Install GitLab

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

#!/bin/bash

# ensure that this script is run by root
if [ $(id -u) -ne 0 ]; then
    sudo $0
    exit
fi

# install required packages
apt-get install -y ca-certificates curl cron

#  bypass the apt-cacher-ng proxy
echo 'Acquire::HTTP::Proxy::packages.gitlab.com "DIRECT";' > /etc/apt/apt.conf.d/99_gitlab

# download GitLab installation script
curl -s https://packages.gitlab.com/install/repositories/gitlab/gitlab-ce/script.deb.sh | bash

# workaround for PostgreSQL shmmax issue
echo "kernel.shmmax=17179869184" >> /etc/sysctl.d/90-shmmax.conf
/sbin/sysctl -p /etc/sysctl.d/90-shmmax.conf

# install GitLab Community Edition
apt-get install -y gitlab-ce

# configure domain
sed -i "s|gitlab.example.com|$(hostname -A | tr -d ' ')|g" /etc/gitlab/gitlab.rb
gitlab-ctl reconfigure

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

Links
https://packages.gitlab.com/gitlab/gitlab-ce/install
https://packages.gitlab.com/gitlab/gitlab-ce/
https://about.gitlab.com/downloads/
https://gitlab.com/gitlab-org/omnibus-gitlab/blob/master/README.md#installation
https://www.gitlab.com/2014/02/14/gitlab-is-now-simple-to-install/
https://about.gitlab.com/downloads/archives/ - old GitLab packages archive

rsnapshot

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
# cmd_ssh /usr/bin/ssh

interval daily 7
interval weekly 3
interval monthly 1

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

Tomcat configuration

wget https://raw.githubusercontent.com/panticz/installit/master/install.tomcat.sh -O - | bash -

#!/bin/bash

# ensure that this script is run by root
if [ $(id -u) -ne 0 ]; then
  sudo $0
  exit
fi

# install Java JDK
wget -q https://raw.githubusercontent.com/panticz/installit/master/install.java-jdk.sh -O - | bash -

# install tomcat
apt-get install -y tomcat8

# OPTIONAL: configure JAVA_HOME
echo "JAVA_HOME=/usr/lib/jvm/$(ls /usr/lib/jvm | grep oracle | tail -1)" >> /etc/default/tomcat?

# configure tomcat to linsten on port 80 instead of default 8080
sed -i 's|port="8080"|port="80"|g' /etc/tomcat?/server.xml

# bind to a privileged port
sed -i 's|#AUTHBIND=no|AUTHBIND=yes|g' /etc/default/tomcat?

# restart tomcat
service tomcat8 restart

# start
export JAVA_HOME=/usr/lib/jvm/jdk1.6.0
export JAVA_OPTS="$JAVA_OPTS -Xmx256m"
/usr/local/apache-tomcat-5.5.20/bin/startup.sh

# deploy
/opt/SDK2/bin/asadmin deploy /tmp/Intranet.war

# change default port from 8080 to 80

# log directory
/var/log/tomcat6

# redirect by default to a app
mv /var/lib/tomcat6/webapps/ROOT/index.html /var/lib/tomcat6/webapps/ROOT/index.old.html
cat < /var/lib/tomcat6/webapps/ROOT/index.html

EOF

# manager
http://YOUR_TOMCAT_IP/manager/html/

# apache module
mod_jk

# LINKS
http://wiki.ubuntuusers.de/Tomcat
http://linux-sxs.org/internet_serving/c581.html
http://shrubbery.mynetgear.net/c/display/W/Disable+Directory+Listing+in+Tomcat
http://wiki.ubuntuusers.de/Tomcat

# https://intranet.sedo.de.intern/confluence/pages/viewpage.action?title=Enable+SSL+in+Tomcat&spaceKey=SOA
# https://ssl-trust.com/ssl-zertifikat-installieren/tomcat
# http://www.torsten-horn.de/techdocs/ssl.htm

UnixBench

# install required packages for compile
apt-get install -y build-essential
# perl perl-modules make

# download
wget -q http://byte-unixbench.googlecode.com/files/UnixBench5.1.3.tgz -O /tmp/UnixBench.tar.gz
tar -C /tmp/ -xzf /tmp/UnixBench.tar.gz
cd /tmp/UnixBench

# patch > 16 core limitation, https://code.google.com/p/byte-unixbench/issues/detail?id=4
wget --no-check-certificate "https://byte-unixbench.googlecode.com/issues/attachment?aid=-1645413311807741160&name=fix-limitation.patch&token=ABZ6GAfTt_8YARok5-o9WLVQDWrlCoUdQw%3A1399886165120" -O /tmp/fix-limitation.patch

