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Post 302850081 by seasia on Wednesday 4th of September 2013 12:40:03 AM
09-04-2013
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7 More Discussions You Might Find Interesting
1. SCO
Need programmer to work on 8-12 month project near Dallas, Texas or can telecommute to make changes to SCO File Pro 32 UNIX software that was converted to DOS.....Can't find anything as good as what we had in any other OS. Brent Davis brentd@texasspecialty.com (0 Replies)
Discussion started by: brentpdavis
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here is a code which sends and receives sms through a serial port. the problem is that its givin segmentation fault. it first sets the file discriptor and the initialises the modem by using AT commands. there are two threads for reading and writing . rest the code is simple you'll get it. user has... (1 Reply)
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#include<stdio.h>
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#include<string.h>
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Prompt please where the error occurred.
text.txt obtained by ls-lah> text.txt
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5. Linux
Hi all
I am application Programmer.
In my college(2 yrs back) i have learnt Unix i.e commads, shell scripts, Filesystem,I reffered to a book by "Sumitabha Das".
I want to learn Linux.
But i cant understand where should i start from and which book to refer to.
Most of the books these days eg.... (2 Replies)
Discussion started by: FullMetal
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6. UNIX for Dummies Questions & Answers
Hi to all,
I'm started to write some very simple loops in bash an i'm getting this error
-bash:
(the example is just to show when the error appeared)
the code was
x=o
while
do
echo "hello"
x++
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Discussion started by: gogodash
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7. Programming
I am trying to practice to create Makefiles. The goal is to create a makefile such that if a change is made to any of the source code files, the project can be rebuilt by typing make at the command line.
I have the following files:
ac.cc: has include ac.h and pg.h
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LEARN ABOUT MOJAVE
systemd-detect-virt
SYSTEMD-DETECT-VIRT(1) systemd-detect-virt SYSTEMD-DETECT-VIRT(1) NAME
systemd-detect-virt - Detect execution in a virtualized environment SYNOPSIS
systemd-detect-virt [OPTIONS...] DESCRIPTION
systemd-detect-virt detects execution in a virtualized environment. It identifies the virtualization technology and can distinguish full machine virtualization from container virtualization. systemd-detect-virt exits with a return value of 0 (success) if a virtualization technology is detected, and non-zero (error) otherwise. By default, any type of virtualization is detected, and the options --container and --vm can be used to limit what types of virtualization are detected. When executed without --quiet will print a short identifier for the detected virtualization technology. The following technologies are currently identified: Table 1. Known virtualization technologies (both VM, i.e. full hardware virtualization, and container, i.e. shared kernel virtualization) +----------+----------------+--------------------------------------+ |Type | ID | Product | +----------+----------------+--------------------------------------+ |VM | qemu | QEMU software virtualization, | | | | without KVM | | +----------------+--------------------------------------+ | | kvm | Linux KVM kernel virtual machine, | | | | with whatever software, except | | | | Oracle Virtualbox | | +----------------+--------------------------------------+ | | zvm | s390 z/VM | | +----------------+--------------------------------------+ | | vmware | VMware Workstation or Server, and | | | | related products | | +----------------+--------------------------------------+ | | microsoft | Hyper-V, also known as Viridian or | | | | Windows Server Virtualization | | +----------------+--------------------------------------+ | | oracle | Oracle VM VirtualBox (historically | | | | marketed by innotek and Sun | | | | Microsystems), | | | | for legacy and KVM | | | | hypervisor | | +----------------+--------------------------------------+ | | xen | Xen hypervisor (only domU, not dom0) | | +----------------+--------------------------------------+ | | bochs | Bochs Emulator | | +----------------+--------------------------------------+ | | uml | User-mode Linux | | +----------------+--------------------------------------+ | | parallels | Parallels Desktop, Parallels Server | | +----------------+--------------------------------------+ | | bhyve | bhyve, FreeBSD hypervisor | +----------+----------------+--------------------------------------+ |Container | openvz | OpenVZ/Virtuozzo | | +----------------+--------------------------------------+ | | lxc | Linux container implementation by | | | | LXC | | +----------------+--------------------------------------+ | | lxc-libvirt | Linux container implementation by | | | | libvirt | | +----------------+--------------------------------------+ | | systemd-nspawn | systemd's minimal container | | | | implementation, see systemd- | | | | nspawn(1) | | +----------------+--------------------------------------+ | | docker | Docker container manager | | +----------------+--------------------------------------+ | | rkt | rkt app container runtime | +----------+----------------+--------------------------------------+ If multiple virtualization solutions are used, only the "innermost" is detected and identified. That means if both machine and container virtualization are used in conjunction, only the latter will be identified (unless --vm is passed). OPTIONS
The following options are understood: -c, --container Only detects container virtualization (i.e. shared kernel virtualization). -v, --vm Only detects hardware virtualization). -r, --chroot Detect whether invoked in a chroot(2) environment. In this mode, no output is written, but the return value indicates whether the process was invoked in a chroot() environment or not. --private-users Detect whether invoked in a user namespace. In this mode, no output is written, but the return value indicates whether the process was invoked inside of a user namespace or not. See user_namespaces(7) for more information. -q, --quiet Suppress output of the virtualization technology identifier. -h, --help Print a short help text and exit. --version Print a short version string and exit. EXIT STATUS
If a virtualization technology is detected, 0 is returned, a non-zero code otherwise. SEE ALSO
systemd(1), systemd-nspawn(1), chroot(2), namespaces(7) systemd 237 SYSTEMD-DETECT-VIRT(1)