uncleflo

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Some cool dude. Higher order of decision making. Absolute.

Registered since September 28th, 2017

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daemon/examples at master · takama/daemon · GitHub

https://github.com/takama/daemon/tree/master/examples

Saved by uncleflo on January 4th, 2019.

Go Daemon: A daemon package for use with Go (golang) services with no dependencies.

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users - How do daemons work? - Unix & Linux Stack Exchange

https://unix.stackexchange.com/questions/108502/how-do-daemons-work

Saved by uncleflo on January 4th, 2019.

If a user wants to execute a command, he has to first log in into a system. But some users in the system have /bin/false or /sbin/nologin set as a default shell in the /etc/password file. If I change /bin/bash to /bin/false in case of my user, I won't be able to log in into the system, so I also won't be able to run commands. But the shellless users do it anyway: How can a user without a shell execute a command? In POSIX, every running process has three User IDs (UIDs) associated with it; the real UID, which identifies the user who launched the process, the effective UID, which is used to determine what resources the process can access, and the saved Set-User-ID (SUID), which is the effective UID the process had when it started (at the point of the last exec() call). Of these, the effective UID is the most significant, since it is the one used when determining access control decisions regarding the process.

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GraspingTech | How to Mount an NFS Share Using a Windows 10 Machine

https://graspingtech.com/mount-nfs-share-windows-10/

Saved by uncleflo on January 3rd, 2019.

Mounting an NFS (Network File System) share using a Unix-like operating system is pretty straight forward. But how do you mount an NFS share of a UNIX system from a Windows 10 machine? Keep reading to find out how. With that said let’s install the Services for NFS feature and mount an NFS share. The first thing we need to do is install the NFS Client which can be done by following the steps below: With the default options you will only have read permissions when mounting a UNIX share using the anonymous user. We can give the anonymous user write permissions by changing the UID and GID that it uses to mount the share.

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How to access files on Synology NAS within the local network (NFS)

https://www.synology.com/en-uk/knowledgebase/DSM/tutorial/File_Sharing/How_to_access_files_on_Synology_NAS_within_the_local_network_NFS

Saved by uncleflo on December 23rd, 2018.

Synology NAS is designed to make storing and sharing files within your local network quick and simple, allowing you to directly access shared folders and files on the Synology NAS without going through the hassle of logging into DSM everytime. You will be able to access files on your Synology NAS with NFS just like other network devices. This article guides you through the steps of using your Linux computer to access your Synology NAS within the local network.

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You Want A Beautiful OS? Try Elive

https://www.maketecheasier.com/you-want-a-beautiful-os-try-elive/

Saved by uncleflo on November 28th, 2018.

What do you get when you put a stable operating system, an innovative desktop manager and plenty of eye candies together? You get nothing short of a beautiful and functional OS. Elive is a Debian-based Linux distro, customized with Enlightenment e17 desktop manager. It is designed with the aim of providing a stable, fully functional and beautiful operating system that can run with minimal hardware requirement. The current stable version is based on Debian-etch while the version that is under development is based on the recently released Lenny. Knowing the stability and versatility of Debian and the elegant and simplicity of Enlightenment, there are little things that Elive can go wrong.

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How to access files on Synology NAS with WebDAV

https://www.synology.com/en-global/knowledgebase/DSM/tutorial/File_Sharing/How_to_access_files_on_Synology_NAS_with_WebDAV

Saved by uncleflo on October 26th, 2018.

WebDAV is an extension of HTTP designed to let users edit and manage files stored on remote servers. With Synology DiskStation Manager's WebDAV service, client programs that support WebDAV, such as Windows Explorer, Mac OS Finder, Linux File Browser, will be able to remotely access a Synology NAS just like accessing a local network drive. This tutorial will explain how to enable WebDAV on your Synology NAS and start accessing files from anywhere.

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OBS Studio

https://obsproject.com/

Saved by uncleflo on October 8th, 2018.

Free and open source software for video recording and live streaming. Download and start streaming quickly and easily on Windows, Mac or Linux. Create Professional Productions. OBS Studio is equipped with a powerful API, enabling plugins and scripts to provide further customization and functionality specific to your needs. Utilize native plugins for high performance integrations or scripts written with Lua or Python that interface with existing sources. Work with developers in the streaming community to get the features you need with endless possibilities. Browse or submit your own in the Resources section.

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UTF-8 all the way through

https://stackoverflow.com/questions/279170/utf-8-all-the-way-through?rq=1

Saved by uncleflo on May 9th, 2018.

I'm setting up a new server, and want to support UTF-8 fully in my web application. I have tried in the past on existing servers and always seem to end up having to fall back to ISO-8859-1. Where exactly do I need to set the encoding/charsets? I'm aware that I need to configure Apache, MySQL and PHP to do this - is there some standard checklist I can follow, or perhaps troubleshoot where the mismatches occur? This is for a new Linux server, running MySQL 5, PHP 5 and Apache 2.

