Clone Wars – Open source clones of popular sites 100+ open-source clones or alternatives of popular sites like Airbnb, Amazon, Instagram, Netflix, Tiktok, Spotify, Trello, Whatsapp, Youtube, etc. List contains source code, demo links, tech stack, and, GitHub stars count. Great for learning purpose! From https://gourav.io/clone-wars List of 100+ open-source clones Clone Demo Repo Tech ..

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FFmpeg is a free and open-source collection of tools for handling multimedia files. It contains a set of shared audio and video libraries such as libavcodec, libavformat, and libavutil. With FFmpeg, you can convert between various video and audio formats, set sample rates, capture streaming audio/video, and resize videos. This tutorial walks you through installing ..

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(from http://home.sprintmail.com/~cwhent/WilliamByrd.html) Any investigation of the music and life of William Byrd must depend heavily on the writings of E.H. Fellowes, Thurston Dart, Joseph Kerman, Craig Monson, Alan Brown, Richard Turbet and Philip Brett. Fellowes provided the first detailed account, which hasrecently been superseded by a new study by John Harley. Harley has revisited the ..

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Our branch of the family remained in North Carolina for some time. By the time of William John Byrd (1704-1777, Dad’s 5th great grandfather) the Byrd clan was of some note in the Chowan and Halifax county areas of North Carolina. Both John Byrd Sr. (1732-1791, Dad’s 4th great grandfather) and George William Byrd (1730-1825, ..

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The original Dewberry family in America descends from Peter De Berry (1619-1679, Dad’s 9th great grandfather). Peter seems to have been a pretty sharp fellow. To understand why, you must know a bit about French history. The DeBerry family was in fact a French family who were Protestant in their religion. Be aware of the ..

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It always confused me that dad’s great grandfather, Stephen Talmadge Byrd, married his wife, Eugenia Mae Byrd, with her last name already being “Byrd.” I just always thought that was a mistake somehow. Well, it’s not. Stephen Talmadge married his 2nd cousin, once removed. It looks like this: Arthur Samuel is dad’s third great grandfather. ..

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In attempting to use the mysqldump utility provided with MySQL 8.x against a 5.7 server, you may receive the following error message: mysqldump: Couldn’t execute ‘SELECT COLUMN_NAME, JSON_EXTRACT(HISTOGRAM, ‘$.”number-of-buckets-specified”‘) This is due to the INFORMATION_SCHEMA in 8.0 having more columns to support several new features in 8.x.  This error can be silenced by adding the ..

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gron transforms JSON into discrete assignments to make it easier to grep for what you want and see the absolute ‘path’ to it. It eases the exploration of APIs that return large blobs of JSON but have terrible documentation. ▶ gron “https://api.github.com/repos/tomnomnom/gron/commits?per_page=1” | fgrep “commit.author” json[0].commit.author = {}; json[0].commit.author.date = “2016-07-02T10:51:21Z”; json[0].commit.author.email = “mail@tomnomnom.com”; json[0].commit.author.name ..

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The latest enhancement in ProxySQL v2.0.0 is the native support of Galera Cluster. No more need to use an external script within the scheduler like explained also in this post of ours. This document will cover how to take an advantage of the new feature and integrate ProxySQL with Percona XtraDB Cluster to monitor galera ..

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A man is flying in a hot air balloon and realizes he is lost. He spots a man down below and lowers the balloon to shout: “Excuse me, can you help me? I promised my friend I would meet him half an hour ago, but I don’t know where I am.” The man below says: ..

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Things are being migrated from my professional website (rlbyrd.com) as time permits. For the time being, you can look here, where some of my works are ..

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A sample service check, annotated:    host_name                       dbsrp2076                  <– name of server     service_description             SSH                        <– service being monitored     servicegroups                   PROD-ssh                   <– service groups     is_volatile                     0                          <– Does this service spontaneously start and stop (always 0 for “no”)     check_period                    24×7                       <– during what hours is this service checked?     max_check_attempts              10                         <– ..

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Things are being migrated from my professional website (rlbyrd.com) as time permits. For the time being, you can look here. For family and friends, the full photo gallery is at https://photos.houseofbyrd.com. (Login..

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This category is almost exclusively used for “find something interesting, forward it via email to your chapbook until you can properly edit and categorize it.” So, these aren’t the droids you’re looking for. Move along.         &nb..

