417 questions
I want to calculate the memory utilization on the server, so I'm looking at the meminfo value.What is MemAvailable?Can I look at it as a total of available (released) memory?
RHEL8 (x86_64) on Amazon EC2 cannot run with a No such file or directory error when trying to run a program (binary file) even though it is definitely present on the file system.I also checked the sha...
Manjaro Linux caused kernel panic, so I tried to repair it using chroot method, but the last /mnt umount error umount:/mnt/dev/pts:target is busy and I cannot umount it.When I checked the usage in fus...
From Ansible to a host that automatically performs an interactive installation upon connectionHow do I connect successfully?If you try to connect, you will see the interaction script output successful...
[Environment]: CentOS or UbuntuWe use the iptables hash limit to determine where the attack is coming from during high traffic.I try to log srcip that exceeds the threshold that I have decided.I think...
I'm starting to get interested in KDE translation, so I'd like to try it, but I don't know (in a different way) so I joined IRC, but I'm not sure from here.I even checked out, but I don't know from he...
Thank you for your help.I'm a new server user who recently started using Linux.Capturing web pages (specifying URLs, rendering, and saving images) is a trial and error process.You can even install Cut...
I'm a beginner in programming.I am creating an app that displays data in the database on Amazon Linux. I'm trying to insert httpd so that I can see it from my browser.commands used: sudo yum install h...
I am currently studying Network Namespace and found the following command in the reference book to delete Namespace in bulk.forns in$ (ip netns list | awk'{print$1}'); do sudo ip netns delete $ns; don...
The languages we use are Python and C/C++, and we are looking for tools in our language environments that can teach us how to use functions like PyCharm and CLion.These IDEs are all you need to do, bu...
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