could anybody help to understand me how is it possible verify and validate server's hardware configuration that I'm going to install into datacenter? The problem is that the customer bought noname server and we need validate that configuration of it correspond to spec (validate) and make sure that all components into it are working (verify).
This is first problem. The second is that servers will be hundreds...
Sorry for the question, but I'm novice into this area so I'll be thankful for any help.
A little more details: all servers are x86-base, into the future the customer will install Linux on its.
You can use hwinfo utility for linux system for machine hardware information.
Related
I have an asterisk Soft PBX running on my Ubuntu Machine and i managed to do extensions calls from one softphone to another by doing required configurations in the Sip.Conf as well as extension.conf.I can dial as well as receive calls.Now my next target is to make this working for the real Outbound and Inbound calls.I will tell you i am a novice asterisk player who is trying to learn the things to play with.So my questions regarding this are:
Do i need some hardware to make the required things happen, if yes,Please specify.
What are the nature of the Dialplans to execute the calls successfully.
What are the things we need to get from the Telephone Service Provider End.
Also ,i will share that i am residing in INDIA.
Please guys help me.
Thanks in advance..
No, you not need any hardware.
You need SIP trunk/voip provider.
When use wcdma module ,we should use ppp protocol to communicate with ppp server. But I can't see any file about ppp in NOKIA N9's filesystem.
So,How N9 use linux(harmattan) to dial to PPP server and then linked to internet ?
This question seems more suited to SuperUser.com - it is not related to programming. See the StackOverflow FAQ for more information on what kind of questions you can ask here.
Regardless of where you post a question, it would help all of us if you provided more context, preferably using full sentences. As it stands now, it is difficult to tell what your actual question is. Do you want to connect a computer to the internet using the phone? Do you want to use the phone itself to access the network?
It is also difficult to understand what the problem is. You should at least tell us what you have tried and where that failed.
Unless you pay more attention to your question, you will not get any meaningful answers. You should probably have a look here for a guide on asking questions.
You should keep in mind that hardware-related questions can usually be answered only by people that have access to that particular device. With the amount of information you are providing this question boils down to "How do I connect to a PPP server on Nokia N9?", which is impossible to answer, unless one has access to that particular phone model.
By providing more context, such as describing how the firmware in that phone is setup, you allow people that have more general experience on Linux and embedded devices to help you.
Since I do not have that particular device, I will take a shot in the dark and offer a few alternatives, in order of decreasing probability:
You may need to install additional packages. I believe that MeeGo uses Debian-style packages and the PPP-related packages may not be installed by default. You should have a look at your software repositories.
The PPP support does not have to be a module - it can be included in the main kernel binary. pppd could also be replaced by a custom binary, although that is not very common, even on embedded devices.
Are you absolutely certain that your current software configuration does not support PPP? How are you searching in the filesystem for PPP-related files? What are you expecting to find? Does using the phone UI to connect work?
There is a very slim chance that the default firmware does not support PPP at all - in that case you may have to install custom packages or even replace the firmware itself with a custom version.
I want to code a simpe vpn as a part of my course work. I am looking for ways to start. Will be helpful if you guys could help me with resources
As a basic starting point, you need to be able to write a client/server setup in your language of choice that will transport over IP. Your VPN must also be able to present the operating system with a network interface. If you are using Linux, I suggest the tun/tap system interface. For reference, you could look at the code in qemu which does make use of those OS calls. For the encryption purposes, the OpenSSL library should be able to provide you with all the calls necessary.
I'm not sure what the ultimate requirements of your coursework are. You can build anything from a basic shared-symmetric key setup that can be quickly hacked up to the bottomless pit of trying to build a production worthy VPN system. You should mention your requirements.
Is it possible to create GUI firewall that works as Windows and Mac counterparts? Per program basis. Popup notification window when specific program want to send\recv data from network.
If no, than why? What Linux kernel lacks to allow existence of such programs?
If yes, than why there aren't such program?
P.S. This is programming question, not user one.
Yes it's possible. You will need to setup firewall rules to route traffic through an userspace daemon, it'll involve quite a bit of work.
N/A
Because they're pretty pointless - if the user understands which programs he should block from net access he could just as well use one of multiple existing friendly netfilter/iptables frontends to configure this.
It is possible, there are no restrictions and at least one such application exists.
I would like to clarify a couple of points though.
