aidmax

# Install Time Machine service on CentOS 7
# Updated for netatalk 3.1.12

# install required packages for compiling from source
yum install -y rpm-build gcc make wget

# install Perl-IO-socket dependency for netatalk 3.1.12
yum install -y perl-IO-Socket-INET6 perl-interpreter perl-generators libxslt

# install netatalk

aidmax

Simplified Git-flow

                        RELEASE TAG
o----------------------------o-----------------o------------o------> MASTER
 \                          /  \                \----------/ HOTFIX
  \                        /    \                          \
   \----------------------/      \--------------------o-----o------> DEVELOP
                                  \                  /
 \----------------/ FEATURE

aidmax

README

Create a template service file at /etc/systemd/system/secure-tunnel@.service. The template parameter will correspond to the name of target host:

[Unit]
Description=Setup a secure tunnel to %I
After=network.target

aidmax

A few show tricks to find slow queries in mongodb

Enable profiling

First, you have to enable profiling

> db.setProfilingLevel(1)

Now let it run for a while. It collects the slow queries ( > 100ms) into a capped collections, so queries go in and if it's full, old queries go out, so don't be surprised that it's a moving target...

aidmax

# This tells kubecfg to read its config from the local directory
export KUBECONFIG=./kubeconfig

# Looking at the cluster
kubectl get nodes
kubectl get pods --namespace=kube-system

# Running a single pod
kubectl run --generator=run-pod/v1 --image=gcr.io/kuar-demo/kuard-amd64:1 kuard
kubectl get pods

aidmax

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

aidmax

node {
    echo 'Results included as an inline comment exactly how they are returned as of Jenkins 2.121, with $BUILD_NUMBER = 1'
    echo 'No quotes, pipeline command in single quotes'
    sh 'echo $BUILD_NUMBER' // 1
    echo 'Double quotes are silently dropped'
    sh 'echo "$BUILD_NUMBER"' // 1
    echo 'Even escaped with a single backslash they are dropped'
    sh 'echo \"$BUILD_NUMBER\"' // 1
    echo 'Using two backslashes, the quotes are preserved'
    sh 'echo \\"$BUILD_NUMBER\\"' // "1"

aidmax

#!/bin/bash
# ssh-multi
# D.Kovalov
# Based on http://linuxpixies.blogspot.jp/2011/06/tmux-copy-mode-and-how-to-control.html

# a script to ssh multiple servers over multiple tmux panes


starttmux() {
    if [ -z "$HOSTS" ]; then