Overview and download homepage
http://www.elasticsearch.org/overview/elkdownloads/

Prerequirements (Elasticsearch and Logstash are Java packages so please install Java JRE first)

# Install Java JRE package on Debian
apt-get install -y openjre-7-jre

Elasticsearch (distributed restful search and analytics)

# Install Elasticsearch package on Debian
wget https://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-1.3.2.deb -P /tmp
dpkg -i /tmp/elasticsearch-1.3.2.deb

# Enable Elasticsearch daemon
update-rc.d elasticsearch defaults 95 10

# Start Elasticsearch manually
/etc/init.d/elasticsearch start

Logstash (manage events and logs)

# Install Logstash package on Debian
wget https://download.elasticsearch.org/logstash/logstash/packages/debian/logstash_1.4.2-1-2c0f5a1_all.deb -P /tmp
dpkg -i /tmp/logstash_1.4.2-1-2c0f5a1_all.deb

# Optional: Install Logstash contrib package (plug-ins contributed by the community and not supported by Elasticsearch)
wget https://download.elasticsearch.org/logstash/logstash/packages/debian/logstash-contrib_1.4.2-1-efd53ef_all.deb -P /tmp
dpkg -i /tmp/logstash-contrib_1.4.2-1-efd53ef_all.deb

# Enable Logstash daemon by default
update-rc.d logstash defaults 96 10

# Start Logstash manually
/etc/init.d/elasticsearch start

#
# Kibana (webinterface to visualize ElasticSearch data)
#
# Kibana is already included in the Logstash Debian package.
# URL: http://:9292
#
# Optinal: There is also a stand-alone archive avaiable with can by installed on a different webserver:
https://download.elasticsearch.org/kibana/kibana/kibana-3.1.0.tar.gz

# Enable Kibana webservie by default
update-rc.d logstash-web defaults 97 10

# Start Kibana manually
/etc/init.d/logstash-web start

# Optional: configure the Elasticsearch server FQHN
Open config.js and edit the "elasticsearch" parameter to the fully qualified hostname of your Elasticsearch server

Logstash config for apache.log

Install Docker
https://docs.docker.com/engine/install/ubuntu/#install-using-the-repository

# Add Docker's official GPG key:
sudo apt-get update
sudo apt-get install ca-certificates curl
sudo install -m 0755 -d /etc/apt/keyrings
sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
sudo chmod a+r /etc/apt/keyrings/docker.asc

# Add the repository to Apt sources:
echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
  $(. /etc/os-release && echo "${UBUNTU_CODENAME:-$VERSION_CODENAME}") stable" | \
  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt-get update

# Install the latest Docker version
udo apt-get install -y docker-ce #docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

docker info

Deploy Docker CE with Ansible

- name: Install Docker
  become: true
  block:
    - name: Download Docker repository key
      get_url:
        url: https://download.docker.com/linux/ubuntu/gpg
        dest: /etc/apt/keyrings/docker.asc
        mode: '0644'

    - name: Add Docker repository
      ansible.builtin.apt_repository:
        repo: "deb [signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu {{ ansible_lsb.codename }} stable"
        update_cache: yes

    - name: Install docker-ce
      apt:
        name: docker-ce

Deprected

wget -qO- https://raw.githubusercontent.com/panticz/installit/master/install.docker.sh | sudo bash

[embed_url: https://raw.githubusercontent.com/panticz/installit/master/install.docker.sh]

Enable Remote API
https://docs.docker.com/config/daemon/systemd/

Install
https://packages.gitlab.com/gitlab/gitlab-ce/install#manual-deb

curl --location "https://packages.gitlab.com/install/repositories/gitlab/gitlab-ce/script.deb.sh" | sudo bash


curl -fsSL https://packages.gitlab.com/gitlab/gitlab-ce/gpgkey | gpg --dearmor > /usr/share/keyrings/gitlab_gitlab-ce-archive-keyring.gpg
#wget -qO- https://packages.gitlab.com/gpg.key | gpg --no-default-keyring --keyring /usr/share/keyrings/gitlab_gitlab-ce-archive-keyring.gpg --import

