Shudipta Sharma shudipta

How to update the Go version

System: Debian/Ubuntu/Fedora. Might work for others as well.

As mentioned here, to update a go version you will first need to uninstall the original version.

To uninstall, delete the /usr/local/go directory by:

To remove just git package itself from Ubuntu 14.04 execute on terminal:

$ sudo apt-get remove git

To remove the git package and any other dependant package which are no longer needed from Ubuntu Trusty.

$ sudo apt-get remove --auto-remove git

	-- show running queries (pre 9.2)
	SELECT procpid, age(clock_timestamp(), query_start), usename, current_query
	FROM pg_stat_activity
	WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%'
	ORDER BY query_start desc;

	-- show running queries (9.2)
	SELECT pid, age(clock_timestamp(), query_start), usename, query
	FROM pg_stat_activity
	WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%'

	# The command finds the most recent tag that is reachable from a commit.
	# If the tag points to the commit, then only the tag is shown.
	# Otherwise, it suffixes the tag name with the number of additional commits on top of the tagged object
	# and the abbreviated object name of the most recent commit.
	git describe

	# With --abbrev set to 0, the command can be used to find the closest tagname without any suffix:
	git describe --abbrev=0

	# other examples

	# create k8s resource without reading from file
	$ cat - <<-EOF \| kubectl apply -f -
	apiVersion: v1
	kind: Secret
	metadata:
	name: dummy-secret
	type: Opaque
	data:
	API_KEY: bWVnYV9zZWNyZXRfa2V5
	API_SECRET: cmVhbGx5X3NlY3JldF92YWx1ZTE=

	package main
	// http://play.golang.org/p/jZ5pa944O1 <- will not display the colors
	import "fmt"

	const (
	InfoColor = "\033[1;34m%s\033[0m"
	NoticeColor = "\033[1;36m%s\033[0m"
	WarningColor = "\033[1;33m%s\033[0m"
	ErrorColor = "\033[1;31m%s\033[0m"
	DebugColor = "\033[0;36m%s\033[0m"

	$ kubectl create -f sts-svc.yaml
	$ kubectl logs -f web-0
	PING web-0.test (10.28.0.104): 56 data bytes
	64 bytes from 10.28.0.104: seq=0 ttl=64 time=0.029 ms

	--- web-0.test ping statistics ---
	1 packets transmitted, 1 packets received, 0% packet loss
	round-trip min/avg/max = 0.029/0.029/0.029 ms

	PING web-1.test (10.28.2.71): 56 data bytes

	#!/bin/bash

	export MINIKUBE_VER=v1.0.0
	export KUBECTL_VER=`curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt`

	show_help() {
	echo "mk-kc.sh - update minikube and kubectl"
	echo " "
	echo "mk-kc.sh [options]"
	echo " "

	#!/bin/bash
	set -eou pipefail

	export VERSION=14
	export ARGS=0
	export FILE=

	show_help() {
	echo "c++14 - builds and runs a c++ source file specified by the only argument"
	echo " "