Questions tagged [openwrt]

A GNU/Linux based firmware program for embedded devices such as residential gateways and routers.

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OpenWRT Samba Share

When I try to mount my router's samba share with $ sudo mount.cifs //192.168.1.1/sda1 /mnt/hd2 -o guest I get the error, mount error(2): No such file or directory
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How do I learn practical Linux networking for my home network? [closed]

I know unix scripting (shell, python, etc), and have some grasp of the theoretical underpinnings of TCP/IP (I have read Kurose, James F.; Ross, Keith W. - Computer networking : a top-down approach). ...
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Install OpenWRT firmware for WD MyNet600 Router using Ubuntu 20.04

I am trying to install the latest OpenWRT firmware openwrt-19.07.4-ar71xx-generic-mynet-n600-squashfs-factory.bin on my old WD MYNET600 Router whose current firmware version is Firmware Version 1.04....
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OpenWRT - Package has no valid architecture

I'm running OpenWRT on an Arm Cortex-A5 (SAMA5D2) using a pre-built binary from linux4sam.org All is working fine, except I need to now update some packages and install some others. When I run opkg ...
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Searching for a way to detect roogue DHCP Servers on OpenWRT

I know there are a few tricks and tools out there to detect DHCP servers (rogue or not) on my local network. But I need one working under OpenWRT. Could anybody help me with suggestions, please?
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OpenWrt on Raspberry Pi 4 does not support AC and 80MHz

So, i was gathering up info from the interwebs how to setup a Raspberry Pi 4 as an OpenWrt Router (Access Point, whatever you name it). And i'm happy to say that i was able to make WiFi work and to ...
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1answer
54 views

What happens to arguments passed to bash/ash functions?

This answer about -- gives a lot of good information about using -- in POSIX shells and this answer about passing all arguments to a script led to the following function: my_echo() { set -x ...
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OpenWRT not connecting WAN port through 25ft Cat-something run

We have been having random wifi drops outs on our stock firmware Linksys EA4500 since our family have been sheltering in place and all working at home during the week, so I thought it a good ...
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arptables and arping

I wanted to use arptables on my OpenWRT router to filter ARP packets, and I was doing some tests. I only accepted ARP packets from a specific host,172.22.36.129 (let's say A), and blocked all others ...
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293 views

What is ping6: sendto: Permission denied a sign of when debugging?

I'm trying to understand why some IPv6 requests (not all) seem to return permission denied errors when using tools like ping6, traceroute, curl etc. I have a secondary WAN connection configured on a ...
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30 views

How can I change resolv.conf upon reloading dnsmasq?

On one of my systems, I use dnsmasq as my DNS resolver. This system is also an OpenVPN client. When the system comes online, it gets the ISP's DNS servers from the router though a DHCP request. It ...
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FitImage creation and bootup A388 using fitImgae

I want to create fitImage and bootup A388 clearfogpro using that fitImage. I will be using USB for the same Please if some one could help me in this. Thanks, Varsha
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OpenWrt rebooting after start the openvpn client

After starting openvpn (client), after a few seconds (from 2 to 40), OpenWRT reboots. How to find out why? I connected to the server with android and linux, everything works without problems. I ...
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Using UCI to edit firewalls VPN rules in openwrt

Hi as a workaround I need to push UCI commands instead of IP tables, they don't work properly in the firmware of teltonika's RUT9xx series. I never really worked with them and my not working command ...
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1answer
135 views

How to change eth0 MAC address only using a text editor?

I am running OpenWrt (=Busybox per SSH) so my amount of binaries is limited. I would like to change my MAC address only using a text editor like nano.
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Files in /root with filename containing strange characters

I am using Linkit 7688 OpenWRT. There are some files are getting created with indefinite time. root@OpenWRT:~# ls / ,��U�^E�^B mnt sys proc usr bin ...
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1answer
137 views

Get the user-agent from tcpdump

I'm working on a monitoring application for my home gateway and I want to know the device type of all connected clients. For that purpose I'm using tcpdump to extract the user-agent of all devices ...
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415 views

OpenWRT fails to update opkg

I have recently put OpenWRT on a Netgear rooter, which is connected to the modem. Web access through Linux (traceroute) / Firefox works perfectly, although with a few failed connections here and there ...
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Attempting to set spindown time on RAID device, using hdparm, results in an error

