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Tag: linux
Fedora 28 / GLIBC 2.27 libm.so.6 logf() and powf() c++
As I am sure other Fedora 28 users will know, the OS’s glibc was recently updated to glibc 2.27. Amongst many other things, 2.27 has added new implementations of logf() and powf(). This has caused my application to fail to run on distributions with an older glibc (Debian, for example). When the applicat…
Yum Repo Issues
My CentOS-Base.repo has the following mirrors: When I say yum install yum-utils, it fails with the error saying http://custom-url/centOS-updates/Packages/yum-utils-1.1.31-46.el7_5.noarch.rpm: [Errno 14] HTTP Error 500 – Internal Server Error Trying other mirror. Error downloading packages: yum-utils-1.1…
Checking for specific system call support in inline assembly
My application builds on environments that are older, and do not support newer (specific) system calls. I can’t go upgrading them for reasons I can’t disclose, but instead of making it compile time (which would lose out on any ‘benefits’) I was wondering if there’s a way to do in…
Install older version of gnu-make in Ubuntu 18.04
I want to install make 3.81 on Ubuntu 18.04. So I download this version of make and run ./configure and then make. But when compiling it gives me this error: Same situation at building version 3.82. My current version of make is 4.1. Is anybody know what could be wrong? Thanks EDIT: glob/libglob.a(glob.o): In…
Get PHP $_SESSION data in .htaccess for LiteSpeed cache
I need to send data from $_SESSION from PHP file to .htaccess for setup Vary variable for setting LiteSpeed cache. PHP script example: .htaccess example I already tried these ways: Via cookies. I set PHP variable in the cookies and get it from there in .htaccess via “RewriteCond %{HTTP_COOKIE} (.*) [NC]…
How to list a directory content
How to access directory files when we don’t have index file. I used this htaccess code but it worked when I mention file but I want to show directory file without insert index file. Please check my htaccess code and tell me where i am wrong thanks Answer You can use the Options configuration option. The…
Why does this not kill remote process?
The follow command works in a local terminal: But this command doesn’t work remotely: …even though script.py on remote belongs to john, the user we are ssh as. I can ping successfully and other commands are successful. Answer You need to escape the pipes to cause them to be passed to the ssh comma…
rails s command issue
The rails s command is showing this issue bellow; I have no idea what it is? this project use to run fine; I haven’t change much either. My env: The weird thing is that I execute the same command in another project and it run just fine. I am missing something? If I try the command along it work but
Passing a Command as a Variable to another Program?
I’m creating an interactive script that allows me to plot specific parts of a data file using Gnuplot. These files contain multiple channels of instrumentation data and I’d like to plot specified channels together on the plot. At the moment I can only plot each channel independently with a script.…