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What is MariaDB Galera Cluster?

https://mariadb.com/kb/en/library/what-is-mariadb-galera-cluster/

Saved by uncleflo on March 23rd, 2018.

MariaDB Galera Cluster is a synchronous multi-master cluster for MariaDB. It is available on Linux only, and only supports the XtraDB/InnoDB storage engines (although there is experimental support for MyISAM - see the wsrep_replicate_myisam system variable). Starting with MariaDB 10.1, the wsrep API for Galera Cluster is included by default. This is available as a separate download for MariaDB 10.0 and MariaDB 5.5.

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Running MySQL *.sql files in PHP Ask Question

https://stackoverflow.com/questions/4027769/running-mysql-sql-files-in-php

Saved by uncleflo on February 15th, 2018.

I have two *.sql files that I use when creating a new web site database. The first file creates all the tables. The second file populates some default records. I would like to execute these files from PHP. I also use the Zend_Framework, if that will help accomplish this? Answer: This question comes up from time to time. There's no good solution for running a .sql script directly from PHP. There are edge cases where statements common in a .sql script can't be executed as SQL statements. For example, the mysql tool has builtin commands that are not recognized by the MySQL Server, e.g. CONNECT, USE, and DELIMITER.

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HAProxy

http://www.haproxy.org/

Saved by uncleflo on December 27th, 2017.

HAProxy is a free, very fast and reliable solution offering high availability, load balancing, and proxying for TCP and HTTP-based applications. It is particularly suited for very high traffic web sites and powers quite a number of the world's most visited ones. Over the years it has become the de-facto standard opensource load balancer, is now shipped with most mainstream Linux distributions, and is often deployed by default in cloud platforms. Since it does not advertise itself, we only know it's used when the admins report it :-) Its mode of operation makes its integration into existing architectures very easy and riskless, while still offering the possibility not to expose fragile web servers to the net. Each version brought its set of features on top of the previous one. Upwards compatibility is a very important aspect of HAProxy, and even version 1.5 is able to run with configurations made for version 1.0 13 years before. Version 1.6 dropped a few long-deprecated keywords and suggests alternatives. The most differenciating features of each version are listed below :

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Running Docker in Production: three use cases and the good, the bad and the ugly

http://blog.kontena.io/docker-in-production-good-bad-ugly/

Saved by uncleflo on December 27th, 2017.

At the first Docker Helsinki Meetup for 2017 on January 17th, we heard about three interesting use cases of the ins and outs of how Docker is used in production at Solita, Zalando and Pipedrive. We also heard about the good, the bad and the ugly of running Docker in production. Solita's Use Case: Firstly, Heikki Simperi from Solita explained how his company uses Docker to handle the various apps and systems associated with their management of the Finnish National Railway Service (VR), as well as the problems they've run into when using Docker. Solita runs a variety of their own apps on Docker, including a navigator for train drivers, a construction notification system and a traffic controller app. Heikki reiterated that it's important for the downtime to be minimal when the apps involved are ones responsible for railway management and that "anything over a 3-5 min downtime causes delays for trains, but nobody dies". Most of the issues they experienced using Docker were related to building an image, having a private repository, removing or starting up a container, or a bug inside an app. Overall, the running usage of the Docker platform has been stable, with "zero downtime". The problems have lessened after upgrading to each new Docker version and they are experiencing less and less problems as time goes on. They are looking forward to the release of Docker 1.12 on a stable channel from Red Hat.

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Node.js Downloads

https://nodejs.org/en/download/

Saved by uncleflo on December 27th, 2017.

Download the Node.js source code or a pre-built installer for your platform, and start developing today.

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DiskStation Manager: Active Backup for Server

https://www.synology.com/en-global/knowledgebase/DSM/help/ActiveBackup/activebackup

Saved by uncleflo on December 27th, 2017.

Active Backup for Server is a package specially designed to centralize data backup for Windows and Linux servers. It provides a unified monitoring interface and a consistent setup experience for all your backup tasks from different sources. What's more, source servers do not require additional installation of backup agents.

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A safe home for all your data

https://nextcloud.com/

Saved by uncleflo on June 27th, 2017.

Access, share and protect your files, calendars, contacts, communication & more at home and in your enterprise. Access everything with the tools you are already using, regardless of the device or platform you are on. Pictures, videos, documents, contacts, communications - they are all available right where you need them whether they are coming from your local storage or remote cloud services.

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How To Use Netcat to Establish and Test TCP and UDP Connections on a VPS

https://www.digitalocean.com/community/tutorials/how-to-use-netcat-to-establish-and-test-tcp-and-udp-connections-on-a-vps

Saved by uncleflo on June 27th, 2017.

