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Questions tagged [embedded]

An embedded system is a computer system designed for specific control functions within a larger system.

Embedded systems contain processing cores that are typically either microcontrollers or digital signal processors (DSP). The key characteristic, however, is being dedicated to handle a particular task. Since the embedded system is dedicated to specific tasks, design engineers can optimize it to reduce the size and cost of the product and increase the reliability and performance.

Source: wikipedia

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remote network access to LAN devices - VPN/LAN

I have several energy meters (with a web server embedded) distributed in many buildings, all these sensors are connected to the local network so that can be accesed through a browser to see the real time data. I am trying to access to each of…
Jaime
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I accidentally disabled the web interface for DD-WRT

I accidentally disabled the web interface for my DD-WRT router, but I can still SSH in. How can I fix it so I can admin with the GUI again?
Matt Williamson
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ESXi host loses connectivity to embedded USB storage

Referencing ewwhite's SF question/answer here: What happens when the USB key or SD card I've installed VMware ESXi on fails? I have a real simple question. We deal with this constantly and a reboot of the host has always caused the host to boot…
TheCleaner
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Emulate EWF effects on Linux

Recently, for an embedded project, I was asked to emulate on Linux the effects of the Enhanced Write Filter (EWF) of Windows XP Embedded. In particular, I need a sort of EWF for: avoiding to write too many times on disk (we use CFs); protecting…
Gian Paolo Ghilardi
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Windows Embedded Standard Run-Time Image Build Length

I've been using XP Embedded for a while and I recently started working with Embedded Standard since that's the latest binaries for Windows Embedded and includes SP3. Everything works just as expected and the same way as XP Embedded but the one…
ScottN
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What is the best linux file system and fs configuration for embedded systems

After experiencing some crash related file system outages (requiring manual fsck and repair, we are looking for the optimum file system and fs config for an embedded linux with HDD or SDD mass storage. A good candidate so far is using ext3fs with…
Ber
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Xorg in an embedded system--leaking memory?

I'm working on an embedded system that runs a custom Linux platform and it appears that the Xorg process is leaking memory. According to top, Xorg's virtual memory grows until the system crashes. According to /proc/$pid/status, its VmPeak will grow…
Robert Carter
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SEPM embedded database stuck on "Starting"

I have recently upgraded SEPM (Symantec endpoint protection manager) from 12.1.4 to 12.1.5. Upgrade completed successfully however the 'Symantec Embedded database' service stuck on 'Starting' status. Tried everything alone and with Symantec support.…
user212398
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Qdisc pfifo_fast in linux and IP Precedence

Im using a embedded Linux distribution for a router system. My goal is to prioritize some traffic with minimum delay. I have a WAN interface with a default pfifo_fast qdisc attached to it. I have read that this qdisc schedule traffic using TOS 4…
MABC
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Mounting main partition read-only and temporary folders as tmpfs

I have a small embedded board PC which uses flash card to boot and I'm running Ubuntu server 12.04. But since flash cards have limited lifetime I would like to mount it as read only and have only some folders in tmpfs for file operations. I edited…
rock-ass
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44pin industrial flash ide on embeded debian freezes after an indefinite period of time

On an embedded system I have, using a 44 pin transcend industrial flash, after a while I will notice that I cannot read any files or write to the disk. I am using the 3.2.0.* BPO i686 SMP PAE kernel. This is sometimes accompanied by a freeze on the…
Jonathan Henson
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Installing embedded pfsense, stuck at boot loader

I am trying to install pfSense embedded image 1.2.3 RC1 onto a CF card. The box looks like it is ready to boot, but gets stuck at "Loading /boot/defaults/loader.conf" followed by "/". Can anyone provide me a link, or a fix to this issue? Note: I am…
n0sw1tchp0rt
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Embedded device for deploying network probes

Our environment has a multitude of remote subnets that we monitor by deploying Linux-based probes running various network monitoring software and other handy tools. Currently we're using surplus-ed Dell OptiPlex GXs whose chief advantages are 1)…
user62491
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Disk encryption without cooperation from system

I have a small embedded system that supports fat32. It does not have any encryption options for the files that it saves to a external usb connected disk. Modifying the source to support encryption is not an option. Are there any external drives, or…
michael
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Browser-based Operating System

I have a bunch of touchscreen machines that I want to display a webpage on and have users interact with the webpage via the touchscreen. Right now, this is done with a full-blown OS with a browser set to run at startup. I think maybe the ideal…
Ross Peoples
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