Trying to debug that Linux issue or need help installing it on another system? This is the right place for that and other Linux-related tips.
Total 52 articles.
In this tutorial, I will talk about Prometheus and Grafana. You will learn to install both on CentOS/RHEL and understand how to use Prometheus and Grafana to monitor the Linux server. Introduction Grafana is a leading time-series, an open-source platform for visualization and monitoring. It allows you to query, visualize, set alerts, and understand metrics…
The default system and service manager for most Linux distributions now is systemd. The systemd process replaces the SysV init. It runs as the first process after the kernel boot and is responsible for bringing the Linux host up to the state where it can be used. It is responsible for starting and managing the…
One of the frequently used utilities by sysadmin is wget. It can be very handy during web related troubleshooting. What is wget command? wget command is a popular Unix/Linux command-line utility for fetching the content from the web. It is free to use and provides a non-interactive way to download files from the web. The…
Sooner or later, all system administrators face the challenge of administering servers. And, tools come to rescue the sysadmin’s life. As a sysadmin, you just don’t work on core OS (Linux or Windows) but also deals with what is hosted on them. It could be a database, application server, web server, messaging applications, caching, etc….
The Linux find command is a powerful tool that enables system administrators to locate and manage files and directories based on a wide range of search criteria. It can find directories and files by their name, their type, or extension, size, permissions, etc. Besides locating files and directories, combining the find command with others enables…
Even though Linux based systems are often considered impenetrable, there are still risks that need to be taken seriously. Rootkits, viruses, ransomware, and many other harmful programs can often attack and cause problems to Linux servers. No matter the operating system, taking security measures is a must for servers. Large brands and organizations have taken…
Windows have come a long way. Great news – now you can install Linux on Windows desktop or laptop. Isn’t it exciting news? Thanks to Microsoft! If you are using Windows 10 and would like to have Linux installed,, then the following steps may help. I assume you know about Linux. If not, then check…
Are you missing your favorite dig tool on CentOS or RHEL 7 and 8? When you run dig, you will get command not found error. [[email protected] geekflare-trends]# dig -bash: dig: command not found [[email protected] geekflare-trends]# Dig it handy to perform DNS lookup and investigate DNS related issues, right from the terminal. But for some reason,…
A solution to sharp EACCES permission denied error while installing the nodejs package. While installing the Nodejs package Browsertime, I got the following error. [[email protected] ~]# npm install browsertime -g /usr/bin/browsertime -> /usr/lib/node_modules/browsertime/bin/browsertime.js > @sitespeed.io/[email protected] install /usr/lib/node_modules/browsertime/node_modules/@sitespeed.io/chromedriver > node install.js (node:26690) UnhandledPromiseRejectionWarning: Error: Destination Folder must exist at DownloaderHelper.__validate (/usr/lib/node_modules/browsertime/node_modules/@sitespeed.io/chromedriver/node_modules/node-downloader-helper/dist/index.js:390:23) at new DownloaderHelper (/usr/lib/node_modules/browsertime/node_modules/@sitespeed.io/chromedriver/node_modules/node-downloader-helper/dist/index.js:61:20) at…
A solution to g++ command not found an error while installing nodejs packages. I was installing Browsertime on CentOS 7 and encountered this error. info sharp Downloading https://github.com/lovell/sharp-libvips/releases/download/v8.8.1/libvips-8.8.1-linux-x64.tar.gz prebuild-install WARN install No prebuilt binaries found (target=11.15.0 runtime=node arch=x64 libc= platform=linux) make: Entering directory `/usr/lib/node_modules/browsertime/node_modules/sharp/build’ TOUCH Release/obj.target/libvips-cpp.stamp CXX(target) Release/obj.target/sharp/src/common.o make: g++: Command not found make: ***…
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