/etc/apt/sources.list.d/gitlab_gitlab-ce.list
deb [signed-by=/usr/share/keyrings/gitlab_gitlab-ce-archive-keyring.gpg] https://packages.gitlab.com/gitlab/gitlab-ce/ubuntu $(lsb_release -cs) main
deb-src [signed-by=/usr/share/keyrings/gitlab_gitlab-ce-archive-keyring.gpg] https://packages.gitlab.com/gitlab/gitlab-ce/ubuntu $(lsb_release -cs) main

Old install
[embed_url: https://raw.githubusercontent.com/panticz/installit/master/install.gitlab.sh]

HowTo
http://www.panticz.de/gitlab

Login

http://YOUR_SERVER_IP
user: root
pass: 5iveL!fe

Downloads: GitLab CE Download Archives
https://about.gitlab.com/downloads/archives/

# check instalation
gitlab-rake gitlab:check

# GitLab APT repository
https://packages.gitlab.com/gitlab/gitlab-ce

# rebuild an authorized_keys file
gitlab-rake gitlab:shell:setup

# install specific version
sudo apt-get install -y gitlab-ce=7.10.1~omnibus.1-1

Send email notification
Notify.test_email('foo@example.com', 'GitLab test subject', 'GitLab test message').deliver_now

GitLab backup to s3
https://stackoverflow.com/questions/37553070/gitlab-omnibus-delete-backup-from-amazon-s3/58100385#58100385

# /etc/gitlab/gitlab.rb
gitlab_rails['backup_upload_connection'] = {
  'provider' => 'AWS',
  'region' => 'ew-west-1',
  'aws_access_key_id' => 'foo,
  'aws_secret_access_key' => 'bar',
  'endpoint' => 'https://s3.example.com'
}
gitlab_rails['backup_upload_remote_directory'] = 'backups'

Skip DB migration

apt-get install -y rsnapshot

mv /etc/rsnapshot.conf /etc/rsnapshot.conf.org

cat < /etc/rsnapshot.conf
config_version	1.2
snapshot_root	/media/backup/
logfile		/var/log/rsnapshot.log
verbose		3
loglevel	3

cmd_preexec    /bin/mount /media/backup
cmd_postexec   /bin/umount /media/backup
#backup_script      /usr/local/bin/backup_mysql.sh       localhost/mysql/

cmd_rsync	/usr/bin/rsync
rsync_long_args   --delete --numeric-ids --relative --delete-excluded --copy-links
cmd_ssh		/usr/bin/ssh
ssh_args	-F /home/foo/.ssh/config -i /home/foo/.ssh/id_rsa

interval	daily	7
interval	weekly	3
interval	monthly	1

#exclude	dev/*
exclude		lost+found/*
exclude		mnt/*
exclude		proc/*
exclude		run/*
exclude		sys/*
exclude		tmp/*

include_file	~/etc/backup-server-include.txt
exclude_file	~/etc/backup-server-exclude.txt

# backup remote server
backup	root@www.example.com:/	srv/	+rsync_long_args=--exclude=export/* --exclude=media/*/.Trash* --exclude=video/*

# backup local server
backup		/		www.example.com/	+rsync_long_args=--exclude=mnt/*  --exclude=media/* --exclude=var/lib/lxc/* --exclude=var/lib/lxcfs/*

# backup LXC containers
backup		/var/lib/lxc	    www.example.com/
EOF


# backup-server-exclude.txt 
/*
/var/*
/var/snap/*
/var/snap/lxd/*
/var/snap/lxd/common/*
/var/snap/lxd/common/lxd/*
/var/snap/lxd/common/lxd/database

