Large file split and join in linux Rumi, July 19, 2021 Let’s assume we have a large file of 102 GB and named as “vzdump-lxc-103-2021_07_19-12_05_06.tar.lzo”. We’d like to split this large file into 10GB of partial file. Let’s apply the split command as below- split -b 102400M vzdump-lxc-103-2021_07_19-12_05_06.tar.lzo repo. Wait for a while, the execution continues, and once over, you’ll find… Continue Reading
Install MongoDB on CentOS 7 Rumi, July 17, 2021 Follow the steps below to install the latest stable version of MongoDB on your CentOS server : Enabling MongoDB repository To add the MongoDB repository to your system, open your text editor and create a new YUM repository configuration file named mongodb-org.repo inside the /etc/yum.repos.d/ directory: nano /etc/yum.repos.d/mongodb-org.repo [mongodb-org-4.0] name=MongoDB Repository baseurl=https://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/4.0/x86_64/ gpgcheck=1 enabled=1… Continue Reading
CentOS 7 XFS disk resizing Rumi, June 4, 2021 Couldn’t find any article that explained step by step how to resize the main disks volume in a CentOS 7 vm. In my example I started witha single disk of 8GB and expanded to 20GB. I have two partitions on disk sda sda1 type Linux for boot sda2 type Linux… Continue Reading
Proxmox Communication Failure (0) Cluster Node on WebGUI Rumi, May 21, 2021 Was getting “Communication Failure (0) Cluster Node” Applied the following command on the faulty node- pvecm updatecerts Continue Reading
Install Virtualbox 5.2/6.1 on Ubuntu 16 headless mode Rumi, May 21, 2021 Install Prerequisites Before installing VirtualBox 5.2/6.1, please install these packages below if your systems don’t already have them installed…. sudo apt update sudo apt-get install gcc make linux-headers-$(uname -r) dkms Add VirtualBox Repository If you want to always get the latest versions of VirtualBox when they become available, you’ll want… Continue Reading
How to remove Virtualbox extpack Rumi, May 19, 2021 The following commands show examples how to list extension packs and remove one: $ VBoxManage list extpacks Extension Packs: 1 Pack no. 0: Oracle Virtual Machine VirtualBox Extension Pack Version: 4.1.12 Revision: 77218 Edition: Description: USB 2.0 Host Controller, VirtualBox RDP, PXE ROM with E1000 support. VRDE Module: VBoxVRDP Usable:… Continue Reading
Install webmin on Centos 7 using Yum Rumi, May 15, 2021 Create and open this new file using your text editor: sudo vi /etc/yum.repos.d/webmin.repo Then add these lines to the file to define the new repository: nano /etc/yum.repos.d/webmin.repo [Webmin] name=Webmin Distribution Neutral #baseurl=http://download.webmin.com/download/yum mirrorlist=http://download.webmin.com/download/yum/mirrorlist enabled=1 Save the file and exit the editor. Continue Reading
Reset lost root password on Ubuntu 18.04/20.x Rumi, May 15, 2021 Boot Into GRUB menu The first step is to reboot into the GRUB menu. If Ubuntu 18.04 Bionic Beaver is the only operating system installed you need to keep pressing SHIFT for the GRUB menu to show up. Continue Reading
Softether Auto Installer on CentOS/Debian/Ubuntu (Backward compatible edition) Rumi, April 17, 2021 Softether Auto Install Script for multi platforms updated version Softether VPN server latest version v4.27-9666-beta-2018.04.21 Revised to last known stable version due to compilation error from their latest release An open source VPN project from University of Tsukuba Japan Centos 6 or 7 x64 Debian 8 (jessie) (Not compatible for… Continue Reading
Install LAMP with PHP-FPM on Ubuntu 20 Rumi, April 4, 2021 Step 1 – Installing Apache Apache web server debian packages are available under the default repositories. Login to your Ubuntu system with sudo privileges account. Open a terminal and execute the following commands: sudo apt update sudo apt install apache2 libapache2-mod-fcgid The above commands will install Apache and FastCGI module… Continue Reading