When I attempt to set the device's spindown time to 10 minutes, I get an error: # hdparm -S 120 /dev/md0 /dev/md0: setting standby to 120 (10 minutes) HDIO_DRIVE_CMD(setidle) failed: Not a tty My ...
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216 views

Building OpenWrt firmware only for WireGuard VPN

I am building firmware for TP-Link WR740N only for WireGuard VPN. What are the minimum packages that I need to have for a VPN to work? I tried to make firmware with this, not including the luci web ...
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ssh access works on any IP from subnet, even not-configured ones

I did setup openwrt on a tp-link router. There is a simple configuration now, WAN link I simulate connecting ethernet RJ45 port with my laptop's RJ45 network adapter port (IP on WAN interface is set ...
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402 views

802.1x wired authentication failed

I have this problem: I live in a university dorm room with an ethernet port because the campus wifi doesn't reach. So, together with the network administrator that was on board with this, I used an ...
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iptables-mod-tee to monitor outgoing traffic from a WAN interface

I have an OpenWrt router (v18.06.5, r7897-9d401013fc), that does a standard (out of the box) NAT between a 192.168.0.1/24 LAN (on eth1) and one public IP 140.82.118.4 (on eth2). The router has the ...
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Create a UCI configuration file with all default options

Many aspects of OpenWRT are controlled by the configuration files in the /etc/config directory. It appears that some options are not well documented. For example, the minidlna service has a ...
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RAID device won't mount in OpenWRT

I'm trying to get my RAID 1 device to work after I upgraded my router's OS (based on OpenWRT). The RAID device is listed as /dev/md0: # lsblk -o NAME,SIZE,MOUNTPOINT,STATE,FSTYPE,MODEL,SERIAL,UUID,...
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/usr/local/bin for OpenWrt

I’m attempting to add support for using Sublime Text and TextMate with files on the router: https://packagecontrol.io/packages/RemoteSubl. Essentially, the script needs to be added to the /usr/local/...
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Tcp connection packets ignoring network delays, ping shows delays [closed]

I've introduced a 2000ms latency to all network packets using openwrt netem module. # This is run on the terminal of the OpenWRT router tc qdisc add dev wlan1 root netem delay 2000ms I can clearly ...
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514 views

No Link on WAN Port for TP-Link Archer C7 AC1750 v4 Running OpenWRT 18.06.4

Looking to upgrade from a working Linksys router running OpenWRT Kamikaze, I selected the TP-Link Archer C7 based on happy Reddit reviews of OpenWRT running smoothly on it. It seemed lucky to get the ...
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1answer
2k views

How to get all the configuration options with the uci command in OpenWRT

I am configuring a router running OpenWRT, but I am struggling to understand how to use the uci command (Unified Configuration Interface) to inspect an existing configuration file. I would like to ...
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230 views

OpenWRT BusyBox init does not create /etc/init.d/rcS

I'm building an OpenWRT image (Chaos Calmer) that needs BusyBox to be configured to use init. So, in the busybox configuration, I enter the Init Utilities menu, then enable init, as well as support ...
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1answer
240 views

How to boot OpenWRT FROM PXE?

I have downloaded OpenWRT files for PC from OpenWRT site. I have installed DHCP and TFTP (in my LAN) and can boot (other) kernels from them. Now I want to boot these OpenWRT files. I wrote in PXE ...
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2answers
384 views

How to share an IPv6 connection to the whole LAN?

My ISP still doesn't support IPv6, and I currently use OpenVpn or OpenConnect VPN to get IPv6 connection. Now that there is a Ubuntu server running VPN client UNDER an OpenWRT router. Is it possible ...
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1answer
266 views

Load rootfs from fit image and signature verification

I am new to fit image and secure boot. I created fit image using mkimage command and added kernel dtb and rootfs into it. Goals: Need to boot up from fit image kernel rootfs and dtb. I am able ...
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Issue to see quick testing web server online, how to fix?