If I understood this article correct, the firewalls mentioned here so far and iptables this question is tagged under are packet filters and accept and drop packets depending more on IP addresses and ports they come from/sent to.
What you describe looks more like mandatory access control to me. There are several utilities for that purpose in Linux - selinux, apparmor, tomoyo.
If I had to implement a graphical utility you describe, I would pick, for example, AppArmor, which supports whitelists, and, to some extent, dynamic profiling, and tried to make a GUI for it.
OpenSUSE's YaST features graphical interface for apparmor setup and 'learning' , but it is specific to the distribution.
So Linux users and administrators have several ways to control network (and files) access on per-application basis.
Why the graphical frontends for MAC are so few is another question. Probably it's because Linux desktop users tend to trust software they install from repositories and have less reasons to control them this way (if an application is freely distributed, it has less reasons to call home and packages are normally reviewed before they get to repositories) while administrators and power users are fine with command line.
As desktop Linux gets more popular and people install more software from AUR or PPA or even from gnome-look.org where packages and scripts are not reviewed that accurately (if at all) a demand for such type of software (user-friendly, simple to configure MAC) might grow.
To answer your 3rd point.
There is such a program which provides zenity popups, it is called Leopard Flower:
http://sourceforge.net/projects/leopardflower
Yes. Everything is possible
-
There are real antiviruses for linux, so there could be firewalls with GUI also. But as a linux user I can say that such firewall is not needed.
I reached that Question as i am currently trying to migrate from a Mac to Linux. There are a lot of applications I run on my Mac and on my Linux PC. Some of them I trust fully. But others I am not fully trusting. If they are installed from a source that checks them or not, do i have to trust them because someone else did? No, I am old enough to choose myself.
In times where privacy is getting more and more complicate to achieve, and Distributions exist that show that we should not trust everyone, I like to be in control of what my applications do. This control might not end at the connection to the network/Internet but it is what this question (and mine is about.
I have used LittleSnitch for MacOSX in the past years and I was surprised how often an application likes to access the internet without me even noticing. To check for updates, to call home, ...
Now where i would like to switch to Linux, I tried to find the same thing as I want to be in control of what leaves my PC.
During my research I found a lot of questions about that topic. This one, in my opinion, best describes what it is about. The question for me is the same. I want to know when an application tries to send or receive information over the network/internet.
Solutions like SELinux and AppAmor might be able to allow or deny such connections. Configuring them means a lot of manual configuration and does not inform when a new application tries to connect somewhere. You have to know which application you want to deny access to the network.
The existence of Douane (How to control internet access for each program? and DouaneApp.com) show that there is a need for an easy solution. There is even a Distribution which seems to have such a feature included. But i am not sure what Subgraph OS (subgraph.com) is using, but they state something like this on there website. It reads exactly like the initial question: "The Subgraph OS application firewall allows a user to control which applications can initiate outgoing connections. When an unknown application attempts to make an outgoing connection, the user will be prompted to allow or deny the connection on a temporary or permanent basis. This helps prevent malicious applications from phoning home."
As it seems to me, there are only two options at the moment. One is to Compiling Douane manually mysqlf or two, switch distribution to Subgraph OS. As one of the answers state, everything is possible - So i am surprised there is no other solution. Or is there?
I have an old computer with formatted drive lying around collecting dust, now I want to instal a linux like OS (any suggestions?) on it and install a web server, preferrably Lighttpd. I want to set up a server so that I have an environment to practice web development in PHP or Java. My problem is I dont want to hook up another set of keyboard/mouse/monitor to that old computer, and if possible I want to remote boot/shutdown the server from this computer that I use to type this question.
I did some google search, but the results are never comprehensive or suitable for my circumstance. Any input would be appreciated, book recommendation or link to a good resource are fine too.
Thanks
Qin
P.S. I did some search on stackoverflow before asking this question, if there is another similiar question being asked, let me know.
You actually needs an unattended (silent) linux installation, which may trigger beeps to tell you when the installation is done. Hope this can help you refine your search on google.
You'll definitely need at least a monitor or KVM and a keyboard if you want to install any OS on it.
For server OS, you could try going for CentOS / Ubuntu. However, if your requirement is just to practice your PHP and Java, you could even use your existing laptop / PC and, assuming windows, you can just install wamp or xampp, to install your apache/php/mysql with just clicks.