Linux is known for having a great number of mature, useful command line utilities available out of the box in most distributions. Skilled system administrators can do much of their work using the built-in tools without having to install additional software. In this guide, we will discuss how to use the netcat utility. Often referred to as a Swiss army knife of networking tools, this versatile command can assist you in monitoring, testing, and sending data across network connections. We will be exploring this on an Ubuntu 12.04 VPS, but netcat should be available on almost any modern Linux distribution. Ubuntu ships with the BSD variant of netcat, and this is what we will be using in this guide. Other versions may operate differently or provide other options.

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Netcat – a couple of useful examples

https://www.g-loaded.eu/2006/11/06/netcat-a-couple-of-useful-examples/

Saved by uncleflo on June 27th, 2017.

One of the Linux command line tools I had initially under-estimated is netcat or just nc. By default, netcat creates a TCP socket either in listening mode (server socket) or a socket that is used in order to connect to a server (client mode). Actually, netcat does not care whether the socket is meant to be a server or a client. All it does is to take the data from stdin and transfer it to the other end across the network. The simplest example of its usage is to create a server-client chat system. Although this is a very primitive way to chat, it shows how netcat works. In the following examples it is assumed that the machine that creates the listening socket (server) has the 192.168.0.1 IP address. So, create the chat server on this machine and set it to listen to 3333 TCP port

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Information Security Stackexchange

https://security.stackexchange.com/

Saved by uncleflo on June 27th, 2017.

Q&A for information security professionals. Ask questions and get answers on any and all information security related topics.

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rrdtool

http://oss.oetiker.ch/rrdtool/doc/rrdtool.en.html

Saved by uncleflo on April 20th, 2017.

It is pretty easy to gather status information from all sorts of things, ranging from the temperature in your office to the number of octets which have passed through the FDDI interface of your router. But it is not so trivial to store this data in an efficient and systematic manner. This is where RRDtool comes in handy. It lets you log and analyze the data you gather from all kinds of data-sources (DS). The data analysis part of RRDtool is based on the ability to quickly generate graphical representations of the data values collected over a definable time period.

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Damn Small Linux

http://www.damnsmalllinux.org/download.html

Saved by uncleflo on February 24th, 2017.

Damn Small Linux is a very versatile 50MB mini desktop oriented Linux distribution. Damn Small is small enough and smart enough to do the following things: Boot from a business card CD as a live linux distribution (LiveCD), Boot from a USB pen drive, Boot from within a host operating system (that's right, it can run *inside* Windows), Run very nicely from an IDE Compact Flash drive via a method we call "frugal install", Transform into a Debian OS with a traditional hard drive install, Run light enough to power a 486DX with 16MB of Ram, Run fully in RAM with as little as 128MB (you will be amazed at how fast your computer can be!), Modularly grow -- DSL is highly extendable without the need to customize

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Linux List All Large Files

https://www.cyberciti.biz/faq/find-large-files-linux/

Saved by uncleflo on February 14th, 2017.

How do I find out all large files in a directory? There is no single command that can be used to list all large files. But, with the help of find command and shell pipes, you can easily list all large files.

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How to Read a File Line by Line in a Shell Script

http://www.bashguru.com/2010/05/how-to-read-file-line-by-line-in-shell.html

Saved by uncleflo on January 27th, 2017.

There are many ways to handle any task on a Unix platform, but some techniques that are used to process a file waste a lot of CPU time. Most of the wasted time is spent in unnecessary variable assignment and continuously opening and closing the same file over and over. Using a pipe also has a negative impact on the timing. In this article I will explain various techniques for parsing a file line by line. Some techniques are very fast and some make you wait for half a day. The techniques used in this article are measurable, and I tested each technique with time command so that you can see which techniques suits your needs.

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How to convert to/from DOS format in VIM…

http://mattfahrner.com/2008/10/09/how-to-convert-tofrom-dos-format-in-vim/

Saved by uncleflo on January 27th, 2017.

It’s very easy, but also easy to forget how to convert to or from a DOS format file in Unix using “vim” (Vi iMproved), the Open Source “vi”. If the file is in DOS format and you want to convert to Unix, use the command:

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AWK - Built-in Functions

https://www.tutorialspoint.com/awk/awk_built_in_functions.htm

Saved by uncleflo on January 27th, 2017.

AWK has a number of functions built into it that are always available to the programmer. This chapter describes Arithmetic, String, Time, Bit manipulation, and other miscellaneous functions with suitable examples.

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Check listening ports with netstat

https://support.rackspace.com/how-to/checking-listening-ports-with-netstat/

Saved by uncleflo on January 27th, 2017.

If you’re troubleshooting a service that you know is running normally the next step is to ensure it’s listening on the correct network port. The netstat command shows the services listening to ports on a Linux server and the details of any connections currently made to them. The connection details to consider during basic network daemon troubleshooting are the addresses that the daemon is listening on (including the port number), the daemon’s process identifier (PID), and the program name.

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