# rsnapshot/backup-server-include.txt 
/etc
/var
/var/snap
/var/snap/lxd
/var/snap/lxd/common
/var/snap/lxd/common/lxd
/var/snap/lxd/common/lxd/database


rsnapshot -c /etc/rsnapshot.conf daily

Check configuration
rsnapshot configtest

Desktop starter

cat << EOF | sudo tee /usr/share/applications/rsnapshot.desktop
[Desktop Entry]
Name=Backup
Exec=rsnapshot daily
Icon=org.gnome.DejaDup
Type=Application
Terminal=true
Categories=Utility;Archiving;GNOME;GTK;X-GNOME-Utilities;
EOF

Links
https://wiki.archlinux.de/title/Rsnapshot
http://www.rsnapshot.org/howto/1.2/rsnapshot-HOWTO.en.html
http://wiki.ubuntuusers.de/rsnapshot

[embed_url: https://raw.githubusercontent.com/panticz/preseed/master/ipxe/scripts/install_grub_ipxe.sh]

Links
http://packages.ubuntu.com/de/vivid/grub-ipxe
http://ipxe.org/embed

Enable

sed -i 's|[#]*PasswordAuthentication no|PasswordAuthentication yes|g' /etc/ssh/sshd_config
sed -i 's|UsePAM no|UsePAM yes|g' /etc/ssh/sshd_config
service ssh restart

Disable (don´t forget to install pre-shared-key first: http://www.panticz.de/ssh_pre-shared-key_authentication)
[embed_url: https://raw.githubusercontent.com/panticz/scripts/master/disable_ssh_password_authentication.sh]

# LXC
# disable login without password

lxc-attach -n ${CONTAINER} -- sed -i 's|[#]*PasswordAuthentication yes|PasswordAuthentication no|g' /etc/ssh/sshd_config
lxc-attach -n ${CONTAINER} -- sed -i 's|UsePAM yes|UsePAM no|g' /etc/ssh/sshd_config
lxc-attach -n ${CONTAINER} -- service ssh restart

# generate SSH key for root

lxc-attach -n ${CONTAINER} -- ssh-keygen -q -f /root/.ssh/id_rsa -N ''

# 15.05
https://downloads.openwrt.org/chaos_calmer/15.05.1/ar71xx/generic/

# 18.06.3
https://archive.openwrt.org/releases/18.06.3/targets/ar71xx/generic/

flash tl-wr1043nd

URL=http://downloads.openwrt.org/chaos_calmer/15.05.1/ar71xx/generic/openwrt-15.05.1-ar71xx-generic-tl-wr1043nd-v1-squashfs-factory.bin
wget ${URL} -P /tmp
scp /tmp/openwrt-15.05-ar71xx-generic-tl-wr1043nd-v1-squashfs-factory.bin root@192.168.1.111:/tmp/
ssh root@192.168.1.111
echo 3 > /proc/sys/vm/drop_caches
mtd -r write /tmp/openwrt-15.05.1-ar71xx-generic-tl-wr1043nd-v1-squashfs-factory.bin firmware

flash tl-wdr4300

URL=http://downloads.openwrt.org/chaos_calmer/15.05.1/ar71xx/generic/openwrt-15.05.1-ar71xx-generic-tl-wdr4300-v1-squashfs-factory.bin
wget ${URL} -P /tmp
scp /tmp/openwrt-15.05.1-ar71xx-generic-tl-wdr4300-v1-squashfs-factory.bin root@192.168.1.111:/tmp
ssh root@192.168.1.1
mtd -r write /tmp/openwrt-15.05.1-ar71xx-generic-tl-wdr4300-v1-squashfs-factory.bin firmware

telnet 192.168.1.1
passwd
exit

TP-Link TL-WR1043ND OpenWrt
http://wiki.openwrt.org/toh/tp-link/tl-wr1043nd

# OpenWrt Sysupgrade
http://wiki.openwrt.org/doc/howto/generic.sysupgrade

#
# reset settings
#
# failsave
http://wiki.openwrt.org/de/doc/howto/generic.failsafe

#
# flash
#
# configure ip
echo "nameserver 192.168.1.5" > /etc/resolv.conf
ifconfig br-lan 192.168.1.111 up
route add default gw 192.168.1.5

