I’m running Ubuntu 15.10. So, I just uploaded the Android Studio from the site. After that I unpacked the zip file. Went to android-studio/bin and found studio.sh. Sit permission to be executed chmod +x studio.sh. Ran the file to install with this line: ./studio.sh. Then I had the error I have already n…
How can I merge two files in one using BASH or Python script?
We assume that I have two files like this: File1 : File2 : I want to combine them in order to get one file with this output file : OuputFile : So, in Windows, I made this batch file to get what I expected, but, I have no idea how to do it in BASH (Bourne-Again shell) or in Python
RedHat on port 80
I got Apache Tomcat running some app on RedHat server, now listening on port 8081. I want the app to listen to port 80, but not working. My RedHat server not using firewall so iptables has no relavance. How can i make it work? Here is my server.xml: Answer Ports below 1024 can only be opened by a root user.
Postfix: which option for multiple domains and multiple users?
Our server will have three domains: example.net, example.org, and example.nl. For each, the info@… and webmaster@… should be working (but can be shared / forwarded to one). For the .org and .nl domains those will be the only users. For the .net domain there will be a few dozen users. The .net doma…
valgrind: mmap(0x600000, 8192) failed in UME with error 12 (Cannot allocate memory)
I was following this exercise. This page has instructions to install Valgrind 3.6.1 but this version of Valgrind is not supported by my current Linux kernel version. So, I installed Valgrind 3.11.0 and followed the instructions there after and on running this command: got this error: How to do I fix it? IR…
Image upload using curl
I want to upload image to remote site using curl cli version, i browse several pages here, but not able to solve my problem. I log http header in firefox while uploading image: Answer The basic curlsyntax would be curl -F “image=@/yourPath/yourImageFile.jpg” ‘https://www.site.xxx/upload_pr…
Bash script: Looping through directories over SSH and downloading them to local machine
I’m trying to write a bash script that: Loops through all the directories in a folder over an SSH server Downloads a file (titled say, “foo”) inside each of these folders to a local machine. At the moment, I have: I don’t think I can use scp while I’m accessing the SSH server, ho…
find indices of duplicate floats in a list
I have an input of a very large list of floating point numbers, a sample is given I want to find all the duplicates and their index i.e. location in the list. The duplicates will only occur as a pair; never more than twice. The output should be like so there are just two entries 1.2 and 3.1 which occur
Organize file by Linux
I want to thank the great help and support. Well, I have the following file: and I need that file be this way: Please, someone can help me? Thank you very much Answer awk to the rescue!
How to get linux interface alias(IFLA_IFALIAS) programatically for an interface?
We can set alias to an interface using the command To see that; It is set as an alias. Now I want to read this in a C program, and I am not having an idea. I did make a google search, and even tried to look into the iproute2 (provider of this cli), but to no avail. Can any