uncleflo

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

Registered since September 28th, 2017

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How do I allow MySQL connections through SELinux? - Server Fault

https://serverfault.com/questions/240015/how-do-i-allow-mysql-connections-through-selinux

Saved by uncleflo on July 11th, 2019.

I'd like to for once leave SELinux running on a server for the alleged increased security. I usually disable SELinux to get anything to work. How do I tell SELinux to allow MySQL connections? The most I've found in the documentation is this line from mysql.com: If you are running under Linux and Security-Enhanced Linux (SELinux) is enabled, make sure you have disabled SELinux protection for the mysqld process.

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How to easily use Google Fonts with Sass - Developer Drive

https://www.developerdrive.com/how-to-easily-use-google-fonts-with-sass/

Saved by uncleflo on July 10th, 2019.

In this post, we are going to explore open source fonts and CSS pre-processing. I am going to give you an easy way to add web fonts to any website in just a few lines of code. Google Fonts makes it quick and easy for everyone to use web fonts. Google Fonts is a collection of open source fonts that are hosted on Google’s servers and with their API, it is easy for anyone to integrate their fonts into any web project. Best of all, it’s free. (To learn more and explore the hundreds of fonts available, check out the Google Fonts website.)

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AWS - How to redirect database traffic to a new master on RDS after promoting a read replica? - Server Fault

https://serverfault.com/questions/780605/how-to-redirect-database-traffic-to-a-new-master-on-rds-after-promoting-a-read-r

Saved by uncleflo on June 23rd, 2019.

A lot of RDS's documentation about read replicas contains a magical step along the lines of "direct database traffic to the new master." For instance, their instructions on implementing failure recovery say: This talk about directing traffic glosses over what is actually a complicated step, though. If I were using EC2 instances to host my database, I could give them elastic IPs, use the public DNS address of the instance to address it (which resolves to its private IP from inside AWS), and then instantly swap my entire stack to the read replica by reassigning the elastic IP (and thus simultaneously reassigning the public DNS). I used this method happily back in the days when RDS was considered straightforwardly inferior to rolling your own database instance on EC2 by many DBAs. RDS instances still cannot have elastic IPs, though, so I cannot use this particular trick to magically redirect all my database traffic to a new instance when using RDS.

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AWS Marketplace: CentOS 7 (x86_64) - with Updates HVM

https://aws.amazon.com/marketplace/pp/B00O7WM7QW

Saved by uncleflo on May 24th, 2019.

This is the Official CentOS 7 x86_64 HVM image that has been built with a minimal profile, suiteable for use in HVM instance types only. The image contains just enough packages to run within AWS, bring up an SSH Server and allow users to login. Please note that this is the default CentOS-7 image that we recommend everyone uses. It contains packages that are updated at points in time to include critical security updates.

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AWS Autoscaling | Autoscaling and Load Balancing in AWS | AWS Training | Edureka - YouTube

https://www.youtube.com/watch?v=-hFAWk6hyZA

Saved by uncleflo on May 24th, 2019.

In this Edureka tutorial on AWS Autoscaling and Load balancing, you will learn how to implement Autoscaling and Load Balacing service in AWS practically. Also, we will see how we can divert our traffic to different servers based on their path name. We have covered the following topics in this tutorial: What are Snapshots and AMIs? Why AutoScaling? What is AutoScaling? What is a Load Balancer? Hands-on.

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How to Migrate Microsoft SQL Server to MySQL Database

https://www.thegeekstuff.com/2014/03/mssql-to-mysql/

Saved by uncleflo on May 12th, 2019.

If you are using mostly open source in your enterprise, and have few MS SQL server database around, you might want to consider migrating those to MySQL database. We can migrate MS SQL database to MySQL using migration module of “MySQL Workbench” utility. Download and install this MySQL Installer, which includes Workbench and other necessary connectors and drivers required for the migration.

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Prometheus - Monitoring system & time series database

https://prometheus.io/

Saved by uncleflo on May 12th, 2019.

