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by admin 2 years ago

How to find top 10 memory and cpu usage processes

Sometimes server might be responding slowly and need to find which process is consuming high cpu and memory to fix it. Below commands will helpful to find the top 10 cpu and memory usage processes. Top 10 CPU Usage processes : $ ps -eo...

by admin 2 years ago

Installing Ansible in RHEL 7 / CentOS 7

What is Ansible ? Ansible is an open source software which we can use for configuration management, application deployment & software provisionig across multiples systems. its run on a unix operating system but can do the configuration...

by admin 2 years ago

How to register server in Red Hat portal and enable repos.

In below, I have explained with examples to register in Red Hat Portal and enable the repositories using subscription manager. To Register server : [root@rhel7 ~]# subscription-manager register Registering to: subscription.rhsm.redhat.com:443/subscription Username:...

by admin 3 years ago

CentOS 6.x

The CentOS Project is a community-driven free software effort focused on delivering a robust open source ecosystem. For users, we offer a consistent manageable platform that suits a wide variety of deployments. For open source communities,...

by admin 3 years ago

How to redirect standard output and error to a file.

1. To redirect standard output to a file This will redirect the content of /etc/issue to a file /tmp/issue.txt # cat /etc/issue > /tmp/issue.txt To redirect the output to a file which is already having a content and don’t want...

by admin 4 years ago

How to configure Network Bonding

Network bonding is aggregation of multiple network interfaces to single interface for load balancing, high availability, fault tolerance etc., This can be achieved by using the kernel module bonding. By default this will not loaded which...

by admin 4 years ago

Useful SAR commands

An abbreviation of SAR is System Activity Reporter which is an important tool for system administrators to get the performance overview of the server at different point of time. Using sar commaned, we can know the cpu, memory , disk etc,...