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Top Forums UNIX for Beginners Questions & Answers Getting started with fixing bugs for Linux Post 302998470 by sreyan32 on Friday 2nd of June 2017 09:55:26 AM
Old 06-02-2017
Bug Getting started with fixing bugs for Linux

Okay I want to try my luck at fixing bugs for the Fedora OS, but I guess this question deals with any Linux distro or any open source OS for that matter.

I want to know how I can start fixing bugs on the OS level. For example the particular bug that I want to target is this logout bug

I mean how do I start with debugging something like this. These may involve OS modules that are already running in the OS, I can get the source, but how do I deploy and test it ?

MOST IMPORTANTLY-:
Can it be done in a VM like VirtualBox or KVM ?
Maybe I can test my "patched" OS there ?

Not sure about how approach this problem. Any of you who does Linux OS bug fixing could really help me out.
 

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virt-copy-in(1) 					      Virtualization Support						   virt-copy-in(1)

NAME
virt-copy-in - Copy files and directories into a virtual machine disk image. SYNOPSIS
virt-copy-in -a disk.img file|dir [file|dir ...] /destination virt-copy-in -d domain file|dir [file|dir ...] /destination WARNING
Using "virt-copy-in" on live virtual machines can be dangerous, potentially causing disk corruption. The virtual machine must be shut down before you use this command. DESCRIPTION
"virt-copy-in" copies files and directories from the local disk into a virtual machine disk image or named libvirt domain. You can give one of more filenames and directories on the command line. Directories are copied in recursively. The final parameter must be the destination directory in the disk image which must be an absolute path starting with a "/" character. EXAMPLES
Update "/etc/resolv.conf" in a guest: virt-copy-in -d MyGuest resolv.conf /etc Upload a home directory to a guest: virt-copy-in -d MyGuest skel /home JUST A SHELL SCRIPT WRAPPER AROUND GUESTFISH
This command is just a simple shell script wrapper around the guestfish(1) "copy-in" command. For anything more complex than a trivial copy, you are probably better off using guestfish directly. OPTIONS
Since the shell script just passes options straight to guestfish, read guestfish(1) to see the full list of options. SEE ALSO
guestfish(1), virt-cat(1), virt-copy-out(1), virt-edit(1), virt-tar-in(1), virt-tar-out(1), http://libguestfs.org/. AUTHORS
Richard W.M. Jones ("rjones at redhat dot com") COPYRIGHT
Copyright (C) 2011-2012 Red Hat Inc. LICENSE
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. BUGS
To get a list of bugs against libguestfs, use this link: https://bugzilla.redhat.com/buglist.cgi?component=libguestfs&product=Virtualization+Tools To report a new bug against libguestfs, use this link: https://bugzilla.redhat.com/enter_bug.cgi?component=libguestfs&product=Virtualization+Tools When reporting a bug, please supply: o The version of libguestfs. o Where you got libguestfs (eg. which Linux distro, compiled from source, etc) o Describe the bug accurately and give a way to reproduce it. o Run libguestfs-test-tool(1) and paste the complete, unedited output into the bug report. libguestfs-1.22.6 2013-08-24 virt-copy-in(1)
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