Found a dockerfile that want to create image and run: https://gist.github.com/matsuu/d5b4e83b3d591441f01b7be2ede774e2 Stored it in a new folder as centos-redhat-8-beta.dockerfile on my computer and tried: What is exact command that need to run? Answer Dockerfile is not an extension, per default the file shoul…
Redhat/CentOS – `GLIBC_2.18′ not found
I was trying to run redis server (on a CentOS server) with specific module: and getting error: this is the linux version: Also this is what is showing for /lib64/libc.so.6: Also: Tried as well: What is the process of installing/setting GLIBC_2.18 on Centos/Redhat servers? Thanks.. Answer You can upgrade to th…
How to write a transparent wrapper to terminal application?
Wrapper should handle special control characters and do something but otherwise not interfere with the actual application. (trying to build a tmux like app) So far I have the below modifying example in doc: https://docs.python.org/3/library/pty.html#example The above code works but the vim opened does not cov…
Gnu-parallel resume when changing command
When resuming a parallel command with –resume, is the command allowed to change? In the docs on –resume, it states that It it important that the input of the completed jobs is unchanged but it doesn’t mention if the command itself can change as long as the input doesn’t change. For exa…
c++ close a open() file read with mmap
I am working with mmap() to fastly read big files, basing my script on this question answer (Fast textfile reading in c++). I am using the second version from sehe answer : and it works just great. But if I implement it over a loop of several files (I just change the main() function name to: and then get the
find: combining multiple “-exec” statements not working with toybox / Android?
I am trying to figure this out on an Android phone running Oreo / 8.0, with toybox 0.7.3-android. I am trying to get a list of files inside a folder and their respective mtime. I am running this command: or In both cases I am only getting the result from the first invocation of “stat”. Am I overse…
Building Poco with Custom OpenSSL
I need to build Poco using the OpenSSL that I built from source, rather than the one installed by Ubuntu’s apt. Let’s say my OpenSSL root is in /opt/openssl/1.0.2. Do I need to set environment variables, or pass parameters to the configure or make steps? I’m not finding any info in the docs,…
X86-64 passing float and int as arguments
When passing a float to a function as the first argument the %xmm0 register gets set. What if we want to pass an integer as the second argument in the function. Which one of %rdi or %rsi gets the argument? e.g. avg ( float f, int i ) Is the order preserved, so that %rsi will get the int? Edit:
clangd on linux cannot find default headers
I’ve installed the newest LLVM toolchain from the official PPA, including clang, clang-tools-extra, lldb, lld, libc++ and libc++abi. I’m trying to use clangd with emacs + lsp. All works fine except clangd cannot find default headers like memory, vector and so on. My code is fine, it is normally co…
How to select a specific range of rows from a text file with bash script [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 3 years ago. Improve this question I wan…