Enable epel repository dnf install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm First, update the DNF package repository cache with the following command: Now, install Ansible with the following command: Install git Playbook LEMP example:
dnf install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm on RHEL 8 it is required to also enable the codeready-builder-for-rhel-8-*-rpms repository since EPEL packages may depend on packages from it: subscription-manager repos –enable «codeready-builder-for-rhel-8-$(arch)-rpms» Installing MariaDB Server 10.4 o deploy MariaDB Community Server 10.4 on RHEL 8 or CentOS 8, first download and use the mariadb_repo_setup script to configure the MariaDB repositories for… Leer más: How To Install Linux, Nginx, Mariadb 10.x, PHP (LEMP) stack… »
Add the CentOS 7 EPEL repository, run the following command: Installing MariaDB Server 10.4 o deploy MariaDB Community Server 10.4 on RHEL 7 or CentOS 7, first download and use the mariadb_repo_setup script to configure the MariaDB repositories for YUM: $ sudo yum install wget $ wget https://downloads.mariadb.com/MariaDB/mariadb_repo_setup $ chmod +x mariadb_repo_setup $ sudo ./mariadb_repo_setup To install… Leer más: How To Install Linux, Nginx, Mariadb 10.x, PHP (LEMP) stack… »
Confirm that the amazon-linux-extras package is installed: If the command doesn’t return any output, then install the package that will configure the repository: Install PHP 7.4, 7.3, 7.2 on Amazon Linux 2 Let’s confirm that PHP 7.x topic is available in our Amazon Linux 2 machine:https://ba81e333c7babb426e39b458bb330c84.safeframe.googlesyndication.com/safeframe/1-0-38/html/container.html As we can see all PHP 7 topics, in this example… Leer más: Install PHP 7.4, 7.3, 7.2 on Amazon Linux 2 »
sauce: https://rootly.io/blog/what-sres-can-learn-from-facebook-s-largest-outage?utm_source=reddit&utm_medium=blog SRE (Site Reliability Engineer).- Is an engineer whose main role is maximizing the reliability of IT systems. Facebook’s October 2021 outage was the type of event that gives SREs nightmares: A series of critical business apps crashed in minutes and remained unavailable for hours, disrupting more than 3.5 billion users around the world and costing… Leer más: What SREs Can Learn from Facebook’s Largest Outage »
It won’t show the actual IO operations, but you can also use the fuser utility to identify process(es) using the filesystem in any way, even those that don’t cause actual IO, or do IO in ways that can’t be traced back to a particular process (mmap() of files is one, where a file can be mmap()‘d by multiple processes): Synopsis Description… Leer más: How to check which process is writting on FileSystem Solaris »
What is Fault Management Architecture (FMA) The Oracle Solaris OS includes an architecture for building and deploying systems and servicesthat are capable of predictive self healing. The service that is the core of the Fault ManagementArchitecture (FMA) receives data related to hardware and software errors and system changes,and automatically diagnoses any underlying problem. For a hardware… Leer más: How to Delete or Clear old FMA/fmdump logs »
It is a good practice to create swap on system during operating system installation. But in some cases if you don’t have enabled swap on your system during installation and you are in required to enable swap on system. This article will help you steps by step instructions to enable swap on CentOS & RHEL… Leer más: How to Add Swap on CentOS & RHEL 8/7/6 »
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Change the MTU Permanently (Oracle Solaris) Add this line in the /etc/driver/drv/i40e.conf file:default_mtu = desired-frame-size where desired-frame-size value can range from 1500 to 9706. Reboot the server. Another way to change the MTU permanently is with # dladm set-linkprop -p mtu=9706 net0.# dladm set-linkprop -p mtu=9706 net0 Change the MTU Temporarily (Oracle Solaris) Use the dladm(1M) command to modify MTUs.For example,… Leer más: Change the MTU Permanently (Oracle Solaris) »