# free memory
echo 3 > /proc/sys/vm/drop_caches

arcconf GETLOGS 1 DEVICE 

# list logical devices
arcconf GETCONFIG 1 LD

# list phisical devices
arcconf GETCONFIG 1 PD

# start adaptec verifi
arcconf TASK START 1 DEVICE 0 0 VERIFY

arcconf GETSTATUS 1

# create JBOD on all devices
# get device count
COUNT=$(arcconf GETCONFIG 1 PD | grep "Hard drive" | wc -l)

# create JBOD on all devices
for CHANNEL in `echo $(seq 1 ${COUNT})`; do
    CHANNEL=$((CHANNEL-1))
    echo ${CHANNEL}

    arcconf CREATE 1 JBOD 0 ${CHANNEL} noprompt
done

# delete devices
arcconf DELETE 1 LOGICALDRIVE ALL noprompt

# delete all JBOD devices
arcconf DELETE 1 JBOD ALL noprompt

# create RAID 10
arcconf CREATE 1 LOGICALDRIVE MAX 10 0 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 noprompt

Links
http://wiki.hetzner.de/index.php/Adaptec_RAID_Controller/en
http://www.thomas-krenn.com/de/wiki/Festplattenausfall_bei_Adaptec_RAID_Controller_mit_ARCCONF_beheben

Jameica + Hibiscus with PayPal
https://hibiscus-mashup.derrichter.de/index.php/download

wget https://hibiscus-setup.derrichter.de/Jameica-Hibiscus_Linux_x64-Installer.run -qO /tmp/Jameica-Hibiscus_Linux_x64-Installer.run
chmod +x /tmp/Jameica-Hibiscus_Linux_x64-Installer.run
/tmp/Jameica-Hibiscus_Linux_x64-Installer.run
rm /tmp/Jameica-Hibiscus_Linux_x64-Installer.run

[embed_url: https://raw.githubusercontent.com/panticz/installit/master/install.hibiscus.sh]

Ansible playbook

https://github.com/panticz/ansible/tree/master/roles/hibiscus
- hosts: localhost
  roles:
    - hibiscus

PayPal account
https://www.paypal.com/businessprofile/mytools/apiaccess/firstparty/signature
https://hibiscus-mashup.derrichter.de/index.php/faq/79-hibiscus-mashup/96-paypal-api#api-signaturdaten-api-benutzername-und-api-unterschrift-selbst-manuell-in-hibiscus-eintragen

Links
https://www.willuhn.de/wiki/doku.php?id=support:ubuntu_18.04_64bit
https://wiki.ubuntuusers.de/Hibiscus/
http://www.willuhn.de/products/jameica/download.php
http://www.willuhn.de/products/hibiscus/download.php
https://www.willuhn.de/wiki/doku.php?id=support:bezugsquellen
http://www.heise.de/download/linux/office/finanzsoftware/homebanking-50003505037/

Check latest LINPACK version
https://software.intel.com/en-us/articles/intel-mkl-benchmarks-suite

# https://software.intel.com/sites/default/files/managed/cc/19/l_mklb_p_2019.6.005.tgz

configure parameter

export MKL_DYNAMIC=false
export OMP_NUM_THREADS=4

Run LINPACK

wget https://raw.githubusercontent.com/panticz/scripts/master/run_linpack.sh -qO- | bash

[embed_url: https://raw.githubusercontent.com/panticz/scripts/master/run_linpack.sh]

Install LINPACK
[embed_url: https://raw.githubusercontent.com/panticz/installit/master/install.linpack.sh]

Get CPU info

CPU=$(cat /proc/cpuinfo | grep "model name" | tail -1)
COUNT=$(cat /proc/cpuinfo | grep processor | wc -l)

echo "
CPU   : ${CPU}
COUNT : ${COUNT}
"

Links
http://www.roylongbottom.org.uk/linpack%20results.htm