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Old

How to provide information about peripherals with dmesg

Posted Yesterday at 12:51 AM by ondoho
Updated Yesterday at 12:52 AM by ondoho

You want to see how your Linux system reacts to a certain peripheral being plugged in (smartphone, monitor, USB stick etc.).
dmesg can provide that information, but one needs to separate it from previous messages.
Here's how:
  • Make sure the device in question is unplugged.
  • Open a terminal, maximise it.
  • Enter dmesg -w or --follow (wait for new messages).
  • Some systems require elevated privileges for dmesg, if so prepend sudo or become superuser first.
  • After dmesg -w
...
LQ Addict
Posted in Uncategorized
Views 203 Comments 0 ondoho is offline
Old

LFA (Linux For All) 64bit Live DVD Build 211018 :: Create you own LFA/Ubuntu installable 21.10 system!

Posted 10-18-2021 at 03:03 PM by exton (Exton's Blog)
Updated Yesterday at 02:11 AM by exton (MORE INFO)

Linux For All (LFA) Build 211018
is a simple live remaster of Ubuntu 21.10, code-named Impish Indri, which was released 211014. It’s a total rebuild. I.e. nothing is left of the old LFA system.

NEWS ABOUT LFA Build 211018
1. All packages the ordinary Linux user can wish for are pre-installed. Study the full packages list.
2. Kernel 5.10.70-exton-amd64-rt53 (with Debian patches) is used. You can of course switch to Ubuntu’s original kernel if you prefer that one....
ExTiX Admin
Views 95 Comments 0 exton is offline
Old

Unbuffered shell-input

Posted 10-16-2021 at 01:46 AM by Michael Uplawski
Updated 10-18-2021 at 03:41 PM by Michael Uplawski (Wrong title, much misunderstanding and ill-chosen search criteria.)

There are solutions on the Web.

Having read some of these, I prefer a Ruby-Oneliner readNB which returns the 1 character that the user has had a chance to enter on the keyboard, before readNB returns.

---------------------- In the meantime -------------------------
GazL has in the very first comment on this blog, below presented a better solution with the shell built-in command read: read accepts some parameters and a call like
Code:
read -r -s -N1 [VARIABLE]
...
Senior Member
Posted in Uncategorized
Views 510 Comments 4 Michael Uplawski is offline
Old

SlackEX live with Refracta Snapshot based on Slackware 15.0 RC1 Build 211014

Posted 10-14-2021 at 10:37 AM by exton (Exton's Blog)
Updated 10-16-2021 at 02:50 AM by exton (NEW INFO)

NEWS 211014 ABOUT SlackEX 15.0 RC1 with Xfce4
Slackware is not dead even though not much has happen since Slackware 14.2 was released in July 2016. The main differences of Slackware 15 are booked to updating the versions of programs, including the transition to the Linux 5.10 kernel, a set of GCC compilers 10.3 and the system library glibc 2.33. SlackEX Build 211014 is a live remaster of Slackware 15.0 RC1. This build replaces version 210422, which was based on Slackware 15.0 BETA. A new kernel...
ExTiX Admin
Views 41 Comments 1 exton is offline
Old

Test Cases: Sign

Posted 10-10-2021 at 11:54 PM by astrogeek

This post is part of the Alphanumeric Calculator program group.

Test cases to validate handling of sign.

The test case input file:

Code:
cat tests_sign
#both
############ Numbers with signs
+0
+1
-0
-1
-1*-1
-1*+1
+1*-1
+1*+1
############ Numeric expressions with signs
positive zero
positive one
negative zero
negative one
negative one times
...
Moderator
Views 376 Comments 0 astrogeek is offline

  



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