Date: Mon, 3 Sep 2007 17:30:30 +0400 From: Yar Tikhiy <yar@comp.chem.msu.su> To: Daniel Eischen <deischen@freebsd.org> Cc: hackers@freebsd.org, Tim Kientzle <kientzle@freebsd.org> Subject: Re: Useful tools missing from /rescue Message-ID: <20070903133030.GJ30502@comp.chem.msu.su> In-Reply-To: <Pine.GSO.4.64.0709030831580.4324@sea.ntplx.net> References: <20070901073440.GL85633@comp.chem.msu.su> <46DAFE5C.6070806@freebsd.org> <20070903120353.GH30502@comp.chem.msu.su> <Pine.GSO.4.64.0709030831580.4324@sea.ntplx.net>
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On Mon, Sep 03, 2007 at 08:36:58AM -0400, Daniel Eischen wrote: > On Mon, 3 Sep 2007, Yar Tikhiy wrote: > > >On Sun, Sep 02, 2007 at 11:18:04AM -0700, Tim Kientzle wrote: > >>Yar Tikhiy wrote: > >>>Hi all, > >>> > >>>I've had to use /rescue recently and felt lack of a few basic tools > >>>in it, namely pgrep(1), head(1), tail(1), tee(1), and a text filter, > >>>e.g., sed(1). Well, in fact most functionality of pgrep(1), head(1), > >>>tail(1), and even tee(1) can be emulated if one has sed(1), but the > >>>tools are so tiny and convenient that it's a pity not to have them > >>>all handy during hard times. > >>> > >>>In addition, there are chflags and chmod in /rescue, but there's > >>>no chown in it, so the toolset is a bit incomplete. > >> > >>Oh, my. chown was definitely an oversight. That > >>should have been in there. > >> > >>My opinions: > >> * head, tail, and tee are no-brainers; just do it. > >> * sed would be a nice addition. (I atttempted to > >>fit 'vi' in there, but curses is rather finicky; > >>'sed' would be more useful.) > > > >Thank you for supporting my idea! > > I'm surprised no one has mentioned ftp or fetch. I don't know how > large they would be if static, but if you have to grab some files over > the network, it can be quite convenient. It's just a matter of Someone(tm) building the new rescue with ftp or fetch, testing it, and reporting the size change. ;-) With network setup tools already in /rescue, it sounds as a good idea to consider, at least. The needed code pieces aren't giant: -r-xr-xr-x 1 root wheel 18956 26 ΑΧΗ 03:31 /usr/bin/fetch -r--r--r-- 1 root wheel 54750 26 ΑΧΗ 03:27 /usr/lib/libfetch.a But the crypto bits may need to be disabled: # ldd /usr/bin/fetch /usr/bin/fetch: libfetch.so.5 => /usr/lib/libfetch.so.5 (0x28080000) libssl.so.5 => /usr/lib/libssl.so.5 (0x2808d000) libcrypto.so.5 => /lib/libcrypto.so.5 (0x280ce000) libc.so.7 => /lib/libc.so.7 (0x28225000) Another option is tftp(1). :-) -- Yar
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