Install and Configure Log with Graylog in Ubuntu 20.04 - Step by Step Process ?
This article covers to install and configuren Graylog in ubuntu. With this, you can work with the log using the Graylog server. Graylog is an open-source tool that offers an integrated platform for collecting, indexing, and analyzing log data. The system essentially consists of the Graylog web interface, the Graylog servers, the Elasticsearch nodes, and a Mongo database.
How to Access Graylog Web interface ?
Open a browser on your local system or remote that can access the Ubuntu 20.04 server Ip-address. And type the http://your-server-ipaddress:9000
Replace your-server-ip-address with the actual IP address of your Server where Graylog has been installed.
Df Command in Linux - How is works ?
This article covers how to use the df command in Linux. You can use the df command when you need to know how much space is available on a particular file system or to see an overview of mounted files systems.
If you want to display all the file system, use -a option:
df -a
Options for df command includes:
- -a, –all : includes pseudo, duplicate and inaccessible file systems.
- -B, –block-size=SIZE : scales sizes by SIZE before printing them.
- -h, –human-readable : print sizes in power of 1024.
- -H, –si: print sizes in power of 1000.
- -i, –inodes : list inode information instead of block usage.
- -l, –local : limit listing to local file systems.
- -P, –portability : use POSIX output format.
- –sync : invoke sync before getting usage info.
- –total : elide all entries insignificant to available space, and produce grand total.
- -t, –type=TYPE : limit listing to file systems of type TYPE.
- -T, –print-type : print file system type.
Install NtopNG on Linux Mint 20 - Step by Step Process ?
This article covers easy steps to install the NtopNG utility on your Linux Mint 20 system. Once it is installed on your system, you can start using it for network traffic monitoring after configuring it according to the specifications of your machine.
To check whether NtopNG is installed or not, run the command:
$ systemctl status ntopng
To start NtopNG service, execute the command:
$ systemctl start ntopng
Top 7 Best Free SSL Certificate Services
This article covers a detailed review of the leading SSL certificate provision services in the market. Many SSL certificate providers offer brilliant security and privacy-related services but at a hefty cost. However, in this article, we discuss the SSL certificate providers that offer their World Wide Web protection services either for free or offer free trials so that users can acquaint themselves with the services to make the best decisions for their products, or their organizations. Let's Encrypt and SSL For Free offer free SSL certification for all, whereas Comodo, Cloudfare, HubSpot, GeoTrust, and GoDaddy offer free trials varying between the free trial periods ranging from 14 days for up to 30 days.
Website security is a top concern for site owners and visitors alike. If your site isn't secure, people won’t feel safe browsing, purchasing, making clicks, or entering any information on your pages.
Update Firmware on Ubuntu Using fwupd - Step by Step Process ?
This article covers how to update firmware on Ubuntu using fwupd. Fwupd aims to make firmware update on Linux systems automatic, safe, and reliable. It is mainly used to update UEFI firmware. There are many companies that already support native firmware updates such as Dell, Lenovo, HP, Intel, and System76.
To Install fwupd on Ubuntu, run the following command:
$ sudo apt install fwupd
To download and apply all updates for your system use the update option:
$ fwupdmgr update
Install Node.JS on Rocky Linux 8 - Step by Step Process ?
This article covers the Installation process of NodeJS on Rocky Linux. Nodejs is a JavaScript runtime built on Chrome's V8 JavaScript engine and is designed to build scalable network applications.