Linux ip Command Examples nixCraft Updated Tutorials/Posts
I am a new Linux system admin user. How do I use ip command line utility…
sudo: Sorry, you must have a tty to run sudo Error on a Linux and Unix nixCraft Updated Tutorials/Posts
I‘m trying to run the following command:ssh user@box.example.com sudo command1 /path/to/fileBut, an error is displayed follows:…
Empty or Delete a log files in Linux or UNIX nixCraft Updated Tutorials/Posts
My web server’s log file size is quite huge or large. How do I delete a…
How do I know if my Linux is 32 bit or 64 bit? nixCraft
I need to find out if my Linux server is running on 32-bit or 64-bit system….
FreeBSD wget cannot verify certificate, issued by Let’s Encrypt nixCraft
I installed GNU wget utility on FreeBSD as explained here. However, whenever I use the wget…
How to update LXD container Ubuntu image from 16.04 to 18.04 nixCraft
I run my app inside Ubuntu Linux 16.04 LTS lxd Linux container. To upgrade Ubuntu 16.04…
How to check RAID configuration in Linux nixCraft
I need to check RAID configuration in Linux. How do you check your current software RAID…
How to secure Apache with Let’s Encrypt Certificates on RHEL 8 nixCraft
I read that Let’s Encrypt is a free, automated, and open certificate for web server and…
How To Install Linux, Apache, MySQL, PHP (LAMP) stack On RHEL 8 nixCraft
How do I set up a LAMP stack on RHEL 8 cloud server or VPS or…
Linux / UNIX: Check If File Is Empty Or Not Using Shell Script nixCraft Updated Tutorials/Posts
How do I check if a file is empty or not using bash or ksh shell…
How to install Nvidia driver on CentOS 7 Linux nixCraft
I am a new CentOS 7 Linux desktop user. I need to use Nvidia software for…
How to setup a UFW firewall on Ubuntu 16.04 LTS server nixCraft Updated Tutorials/Posts
How do I setup a firewall with UFW (uncomplicated firewall) on an Ubuntu Linux 16.04 LTS…
How to install wget on RHEL 8 using the dnf command nixCraft Updated Tutorials/Posts
I am a new Red Hat Enterprise Linux (RHEL) 8 user. How do I install wget…
Microsoft is building Edge on top of Chromium (open source version of Google Chrome) nixCraft
It is official now. Microsoft is throwing away old code base of Edge browser and making…
Bash get exit code of command on a Linux / Unix nixCraft
I am a new Linux system user. How do I get the exit code of a…
How to set up a firewall using FirewallD on RHEL 8 nixCraft
I am a new Red Hat Enterprise Linux sysadmin. How do I set up a firewall…
FreeBSD Install wget Utility To Download Files From Internet nixCraft Updated Tutorials/Posts
How do I install wget the non-interactive network downloader under FreeBSD operating systems? How do I…
How to install and setup PostgreSQL on RHEL 8 nixCraft
How do I install PostgreSQL relational database management on RHEL 8 using the command line? How…
Define ssh key per host using ansible_ssh_private_key_file nixCraft
I set up SSH keys on a Linux or Unix as per my project needs and…
How To Install MariaDB on RHEL 8 nixCraft
I am a new MariaDB and RHEL 8 user. How do I install MariaDB on RHEL…
Multiple vulnerabilities in FreeBSD NFS server code nixCraft
FreeBSD is a free and open source operating system. The NFS (Network File System) is a…