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Setting Up High-Performance ‘HHVM’ and Nginx/Apache with MariaDB on Debian/Ubuntu HHVM stands for HipHop Virtual Machine, is an open source virtual machine created for running Hack (it’s a programming language for HHVM) and PHP written applications. HHVM uses a last minute compilation path to achieve remarkable performance while keeping the flexibility that PHP programmers are addicted to. Till da
The RAM memory cache is a mechanism used by the kernel to keep regularly accessed data. While this boosts system responsiveness, an overloaded cache can lead to the retention of obsolete data, affecting performance. Like cache, the buffer holds data temporarily but differs in its purpose. Buffers store data being transferred between components like the CPU and hard disk, facilitating smooth commun
Narad ShresthaLast Updated: March 15, 2024 Read Time: 5 minsCategories Linux Commands 32 Comments We frequently use the history command in our daily routine jobs to check the history of commands or to get information about commands executed by users. In this post, we will see how we can use the history command effectively to extract the commands that were executed by users in the Bash shell. This
How to Manage ‘Systemd’ Services and Units Using ‘Systemctl’ in Linux Systemctl is a systemd utility that is responsible for Controlling the systemd system and service manager. Systemd is a collection of system management daemons, utilities, and libraries which serves as a replacement of System V init daemon. Systemd functions as central management and configuration platform for UNIX like system.
Disable and Remove Unwanted Services on RHEL/CentOS 7 Minimal Installation RHEL/CentOS 7 minimal installation for servers comes with some default pre-installed services, such as Postfix Mail Transfer Agent daemon, Avahi mdns daemon (multicast Domain Name System) and Chrony service, which is responsible to maintain system clock. Remove Services in CentOS 7 Now comes to the question.. Why wed need t
Ravi SaiveLast Updated: October 6, 2023 Read Time: 8 minsCategories Monitoring Tools 13 Comments If you’re working as a Linux/Unix system administrator, sure you know that you must have useful monitoring tools to monitor your system performance. As monitoring tools are very important in the job of a system administrator or a server webmaster, it’s the best way to keep an eye on what’s going on ins
The Story Behind ‘init’ and ‘systemd’: Why ‘init’ Needed to be Replaced with ‘systemd’ in Linux I am subscribed to several mailing lists related to various Linux Distributions and Applications just to keep myself updated with what’s going on where. What are the new bugs? What are the Patches Released? What is expected in next release? and a whole lot of other stuffs. These days the mailing list is
How to Install EPEL Repository on RHEL, Rocky & AlmaLinux In this article, you will learn how to install and enable the EPEL repository on RHEL-based Linux distributions to install additional standard open-source software packages by using YUM and DNF package manager. What is EPEL EPEL (Extra Packages for Enterprise Linux) is an open-source and free community-based repository project from the Fedo
For years, certifications in the Information Technology world have helped job candidates demonstrate their skills to potential employers. In the Linux world, this is as Dear friends, The Tecmint.com team is pleased to announce that a long-awaited request from you has become a reality: the availability of the RHCSA (Red
A terminal emulator is a computer program that reproduces a video terminal within some other display structure. In other words, the terminal emulator has the ability to make a dumb machine appear like a client computer networked to the server. The terminal emulator allows an end-user to access the console as well as its applications such as text user interface and command-line interface. You may f
linux-dash: Monitors “Linux Server Performance” Remotely Using Web Browser If you are looking for a low resource, speedy server statistics monitoring script, look no further than linux-dash. Linux Dash’s claim to popular is its slick and responsive web dashboard that works better on large and small screens. linux-dash: Server Monitoring Tool linux dash is a memory efficient, low resource, easy to
Everybody says that Linux is secure by default and agreed to some extend (It’s debatable topics). However, Linux has in-built security model in place by default. Need to tune it up and customize as per your need which may help to make more secure system. Linux is harder to manage but offers more flexibility and configuration options. 25 Linux Security and Hardening Tips Securing a system in a prod
4 Useful Commandline Tools to Monitor MySQL Performance in Linux There are plenty of tools to monitor MySQL performance and troubleshoot a server, but they don’t always perfect match for a MySQL developer or administrator’s for their common needs, or may not work in some situations, such as remote or over the web monitoring. MySQL Monitoring Tools Luckily, there are variety of open source tools cr
As an owner of the website, it is very difficult to manage multiple websites without a control panel. However, to suit the needs, we need a custom hosting plan. A Web hosting control panel is a totally web-based interface that has the capability to manage your web services under a single location. These web-based control panels can manage email accounts, FTP accounts, file management functions, cr
AvishekLast Updated: July 14, 2023 Read Time: 2 minsCategories Linux Commands 5 Comments Linux booting is a complex process as compared to booting processes in any other distribution. The Linux Kernel accepts a lot of parameters at booting, in command-line. This command-Line boot time parameter passes several kind of information to Linux Kernel at System Startup. Kernel Boot Time Parameters Bootin