Power your metrics and alerting with a leadingopen-source monitoring solution. Prometheus implements a highly dimensional data model. Time series are identified by a metric name and a set of key-value pairs. PromQL allows slicing and dicing of collected time series data in order to generate ad-hoc graphs, tables, and alerts. Prometheus has multiple modes for visualizing data: a built-in expression browser, Grafana integration, and a console template language. Prometheus stores time series in memory and on local disk in an efficient custom format. Scaling is achieved by functional sharding and federation. Each server is independent for reliability, relying only on local storage. Written in Go, all binaries are statically linked and easy to deploy.

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Containers: A Complete Guide | IBM

https://www.ibm.com/cloud/learn/containers

Saved by uncleflo on May 12th, 2019.

This guide looks at the importance of containers in cloud computing, highlighting the benefits and showing how containers figure into such technologies as Docker, Kubernetes, Istio, VMs, and Knative. A container is a small file that packages together application code along with all the libraries and other dependencies that it needs to run. By packaging together applications, libraries, environment variables, other software binaries and configuration files, a container guarantees that it has everything needed to run the application out of the box, regardless of the operating environment in which the container runs. A key characteristic of a container is that it is small and fast because it uses some of the underlying host operating system's resources to run rather than containing a whole OS of its own.

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CI/CD for Kubernetes with Jenkins and Spinnaker - DZone Cloud

https://dzone.com/articles/new-way-of-cicd-in-kubernetes-with-jenkins-and-spi

Saved by uncleflo on May 12th, 2019.

Every organization which has adopted DevOps practices wants to quickly adopt "Continuous" everything, be it Integration, Deployment, Testing or, Monitoring. For a successful DevOps operation, CI/CD is very important for any small or big size organization to shorter development cycles and innovate faster, reduce deployment failures, safe Rollbacks and reduce MTTR (mean time to recover). In this article, we will uncover a new way of bringing continuous integration and continuous delivery of applications to your Kuberenetes cluster. We are using Jenkins as the CI tool which will poll the Git repositories to build Docker images on commits and push it to Docker registry. We will use Spinnaker as the CD tool which continuously polls the Docker registry and triggers the deployment pipelines to update applications in your Kubernetes cluster.

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SQL Server 2016: Create a Database User

https://www.quackit.com/sql_server/sql_server_2016/tutorial/create_a_database_user_in_sql_server_2016.cfm

Saved by uncleflo on May 5th, 2019.

In SQL Server, you can create a database user to allow different users or processes access to a particular database. Even though we have just created a login that can successfully connect to SQL Server, that login still can't access our Music database. This is because we haven't yet associated that login with a database user. There are four things you need to do in order to provide access to a database:

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Download the Microsoft Drivers for PHP for SQL Server - SQL Server | Microsoft Docs

https://docs.microsoft.com/en-us/sql/connect/php/download-drivers-php-sql-server?view=sql-server-2017

Saved by uncleflo on May 4th, 2019.

The drivers for PHP are easily downloaded and installed using PECL on Linux and macOS. See the Linux and macOS installation tutorial for details. If you need to install the drivers for PHP on Linux and macOS manually, the following versions are available for download: SQLSRV Driver API Reference PDO_SQLSRV Driver API Reference

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Create a Database User - SQL Server | Microsoft Docs

https://docs.microsoft.com/en-us/sql/relational-databases/security/authentication-access/create-a-database-user?view=sql-server-2017

Saved by uncleflo on May 4th, 2019.

This topic describes how to create the most common types of database users. There are eleven type of users. The complete list is provided in the topic CREATE USER (Transact-SQL). All varieties of SQL Server support database users, but not necessarily all types of users. You can create a database user by using SQL Server Management Studio or by using Transact-SQL.

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Email Backup Wizard Single Application to Backup Your Emails of Cloud ; Desktop Email Services

https://emailbackupwizard.com/

Saved by uncleflo on April 28th, 2019.

