Network-arkiv - Curly Braces

Setting Up a Mail Server with Postfix: A Step-by-Step Guide

Posted on October 1, 2024 by Peter Andersson

When setting up a mail server on Linux, Postfix is one of the most popular choices for a mail transfer agent (MTA). Whether you’re sending […]

bash, Development, Linux, Network

SSH – Secure Shell Tips and Tricks in 2023

Posted on March 9, 2023 by Peter Andersson

What you need to know There are several benefits of using SSH (Secure Shell) for remote access and file transfer: Overall, SSH is a powerful […]

bash, Development, Linux, Network

Running a Python Flask application under Apache

Posted on August 15, 2022 by Peter Andersson

When developing a Flask application, you normally run it from the terminal using flask run or in the code app.run() But when the app is […]

Apache, Development, Linux, Network, Python

Howto setup a Python Flask application as a system service on Linux

Posted on June 9, 2022 by Peter Andersson

With Flask you can have your backend coded in minutes, and with for example a Linode server you can get a $10/month-server up and running […]

bash, Development, Linux, Network, Python

Writing a websocket server using Ruby

Posted on November 27, 2019 by Peter Andersson

I just found this amazing article about the finer details of Websockets, and how to implement a WS server using Ruby. I just had to […]

Development, Network, Ruby

Updating dyndns automatically from Linux

Posted on May 2, 2019 by Peter Andersson

If you have an account at the eminent service dyndns.com, you can update it automatically from your host by using this method: Start by installing […]

Development, Network

Slack shortcuts and commands

Posted on April 12, 2019 by Peter Andersson

I can’t stand long articles so here’s a short bullet list: Searching in:channelname, in:name, from:username, from:me, has:link, has:star, has:emojiname, before, after, on, during Commands /remind […]

Development, Network

Setting up Apache with Letsencrypt certificates

Posted on March 25, 2019 by Peter Andersson

Since you need a domain name, and I almost always use dynamic domain services, I recommend setting up ddclient so that the dynamic DNS is […]

Apache, Development, Linux, Network

No thank you!

Posted on March 12, 2019 by Peter Andersson

Putting a server on the internet is today similar to walking alone at night in a part of the city you know nothing about, where […]

Development, Linux, Network

Administrate your Linux system using your web browser

Posted on December 13, 2018 by Peter Andersson

Linux is great, but granted, sometime it can feel a little complicated. Installing and configuring software always start with a Google: “howto install XXX Ubuntu […]

Linux, Network

Mounting a SMB Disk from a Linux Terminal

Posted on April 30, 2018 by Peter Andersson

(since I always forget the username part) mkdir MyDir sudo mount -t cifs -o username=myusername,password=mysecretpass //<ip-address>/SHARE MyDir/ Reference: https://access.redhat.com/solutions/448263

Linux, Network

Useful Linux commands

Posted on April 3, 2018 by Peter Andersson

Note: All commands must be prefixed with “sudo” in case your user account doesn’t have enough privileges. System $ uname -a Displays Linux system information […]

Development, Linux, Network

Can´t get Gigabit connection?

Posted on March 26, 2018 by Peter Andersson

Do you get 100Mbps link speed when you expected Gigabit? In my experience, it´s always the cable to blame, 9 times out of ten. The […]

Network

Sending mail from Ubuntu 16.04

Posted on March 20, 2018 by Peter Andersson

This worked for me: https://askubuntu.com/questions/522431/how-to-send-an-email-using-command-line With CERT fixes from here: https://stackoverflow.com/questions/39341137/postfix-must-issue-a-starttls-command-first

Linux, Network

Setting up MYSQL, Apache2 and WordPress

Posted on February 26, 2018 by Peter Andersson

MySQL/MariaDB Remember to change bind-address to 0.0.0.0. By default it is set to 127.0.0.1 and then you can’t connect remotely! Exactly which config file it […]

Apache, Development, Linux, MySQL, Network, Wordpress

SSH Login without password

Posted on February 24, 2018 by Peter Andersson

http://www.linuxproblem.org/art_9.html Basically you add the content of your own ~/.ssh/id_rsa.pub to the targets ~/.ssh/authorized_keys file. (Replace ‘a’ with your username, A with your hostname or […]

Development, Linux, Network

Setting up Samba on Ubuntu

Posted on February 23, 2018 by Peter Andersson

First of all, check the documentation: https://wiki.samba.org/index.php/Setting_up_Samba_as_a_Standalone_Server then go ahead: sudo apt-get install samba decide which LINUX user should be used (or create a new). […]

Linux, Network, Samba

Running a script “later”

Posted on February 5, 2018 by Peter Andersson

You know how it is, you need to download a 3GB install kit, but don’t want to disturb the missuz by clogging all the bandwidth. […]

Development, Linux, Network, Ruby on Rails

Swedish VPS providers

Posted on January 1, 2018 by Peter Andersson

Huvudsakligen från https://sulo.se/2011/02/24/svenska-vps-leverantorer-en-prisjamforelse/ https://www.fsdata.se/server/vps http://www.glesys.se/vps.php https://www.oderland.se/tjanster/cloudvps/ http://www.patrikweb.net/content/section/24/51/ http://www.ipeer.se/linux-vps.php https://www.crystone.se/vps http://www.surftown.se/vps/priser http://www.space2u.com/vps.php http://www.itstaden.se/Serverdrift/Virtuell+Server.html Virtuell Privat Server http://www.internetverket.se/premium-vps Molntjänster http://www.adminor.net/vps http://www.securehosting.se/index.php/virtual-servers http://foretag.netit.se/?page_id=564 http://acon.se/tjanster/virtuell-server/ https://www.dalnix.se/tjanster/

Docker, Heroku, Network