LinuxQuestions.org - rainbowsally

To boot a broken openSUSE 11.4 (also dual-linux bootloader issues)

Posted 01-28-2012 at 03:31 AM by rainbowsally
Updated 08-06-2014 at 10:33 AM by rainbowsally

To boot a broken openSUSE system:

Use the DVD. (I am not online when I do this but it should work either way.)

1. Select "install" at the main menu, then when you get to the menu,

2. Select "update" <- IMPORTANT! If you don't click on 'update' it will destroy your home folders at the last step. Reboot (reset is fine here) if there's any question and run the installer again.

Evaluating the root partition is ok....

rainbowsally

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KDE Utils: new.exec, shell-exec (for ENTER & click on executables)

Posted 01-28-2012 at 03:08 AM by rainbowsally

Tags computer mad science, kde, utilities

[This post includes some test data showing what's wrong in KDE and a peek into the configuration files for various file types.]

Let's start with a program that writes programs. This is 'new.exec'.

file: new.exec (executable)
purpose: create a skeleton of a clickable shell program with an 'exec' extension.

Code:

#!/bin/sh
# creates a new exec file named $1.exec that does $2

name_exec="$1.exec"
cd_here='cd `dirname

...

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Simple C: Beyond Bash Part 2 - Dependency lister for dir branch (recursive)

Posted 01-27-2012 at 06:09 AM by rainbowsally
Updated 08-06-2014 at 10:33 AM by rainbowsally

Tags compile, computer mad science, deb, dependencies, rpm

[Note to myself: Needs rewrite using libLQ.]

Simple C: Beyond Bash Part 2 - Dependency lister for dir branch (recursive)

CHANGELOG

* Sat Feb 18, 2012 -rs

find-deps version 1.2

In 'find_elf()' changed pipecmd to "find * -executable -o name *.so*" because some libs
may not have have their executable flag set, such as an unpacked from an rpm package that
doesn't have the perms set until install time....

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Simple C: Beyond Bash Part 1 - String lists and pipes

Posted 01-26-2012 at 08:03 AM by rainbowsally
Updated 04-05-2012 at 07:54 PM by rainbowsally

Tags compiling, computer mad science

[Note, this is marked for POSSIBLE deletion in the future by the author. This version is not exactly the same as the one in libLQ. In fact it may be removed a bit later, though it has some advantages over the the libLQ version in that it uses REAL char** types which behave exactly like any other char** type. The libLQ version monkeys with the base address in order to tuck an 'argc' below the first arg and thus avoid repeatedly literally 'count'-ing the string size. It is is a subclass of an...

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Assembler Stuff: Asm and Inline Asm

Posted 01-25-2012 at 07:15 PM by rainbowsally

Tags asm, assembler, computer mad science

Assembler Stuff: Asm and Inline Asm

Features:

Asm and inline asm examples
Using C macros to create global function names
Intel and ATT syntax
Viewing disassembly in a *.s file and using objdump

Let's get right to the point...

Code:

// main.c
// COMPILE: gcc main.c -o main --save-temps
// take a look at the C asm output file, 'main.s' afterwar

// 64 bit asm keeps part of the stack in registers in C, so let's
//

...

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