[Solved] What will be the output of given linux code?
# bin/bash echo “Please enter your name” read echo “Please enter your Email” read echo “$REPLY” It will throw an error. solved What will be the output of given linux code?
linux
[Solved] Link separated words [closed]
Assuming you have How are you.pdf in a variable you can use parameter expansions: % a=”How are you.pdf” % echo “${a// /.}” How.are.you.pdf The above is a bash expansion and doesn’t work in a POSIX shell. In that case sed or simulare would be needed. To rename all files in the current directory: for a … Read more
[Solved] segmentation fault filing sleep function
The else branch of the if(fsize==0) conditional in csvwrite() does not fclose(fe). There is a limit on the number of files that can be opened by any one process at once; if you call this enough times, you’ll hit the limit, and the next fopen() will return NULL (and errno will be set to EMFILE … Read more
[Solved] why command mv remove all the file? [closed]
Command mv moves files. When file in destination exists, it will be replaced. The right command to copy file is cp. It’s used same way as mv. Command mv git.sh /root/* will substitute wildcard char * with all names the directory contains. Then there are a few cases: /root contains multiple files or directories: command … Read more
[Solved] Finding address of variable in shared library
If you are on a Linux system with a GNU libc, and if the variable is a known name inside the dynamic symbol table of some dynamically linked library, i.e. ELF shared object, and if you can change the code of the main program (or some shared object dynamically linked by it, perhaps playing LD_PRELOAD … Read more
[Solved] Append text to each of multiple lines in file
Use something simple like sed: sed -r ‘s/^([0-9]*)$/update “table1” set event_type = \’NEW\’ where id=\1/’ file | write back using \1 as placeholder catch digits in the file Previous answer I used an approach based on bash loops, whereas it is a bit overkilling. See a related question: Why is using a shell loop to … Read more
[Solved] What is the best way to give a Linux command from one machine to a different machine? [closed]
Solution 1: use SSH pre-shared key to login via SSH without a password. See this link for how to do it. After you have configured it properly, you are able to run a command on your server: ssh hostname-or-ip-of-the-raspi command arg1 arg2 … and will execute command arg1 arg2 … on the Raspberry PI, without … Read more
[Solved] Linux CentOS 6 load balancer and web server choose [closed]
Based off your question and the comment you made above I’d recommend going with apache. I cannot claim to be an expert with nginx or apache, but do know that nginx is very well known for its super fast serving of static content. Apache will get the job done just fine, and being as you … Read more
[Solved] Installation of package.json
This is the same type of issue as #17. It’s not related to Minishlink/web-push. One of your dependancies is stuck in the past with paragonie/random_compat v1.1.5. You should check which one and ask the owner to update the composer.json. To fix this temporarily, in your composer.json, on your dev machine put: “paragonie/random_compat”: “dev-master as 1.1.5”, … Read more
[Solved] Why savepath resets userpath in Matlab?
I could not maintain stably the userpath in the system so a solution which works in the beginning of the functions checkSystemMemory(); %% TODO Virtual memory; enable virtual memory on HDDs. % http://askubuntu.com/q/799834/25388 home=char(java.lang.System.getProperty(‘user.home’)); % all systems if (isempty(userpath)) userpath(fullfile(home, ‘Documents/bin/matlab/’) ) % list software locations in the project location addpath(fullfile(home, ‘Documents/Math/’) ) % list … Read more
[Solved] How to join command output lines into by separating then with \n character [closed]
Use printf() instead of print, as it doesn’t automatically add a newline. Then you can put a literal \n in the output. I’ve put this in a variable so I don’t put it before the first line, only all subsequent lines. Use BEGIN and END blocks to print quotes around it. ssh udcl804 aggr show … Read more
[Solved] How to install PHP5 in Ubuntu 16 Virtual Box guest on Windows 10 host? [closed]
Add the ppa sudo add-apt-repository ppa:ondrej/php5-5.6 Then install python-software-properties first to avoid some errors that might occur sudo apt-get update sudo apt-get install python-software-properties Then install php sudo apt-get update sudo apt-get install php5 To switch to different php versions,assuming you are using both php5.6 and php7.0 Using apache you can do sudo a2dismod php5.6 … Read more
[Solved] Server Programming On Router(linux)
You are not allowed to force users to share something in order to get Wi-Fi access, as you can read in the platform policy: 4.5 Only incentivize a person to log into your app, enter a promotion on your app’s Page, or check-in at a place. Don’t incentivize other actions. That being said, you may … Read more
[Solved] When can I run a shell script with command “. shellscript” in bash,ubuntu?
The Bash shell searches the directories listed in the PATH variable in both shellscript and . shellscript cases. The main difference is that when using . (or equivalently source) to start a script, a new shell process is not created for interpreting the script. This is sometimes useful because it allows the script to define … Read more
[Solved] How do i execute shell script using java
This is a simple code to execute the shell script and read its output: import java.io.*; public class Test { public static void main(String[] args) throws Exception { String[] command = { “./flows.sh”, “suspend” }; Process process = Runtime.getRuntime().exec(command); BufferedReader reader = new BufferedReader(new InputStreamReader( process.getInputStream())); String s; while ((s = reader.readLine()) != null) { … Read more