For example wc -l filename would print out for example “3 filename”, while wc -l < filename would print out only “3” disregarding “filename”. This means there must have been some program that got rid of “filename” with the addition of input redirection “…
Tag: linux
Saliency Model – BMS (having error setting up)
I have downloaded a saliency model called BMS “Exploiting Surroundedness for Saliency Detection: A Boolean Map Approach” from here – available online. The code has been implemented and tested on Windows. I am trying to set up on my machine (Linux Mint), by reading the instructions given insi…
Installing node-gyp offline
node-gyp has millions of threads regarding offline installation issues, however, none of the solutions worked for me. I’m trying to install node-sass-chokidar actually, which depends on node-sass and therefore depends on this package. I’m working on Ubuntu 16.04. Due to the pc being offline, I can…
SIOCGIFCONF return only loopback interface
I want to get all network interfaces names present on the system. For system portability (Android included) I decided to write a method that performs this task using ioctl because I think (probably wrongly) that ioctl is one of the best for this task. So I wrote this code But the problem is, that it returns o…
No cursor motion capability occurs when startup linux script execute minicom script with at commands
I have created a startup Linux script for a board that runs Debian jessie Armbian 8.1. I need at startup to run at command in a modem attached to it via USB interface. I’ve put the script inside rc.local: In the folder Script I have a script: The at_command contains: The issue is that when I run the scr…
How to load native library (.dlls) from a java application running on linux?
I have a java application in ubuntu, java application uses a jar. This jar uses some native libraries(.dll). System.loadLibrary(“my_native_library”) is used in the jar to load required libraries. In linux it tries to load an .so file means here my_native_library.so, but I have my_native_library.dl…
Linux – auto restarting with sleep
Current code of mine is I don’t have access to a linux box right now and only way to do my request will be made on the live server and I don’t want to test and jeopardize something, so I would be happy if I could get some help Is this the way it should be if I want my
bash list postgresql databases over ssh connection
I am doing some work on a remote Postgresql database. When I log into the server this command works on bash: $ psql -c “l” Remote login over ssh is possible using: But why doesn’t it work from this command? This is working, also “psql -l” but I don’t understand why I have t…
How to read file in linux command line?
I’m doing this challenge thing and this is one of the levels: An agent on Level 05 has told us about another big hack he’s working on. Apparently someone broke into a popular shopping site, stole all the usernames and passwords and was going to post them online. Luckily, we got to them first and r…
Delete certain columns and add horizontally in AW. So many columns that I cannot type each one
I have been struggling more than a day and I cannot make my script work. Please help. My txt file extends to 500 columns. I need to delete columns 5,9,13,21,…, always delete n=4 column. Then, after removing the columns I mentioned above, I need to add all the columns remaining, BUT NOT taking into accou…