Re: sed and grep stopped working!

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On Fri, Aug 17, 2018 at 09:49:01AM -0700, ToddAndMargo wrote:
On 08/17/2018 09:17 AM, Matthew Miller wrote:
On Fri, Aug 17, 2018 at 08:34:12AM -0400, Tom Horsley wrote:
Todd Chester wrote:
And now that you all write me back, they mysteriously started
working again.   AAAAAAHHHHHH!!!!!
This is the sort of thing that always makes me want to
run memtest for a few hours to see if memory corruption
is happening (in, for instance, the in memory copies of
pages from shared libs the tools might have been using).

Or look for signs of malware / intruders.


Is there a scanner you recommend?

memtest, as someone already mentioned (you might even have a memory
testing tool in BIOS).

Read about kali-linux the other day (haven't found anything about
memtest being part of its tools tho') - never tried it. Seems to be a
complete Linux system specifically built for "penetration testing and
security auditing" [1], has a forensic mode boot option [2] and seems
to be installable on USB thumbs [3].

They write that the system won't neither touch nor mount an internal
disk [2]. Runs with root privileges [4].

Again: I never tried it ...

HTH
Wolfgang

[1] https://docs.kali.org/introduction/what-is-kali-linux
[2] https://docs.kali.org/general-use/kali-linux-forensics-mode
[3] https://docs.kali.org/downloading/kali-linux-live-usb-install
[4] https://docs.kali.org/policy/kali-linux-root-user-policy
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