Here are the best VPNs with free trials available today. They offer access to premium VPN features and let you test drive paid VPNs without purchasing a subscription.
Here are the best VPNs with free trials available today. They offer access to premium VPN features and let you test drive paid VPNs without purchasing a subscription.
The Issue We want to clean our system The Answer While there are many ways to do it, here is one simple way to do this – use bleachbit Install sudo apt install bleachbit Use sudo bleachbit OR bleachbit Now we can see APT, Bash, Deep scan, journald, System and their sub categories to clean […]
The post How to Clean our system/Release system resources/storage e.g. Cache/History/temporary file/cookies in Linux/Debian/Ubuntu/Kali Linux etc. appeared first on Blog-D without Nonsense.
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How to: Split large files/Merge files in Linux (Debian/Ubuntu/Kali Linux/CentOS/RHEL etc.)
Powerful Linux Interactive shell
How to: Find out/View hardware information via Command/Terminal from Linux/Debian/Ubuntu/CentOS etc.
How to: Test/Check Internet speed/Broadband speed/connection speed/LAN speed in Linux/Debian/Ubuntu/Kali Linux/RHEL/CentOS/Fedora from browser and terminal
How to: Monitor Power Usage/Consumption from Terminal/Command line in Linux/Debian/Ubuntu/Kali Linux/RHEL/CentOS/Fedora etc.
How to: Use rsync in Linux/Debian/Ubuntu/Kali Linux/CentOS/RHEL/Fedora etc. (and trailing slash in rsync)
How to: Use mtr (my traceroute) instead of ping, traceroute and dig/nslookup
How to: compare Files/Code/Folders/Images/Pictures – List of three Open source Comparing Software/Tools
How to: Find which process is causing high CPU usage Linux/Ubutu/Debian/Kali Linux/CentOS/RHEL
How to: Install VMware Tools in Linux
Learn about the potential vulnerabilities of VPNs and the measures you can take to enhance your VPN security.
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.
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How to audit Linux/Debian/Ubuntu/CentOS etc. with Lynis
How to Thoroughly check/exam crontab entries and other entries (& Why we should do so) during forensics/intrusion investigation/detection etc.
Understand how remote connection via nc (netcat) works
How to Check/Gather system information from Operating System in Terminal/Console/SSH in Linux/Debian/Ubuntu/Kali Linux/RedHat/Fedora/Rocky Linux etc.
How to transfer pcap from pfSense/Linux etc. to NetworkMiner via Pcap-over-IP
How to check/What to do if the Linux system/Linux server been hacked (How to manually detect/check intrusion on Linux systems) [Linux/Debian/Kali Linux/RedHat/Fedora/Rocky Linux etc.]
How to harden/protect SSH server using built-in options
How to: List all systemd timers
How to enumerate ports/hosts by using curl only
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.
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How to: Append trailing slash/forward slash at the end of folders/directories with “ls” results
How to: Split large files/Merge files in Linux (Debian/Ubuntu/Kali Linux/CentOS/RHEL etc.)
Quick Linux File Manipulation Commands Reference (and How to: Create Symbolic link/Soft link/Hard link)
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How to: Check/Change/Set/Modify Linux (Debian/Ubuntu/Kali Linux/CentOS) date/time/timezone etc. (and Calculate past/future date/time) in Terminal
Powerful Linux Interactive shell
Basic/Common Special symbols/Special characters in Linux
Simple usage of xargs, tr, head, tail commands
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.
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How to: Remove/Delete Warning: Permanently added ‘[xxxxxxxxxx]:xx’ (ECDSA) to the list of known hosts.
How to: Find/Show/List hidden directories/folders from Linux/Unix/Debian/Ubuntu/Kali Linux/RHEL/CentOS etc.
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How to: Download and Execute bash file/shell script with one command on Linux/Debian/Ubuntu/Kali Linux/RHEL/CentOS etc.
How to: Use mtr (my traceroute) instead of ping, traceroute and dig/nslookup
How to: Check if the system is using/running systemd
How to: Execute/run script on system start up/boot (Create the start up job from terminal)
How to: Check/Detect if Linux Server/System is compromised/hacked (Debian/Ubuntu/Kali Linux/CentOS/RHEL etc.)
How to Clear/Drop/Disable/Enable Swap, Buffer and in-RAM cache on Linux/Debian/Ubuntu/Kali Linux/CentOS/Fedora etc.
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.
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How to: Create a NFS Share on Windows Server 2019 and How to: Mount/Unmount NFS share on Linux/Debian/Ubuntu/CentOS/RHEL/Fedora etc.
How to: Download and Execute bash file/shell script with one command on Linux/Debian/Ubuntu/Kali Linux/RHEL/CentOS etc.
How to: Use mtr (my traceroute) instead of ping, traceroute and dig/nslookup
How to: Check if the system is using/running systemd
How to: Execute/run script on system start up/boot (Create the start up job from terminal)
How to: Check/Detect if Linux Server/System is compromised/hacked (Debian/Ubuntu/Kali Linux/CentOS/RHEL etc.)
How to Clear/Drop/Disable/Enable Swap, Buffer and in-RAM cache on Linux/Debian/Ubuntu/Kali Linux/CentOS/Fedora etc.
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 …
Continue reading “How to Change apt source/repository/mirror for Kali Linux (How to Fix Kali Linux can’t update, mirror issue)”
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.
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How to Fix Kali Linux apt update error “Traceback (most recent call last)…”
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How to Fix “E: Release file for http://http.kali.org/kali/dists/kali-rolling/InRelease is not valid yet (invalid for another Xd Xh Xmin Xs). Updates for this repository will not be applied.” in Kali Linux
Kali Linux apt upgrade Error – File has unexpected size
How to fix: pycurl is not installed. Try “pip install pycurl” in Kali Linux
How to: Upgrade Kali Linux & How to: Check Kali Linux current version
How to Use apt-get or apt with proxy on Linux/Debian/Ubuntu/Kali Linux/Proxmox VE (Use cache/proxy server to cache apt downloads) etc.
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How to: Change Grub boot background and Login background for Kali Linux
The old-school phone whistling is back!
Well, almost, but this audio below isn’t that far off.
On July 13th, we discovered an interesting vulnerability. A particular webpage was tracking digital radio chatter and it would display a running log of what its station was hearing.
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 …
Continue reading “How to Change/Sync time in Kali Linux automatically and manually”
The post How to Change/Sync time in Kali Linux automatically and manually appeared first on Blog-D without Nonsense.
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