Ubuntu: Install Nemo file manager

wget https://raw.githubusercontent.com/panticz/installit/master/install.nemo.sh -O - | bash -

#!/bin/bash

sudo add-apt-repository -y ppa:webupd8team/nemo
sudo apt-get update
sudo apt-get install -y nemo

Links
http://www.webupd8.org/2013/10/install-nemo-with-unity-patches-and.html

Boot iPXE from harddisc (Network booting from GRUB using iPXE)

wget -q https://raw.githubusercontent.com/panticz/preseed/master/ipxe/scripts/install_grub_ipxe.sh -O - | bash -

#!/bin/bash

# ensure that this script is run as root
if [ $(id -u) -ne 0 ]; then
  sudo $0
  exit
fi

# download GRUB iPXE boot image
wget -q http://dl.panticz.de/ipxe/ipxe.lkrn -O /boot/ipxe.lkrn

# create GRUB menu entry
wget -q https://raw.githubusercontent.com/panticz/preseed/master/ipxe/scripts/grub/49_ipxe -O /etc/grub.d/49_ipxe 
chmod a+x /etc/grub.d/49_ipxe

# update GRUB config
. /etc/os-release
case ${ID} in
  fedora)
    grub2-mkconfig -o /boot/grub2/grub.cfg
  ;;
  debian|ubuntu)
    update-grub
  ;;
  *)
    echo "Distribution not supported. Please upgrade grub configuration manually"
esac

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

Install LXC (Linux Containers) under Ubuntu

Installation
http://www.panticz.de/install_lxc

Create container
export LANG=en_US.UTF-8
export CONTAINER=wheezy

sudo sudo lxc-destroy -n ${CONTAINER}
sudo lxc-create -t debian -n ${CONTAINER}
sudo lxc-start -d -n ${CONTAINER}

echo 'Acquire::http::Proxy "http://apt-cacher:3142/";' | sudo tee /var/lib/lxc/${CONTAINER}/rootfs/etc/apt/apt.conf

sudo lxc-attach -n ${CONTAINER} -- apt-get clean
sudo lxc-attach -n ${CONTAINER} -- apt-get update
sudo lxc-attach -n ${CONTAINER} -- apt-get dist-upgrade -y

Create CentOS 6 DomU

wget https://raw.githubusercontent.com/panticz/xen/master/domains/centos.6.sh -O - | bash -

#!/bin/bash

#
# IP    : dhcp
# user  : root
# pass  : t00r
#

#
# TODO
# use separate partitions for root (/dev/vg0/centos6-disk) and swap (/dev/vg0/centos6-swap) instead of harddisk image
#

# create disk
lvcreate --name centos6-disk --size 8G vg0

# download installation kernel and initrd
[ -d /tmp/centos6 ] || mkdir /tmp/centos6
wget -q http://mirror.netcologne.de/centos/6/os/x86_64/images/pxeboot/initrd.img -O /tmp/centos6/initrd.img
wget -q http://mirror.netcologne.de/centos/6/os/x86_64/images/pxeboot/vmlinuz -O /tmp/centos6/vmlinuz

# create installation configuration
cat <<EOF> /tmp/centos6-inst
kernel      = '/tmp/centos6/vmlinuz'
ramdisk     = '/tmp/centos6/initrd.img'
memory      = '512'
disk        = [ 'phy:/dev/vg0/centos6-disk,xvda,w' ]
name        = 'centos6-inst'
dhcp        = 'dhcp'
vif         = [ 'mac=00:00:00:00:ce:ce' ]
on_poweroff = 'destroy'
on_reboot   = 'destroy'
on_crash    = 'destroy'
extra       = "text ip=dhcp ks=http://preseed.panticz.de/preseed/centos6-minimal.cfg"
EOF

# install
xm create -c /tmp/centos6-inst

# create CenOS 6 configuration
cat <<EOF> /etc/xen/centos6
bootloader  = "/usr/lib/xen-4.1/bin/pygrub"
memory      = '512'
disk        = [ 'phy:/dev/vg0/centos6-disk,xvda,w' ]
name        = 'centos6'
dhcp        = 'dhcp'
vif         = [ 'mac=00:00:00:00:ce:ce' ]
on_poweroff = 'destroy'
on_reboot   = 'restart'
on_crash    = 'restart'
EOF

# OPTIONAL: add to autostart
ln -s /etc/xen/centos6 /etc/xen/auto/centos6

# start CenOS 6
xm create -c centos6

Links
http://www.centos.org/docs/5/html/Installation_Guide-en-US/s1-kickstart2-startinginstall.html

