Which is the source IP address in tcp socket if bind is called on a multihomed client host? Client has two interfaces eth0(IP0) and eth1(IP1) and the client tcp socket is bound to IP0. After socket, bind, connect in client, it sends a packet to server.The destination IP isservIP. But servIP and IP0 are not in…
Qt creator platform codegen flags
Seems Qt creator “platform codegen flags” does not take effect (Tools->Options…->Build&Run->Compillers). Mentioned there “-std=c++11” flag however it was not added to Makefile. Also added g++-5 there – also no effect: CXX = g++ CXXFLAGS = -pipe -g -Wall -W $(DE…
Jar doesn’t execute on linux
I exported an executable Jar file from Eclipse. On Windows when I double-click the file, it executes properly. When I run it from command line with java -jar MyJar.jar it also works. But when I upload that file on my linux VPS and try to run it there, I just get the error Error: Could not find or load main
Running CUDA on ThinkPad w550s Ubuntu system (Quadro K620M) [closed]
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Makefile error: syntax error: unexpected word (expecting “fi”)
I have a problem with the following section of a Makefile: make SHELL=’sh -x’: If I remove the line: cp -r “/mnt/firmware”/* “/mnt/build-env”/lib/firmware/; it will work, but I can’t see what the problem is. What am I doing wrong? Answer You should add ; after this f…
How to append a column for the result set in shell script
I need a script for the below scenario. I am very new to shell script. the above query results with following result Now I need to get result as follows: 1st column, 3rd column ,4th column of above result set and new column with default values Here the last column values is always known values i.e for file1 D…
shell script to read values from one file and replace it in other file
I would like to replace a set of strings into a new file. Source file file1.json values has to be replaced by values from file1.config into file file2.json. I have following script that is failing to do so. file1.json file1.config run.sh Error: file2.json appears, but it has no values replaced. Answer Just ex…
I want to write a function that retrieves a webpage
I’m trying to write a function that returns the html code of a specified URL here’s my code so far: only the first success string is printed: success here’s my writememorycallback: the same code when embedded into the body of the main function works just fine. Answer If only the first string…
edit-and-execute-command bash with sublime text
In a bash terminal session, I notice that the edit-and-execute-command C-xC-e does not work with Sublime Text 3. I’ve set EDITOR=subl, but when I try to edit a command line from bash, sublime-text opens an empty window. Do I miss something ? Answer You should export the EDITOR as: as: To use Sublime Tex…
Raw Sockets in C
1. The linux manual page says about this code. In socket option, if IP_HDRINCL is set, I can make IP header. Am I right? If it’s right, above socket also let me make TCP header, too? Then, if IP_HDRINCL is not set, what means above socket? 2. what means above code comparing to number 1 question’s …