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AIDE Filesystem Integrity Checking Installation and Configuration on Ubuntu Linux

by Free Linux
2 min read
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AIDE or Advanced Intrusion Detection Environment, is a file integrity checking tool and can detect unauthorized changes to configuration files . It is quite similar to Tripwire. It  will  take snapshot of filesystem state which...

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Configure Automatic Software Updates on Ubuntu Linux

by Free Linux
3 min read
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It is recommended that a patch management system is maintained and configured. Verify that the system’s package repositories are configured. sudo apt-cache policy Sample Output: tux@freelinux:~$ sudo apt-cache policy...

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Ubuntu Linux Recommended Filesystem Configuration

by Free Linux
3 min read
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Here’s the following recommendation for filesystem and directories configuration. It will be easier to do it during the initial OS installation but if need to repartition the existing system, it is recommended that full...

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Nftables Recommended Configuration on Redhat or CentOS Linux

by Free Linux
4 min read
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Nftables is the replacement for iptables, ebtables and arptables. It is a subsystem of Linux kernel providing filtering and classification of network packets,datagrams or frames. Some key things to consider: 1.Installation: dnf...

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Ip6tables Firewall Recommended Configuration on Redhat or CentOS Linux

by Free Linux
2 min read
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Ip6tables is a firewall utility that uses policy chains to allow or block traffic.  It can configure IPv6 tables, chains or rules provided by the Linux kernel firewall. Some key things to consider: 1. Installation: (When...

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Iptables Firewall Recommended Configuration on Redhat or CentOS Linux

by Free Linux
2 min read
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Iptables is a firewall utility that uses policy chains to allow or block traffic.  It can configure IPv4 tables, chains or rules provided by the Linux kernel firewall. Some key things to consider: 1. Installation: dnf install...

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Uncomplicated Firewall (UFW) Recommended Configuration on Redhat or CentOS Linux

by Free Linux
3 min read
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Uncomplicated Firewall (UFW) -frontend for iptables and is a program for managing a netfilter firewall. Some key things to consider: 1. Installation: dnf install epel-release -y dnf install ufw -y 2. Verify if ufw is...

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Top 20 Recommended SSH Configuration on Redhat or CentOS Linux

by Free Linux
4 min read
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Secure Shell or SSH is a cryptographic network protocol used to securely log or access to remote systems. The most popular tool is the OpenSSH which provides a large suite of secure tunneling capabilities and different...

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Auditd Recommended Configuration on Redhat or CentOS Linux for System Auditing

by Free Linux
7 min read
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Here’s how to install the program “auditd” and best security practice and  recommended settings for system auditing. 1.Install the auditd a. Verify if the package is installed or not, using the rpm...

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Top 3 Service Clients to remove for Securing Redhat or CentOS Linux

by Free Linux
2 min read
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As part of Best Security Practices, it is recommended to remove service clients that are not required for normal operation to reduce local attack. Here are the following programs or clients that need to remove. (Not in particular...

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Also included some permission issue fix if happen you encountered
Make your taskbar transparent using "dconf-editor" Make your taskbar transparent using "dconf-editor"
$sudo apt install dconf-editor
Run:
$dconf-editor
org->gnome->shell->extensions->dash-to-dock->transparency-mode
make Custom Value: FIXED
org->gnome->shell->extensions->dash-to-dock->background-opacity
make Custom Value: 0.3(or 0.299)
Hit apply
#ubuntu #linux #transparent #taskbar
Manage to connect my Presonus Eris speakers via Bl Manage to connect my Presonus Eris speakers via Bluetooth to my old Ubuntu Linux desktop.It's a bit challenging, especially if your BT adapter is unbranded. Linux kernel needs to be patched to support 
https://freelinuxtutorials.com/top-10-commands-to-troubleshoot-bluetooth-usb-adapter-on-linux/
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