Create IPfire DomU (firewall)

Check for latest IPFire version
http://downloads.ipfire.org/

wget https://raw.githubusercontent.com/panticz/xen/master/domains/ipfire.sh -O - | bash -

#!/bin/bash

URL=http://downloads.ipfire.org/releases/ipfire-2.x/2.15-core79/ipfire-2.15.xen.i586-downloader-core79.tar.bz2

# download
wget -q ${URL} -O - | tar -C /tmp -xjf -
bash /tmp/ipfire/xen-image-maker.sh

# copy data to lvm
mkdir -p /tmp/ipfire/mnt/

# copy boot filesystem
lvcreate --name fw-boot --size 256M vg0
mkfs.ext2 /dev/vg0/fw-boot
#mount /tmp/ipfire/ipfire-boot.img /tmp/ipfire/mnt/ -o loop
mount ipfire-boot.img /tmp/ipfire/mnt/ -o loop
mount /dev/vg0/fw-boot /mnt/
cp -a  /tmp/ipfire/mnt/* /mnt/
umount /tmp/ipfire/mnt/
umount /mnt/

# copy root filesystem
lvcreate --name fw-root --size 2G vg0
mkfs.ext4 /dev/vg0/fw-root
#mount /tmp/ipfire/ipfire-root.img /tmp/ipfire/mnt/ -o loop
mount ipfire-root.img /tmp/ipfire/mnt/ -o loop
mount /dev/vg0/fw-root /mnt/
cp -a  /tmp/ipfire/mnt/* /mnt/
umount /tmp/ipfire/mnt/
umount /mnt/

# copy var filesystem
lvcreate --name fw-var --size 2G vg0
mkfs.ext4 /dev/vg0/fw-var
#mount /tmp/ipfire/ipfire-var.img /tmp/ipfire/mnt/ -o loop
mount ipfire-var.img /tmp/ipfire/mnt/ -o loop
mount /dev/vg0/fw-var /mnt/
cp -a  /tmp/ipfire/mnt/* /mnt/
umount /tmp/ipfire/mnt/
umount /mnt/

# create swap
lvcreate --name fw-swap --size 1G vg0
mkswap /dev/vg0/fw-swap


# clean up
rm -r /tmp/ipfire*

# create xen config file
cat <<EOF> /etc/xen/fw
bootloader = '/usr/lib/xen-4.1/bin/pygrub'
memory = 512
name = 'fw'
acpi = 1
apic = 1
vif = [ 'mac=00:17:4e:be:b1:ba' ]
disk = [
    'phy:/dev/vg0/fw-boot,xvda1,w',
    'phy:/dev/vg0/fw-swap,xvda2,w',
    'phy:/dev/vg0/fw-root,xvda3,w',
    'phy:/dev/vg0/fw-var,xvda4,w'
]
pci = ['00:0c.0']
extra = 'iommu=soft'
EOF

# OPTIONAL: autostart
ln -s /etc/xen/fw /etc/xen/auto/01_fw

# TODO (automate)
rmmod e100
rmmod xen-pciback
modprobe xen-pciback 'hide=(00:0c.0)'
xm pci-list-assignable-devices

# start domU
xm create -c fw

# OPTIONAL
sed -i 's|phy:/dev/vg0/fw-|file:/root/ipfire-|g' /etc/xen/fw
sed -i 's|,xvda|.img,xvda|g' /etc/xen/fw

# configure ipfire in terminal

# webinterface
https://YOUR_DOMU_IP:444

# Links
http://wiki.ipfire.org/de/addons/virtualisation/howto/debian_wheezy_xen_4.1?&#debian_wheezy_mit_xen_41_als_dom0
http://wiki.ipfire.org/de/addons/virtualisation/howto/debian_als_dom0_xen#xen_und_kernel_installieren
http://wiki.ipfire.org/de/addons/virtualisation/howto/debian_xen_4.x

Magento Cache

get all cache types
Mage::app()->getCacheInstance()->getTypes();

types
Mage::app()->getCacheInstance()->cleanType('config');
Mage::app()->getCacheInstance()->cleanType('layout');
Mage::app()->getCacheInstance()->cleanType('block_html');
Mage::app()->getCacheInstance()->cleanType('translate');
Mage::app()->getCacheInstance()->cleanType('collections');
Mage::app()->getCacheInstance()->cleanType('eav');
Mage::app()->getCacheInstance()->cleanType('config_api');

clear cache
Mage::app()->cleanCache();

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