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This site will be periodically updated with stories, anecdotes, and other information regarding the following families and their branches hailing at some point from Alabama, primarily the Monroe, Conecuh, and Escambia county areas, ranging into Kentucky, North Carolina, Virginia, and Florida, although other localities are represented in the various branches and lines of the family: ..

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What if Windows let you quickly access administrative tools, backup and restore options and other important management settings from a single window? If that sounds good, look no further than the so-called “God Mode.” What Is God Mode? No, God Mode doesn’t unlock any extra secret features in Windows or let you do any tweaking ..

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After you configure all PXC nodes, initialize the cluster by bootstrapping the first node. The initial node should be the one that contains all your data, which you want to be replicated to other nodes. Bootstrapping implies starting the node without any known cluster addresses. If the wsrep_cluster_address variable is empty, Percona XtraDB Cluster assumes ..

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SELECT u.usename, s.schemaname, has_schema_privilege (u.usename, s.schemaname, ‘create’) AS user_has_select_permission, has_schema_privilege (u.usename, s.schemaname, ‘usage’) AS user_has_usage_permission FROM pg_user u CROSS JOIN (SELECT DISTINCT schemaname FROM pg_tables) s WHERE u.usename = ‘tylerbullen’ AND s.schemaname = ‘vacasa’; SELECT u.usename, t.schemaname || ‘.’ || t.tablename, has_table_privilege (u.usename, t.tablename, ‘select’) AS user_has_select_permission, has_table_privilege (u.usename, t.tablename, ‘insert’) AS user_has_insert_permission, has_table_privilege (u.usename, ..

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SELECT * FROM stl_scan ss JOIN pg_user pu ON ss.userid = pu.usesysid JOIN svl_query_metrics_summary sqms ON ss.query = sqms.query JOIN temp_mone_tables tmt ON tmt.table_id = ss.tbl AND tmt.table = ss.perm_table_name; SELECT perm_table_name, SUM(ROWS), SUM(bytes) SUM(fetches) FROM stl_scan WHERE starttime >= ‘2018-09-01 00:00:00’ GROUP BY perm_table_name ORDER BY SUM(bytes) DESC..

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Save the SQL part as dump_rs_grants.sql, then run this bash bit: cd /usr/local/cron/dump_rs_grants PGPASSWORD=xxxxxxxxx psql -h redshiftFQDN -p 5439 -Uxxxxxx -dyyyyyy < dump_rs_grants.sql > current_rs_grants.txt dump_rs_grants.sql: WITH object_list(schema_name,object_name,permission_info) AS ( SELECT N.nspname, C.relname, array_to_string(relacl,’,’) FROM pg_class AS C INNER JOIN pg_namespace AS N ON C.relnamespace = N.oid WHERE C.relkind in (‘v’,’r’) AND N.nspname NOT IN ..

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#SCHEMA=”${2}” STARTIME=`date` echo “Starting rowcount update at $STARTIME” # fivetran database DBASE=”fivetran” SCHEMALIST=”greenhouse hubspot jira mandrill marketo” # Truncate rollup table echo “Deleting from rollup table for ${DBASE} schema…” PGPASSWORD=xxxxxxxxxx psql -t -h warehouse.vacasa.services -p 5439 -Uvacasaroot -d${DBASE} -n -q -c “TRUNCATE TABLE admin.overall_rowcount;” # Iterate through schemata for SCHEMA in ${SCHEMALIST} do TABLES=`PGPASSWORD=xxxxxxxxxx psql ..

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#!/bin/bash ################################################################################# # findlockblocks.sh # # Dead-stupid script that leverages existing RS queries and does a mashup that reports # the current running queries that are blocking others, sorted by time running. # # Nice, simple way to see if there’s actually a problem or if RS is just swamped. # # v1.01 2019-06-14 rlbyrd ..

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#!/bin/bash ################################################################################# # do_analyze_by_batch.sh # # Using this query as the source… # # SELECT database, schema || ‘.’ || “table” AS “table”, stats_off # FROM svv_table_info # WHERE stats_off > 5 # ORDER BY 3 DESC, 2; # # …which displays all tables and their stats_off percentage in descending order. # # # Then ..

