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Unix and Linux Stack Exchange

Questions tagged [mobile]

This tag should be bound to questions relating to wireless cellular network technologies in general. For specific mobile technologies consider using tags like /gsm /3g /lte. For other RF technologies consider using tags like /wifi /bluetooth /irda.

Mobile networks is a term used for telecommunication infrastructure using radio frequency physical layer interface with a range of technologies including .

Historically, mobile networks provided mostly call services to mobile phones and message services to pagers. Nowadays, mobile networks (or cellular networks) are designed as much for voice services as data services, with the last generation standard, LTE, offering data services only.

This tag should be used for mobile technologies in general; both the client, the protocol, and the service provider side. For specific technologies like corresponding narrower tags should be used.

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69 questions
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Difference between ppp0 vs wwan0

I am Running Raspian on a RaspberryPi. When I plug in a GSM modem I see two interfaces - wwan0 & ppp0. wwan0 exists even when the GSM modem is plugged but not connected ppp0 exists only when the GSM modem is connected Questions What is the…
OneGuyInDc
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How to read SMS stored on a SIM card?

I have an old phone with a telephone card (SIM card) inside. The telephone has an infrared interface on the side. I want to read out my contacts and stored SMS messages from the phone, either via infrared, or by connecting the SIM to the computer by…
hochl
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Can I use my SIM card slot to telephone?

My laptop (a Thinkpad T440) has a SIM card slot which is meant to be used for Internet, though I haven't tested that yet since I don't have any SIM cards with Internet contracts. However, is it possible to use my laptop as a phone with a SIM card?…
MadTux
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Reading SIM data via file managers using USB datamodem

How to browse a GSM SIM card's filesystem in Linux / nautilus / pcmanfm filemanager, and read the files with suitable editors ? There is one related post: Howto read SMS stored on a SIM card? But this is related to reading the card via mobiles and…
Rajibando
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Restart a specific reverse ssh tunnel?

I have multiple machines in the wild that open reverse ssh connections to my server. Each machine out there is using a different reverse ssh port, which I use to differentiate between the machines. I use these tunnels to log into the machines from…
Christian
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Fedora 20 dosen't accept correct PIN for mobile broadband

I have a problem with the WWAN (Qualcomm Gobi 2000) in my Lenovo ThinkPad W510. I can not unlock my SIM card with the correct PIN. I enter the PIN in this dialog and after this I get immediately this dialog After I enter the SIM PIN2 the only…
Marcel Janus
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Linux PPP : how to debug disconnects with exit code = 16?

I'm using pppd and wvdial on my ARM Linux embedded system. I have a CDMA modem connected via a serial port and am connecting to the Verizon network. I am seeing that several times per day pppd exits with exit code 16 (see exact message from log…
fred basset
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Bond two Internet connections of varying quality

I live in a remote part of the country, Internet-wise. I utilize a satellite based Internet, but it's having many problems during peak traffic times. I have researched a bit and found Ubuntu Bonding. If I build a Linux PC and connect my satellite…
Erik
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Is there any way to send sms to a mobile number using shell script?

I want to send sSMS periodically to certain Mobile numbers (Indian mobile numbers.) Is there a way I can send an SMS with my own cellphone number or by creating an account on a site like way2sms?
Deepak K M
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Which TCP congestion control algorithm is best for low speed radio modems?

On my project we have remote Linux nodes that communicate over the Internet via very low speed CDMA cell modems. The bandwidth on these modems is about 2kbyte/second and the RTT back to the server is about 800ms. Based on these limitations, would…
fred basset
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Gentoo Linux Still Popular Today?

I have a set of Thinkpad X-series (x86) for a fresh installation of Linux OS. I want to ask based on today's trend for mobility, such as android, is Gentoo development catching up with today's popularity, if not what would be equivalent to…
Edwin
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How limited is the Linux-based distribution on the Nokia n900?

I am interested what N900 can do with Linux-based Maemo 5 system installed. Can it for example: Compile c++ or java files? Hack into wifi (I meant advanced wlan card features) Create own wifi access point? Be WWW server? Use normal usb keyboard?…
oneat
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Modify and boot linux kernel on mobile device

During my education I have been developing Android iOS apps and websites for almost 18 months. Now, as my final year project, I am working on Linux source code with the goal to boot it on a mobile device – like Android. I have it successfully as a…
Sikander
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Not able to access my local machine from remote server; what's my local IP address?

This is where I spent much time to know why I'm unable to connect to my local box from my own remote server (VPS); seems to be my local box's IP address issue. To begin with, let me 1st tell how I operate in Internet. I connect my laptop with my…
Ravi
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Convert android phone into linux server(bare metal performance)?

I want to convert some old android phones(2017+) into SSH only servers, is it possible? My objectives are: run the phones 24/7 without a battery I don't want to use anything besides the motherboard and the wifi(or if possible to get internet from…
Andrew
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