linux

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Upgrade SSH to v7.3 with include support

echo "deb http://archive.ubuntu.com/ubuntu yakkety main" > /etc/apt/sources.list.d/yakkety.list
apt-get update
apt-get install -y ssh
rm /etc/apt/sources.list.d/yakkety.list
apt-get update

ssh -V
OpenSSH_7.3p1 Ubuntu-1, OpenSSL 1.0.2g 1 Mar 2016

mkdir ~/.ssh/config.d
sed -i '1iInclude config.d/*' ~/.ssh/config

Links
https://superuser.com/questions/247564/is-there-a-way-for-one-ssh-config-file-to-include-another-one

OpenShift

apt-get install docker-engine=1.13.1-0~ubuntu-xenial

wget -q --no-check-certificate https://raw.githubusercontent.com/panticz/installit/master/install.openshift.sh -O - | bash -

#!/bin/bash

. /etc/os-release
if [ "${ID_LIKE}" == "debian" ]; then
    wget -q --no-check-certificate https://raw.githubusercontent.com/panticz/installit/master/install.docker.sh -O - | bash -
    sudo apt-get install git wget
    sudo sed -i 's|ExecStart=/usr/bin/dockerd -H fd://|ExecStart=/usr/bin/dockerd -H fd:// --insecure-registry 172.30.0.0/16|g' /etc/systemd/system/multi-user.target.wants/docker.service
    systemctl daemon-reload
else
    yum install -y docker git wget
    sudo sed -i "s|# INSECURE_REGISTRY='--insecure-registry'|INSECURE_REGISTRY='--insecure-registry 172.30.0.0/16'|g" /etc/sysconfig/docker
fi

systemctl enable docker
systemctl start docker

wget https://github.com/openshift/origin/releases/download/v1.5.0-rc.0/openshift-origin-client-tools-v1.5.0-rc.0-49a4a7a-linux-64bit.tar.gz -qO /tmp/openshift-origin-client-tools-linux-64bit.tar.gz 
tar xzf /tmp/openshift-origin-client-tools-linux-64bit.tar.gz -C /tmp/
cp /tmp/openshift-origin-client-tools-*/oc /usr/local/bin/

rm -rf /tmp/openshift-origin-client-tools*

# create test project
oc cluster up #--public-hostname=openshift.example.com --loglevel=10
oc login -u developer -p developer
oc whoami
oc new-app -L
oc projects
oc new-app openshift/ruby-20-centos7~https://github.com/openshift/ruby-ex
oc get all
oc get pod -w
oc logs -f ruby-ex-1-build
oc get services
oc expose service ruby-ex #--hostname=app1.example.com
oc get route

echo "192.168.178.31 ruby-ex-myproject.192.168.178.31.xip.io" >> /etc/hosts

Manage OpenShift with Ansible
https://github.com/openshift/openshift-ansible
https://www.ansible.com/blog/2013/09/19/deploying-highly-available-openshift-origin-clusters

# Ansible playbook
https://github.com/panticz/ansible/tree/master/roles/ansible

Links
https://www.openshift.org/
https://github.com/openshift/origin/blob/master/docs/cluster_up_down.md#linux
https://github.com/openshift/origin/releases/latest
https://github.com/OpenShiftDemos/openshift-cd-demo

rsync under OpenElec / Kodi

mkdir /tmp/deb
wget http://ftp.us.debian.org/debian/pool/main/r/rsync/rsync_3.1.1-3_armhf.deb -qP /tmp/
wget http://ftp.us.debian.org/debian/pool/main/a/attr/libattr1_2.4.47-2_armhf.deb -qP /tmp/
wget http://ftp.us.debian.org/debian/pool/main/a/acl/libacl1_2.2.52-2_armhf.deb -qP /tmp/
wget http://ftp.us.debian.org/debian/pool/main/p/popt/libpopt0_1.16-10_armhf.deb -qP /tmp/
dpkg -x /tmp/rsync_3.1.1-3_armhf.deb /tmp/deb
dpkg -x /tmp/libattr1_2.4.47-2_armhf.deb /tmp/deb
dpkg -x /tmp/libacl1_2.2.52-2_armhf.deb /tmp/deb
dpkg -x /tmp/libpopt0_1.16-10_armhf.deb /tmp/deb

cryptsetup luks

sudo cryptsetup luksChangeKey /dev/sda5
sudo cryptsetup luksDump /dev/sda5
https://ubuntuforums.org/showthread.php?t=837416

nmcli - NetworkManager command line tool

# list all connections
nmcli con

# show connection details
nmcli con show 'MY_CONNECTION_1'

# start vpn from command line (ubuntu)
nmcli con up id VPN_NAME

nmcli dev wifi list

nmcli con add con-name MY-WIFI ifname wlan0 type wifi ssid MY-WIFI
nmcli con modify MY-WIFI wifi-sec.key-mgmt wpa-psk
nmcli con modify MY-WIFI wifi-sec.psk 'pass1234'

Links
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Networking_Guide/sec-Using_the_NetworkManager_Command_Line_Tool_nmcli.html
https://www.mankier.com/7/nmcli-examples

ip

ip addr show eth0

ip link set eth0 up

ip addr add 192.168.1.33/24 dev eth0

ip addr del 10.0.0.2/24 dev tun2
ip link set tun0 down

ip -4 route get 8.8.8.8

# Links
http://www.tecmint.com/ip-command-examples/
https://tty1.net/blog/2010/ifconfig-ip-comparison_en.html

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