot- of work to get it to do so. It'd be much easier finding a proper way to accomplish what you want without running single-user. I wouldn't recommend using single

Re: single user question

2019-05-10 Thread chohag
Misc User writes: > It is theoretically possible to do that, but you'd have to do -a lot- > of work to get it to do so. It'd be much easier finding a proper > way to accomplish what you want without running single-user. I wouldn't recommend using single user mode to do anything other than repair

Re: single user question

2019-05-09 Thread Troy Martin
James Huddle on Thursday, May 9, 2019 9:22 AM: > Is anyone running in single-user mode regularly? > Is anyone running a web server, for instance, in single-user mode? This reads a lot like one of those questions where someone asks how to do a specific thing in a very specific way with a very

Re: single user question

2019-05-09 Thread Misc User
On 5/9/2019 9:21 AM, James Huddle wrote: If the following questions trigger a sense of road rage, you may safely assume they are not directed to you. Is anyone running in single-user mode regularly? Is anyone running a web server, for instance, in single-user mode? Many thanks in advance.

Re: single user question

2019-05-09 Thread chohag
James Huddle writes: > If the following questions trigger a sense of road rage, you may > safely assume they are not directed to you. > > Is anyone running in single-user mode regularly? I regularly boot things into single user mode to fix something or otherwise engage in acts which could be

single user question

2019-05-09 Thread James Huddle
If the following questions trigger a sense of road rage, you may safely assume they are not directed to you. Is anyone running in single-user mode regularly? Is anyone running a web server, for instance, in single-user mode? Many thanks in advance. Shields up. -Jim