1-sudo apt install nginx 2-sudo chown user /var/www/html 3-sudo geany /var/www/html/index.html (put hello world!) 4-/etc/nginx/sites-enabled/default change : server { listen 81 default_server; ...
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1answer
143 views

Custom Firmware Boot Issue For Linksys EA6350

I am trying to connect a custom device to this Linksys router. This device has a firmware file which I copy and paste into the /lib/firmware folder. The issue I am facing is, on bootup if the device ...
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1answer
166 views

Truncated Syslog on OpenWrt

I configured OpenWrt to send syslog to a remote system. This has been working nicely for a long time, however I was missing logs from nginx. nginx on OpenWrt does not support logging to syslog, so ...
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OpenWRT hairpin L2 traffic

I have an OpenWRT Router with embedded switch. I have a KVM machine with macvtap network access. I need guest to host communication. By connecting the host to my Cisco switch hairpin traffic is ...
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1answer
310 views

OpenWrt UEFI boot extremely slow?

I tried to install a thrid-party OpenWrt image to a computer. After writing the image file to SSD and start booting, the kernel message prints at a really slow pace, although some of the timestamp ...
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2answers
769 views

Set the password for the first build of openwrt

I want to build an openwrt source and set everything up through the menuconfig section But there are no settings to set the password Which part should I change or which section should I add? I am ...
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1answer
477 views

Automatically reconnect OpenWRT to wifi

I have a wifi router set as repeater (GL-AR300M-Lite) for my smartphone hotspot. The hotspot settings (SSID + WPA password) are saved in by the router, however it does not connect automatically to it. ...
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377 views

uci: Parse error (section of different type overwrites prior section with same name) at line 12, byte 23

BusyBox v1.28.4 () built-in shell (ash) _______ ________ __ | |.-----.-----.-----.| | | |.----.| |_ | - || _ | -__| || | | || _|| _| |...
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109 views

DNS adblocking ignored on connected clients with Internet access provided over WiFi in 'Client' mode

2019-04-19: I've come to the conclusion this might be some setting or bug in dnsmasq as logs shows config error is REFUSED. I will update this question at sometime in the future after I've analyzed ...
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60 views

Defining GPIO for LED board - Meraki MX100

I have a Meraki MX100 that I have installed VyOS on. While otherwise perfectly functional, the one thing that I cannot seem to get working is the LED board on the front panel. I'm no developer which I'...
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JFFS2 and SQUASHFS erasing entire flash chip

I am working on an OpenWRT system for a custom board with a Flash Memory Chip. One problem is that U-Boot only works if the Flash Memory is in 3 Byte Addressing Mode while Linux needs 4 byte ...
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1answer
1k views

OpenWRT on a router with Broadcom wireless chip

I found a note on openwrt.org / without timestamp / unclear if its very old Wiki entry Broadcom has not released any FOSS drivers. Broadcom doesn’t support open-source much at all. (..) ...
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1answer
306 views

Asterisks locks ALSA device if chan_alsa is loaded

I am implementing an extension 900 which routes the audio to ALSA device.  I am also using mpd, which plays music through ALSA. Asterisk 15, OpenWrt 18.06 mpd.conf: log_file "syslog" ...
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1answer
585 views

pgrep returns different results if run from script than if run in terminal

I have written a script to check how many instances of a process are running in an OpenWrt based system. If I run the following in my terminal COUNT_PS=$(echo `ps -w | grep -v grep | grep upmpdcli | ...
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490 views

How to configure redirect on OpenWrt?

Below is uci config and rules that it produces: uci add firewall redirect uci set firewall.@redirect[-1].target=DNAT uci set firewall.@redirect[-1].proto=tcp uci set firewall.@redirect[-1].src=wan ...
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117 views

Minidlna not indexing new files

I've installed minidlna on my Turris Omnia router, which runs OpenWrt: # /usr/bin/minidlna -V Version 1.2.1 # uname -a Linux turris 4.4.167-4a7a81f8db0ad743e54c68e1845c60b6-1 #1 SMP Tue Dec 18 11:40:...
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60 views

IPoA support in OpenWRT

I have a modem on OpenWrt 18.06.1 and I need RFC 1483-2684 Bridged/routed IP over ATM (IPOA) support On the default installed firmware on my modem I can't seem to find this Protocol My ISP is Free ...

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