Ubuntu remove SSH welcome message
When you login to an Ubuntu server using SSH, you get welcome message like On most Linux systems, this is generated by…
Linux
nmtui
nmtui allow you to configure network interface if you are using network manager. On Debian/Ubuntu, it is part of network-manager package apt…
Install Linux Kernel 5.0 on Ubuntu 18.04 LTS
Ubuntu 18.04 was released with Linux kernel 4.15 root@DUS-147022:~# hostnamectl Static hostname: DUS-147022.op-net.com Icon name: computer-desktop Chassis: desktop Machine ID: 1fcb383ac03e4299a3b994dca4c51a10 Boot…
ping: unknown host localhost
On a server, ping localhost did not work root@cloud1:~# ping localhost ping: unknown host localhost root@cloud1:~# /etc/hosts files was proper, had entry…
yum-config-manager
yum-config-manager allows you to manage yum repositories. To add a repo, run yum-config-manager –add-repo https://download.docker.com/linux/centos/docker-ce.repo Disable a repository yum-config-manager –disable rpmfusion-free-updates See…
Start MongoDB from command line
To start MongoDB from command line, run mongod –auth –dbpath /path/to/mongodb See MongoDB
Remote Desktop
Remote Desktop Software https://guacamole.apache.org Google Chome Remote Desktop https://rustdesk.com – Free Open source teamviewer alternative. Enable Remote Desktop Enable Remote Desktop in…
Ubuntu allow a normal user to edit WiFi Connection
When a normal user edit Wi-Fi connection on Wi-Fi Settings, they will be asked to enter administrator user pasword. To allow a…
Change Linux user shell
To change shell for a user, run chsh –shell PATH_TO_SHELL USERNAME Example chsh –shell /bin/bash okadmin I will add a user, if…
CentOS add IP Address
To add IP address on a Linux server, first find name of your network interface. This can be done with command ip…
gonit golang replacement for monit
gonit is a replacent for monitoring software monit. monit was removed from Debian 10 due to security issues and the devloper will…
Check if you are using 32 or 64 bit Linux
To identify if you are using 32 bit or 64 bit Linux OS, run command arch. boby@sok-01:~$ arch x86_64 boby@sok-01:~$ You can…