Security Onion VS Kali Linux They provide Security Onion Certified Professional (SOCP). The SOCP exam validates that you have the knowledge and skills to properly investigate alerts, hunt for adversaries, and manage your Security Onion 2 grid. This exam tests your knowledge in the following five domains, Design and Architecture, Grid Management, Grid Monitoring and […] The post When to use Security Onion Linux Distro (Why not Kali Linux?) appeared first on Blog-D without Nonsense. Related posts: How to: Check/Detect if Linux Server/System is compromised/hacked (Debian/Ubuntu/Kali Linux/CentOS ..read more

Related Question How to test if UDP port is open The Issue Sometimes we want to UDP ping to test network/UDP etc. The Answer 1 UDP ping using nping 1.1 Install nmap sudo apt install nmap 1.2 UDP ping nping --udp -p [PORT] [IP_OR_Hostname] e.g. nping --udp -p 53 10.0.0.1 2 UDP ping using hping3 […] The post How to do UDP ping in Linux/Debian/Ubuntu/Kali Linux etc. appeared first on Blog-D without Nonsense. Related posts: Different ways to search in Linux/Debian/Ubuntu/Kali Linux/CentOS/RHEL etc. How to: Run/Execute command as the given/specific user in Linux/Debian/Ubuntu/Kali Linux/RHEL/CentO ..read more

The Issue We get the error “WARNING: setlocale(‘en_US.UTF-8’) failed, using locale: ‘C’. International characters may not work.” The Fix 1 Use the command to set correct locale for the system dpkg-reconfigure locales OR sudo dpkg-reconfigure locales 2 Select desired language end with .UTF-8 or en_US.UTF-8 if unsure 3 Log out and back in again 4 […] The post How to Fix “WARNING: setlocale(‘en_US.UTF-8’) failed, using locale: ‘C’. International characters may not work.” on Debian/Ubuntu/Kali Linux etc. appeared first on Blog-D without Nonsense. Related posts: Quick Linux File Manipulation Comma ..read more

The Issue The Fix 1 Use the command to set the system locale variable correctly dpkg-reconfigure locales OR sudo dpkg-reconfigure locales 2 Select the correct one end with .UTF-8 or en_US.UTF-8 if unsure 3 Log out and back in again 4 Now nano should display none ASCII characters fine The post How to Fix nano editor not displaying UTF8 characters correctly on Debian/Ubuntu/Kali Linux etc. appeared first on Blog-D without Nonsense. Related posts: Quick Linux File Manipulation Commands Reference (and How to: Create Symbolic link/Soft link/Hard link) How to: Remove/Delete Warning: Permanently add ..read more

The Issue Sometimes when trying to do apt update, apt upgrade, we get error like SRV records for xx.xxx.xxx indicate that https service is not available at this domainReading pacakage lists … Done The Fix We can check the mirror list then find the best one or just use one we prefer, then replace the … The post How to Change apt source/repository/mirror for Kali Linux (How to Fix Kali Linux can’t update, mirror issue) appeared first on Blog-D without Nonsense. Related posts: How to Fix Kali Linux apt update error “Traceback (most recent call last)…” How to: Fix Ubuntu apt upgrade -> 404 Not ..read more

1 Check current timezone detail timedatectl 2 List available timesonzes timedatectl list-timezones 3 Set/Change timezone if necessary sudo timedatectl set-timezone America/New_York 4 Check time settings again timedatectl 5 Enable/Disable time synchronization sudo timedatectl set-ntp on OR sudo timedatectl set-ntp off Note: If the time sync command does not work, remove the ntp package sudo apt … The post How to Change/Sync time in Kali Linux automatically and manually appeared first on Blog-D without Nonsense. Related posts: How to: Check/Detect if Linux Server/System is compromised/hacked (D ..read more

The Issue When trying to change/modify time of the system using timedatectl command, we get the error Failed to set time: Automatic time synchronization is enabled The Fix This is due to automatic time syncing is enabled on the system. We can follow this guide to temporarily disable the auto sync then try to change … The post How to Fix Error “Failed to set time: Automatic time synchronization is enabled” on Debian/Ubuntu/Kali Linux etc. systems running with timedatectl appeared first on Blog-D without Nonsense. Related posts: How to: Create a NFS Share on Windows Server 2019 and How to: Moun ..read more

The Issue We want to check/show current configuration of a package on Debian/Ubuntu/Kali Linux distros We want to reconfigure a package on Debian/Ubuntu/Kali Linux distros The Answer 1 Show current configuration of a package on Debian/Ubuntu/Kali Linux etc. 1.1 Bring up terminal window or login to via SSH/console 1.2 e.g. To show current configuration (Values/Parameters) … The post How to Show current configuration of a package. How to reconfigure a package. on Linux/Debian/Ubuntu/Kali Linux etc. appeared first on Blog-D without Nonsense. Related posts: How to: Create a NFS Share on Windows S ..read more

The Issue Whey trying to update the system, we get the error “Error 24 : Write error : cannot write compressed block” The Fix While there can be many possible causes and fixes, here is a quick fix to try. 1 Execute below command to free up some space from the /boot partition/disk or the … The post How to Fix Debian/Ubuntu/Kali Linux etc. “Error 24 : Write error : cannot write compressed block” While updating the system appeared first on Blog-D without Nonsense. Related posts: How to: Run/Execute command as the given/specific user in Linux/Debian/Ubuntu/Kali Linux/RHEL/CentOS etc. in Terminal ..read more

ngrok is an reverse proxy, which creates a secure tunnel between local server/services and the public node. 1 Register an account at ngrok: ngrok.com 2 Download ngrok from the website 3 Execute ngrok and enter the authtoken e.g. my-secret-token ./ngrok authtoken my-secret-token Example To reverse proxy our port 80 (http), so that externally available domain … The post How to: Quickly deploy ngrok on Kali Linux (Linux/Debian/Ubuntu/CentOS/RHEL etc.) (Quick Guide with less details) appeared first on Blog-D without Nonsense. Related posts: How to: Use rsync in Linux/Debian/Ubuntu/Kali Linux/Cent ..read more