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Boniface Kabaso boniface

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190 followers · 1 following
  • Hashcode (Z) Limited
  • Lusaka, Zambia
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@boniface
boniface / kubernets.md
Created February 24, 2018 08:32
Kube installation
@boniface
boniface / latency.txt
Created August 28, 2017 14:47 — forked from jboner/latency.txt
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers
--------------------------
L1 cache reference 0.5 ns
Branch mispredict 5 ns
L2 cache reference 7 ns 14x L1 cache
Mutex lock/unlock 25 ns
Main memory reference 100 ns 20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy 3,000 ns 3 us
Send 1K bytes over 1 Gbps network 10,000 ns 10 us
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD
@boniface
boniface / playdocker.sh
Created July 30, 2017 11:52
Docker Play deploy
dockerCommands := Seq(
Cmd("FROM", "anapsix/alpine-java:jdk8"),
Cmd("MAINTAINER", maintainer.value),
Cmd("WORKDIR", "/opt/docker"),
Cmd("ADD", "/opt /opt"),
ExecCmd("RUN", "chown", "-R", "daemon:daemon", "."),
Cmd("USER", "daemon"),
ExecCmd("ENTRYPOINT", "bin/hashbot"),
ExecCmd("CMD", "")
)
@boniface
boniface / gist:c1cc91e656f68e40c5f57672afb9a5cd
Last active November 4, 2017 08:44
#!/bin/bash
docker run --name CasDC1SeedOne \
-e WEAVE_CIDR=10.10.10.5/16 \
-e CASSANDRA_CLUSTER_NAME=CPUT \
-e CASSANDRA_DC=DC1 \
-e CASSANDRA_RACK=RC1 \
-e CASSANDRA_ENDPOINT_SNITCH=GossipingPropertyFileSnitch \
-v /data/cassandra/node1:/var/lib/cassandra \
-e CASSANDRA_SEEDS=10.10.10.5,10.10.10.15 \
@boniface
boniface / Advanced-FP-with-Scala.md
Created December 23, 2016 18:02 — forked from jdegoes/Applied-FP-with-Scala.md

Advanced Functional Programming with Scala - Notes

Copyright © 2017 Fantasyland Institute of Learning. All rights reserved.

1. Mastering Functions

A function is a mapping from one set, called a domain, to another set, called the codomain. A function associates every element in the domain with exactly one element in the codomain. In Scala, both domain and codomain are types.

val square : Int => Int = x => x * x
@boniface
boniface / SBT Proxy
Created August 11, 2016 12:47
SBT Proxy
-XX:MaxPermSize=384M
-Dhttps.proxyHost=10.18.8.9
-Dhttps.proxyPort=3128
-Dhttps.proxyUser=user
-Dhttps.proxyPassword=pass
-Dhttp.proxyHost=10.18.8.9
-Dhttp.proxyPort=3128
-Dhttp.proxyUser=user
-Dhttp.proxyPassword=passwd
@boniface
boniface / dockerbuildbehindproxy.sh
Last active June 13, 2016 13:58
Docker Build Behind a Prroxy
docker build -t bonifacekabaso/cassandrad:2.2.6 \
--build-arg http_proxy="http://[USER]:[PASSWD]@[IP]:[PORT]" \
--build-arg https_proxy="http://[USER]:[PASSWD]@[IP]:[PORT]" \
.
@boniface
boniface / tomcat8.sh
Created November 8, 2014 18:02
Tomcat 8 startup Scrpt for Ubuntu
#Create Group
# groupadd tomcat
# useradd -g tomcat -d /usrlocal/tomcat8 tomcat
# usermod -G www-data tomcat
# chown tomcat:tomcat /usrlocal/tomcat8 -R
# vim /etc/init.d/tomcat
#!/bin/sh
@boniface
boniface / gist:8ddfc271676bb81a184f
Created October 18, 2014 17:00
Wordpress Migration
UPDATE wp_options SET option_value = replace(option_value, 'http://www.oldsite.com', 'http://www.newsite.com') WHERE option_name = 'home' OR option_name = 'siteurl';
UPDATE wp_posts SET guid = replace(guid, 'http://www.oldsite.com','http://www.newsite.com');
UPDATE wp_posts SET post_content = replace(post_content, 'http://www.oldsite.com', 'http://www.newsite.com');
UPDATE wp_postmeta SET meta_value = replace(meta_value, 'http://www.oldsite.com', 'http://www.newsite.com');
@boniface
boniface / Feeds.go
Created September 18, 2014 10:47
package main
import (
"github.com/gocql/gocql"
"github.com/SlyMarbo/rss"
"log"
"crypto/md5"
"encoding/hex"
"time"
"fmt"