It is a single all-in-one email backup utility that creates the backup of 85 email services. With this software, you can create the backup of different services like Cloud Based, Web Based, Desktop Based. Creating regular backup to email is very important to reduce the possibility of the loss of correspondence and valuable data. There are many email services are available but if you are looking for a single application to create the backup of Cloud, Web Server, and Desktop email services then Email Backup Wizard is the right choice for you. One and only solution, which is capable to create the backup of 85 email applications such as AIM, Lycos, Cox Mail, Charter Mail, FateWeb Mail, Gmail, G Suite, Webmail, Axigen, Earthlink, Email.com, Amazon Workmail, AOL, BlueHost, Comcast, DreamHost, Europe.com, GMX, GoDaddy, and many more.

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ZOOK Email Backup Software - Best Way to Take Email Backup to Webmail

https://www.zooksoftware.com/email/backup/

Saved by uncleflo on April 28th, 2019.

Best Email Backup Tool to Archive Emails of 85+ Email Applications. Take Backup of Webmail, Cloud Mail, cPanel & Web Based Email Client Emails. Complete Backup of IMAP Account Messages from Online Email Services. Allows to Migrate Email Backup to Email Formats or Cloud Based Email Services. Email Backup Utility Facilitates 100% Safe & Secure Backup of Emails. Advance Filter Option to Sort and Create Backup of Emails. Simple GUI of Backup Wizard Provides Hassle Free Platform to Archive All Mails.

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Download Query Express

http://www.albahari.com/queryexpress.aspx

Saved by uncleflo on April 18th, 2019.

Query Express is a simple Query Analyzer look-alike, but being small and free, it can be run where the SQL Server client tools are not installed or licensed. This makes it especially useful as a query tool for MSDE and SQL Express. It also connects, to Oracle and other OLE-DB compliant databases. Query Express requires no installation and is packaged as a single 100KB executable. This is more than 300 times smaller than SQL Server Management Studio! Query Express is ideal for those not yet ready for LINQPad.

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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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Mounting NFS on a Windows Client

https://mapr.com/docs/51/DevelopmentGuide/c-mounting-nfs-on-a-windows-client.html

Saved by uncleflo on January 3rd, 2019.

Complete the following steps to mount NFS on a Windows client: The UID and GID values are set in the Windows Registry and are global on the Windows NFS client box. This solution might not work well if your Windows box has multiple users who each need access to NFS with their own permissions, but there is no obvious way to avoid this limitation. To set up the Windows NFS client, mount the cluster, map a network drive, and configure the user ID (UID) and group ID (GID). The Windows client must access NFS using a valid UID and GID from the Linux domain. Mismatched UID or GID will result in permissions problems when MapReduce jobs try to access files that were copied from Windows over an NFS share. Because of Windows directory caching, there may appear to be no .snapshot directory in each volume's root directory. As a workaround, force Windows to re-load the volume's root directory by updating its modification time (for example, by creating an empty file or directory in the volume's root directory).

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NFS - which ports to open? - Storage - Discussions

https://discussions.citrix.com/topic/289912-nfs-which-ports-to-open/

Saved by uncleflo on December 23rd, 2018.

No problem connecting to NFS with firewalls disabled,but even with TCPView it's not obvious which ports require opening.
We've opened port 2049 for both UDP and TCP and all seems well, but there's a selection of ports mentioned across the web for NFS. So with XenServer just 2049? Sharing filesystems by NFS: Regardless of which choice is made for ID mapping you will need to adjust any firewall the system is using so that NFS clients can communicate with the server. You will need to ensure that the following ports are open before sharing any filesystem: UDP: 111, 1039, 1047, 1048 and 2049. TCP: 111, 1039, 1047, 1048 and 2049. See _this article_ Tobias

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Setting a FQDN for the NAS - Synology Forum

https://forum.synology.com/enu/viewtopic.php?t=131359

Saved by uncleflo on December 23rd, 2018.