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— Table level permissions SELECT * FROM ( SELECT schemaname ,objectname ,usename ,HAS_TABLE_PRIVILEGE(usrs.usename, fullobj, ‘select’) AND has_schema_privilege(usrs.usename, schemaname, ‘usage’) AS sel ,HAS_TABLE_PRIVILEGE(usrs.usename, fullobj, ‘insert’) AND has_schema_privilege(usrs.usename, schemaname, ‘usage’) AS ins ,HAS_TABLE_PRIVILEGE(usrs.usename, fullobj, ‘update’) AND has_schema_privilege(usrs.usename, schemaname, ‘usage’) AS upd ,HAS_TABLE_PRIVILEGE(usrs.usename, fullobj, ‘delete’) AND has_schema_privilege(usrs.usename, schemaname, ‘usage’) AS del ,HAS_TABLE_PRIVILEGE(usrs.usename, fullobj, ‘references’) AND has_schema_privilege(usrs.usename, schemaname, ‘usage’) ..

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select relacl , ‘grant ‘ || substring( case when charindex(‘r’,split_part(split_part(array_to_string(relacl, ‘|’),pu.groname,2 ) ,’/’,1)) > 0 then ‘,select ‘ else ” end ||case when charindex(‘w’,split_part(split_part(array_to_string(relacl, ‘|’),pu.groname,2 ) ,’/’,1)) > 0 then ‘,update ‘ else ” end ||case when charindex(‘a’,split_part(split_part(array_to_string(relacl, ‘|’),pu.groname,2 ) ,’/’,1)) > 0 then ‘,insert ‘ else ” end ||case when charindex(‘d’,split_part(split_part(array_to_string(relacl, ‘|’),pu.groname,2 ) ,’/’,1)) ..

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It’s columnar, donchaknow. drop table if exists example.reservation_finance_item_dedupe; create table example.reservation_finance_item_dedupe as (select distinct * from example.reservation_finance_item); select count(*) from example.reservation_finance_item; select count(*) from example.reservation_finance_item_dedupe; drop table if exists example.reservation_finance_item_old; set search_path=example; alter table reservation_finance_item rename to reservation_finance_item_old; alter table reservation_finance_item_dedupe rename to reservation_finance_item; select count(*) from example.reservation_finance_item; select count(*) from example.reservation_finance..

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Most distributions of Linux come with a handy network latency utility called mtr.  Thankfully, it is included with the distributions of RHEL we use as well.  It’s a combination of ping and traceroute which show each hop of a network path, the time for that hop, and averages/standard deviations.  I use it all the time.  ..

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From screentogif.com: This free tool was (and still is) mainly projected to work as a quick and small screen recorder. If you plan to record hours of fullscreen content, I recommend switching to more advanced software. Recording 📹 ScreenToGif allows you to record part of your screen with the Screen Recorder, also there’s the Webcam ..

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Nikto is a very popular and easy to use webserver assessment tool to find potential problems and vulnerabilities very quickly. This tutorial shows you how to scan webservers for vulnerabilities using Nikto in Kali Linux. Nikto comes standard as a tool with Kali Linux and should be your first choice when pen testing webservers and web applications. ..

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#!/usr/bin/env perl # mysqltuner.pl – Version 1.7.9 # High Performance MySQL Tuning Script # Copyright (C) 2006-2018 Major Hayden – major@mhtx.net # Inspired by Matthew Montgomery’s tuning-primer.sh script: # http://forge.mysql.com/projects/view.php?id=44 # # This version further hacked and slashed by rlbyrd off and on since 2009. package main; use 5.005; use strict; use warnings; use diagnostics; ..

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— SQL snippet to calculate table fragmentation. SELECT table_schema, TABLE_NAME, ROUND(DATA_LENGTH / 1024 / 1024) AS data_length, ROUND(INDEX_LENGTH / 1024 / 1024) AS index_length, ROUND(DATA_FREE / 1024 / 1024) AS data_free, CONCAT( ROUND( ( data_free / (index_length + data_length) ) * 100 ), ‘%’ ) AS frag_ratio FROM information_schema.tables WHERE DATA_FREE > 0 AND TABLE_SCHEMA ..

