Eli Heady

707 reputation

210

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visits	member for	2 years, 8 months
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Systems Engineer, Unix, Linux and network admin in higher education, robotics and a couple startups.

Likes: automated provisioning and CM, scalable virtualization, enterprise storage, software defined networking, cluster administration.

Dislikes: Bad docs

I like to code in Python and Bash. I use Debian and FreeBSD at home, "enterprise"-y things at work -- RHEL, Solaris and AIX.

	707 reputation	bio	website		visits	member for	2 years, 8 months
210 badges		location			seen	Apr 6 at 18:29

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Apr 5	comment	Noob- run two commands based upon output of first there's an extra single quote in your example. Also if you remove the leading slash from your grep command, the resulting path will match the OP's usage (relative path to 'data') ... `createhomedir -s \| grep -o 'data/[^\/]*'`.
Mar 23	comment	How to transparently monitor SSH access/network traffic in Gentoo/general linux? I wouldn't consider remote syslog forwarding to be especially revealing in the context of your wish to avoid tipping off unauthorized users, unless they are monitoring changes to your log configurations and network utilization. If you add details of your log daemon, someone might be able to offer you configuration recommendations (though you'll surely find examples in other Q's else where on this site)
Mar 23	comment	How to transparently monitor SSH access/network traffic in Gentoo/general linux? An unfortunate reality of compromised systems is that you can't fully trust what they are telling you about user activity (or most anything else really). The best way to monitor suspected breached systems is from other locations on the network, typically between the untrusted node and it's network gateway, unless you have moderately sophisticated network gear that offers you more flexibility.
Mar 23	revised	How to transparently monitor SSH access/network traffic in Gentoo/general linux? added 550 characters in body
Mar 23	answered	How to transparently monitor SSH access/network traffic in Gentoo/general linux?
Mar 23	comment	How to transparently monitor SSH access/network traffic in Gentoo/general linux? What do you mean by silently record? Is your intent to log activity without having evidence of the logging on the system being monitored?
Mar 9	revised	What does this firewall record mean? added 777 characters in body
Mar 8	answered	What does this firewall record mean?
Mar 7	revised	How can one run multiple programs in the background with single command? group command syntax was incorrect
Mar 7	comment	How can one run multiple programs in the background with single command? It's not quite what was asked, since the question specified issuing a "single command". Neither is my answer, as it too is a series of commands, but it has at least one semantic of a single command in that output is concatenated, can be redirected, etc.
Mar 6	comment	How can one run multiple programs in the background with single command? You're welcome. I added the link to the manual. Note that the list `()` syntax executes the enclosed commands in a subshell, so variables are not preserved within.
Mar 6	revised	How can one run multiple programs in the background with single command? added 435 characters in body
Mar 6	revised	How can one run multiple programs in the background with single command? grammar corrections
Mar 6	revised	How can one run multiple programs in the background with single command? added 435 characters in body
Mar 6	suggested	suggested edit on How can one run multiple programs in the background with single command?
Mar 6	answered	How can one run multiple programs in the background with single command?
Dec 27	awarded	Nice Answer
Sep 22	answered	Configure SCP access for login without a local account
Aug 30	awarded	Yearling
Nov 22	comment	Signing/Checksumming the kernel to prevent/detect manipulation +1 for the reference to a big potential pitfall of TPM (aka Treacherous Computing)