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There is more to sed(1) than s///

Posted 10-16-2016 at 05:16 AM by Turbocapitalist
Updated 10-16-2016 at 09:57 AM by Turbocapitalist

There is more to sed(1) than s///

There are books written about sed(1), a stream editor which can filter and transform streams of text, because it can do a lot more than many suspect. It actually uses a very simple and compact language which, though limited, is concise. I used sed(1) for ages and ages without exploring more of what it can do. It's most often used only with the s/// substitution, but it also has other capabilities.
  • selecting or deleting lines
  • alternate
...
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Old

tmpfs nfs swapfile - use one computer's RAM as SWAP for another computer

Posted 10-13-2016 at 11:51 AM by IsaacKuo
Updated 10-13-2016 at 03:11 PM by IsaacKuo

Previously, I described how to use one computer's RAM as an SSD (OS drive) for another computer. Here, I describe how to use one computer's RAM as SWAP for another computer. Bear in mind that even a RAM disk over gigabit ethernet isn't going to be as fast as a local SSD, but it's still faster and much more responsive than a local spinning hard drive.

This technique of using another computer's RAM as SWAP is a great way to augment RAMboot, as described here:

http://www.linuxquestions.org/questi...-jessie-37165/...
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Old

A few tools to manage the CPU load of processes

Posted 10-12-2016 at 01:11 PM by the dsc (linux-related notes)

Sometimes I see questions related with that floating around, so here's a quick and lazy (just copying defitions from the manuals or sites of these programs) post on which hopefully someone in need of such tools will stumble as well.

"ionice - get/set program io scheduling class and priority"

"The auto nice daemon activates itself in certain intervals and renices jobs according to their priority and CPU usage. Jobs owned by root are left alone. Jobs are...
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Old

Install and configure Network Time Protocol (NTP) Server,Clients on Ubuntu 16.04 Server

Posted 10-12-2016 at 10:31 AM by sridhar11

The Network Time Protocol (NTP) is a protocol for synchronizing the clocks of computer systems over packet-switched, variable-latency data networks. NTP uses UDP port 123 as its transport layer. It is designed particularly to resist the effects of variable latency (Jitter).

Full Story
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Old

ExTiX 16.5 based on Ubuntu 16.10 Yakkety Yak with LXQt 0.10.0 and kernel 4.8.0-21-exton

Posted 10-12-2016 at 09:57 AM by exton (Exton's Blog)
Updated 10-13-2016 at 11:49 AM by exton (MORE INFO)

I have made a new version of ExTiX – The Ultimate Linux System. I call it ExTiX 16.5 LXQt Live DVD. (The previous version was 16.3 from 160530).

ABOUT
ExTiX 16.5 LXQt DVD 64 bit is based on Debian 8.6 Jessie/Debian 9 Stretch and upcoming Ubuntu 16.10 Yakkety Yak. (Ubuntu 16.10 is to be officially released 161013). The original system includes the Desktop Environment Unity (Ubuntu). After removing Unity I have installed LXQt 0.10.0. LXQt is the Qt port and the upcoming version...
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