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#!/bin/bash # Expects: # If no *.last exists, make one. # if one does, diff it and report # Set this manually. Everything else will branch off this. BASEDIR=”/data/backups/ddl/” DBUSER=”svc_dba_adhoc” DBPASS=”ADXEZKZLbgdvcB24nvPu” TZ=”America/Los_Angeles” EMAILTO=”richard.byrd@example.com,mark.butler@example.com,rlbyrd@rlbyrd.com” if [ “$2” == “” ] then echo ” ” echo “USAGE: ddldiff ” echo ” ” fi HOST=${1} SCHEMA=${2} TMPFILE=”/tmp/${HOST}-${SCHEMA}.tmp” /bin/rm ..

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Traverses all integer columns checking for capacity limits. #!/usr/bin/env perl #use 5.010; #use strict; #use warnings; # Richard L. Byrd, written sometime in the 90s and improved bit by bit over the next 20 years # # 2009-01-27: While originally written to take a configfile input on the CLI (–configfile=xxxxx.cfg) I’ve hacked # that out ..

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Another useful database auditor to quickly find possible issues. Expects user and pass on command line. Currently expects to be executed on the same server as the mysqld process. #!/bin/sh # Another useful database auditor to quickly find possible issues. Expects user and pass on command line. # Currently expects to be executed on the ..

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By far the simplest option is for Mac users to install Telnet through Homebrew. If you haven’t done so, go through these steps first: Next, from a termina window, run this command. brew install telnet Hit Return and let Homebrew download and install Telnet to the Mac When installation has complete, you can run Telnet ..

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Advanced Mac users may appreciate using the Homebrew package manager, which greatly simplifies the process of installing command line software and tools on a Mac. For example, if you want to easily install favorite command line tools on a Mac like cask, htop, wget, nmap, tree, irssi, links, colordiff, or virtually any other familiar unix ..

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To view the existing routes, C:\> route print To add a static route, Syntax: C:\> route add <target> mask <netmask> <gateway IP> metric <metric cost> if <interface> Example: C:\> route add 10.10.10.0 mask 255.255.255.0 192.168.1.1 metric 1 Note: If there is more than one Network Interface and if the interface is not mentioned, the interface ..

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Contents0.0.1 Executive Summary0.0.2 General Guidelines0.1 Detailed Standards0.1.0.1 Architecture0.1.0.2 Security0.1.0.2.1 Development servers0.1.0.2.2 Utility servers0.1.0.2.3 Staging servers0.1.0.2.4 Production servers0.1.0.2.5 Users and passwords0.1.1  Queries0.1.2 Programming standards0.1.3 Table schemas0.1.4 Replication0.2 Server Configuration, Tuning, and Maintenance1 Conclusion Executive Summary Advice is seldom welcome. And those who want it most always like it the least.    Philip Dormer Stanhope, Earl of ..

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Using the AWS console. Login to the AWS Management Console. Navigate to Redshift dashboard at https://console.aws.amazon.com/redshift/. In the left navigation panel, under Redshift Dashboard, click Clusters. Click Launch Cluster button from the dashboard top menu to start the cluster setup process. On the Cluster Details configuration page, enter a unique name for your new cluster ..

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BASH Shell Redirect Output and Errors To /dev/null How do I redirect output and errors to /dev/null under bash / sh shell scripting? How do I redirect the output of stderr to stdout, and then redirect this combined output to /dev/null? You can send output to /dev/null, by using command >/dev/null syntax. However, this will ..

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If you, or your clients, are unable to login to your/their email accounts and the system shows this error message: Plaintext authentication disallowed on non-secure (SSL/TLS) connections If you do not want to use SSL/TLS connection to get your email, and to disable SSL/TLS secure connection, do the following: 1. Edit dovecot configuration file: /etc/dovecot.conf ..

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This howto page will provide instructions on how to reach services running inside a firewall from outside of the network by using the Putty SSH Client and SSH Port Tunneling. Contents1 Requirements2 Port Tunneling3 Connecting4 Utilizing the Port Tunnel5 MSSQL Over an SSH Tunnel Requirements Download Putty.exe. Port Tunneling Launch Putty. Different categories will be ..

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Suppose I try to create a table with a primary key that’s varchar(500), and MySQL complains the key length is longer than the maximum of 1000 bytes. 500 is less than 1000. What’s happening? Plus, a tasty (yet apparently harmless) bug in MySQL. Here’s a statement that will fail on most servers: CREATE TABLE test(c ..

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