I use wrk to test web API service managed by supervisor on ubuntu 16.04. have error “too many open files”, but i have set system config still have error “too many open files” I found supervisord is belongs to root and cat /proc/PID/limits so, add root limit settings to limits.conf like…
Tag: linux
ngrok error Failed to read valid http request: malformed HTTP request
I’m using ngrok building a Secure tunnels to localhost server On server side I run the command start ngrok Display It seems fine. Then I run the command on client side and the Alway reconnecting. Then I checkd the server side display these error [07/12/17 17:40:13] [INFO] [pub:7ac836d4] New connection f…
Spliting large scm files into individual commands
I have a very large scm file that is over 3 million lines long. I am ‘cat’ing it through a telnet port to a virtual server. I need to split the code into its individual lines and feed it into the server. It should send one line and wait a few milliseconds before sending the next line. Ex: … …
Extracting the PMK from a WiFi client under EAP-PEAP authentication, for analysis on Wireshark
I’m starting a research project related to WiFi, which requires me to analyze the exchange of frames in between a WiFi client and AP during connection setup. Experimental setup: I have a laptop M, capturing WiFi traffic with Wireshark on monitor mode, a device A (running Linux) connecting to a WiFi netw…
How can I delete a specific text in a text file
I have a text file : and I want to delete 192.168.47.1 line I tried but output is : I tried sed ‘s/192.168.47.1//g’ but again output is : I searched on google but but I am not able to find the right one. Answer The problem is that your pattern matches 3 lines in your data. You need to end
How to add 2nd RSA key to access Azure VM from a 2nd remote computer? [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. If you believe the question would be on-topic on another Stack …
Who can send to a socket bound to INADDR_LOOPBACK?
I’m somewhat new to socket programming, and am confused about the concept of binding a socket to the address INADDR_LOOPBACK, or 127.0.0.1. If I’m writing server code to listen for messages on a specific port, and I bind a socket to an address as in the following code exerpt… …my quest…
.Net Core ignoring Environment Variable DOTNET_SKIP_FIRST_TIME_EXPERIENCE
It seems apparent that you can save some time doing .NET Core builds by setting Environment variable DOTNET_SKIP_FIRST_TIME_EXPERIENCE=true. I am finding this is not the case on CentOS 7 and Debian Jessie Linux distros. I have a Jenkins slave Docker image, used by Jenkins to build .NET Core services, my image…
Bash Syntax Error syntax error: unexpected end of file
We are using the Bourne-Again Shell. What does this error mean?: syntax error: unexpected end of file Answer The single quoted string starting with is missing the closing single quote. SO’s syntax highlighting shows it, too. Maybe you wanted to backslash the quote? or there are double quotes missing too…
How to make top run in background ? It needs to run and log the output. Not die or zombie up
I am trying to make a script to log the top output to a file in the background for my embedded system. But as soon as I put it in background, it either exits or zombies up. What is the systems problem with running things in background ? My script I am trying to execute it as and as How