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These questions are about Linux in general -- NOT specific to a particular distribution. If the question just happens to be in a Linux environment, please specify your Linux distribution in the body of your question, but do NOT use the /linux tag.

0
votes
1answer
How to find a private (Class A) cable RF IP address (10.x.x.x) assigned to cable modem by provisioning system in DOCSIS cable network node? In certain situations, when device is online, the IP address …
asked May 20 '18 by minto
1
vote
1answer
Board with ARM926EJ CPU, running embedded Linux v2.6.26.5, on NAND Flash device, NAND 32MiB. Linux is on MTD partitions on NAND device. How can I backup Linux kernel image (SP2Xcybertan_rom_bin … Name: SP2Xcybertan_rom_bin Created: 1970-01-01 0:00:-1 UTC Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 1572736 Bytes = 1.5 MB Load Address: 20008000 Entry …
asked Jan 3 '18 by minto
0
votes
1answer
Here is some socat command example I find: $ printf "md.b 0x0800000 0x100000\r\r" | \ socat - /dev/ttyUSB0,raw,echo=0,crnl >u-boot.ascii 2>&1 It's not clear what is purpose of backslash "\" after v …
asked Jan 4 '18 by minto
1
vote
1answer
How to use dd command to download mtd block from embedded Linux-based device? # cat /proc/mtd dev: size erasesize name ... mtd3: 003a0000 00010000 "DRTI2" I need download mtd3 block, so dd …
asked Dec 22 '15 by minto
1
vote
0answers
/dev/sdb2 Sat Oct 17 22:34:36 2015 fsck from util-linux 2.20.1 ROOT: 112816/2498560 files (0.2% non-contiguous), 955505/9984000 blocks Sat Oct 17 22:34:39 2015 =========== Log of fsck -C -R -A -a … -f Sat Oct 17 22:34:39 2015 fsck from util-linux 2.20.1 BOOT: 240/128000 files (1.3% non-contiguous), 32629/256000 blocks Sat Oct 17 22:34:40 2015 …
asked Oct 17 '15 by minto
0
votes
1answer
what is proper command compress mtdblock with 'tar' before sending it via TFTP? tftp -l /dev/mtdblock3 -p 192.168.100.40
asked Dec 23 '15 by minto
0
votes
2answers
How to recursively replace strings (location path) in the files in directory, except binary files? I tried command find . -type f -exec sed -i 's/foo/bar/g' {} + but it replaces also strings in bin …
asked Jun 15 by minto
2
votes
1answer
I'm trying to debug an embedded device, connection via serial port, connected with USB to UART cable. Embedded Linux v.2.6.26.5 How to access the root filesystem "/" and subdirectories under the root …
asked Apr 10 '17 by minto
0
votes
0answers
Shell script scan network range for specific SNMP OIDs: #!/bin/bash # snmpget command poll the network range for certain OIDs for (( i=254; $i; i=$i-1 )) do host=10.77.32.$i; snmpget -v 2 …
asked May 20 '18 by minto
1
vote
2answers
How to view files, created by Linux and programs in /tmp directory? The file names are hidden, command ls -al /tmp only show the presence of files not their names. Edit: I find that place in saved …
asked Dec 27 '17 by minto
2
votes
6answers
values (hex 8 digit, with leading zeroes): 00020000 00030000 00040000 ... the output is printed into the text file. How to make this with python or linux shell script? EDIT #1 I missed one extra …
asked Jul 21 '18 by minto
0
votes
0answers
Board running embedded Linux version 2.6.26.5 and Busybox 1.10.2 When accessing board via a serial console port, the access to root shell is password protected. How to make the password prompt accept …
asked Jun 25 by minto
0
votes
I wrote this code, it works for my purpose: find . -type f -exec grep -Iq . {} \; -exec sed -i 's|/foo|/bar|g' {} +
answered Jun 18 by minto