Delete Old Unused Kernels in Debian Rumi, June 17, 2022 To find out the current version of Linux kernel running on your system, use the following command. $ uname -sr Linux 4.12.0-041200-generic To list all installed kernels on your system, issue this command. $ dpkg -l | grep linux-image | awk ‘{print$2}’ linux-image-4.12.0-041200-generic linux-image-4.8.0-22-generic linux-image-extra-4.8.0-22-generic linux-image-generic Remove Old Unused Kernels… Continue Reading
Install Cacti 1.2 on Debian 11 Rumi, June 17, 2022 First, update the repository index. sudo apt update Install MariaDB Database Install MariaDB from Official MariaDB Mirror Update the repository index and install the required packages. sudo apt update sudo apt install -y software-properties-common dirmngr apt-transport-https wget curl Add signing key to your system. curl -fsSL https://mariadb.org/mariadb_release_signing_key.asc | sudo gpg… Continue Reading
Install VirtualBox legacy version 5.x on CentOS 7 Rumi, June 11, 2022 Install Dependencies Install Extra Packages for Enterprise Linux (EPEL) # sudo yum install epel-release wget -y Install Dynamic Kernel Module Support (DKMS) # sudo yum –enablerepo=epel install dkms -y This will install quite a few packages: Install Development Tools # sudo yum groupinstall “Development Tools” -y Continue Reading
How to Disable Network Manager on CentOS 7 Rumi, May 2, 2022 1. To disable the Network Manager service, perform the following steps: Disable Network Manager with the following commands: CentOS 6, CloudLinux 6, Red Hat Enterprise Linux 6 (RHEL), or Amazon Linux: service NetworkManager stop chkconfig NetworkManager off CentOS 7, CloudLinux 7, or RHEL 7: systemctl stop NetworkManager systemctl disable NetworkManager… Continue Reading
Reset Root Password on Ubuntu 20 Rumi, May 2, 2022 Step 1: Reboot your Ubuntu 20.04 LTS Operating System and load the GRUB menu by holding the Shift Key on Keyboard The first step is to start your computer machine and keep pressing the shift button on your keyboard until the GRUB menu appears, as shown in the picture below:… Continue Reading
Install and Setup ZFS on Debian 11 Rumi, April 16, 2022January 24, 2024 The full form of ZFS is Zettabyte File System. The ZFS filesystem is a 128-bit filesystem. The ZFS supported filesystem size is 3×10(to the poer 24) TB. You may never encounter such a big filesystem in real life. The ZFS filesystem was designed to keep and access an insane amount… Continue Reading
Fix ‘Another Update is Currently in Progress’ Error in WordPress Rumi, April 16, 2022 When you’re experiencing the another update in process error, you need to delete the ‘core_updater.lock’ file from your WordPress database. The easiest way to do this is by using phpMyAdmin. Note: Before you make changes to your database or WordPress theme files, it’s a good idea to create a full… Continue Reading
Upgrading WordPress Core Manually Rumi, April 14, 2022April 14, 2022 First create a full backup of your website. This is very important in case you make a mistake. Download the newest WordPress ZIP file from wordpress.org. Unzip the file into a directory on your local machine or in a separate directory on your website. Deactivate all of the plugins on… Continue Reading
Creating a Sudo User in Debian or Ubuntu Rumi, April 14, 2022 Creating a Debian Sudo User Creating a Debian sudo user involves a few simple steps. This procedure does not require you to edit the sudoers file. If you have an existing user that you want to grant sudo privileges, skip Step 2. Step 1: Log in as the Root User… Continue Reading
Add PHP 7.4 support on Virtualmin GPL on CentOS 7 Distribution Rumi, April 14, 2022 Install Remi Release repo and clear cache yum -y install https://rpms.remirepo.net/enterprise/remi-release-7.rpm && yum clean all Install PHP packages version 7.4 and/or 8.0 yum -y install php74-php-{cli,pdo,fpm,zip,gd,xml,mysqlnd,opcache,bcmath,imagick,mbstring} yum -y install php80-php-{cli,pdo,fpm,zip,gd,xml,mysqlnd,opcache,bcmath,imagick,mbstring} Configuring Individual Virtual Servers You can configure the PHP version being used for a specific Virtual Server by selecting Server Configuration… Continue Reading