Top "Sysctl" questions

The sysctl is a Unix interface used to modify variables that the kernel uses to determine behavior.

Solving Redis warnings on overcommit_memory and Transparent Huge Pages for Ubuntu 16.04 on EC2

On a fresh Ubuntu 16.04 EC2 instance the warnings appear like so: WARNING overcommit_memory is set to 0! Background save may …

ubuntu amazon-ec2 redis sysctl huge-pages
Disable and re-enable address space layout randomization only for myself

I would like to disable address space layout randomization (ASLR) on my system (Ubuntu Gnu/Linux 2.6.32-41-server), but, if …

linux bash aslr virtual-address-space sysctl
Cannot run sysctl command in Dockerfile

I'm trying to make my first dockerfile(I'm new to this), and I need the system to run the command …

docker sysctl
Invalid argument" setting key "net.core.somaxconn"

I tried setting Linux kernel. After editing /etc/sysctl.conf and executing the sysctl -p it shows error Invalid argument" …

linux networking tcp linux-kernel sysctl
Refresh net.core.somaxcomm (or any sysctl property) for docker containers

I am trying to change net.core.somaxconn for docker container to be able to have larger queue of requests …

linux docker amazon-elastic-beanstalk sysctl
Need to "calculate" optimum ulimit and fs.file-max values according to my own server needs

Need to "calculate" optimum ulimit and fs.file-max values according to my own server needs. Please do not conflict with "…

linux-kernel ulimit sysctl
Permanent fix to tail: cannot watch `log/development.log': No space left on device

I've been using Ubuntu 11.10 for a little over a week now. But after some time I encountered this error(the …

ruby-on-rails tail ubuntu-11.10 inotify sysctl
Default /etc/sysctl.conf settings for Mac OS X Snow Leopard?

I tried to install PostgreSQL 9.1.2 for Mac OS X 10.6 and it asked me to edit the sysctl.conf file inside …

macos postgresql sysctl
How to get maximum TCP Receive/Send window in MAC OS X?

How to get maximum TCP Receive/Send window in MAC OS X? There are two ctl in Linux. /proc/sys/…

linux macos tcp sysctl
errno: 38 (Function not implemented) on a call to change sysctl value

I want to set some local sysctl parameters with my program and I followed the directions given here: http://www.…

c linux ipv6 errno sysctl