When setting up the NAS, you need to enter in a server name. This becomes the hostname. How can I set a FQDN (i.e. NAS-Store.example.com) without it being wiped out all the time? You can just setup a ddns name and use it to get access (I'm guessing you wanna use that name to gain outside access to your NAS). There is a DDNS tab in Control Panel > External Access. Register your name there. I don't need to worry about DDNS. That is not an issue. As I run an internal DNS on my network, I can type in the FQDN of the NAS and get to it OK. That's all fine. I would just like to be able to give the NAS an FQDN and an SSL certificate to match it, so I do not get any warnings that the cert is incorrect for the NAS when I have external clients use the Cloud Station. I don´t you buy a domain name, setup it up by using DynDns client and give the domain name to your clients to connect to, and then set your internal DNS with that same domain name to point to the internal IP, and also set the name of the NAS with that domain name.

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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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How can we find the tf-idf value of a word in the corpus?

https://www.researchgate.net/post/how_can_we_find_the_tf-idf_value_of_a_word_in_the_corpus

Saved by uncleflo on December 23rd, 2018.

I am working on text classification using SVM. In a paper (Fuzzy Support vector machine for multi-class text categorization) the author has reduced the features(words) by applying the following criteria: "Eliminate the words that are ICF>log2, Uni<0.2 and TF_IDF<26". My question is how can we find TF_IDF value of a word. TF is a local measure and IDF is a global measure. TF_IDF gives different value for a word in each document. TF-IDF is the acronym for Term Frequency–Inverse Document Frequency. This metric aims at estimating how important is a keyword not only in a particular document, but rather in a whole collection of documents (corpus). Actually, a lot of common words like articles or conjunctions may appear several times in a document but they are not relevant as key-concepts to be indexed or searched. TF (Term Frequency) provides a measure about how frequently a term occurs in a document.

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word2vec - Google Code Archive

https://code.google.com/archive/p/word2vec/

Saved by uncleflo on December 23rd, 2018.

This tool provides an efficient implementation of the continuous bag-of-words and skip-gram architectures for computing vector representations of words. These representations can be subsequently used in many natural language processing applications and for further research. The word2vec tool takes a text corpus as input and produces the word vectors as output. It first constructs a vocabulary from the training text data and then learns vector representation of words. The resulting word vector file can be used as features in many natural language processing and machine learning applications. A simple way to investigate the learned representations is to find the closest words for a user-specified word. The distance tool serves that purpose. For example, if you enter 'france', distance will display the most similar words and their distances to 'france', which should look like:

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DMARC Email Report & Email Delivery Solution

https://mxtoolbox.com/c/products/deliverycenter?source=problemdetails

Saved by uncleflo on December 23rd, 2018.

You rely on email for business critical communication, so you need to know your email has been delivered to your customers and you need to know who is sending email on your behalf. MxToolbox is your expert on email deliverability. Our newest product, MxToolbox Delivery Center, gives you the insight you need to make email configuration changes and get your emails to your customers' inboxes. MxToolbox Delivery Center is your comprehensive service for understanding email that has been sent "From" your domain. MxToolbox Delivery Center enables you to monitor email delivery information on your 5 Domains and includes 64 Standard Monitors (DNS, SMTP, HTTP, Blacklist, etc).

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Having problems adding Mailchimp's suggested CNAME - GoDaddy Community

https://uk.godaddy.com/community/Managing-Domains/Having-problems-adding-Mailchimp-s-suggested-CNAME-record/m-p/13683#M2625

Saved by uncleflo on December 23rd, 2018.

Mailchimp have suggested adding a CNAME record as following to the DNS records. I am not without experience in these matters and have replaced the 'yoursite.com' with the domain name and as far as I can tell have done everything ok .... but it replies with this. An unexpected error occurred. If this issue continues, contact support. Chat is currently offline so I thought I would ask the question here and see if anyone has had similar problems. Sorry to hear about the error when adding the cname record. I have a suggestion that may help resolve the issue when adding you cname record to your dns zone file. When adding the record you may need to remove the "yoursite.com" section from the record as the cname will already be created as a subdomain of your primary domain. This means when adding the record in the host section it should be added as k1._domainkey only and not k1._domainkey.yourdomainname.com. I also tried this on a test domain to ensure the record would save properly. Below I have also pasted a screenshot of how to properly submit the cname record. If for any reason you continue to recieve and error after adding the record please contact our 24/7 customer support line so that our representatives may further research the error.

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