NETSEC: Linux

Showing posts with label Linux. Show all posts

Sunday, April 30, 2023

[Free VPS] Learning Unix By Access This Public Free Unix Server (Running Since 1987)

Netsec 4/30/2023 0 Comments

Super Dimension Fortress (SDF, also known as freeshell.org) is a non-profit public access UNIX shell provider on the Internet. It has been i...

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Saturday, January 14, 2023

Linux

Change Microsoft Surface Pro OS to *NIX: Wifi/Bluetooth/TouchScreen/Battery Status (No Camera) Or LTSC

Netsec 1/14/2023 0 Comments

This post is used to record the steps how I changed my Surface Pro from Windows to those ChromeOS like systems. The Surface Pro 7 original O...

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Monday, February 21, 2022

Linux

Using netboot.xyz to Install Linux System on Oracle Free Tier Machine (x86, ARM)

Netsec 2/21/2022 0 Comments

This post is to sum up the steps using netboot.xyz package to install Linux system into Oracle Free Tier machine, either x86 or ARM architec...

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Saturday, February 12, 2022

Linux

Use FRP (Fast Reverse Proxy) to Improve Windows MSTSC Access Ubuntu xRDP Experience

Netsec 2/12/2022 0 Comments

Windows RDP program MSTSC has a compatibility issue with xRDP application in Linux. Based on our testing with previous posts : Install xRDP...

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Sunday, February 6, 2022

Linux

DD Original Ubuntu Image to Oracle ARM VM and Install Lxde desktop and xRDP with Sound Forwarding

Netsec 2/06/2022 0 Comments

Oracle Cloud provides free tier ARM machines which you can have maximum 4 Core OCPU and 24G RAM to use. There are lots of usage for this gen...

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Friday, February 4, 2022

Linux

Install xRDP with Ubuntu Desktop on Oracle ARM VM ( xRDP Sound Support)

Netsec 2/04/2022 5 Comments

Remote Desktop Protocol allows users to access remote systems desktop. The XRDP service provides you a graphical login to the remote machine...

Wednesday, February 10, 2021

Linux

Using SSMTP to Send Email From Linux Command Line Through Gmail Account

Netsec 2/10/2021 0 Comments

Ssmtp (Simple SMTP) is a little nice tool you can use under Linux command line to send out email. SSMTP allows users to transfer emails thro...

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Sunday, February 7, 2021

Linux

Linux Tips and Tricks

Netsec 2/07/2021 0 Comments

This post is to summarize some interesting but special usage which is out of normal linux commands. For basic Linux commands, you can find i...

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Saturday, January 23, 2021

Linux

Change SWAP Size to Improve Low Memory Cloud VM Reliability

Netsec 1/23/2021 0 Comments

I am having a couple of low memory vm in the cloud to run some basic testing lab. It always gets me a notification for the performance , esp...

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Friday, November 13, 2020

Linux

Installing and Using X2Go to Remote Desktop Log Into Linux Server

Netsec 11/13/2020 0 Comments

X2Go is an open-source remote desktop software for Linux distributions. It provides a secure, smooth and speedy connection even with slow in...

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Monday, September 7, 2020

Linux

Install MySQL 8 on Linux and Create a New DB & Populate DB with Sensitive Records

Netsec 9/07/2020 0 Comments

This post is to summarize the steps to install MySQL DB on CentOS/Ubuntu and illustrate how to generate the db data then populate them into ...

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Sunday, July 5, 2020

Linux

CentOS Basic Installation, Configuration & Software Installation (Docker, Vsftp, Samba, etc)

Netsec 7/05/2020 0 Comments

The CentOS ( Community Enterprise Operating System) Project is a community-driven free software effort focused on delivering a robust ope...

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Tuesday, June 23, 2020

Linux

Install / Configure Xfce and VNC Server on CentOS7

Netsec 6/23/2020 0 Comments

xRDP protocol is a bit slow to connect based on my previous testing. This time, I am trying to use VNC protocol to do connection, which has ...

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Linux

Enable Linux Password Authentication on Cloud Linux VPS

Netsec 6/23/2020 0 Comments

Most Cloud Providers do not allow you to log in directly using Password. It will ask you to use public/private key to log in. This post is u...

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Saturday, June 20, 2020

Linux

Install and Configure ngx_lua_waf Based on Nginx+Lua ( OpenResty)

Netsec 6/20/2020 0 Comments

Ngx_lua_waf is a web application firewall based on lua-nginx-module. Prevent SQL injection, local inclusion, partial overflow, fuzzing, x...

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Tuesday, May 12, 2020

Linux

Set Up Let's Encrypt Certs with Nginx Server Using CertBot

Netsec 5/12/2020 0 Comments

Certbot website has explained very well all steps for most of linux OS and situation. You wont get wrong as long as you read the steps caref...

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Friday, May 8, 2020

Linux

Change Linux SSH Port from 22 to 2222

Netsec 5/08/2020 0 Comments

The default SSH port on all Operating Systems is port 22. For security measures, it is recommended to use other port instead, such as 2222, ...

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Thursday, April 16, 2020

Linux

CentOS Change Kernel

Netsec 4/16/2020 0 Comments

Check Network Interface information: ip a ip l nmcli d nmtui Download replacement kernel The CentOS6 kernel is replaced with: 2...

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Linux

Change Linux CentOS Ethernet Interface Name to Default eth0

Netsec 4/16/2020 0 Comments

Check Network Interface information: ip a ip l nmcli d nmtui Disable Consistent Interface Device Naming To regain the ethX back, e...

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Linux

Useful Linux Network Analysis/Monitoring/Backup Shell Scripts Collection

Netsec 4/16/2020 0 Comments

Some Scripts to help linux operation: Speedtest script IP Quality Check Network Traffic Analysis Script VPS Backup Script and ftp Up...

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Saturday, January 23, 2021

Friday, November 13, 2020

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