09
Jun
2024
Sudhanshu Shekhar
The System Activity Reporter, or SAR tool, is a powerful monitoring tool in Linux that allows you to collect and analyze historical system performance data. It is part of the sysstat package and provides valuable insights into CPU usage, memory utilization, disk I/O, network traffic, and more. In this article, we’ll walk through how to […]
10
May
2024
Sudhanshu Shekhar
As an AlmaLinux server administrator, managing network ports is crucial for ensuring the security and smooth operation of your services. AlmaLinux comes with various firewall management tools, such as FirewallD, Iptables, and ConfigServer Security & Firewall (CSF). In this comprehensive guide, we’ll walk you through the steps to open and close ports using these firewall […]
07
May
2024
Sudhanshu Shekhar
AlmaLinux is a free and open source Linux distribution that provides a stable and secure platform for servers and workstations. It is a community-driven project that aims to fill the gap left by the discontinuation of CentOS. AlmaLinux 8 and 9 are based on Red Hat Enterprise Linux (RHEL) 8 and 9 respectively, ensuring binary […]
26
Apr
2024
Sudhanshu Shekhar
Virsh Useful Commands for Managing Virtual Machines Introduction Virsh is a powerful command-line utility for managing virtual machines (VMs) that are controlled by libvirt, the virtualization management library. It provides a wide range of commands to create, edit, monitor, and control VMs running on hypervisors like KVM, Xen, and more. In this blog post, we’ll […]
14
Sep
2021
BaseZap
One of the major drawback in using ploop filesystem in the virtualisation (Virtuozzo) is that the containers use more than actual use space. This keeps on increasing with time too. The space used by the container on the node disk is way more then actual data size inside container used. To reclaim the space, you […]
23
Aug
2021
BaseZap
This is a guide to know on how to check your current and past server load (cpu load) for debugging purpose. System Activity Reporter (SAR) is an important tool which is used by the system admins for this in order to find out server load along with status of various metrics at different interval of […]
08
Jul
2021
BaseZap
To add support of the fantastic tool wp-cli for all the users on the server, be it cyberpanel or cPanel or some other webhost panel you are using, you can use the following solution : Single Line code : wget -O /usr/local/bin/wp https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar; chmod +x /usr/local/bin/wp; touch /etc/profile.d/add_user_local_bin.sh; echo ‘PATH=$PATH:/usr/local/bin’ >> /etc/profile.d/add_user_local_bin.sh; Step by step […]
12
May
2021
Deepak
LVM is a tool first introduced in Fedora Linux for Logical Volume Management which allows useful feature likes allocating disks, striping, mirroring and resizing logical volumes. LVM reduces the tedious work of manual disk management on the servers and Linux systems. This guide will explain how we can create LVM using Striping I/O for more […]
12
Feb
2021
Deepak
Looking for steps to grow your KVM VM/Container’s partition after extending root OS size or extending ext2/3/4 and XFS root partition without LVM at runtime. Steps to extend root partition without LVM are quite easy and can be followed without going into many technical details. This guide will also help system admins who have increased […]
20
Nov
2020
Deepak
Rclone is a command-line program to manage files on cloud storage. It is a feature-rich program to easily manage remote files. Many cloud services are supported by rclone. This guide will take you through the basic commands of rclone. Rclone can be used both for uploading and downloading the files on cloud services. Features of […]