Glances – An Advanced Real Time System Monitoring Tool for Linux Earlier, we’ve written about many Linux System Monitor Tools that can be used to monitor the performance of Linux systems, but we think that most users prefer the default one that comes with every Linux distribution i.e. top command (real-time monitoring of system processes). The top command is the real-time task manager in Linux and
AvishekLast Updated: July 14, 2023 Read Time: 5 minsCategories Linux Commands 44 Comments Linux command line is attractive and fascinating, and there exists a flock of Linux user who are addictive to command Line. Linux command line can be funny and amusing, if you don’t believe me, you can check one of our article below. 20 Funny Commands of Linux or Linux is Fun in Terminal 51 Lesser Known Comma
If you’re aiming to elevate your Linux learning process to an advanced administrative and expert level, we have meticulously curated a collection of 10 exceptional Free Linux eBooks. These invaluable resources are designed to empower you in constructing an exceptionally robust foundation for your Linux skills. With these ebooks at your fingertips, you can confidently embark on a journey of profoun
How to Install and Use Linux Malware Detect (LMD) with ClamAV as Antivirus Engine Malware, or malicious software, is the designation given to any program that aims at disrupting the normal operation of a computing system. Although the most well-known forms of malware are viruses, spyware, and adware, the harm that they intend to cause may range from stealing private information to deleting persona
AvishekLast Updated: July 13, 2023 Read Time: 6 minsCategories Linux Commands 17 Comments Overwhelmed with the response of last two articles of “Lesser Known Linux Article” series namely. 11 Lesser Known Useful Linux Commands – Part I 10 Lesser Known Linux Commands – Part 2 10 Lesser Known Effective Linux Commands – Part IV 10 Lesser Known Useful Linux Commands- Part V 10 Lesser Known Linux Comman
Rob KrulLast Updated: January 19, 2024 Read Time: 3 minsCategories Debian 29 Comments One of the biggest draws to using Linux is its easy customization and one of the most fun things to customize is the Kernel itself, the heart of the Linux operating system. Chances are that you will most likely never have to compile your own kernel. The one that ships with your distribution and updates via your p
AvishekLast Updated: July 14, 2023 Read Time: 5 minsCategories Linux Commands 26 Comments Continuing the last conversation from 11 Lesser Known Useful Linux Commands – Part I here in this article we will be focusing on other lesser known Linux commands, that will prove to be very much useful in managing Desktop and Server. 10 Lesser Known Linux Commands 12. <space> Command Every piece of command y
Getting Started with Linux Screen Command [20 Useful Examples] Brief: In this guide, we will discuss some useful examples of the screen command. By the end of this guide, users will be able to work with multiple shell sessions using a single Linux terminal window. As Linux users, we often need to work on long-running tasks, such as – downloading or copying large files, executing time-consuming dat
In most modern Linux distributions, the latest version of Firefox has been already installed from the default distribution package manager and configured as the default browser. In this article, we will explain other ways of installing the latest version of Firefox on RHEL-based distributions such as CentOS Stream, Fedora, Rocky, and AlmaLinux and Debian-based distributions such as Ubuntu and Linu
How to Install VirtualBox 7.0 on RHEL and Debian Based Distributions VirtualBox is an open-source cross-platform virtualization software, that can be installed on any operating system to run multiple guest virtual machines on the same computer. For example, if you install it on your Linux system, you can run Windows operating system under it as a Guest OS or run Linux OS on your Windows system, an
Google Chrome is a most popular, fast, secure, and easy-to-use free cross-platform web browser developed by Google, and was first released in 2008 for Microsoft Windows, later versions were released to Linux, macOS, iOS, and Android. Most of Chrome’s source code is taken from Google’s open-source software project Chromium, but Chrome is licensed as proprietary freeware, which means you can downloa
AvishekLast Updated: July 19, 2023 Read Time: 14 minsCategories Linux Commands 212 Comments Linux has a rich collection of commands, and while many of them are powerful and useful for various tasks, there are also some funny and whimsical commands that you can try out for amusement. 1. sl Command (Steam Locomotive) You might be aware of the command ls command, which is used frequently to view the
netstat (network statistics) is a command-line tool for monitoring network connections both incoming and outgoing as well as viewing routing tables, interface statistics, etc. [ You might also like: 22 Linux Networking Commands for Sysadmin ] netstat is available on all Unix-like Operating Systems and also available on Windows OS as well. It is very useful in terms of network troubleshooting and p
5 Best Practices to Prevent SSH Brute-Force Login Attacks in Linux Servers running SSH are usually a soft target for brute-force attacks. Hackers are constantly coming up with innovative software tools and bots for automating brute-force attacks which further increase the risk of intrusion. In this guide, we explore some of the tips that you can implement to safeguard your SSH servers from brute-f
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