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Monitor and Analyze Hard Drive Health with Smartctl in Linux
WEBSmartctl is a command line tool in linux which is used monitor the health of hard drive and it also check hard drive for errors and bad sectors.
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URL: https://www.linuxtechi.com/smartctl-monitoring-analysis-tool-hard-drive/
Top 11 Open Source Linux Monitoring tools
WEB2) Zabbix. Zabbix is another free monitoring system that is written in PHP and is licensed under GPL. It is a combination of both Nagios and Cacti and provides a simple way for monitoring your network and provides timely alerts in case of any …
How to Repair Corrupted XFS Filesystem with xfs_repair
WEBTo perform the actual repair of the XFS filesystem, we will execute the xfs_repair command without the -n option. $ sudo xfs_repair /dev/sdb1. The command detects the errors and inconsistencies in the filesystem. And performs remediation …
25 Top Command Examples to Monitor Linux Server Performance
WEB6) Shifting Load, Memory, and Task info. The keys m, t, l toggles the memory info, task or CPU status, and load average, respectively.. 7) Display Field Management. Use F to choose the field you want to use on the screen. To select a field, …
How to get started with BusyBox on Linux
WEBAccessing BusyBox shell. To access the BusyBox shell from the BusyBox container image, simply run the command as follows. $ sudo docker run -it --rm busybox. From here, you can start running basic Linux commands as you would normally do on a …
How to Install Check_MK (Monitoring Tool) on CentOS 7 / RHEL 7
WEBTo install EPEL repository on CentOS 7 system, open the terminal & execute the below mentioned command, [root@linuxtechi ~]# yum install epel-release -y. Once the repository has been installed & enabled, we will Set the firewall and selinux …
Generate CPU, Memory and I/O Report using SAR Command
WEBSAR stands for System Activity Report, as its name suggest, sar command is used to collect, report & save CPU, Memory, I/O usage in Unix/Linux like operating systems. SAR command generate the reports on the fly and can also save the reports in …
How to Add Windows and Linux host to Nagios Monitoring Server …
WEBOn the next page, specify your Nagios Server core’s IP address and tick off all the modules and click ‘ Next ’ as shown below. Next, click on the ‘ Install ’ option to commence the installation process. The installation process will start and will take a …
12 Useful ‘dmidecode’ Command Examples for Linux Admin
WEBExample 1) Understanding dmidecode command output. Example 2) Different DMI types used in dmidecode command. Example 3) Display hardware information using type id. Example 4) Display the Information about BIOS. Example 5) Display …
Manage Docker Containers with Portainer.io (GUI tool)
WEBCan be used for Docker monitor and Build. This tool provides us a detailed overview of your Docker environments. This tool allows us to manage your containers, images, networks and volumes. Portainer is simple to deploy – this requires just one …
How to Configure NGINX as TCP/UDP Load Balancer in Linux
WEBStep 4) Configure NGINX to act as TCP load balancer. Edit the nginx configuration file and add the following contents to it, [root@nginxlb ~]# vim /etc/nginx/nginx.conf. Comments out the Server sections lines (Starting from 38 to 57) …
How to Setup Highly Available NGINX with KeepAlived in Linux
WEBStep 4) Install and Configure Keepalived. For CentOS / RHEL systems, keepalived package and its dependencies are available in the default package repositories, so its installation is straight forward, just run below command on both the nodes. $ sudo …
How to Install Kubernetes Dashboard Using Helm
WEBGreat, you are now logged in to the Kubernetes Dashboard. Here are a few key features and functionalities to explore: Cluster Overview: Gain an overview of your cluster’s health, resource utilization, and running pods.; Workloads: View and manage …
How to Use Jinja2 Template in Ansible Playbook
WEBIn most cases, Jinja2 template files are used for creating files or replacing configuration files on servers. Apart from that, you can perform conditional statements such as loops and if-else statements, and transform the data using filters and so much more. …
How to Install Kubernetes (k8s) 1.7 on CentOS 7 / RHEL 7
WEBOn Worker Nodes following components will be installed. Installations Steps of Kubernetes 1.7 on CentOS 7 / RHEL 7. Step 1 Disable SELinux & setup firewall rules. Step 2 Configure Kubernetes Repository. Step 3 Install Kubeadm and Docker. Step 4 …
How to Install and Configure HAProxy on Ubuntu 22.04
WEBStep 1) Install HAProxy on Ubuntu 22.04. The first step is to install HAProxy on Ubuntu. Ubuntu repositories provide HAProxy by default, but it is not the latest one. To view available haproxy package version from default repositories, run. $ sudo apt update.
Quick Guide to Install and Configure Ceph Cluster on CentOS 7
WEBMonitors (ceph-mon): As the name suggests a ceph monitor nodes keep an eye on cluster state, OSD Map and Crush map OSD ( Ceph-osd): These are the nodes which are part of cluster and provides data store, data replication and recovery …
How to Setup ELK Stack Cluster on RHEL 8 / CentOS 8
WEBElastic stack widely known as ELK stack, it is a group of opensource products like Elasticsearch, Logstash and Kibana.Elastic Stack is developed and maintained by Elastic company. Using elastic stack, one can feed system’s logs to …
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