Aleksey Deryagin coder4web

## pgbouncer_centos8.sh
# https://www.pgbouncer.org/install.html
# sudo dnf install pgbouncer
# Problem: package pgbouncer requires python-psycopg2, but none of the providers can be installed
# https://www.pgbouncer.org/install.html#building

sudo dnf install libevent libevent-devel

# https://www.pgbouncer.org/downloads/
wget -c https://www.pgbouncer.org/downloads/files/1.12.0/pgbouncer-1.12.0.tar.gz
tar xvfz pgbouncer-1.12.0.tar.gz

## postgresql_install.sql
# RHEL / CentOS 8
# https://www.postgresql.org/download/linux/redhat/
# https://www.postgresql.org/docs/current/runtime.html
dnf install https://download.postgresql.org/pub/repos/yum/reporpms/EL-8-x86_64/pgdg-redhat-repo-latest.noarch.rpm
dnf install postgresql12 postgresql12-server

# Fedora 31
dnf install https://download.postgresql.org/pub/repos/yum/reporpms/F-31-x86_64/pgdg-fedora-repo-latest.noarch.rpm
dnf install postgresql12 postgresql12-server

## mysql_monit.sql
-- all databases sizes
SELECT table_schema AS "Database",
ROUND(SUM(data_length + index_length) / 1024 / 1024, 2) AS "Size (MB)"
FROM information_schema.TABLES
GROUP BY table_schema;

-- sizes of all of the tables in a specific database
SELECT table_name AS "Table",
ROUND(((data_length + index_length) / 1024 / 1024), 2) AS "Size (MB)"
FROM information_schema.TABLES

## postgrespro.sh
# @see https://postgrespro.ru/docs/postgrespro/11/binary-installation-on-linux.html

#-------------------------------
# Debian 8/9/10:
#-------------------------------
sudo apt-get install lsb-release
sudo sh -c 'echo "deb http://repo.postgrespro.ru/pgpro-11/debian $(lsb_release -cs) main" > /etc/apt/sources.list.d/postgrespro.list'
wget --quiet -O - http://repo.postgrespro.ru/pgpro-11/keys/GPG-KEY-POSTGRESPRO | sudo apt-key add -
sudo apt-get update

## osm_tile_server_centos7.sh
# Based on next manuals:
# Ubuntu 18.04 LTS: https://switch2osm.org/manually-building-a-tile-server-18-04-lts/
# CentOS 7 - https://www.keisan.io/en/knowledgebase/centos-7-open-street-map-tile-server
# CentOS 6 - http://gis-lab.info/qa/mod_tile.html#.D0.9D.D0.B0.D1.81.D1.82.D1.80.D0.BE.D0.B9.D0.BA.D0.B0_renderd (on Russian)
# Updated to latest CentOS / deps packages

# Dependencies
sudo yum install git libpng libtiff libjpeg freetype gdal cairo cairo-devel pycairo sqlite geos boost curl libcurl libicu bzip2-devel libpng-devel libtiff-devel zlib-devel libjpeg-devel libxml2-devel python-setuptools proj-devel proj proj-epsg proj-nad freetype-devel libicu-devel gdal-devel sqlite-devel libcurl-devel cairo-devel pycairo-devel geos-devel protobuf-devel protobuf-c-devel lua-devel cmake proj boost-thread proj-devel autoconf automake libtool pkgconfig ragel gtk-doc glib2 glib2-devel libpng libpng-devel libwebp libtool-ltdl-devel python-devel harfbuzz harfbuzz-devel harfbuzz-icu boost-devel cabextract xorg-x11-font-util

## ubuntu_dualboot.sh
# boot - How can I reinstall GRUB to the EFI partition? - Ask Ubuntu
# https://askubuntu.com/a/831241/19938
# Note : sdX = disk | sdXX = efi partition | sdXXX = system partition
sudo mount /dev/sdXXX /mnt
sudo mount /dev/sdXX /mnt/boot/efi
for i in /dev /dev/pts /proc /sys /run; do sudo mount -B $i /mnt$i; done
sudo chroot /mnt
grub-install /dev/sdX
update-grub

## postgresql_roles.sql
\z

-- Full access
GRANT ALL privileges ON DATABASE db TO admin_user;
GRANT ALL ON schema public TO admin_user;
GRANT ALL ON ALL TABLES IN SCHEMA public TO admin_user;
GRANT USAGE, SELECT ON ALL SEQUENCES IN SCHEMA public TO admin_user;

-- Read-only access
CREATE ROLE readonly;

## zabbix_setup.sh
# ------------------------
# agent
# ------------------------
sudo rpm -ivh http://repo.zabbix.com/zabbix/3.4/rhel/7/x86_64/zabbix-release-3.4-2.el7.noarch.rpm
sudo yum list zabbix-agent
sudo yum install zabbix-agent
sudo firewall-cmd --zone=public --add-port=10050/tcp
sudo firewall-cmd --zone=public --add-port=10050/tcp --permanent
sudo semanage permissive -a zabbix_agent_t
sudo systemctl enable zabbix-agent.service

## vertica_monit.sql
-- List of schemas
\dn

-- list all tables
\dt

-- list only tables with "public" schema
\dt public.*

-- database size

## centos_kernel_upgrade.sh
# @see https://www.tecmint.com/install-upgrade-kernel-version-in-centos-7/

uname -sr
# Linux 3.10.0-1062.1.1.el7.x86_64

rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-3.el7.elrepo.noarch.rpm
yum --disablerepo="*" --enablerepo="elrepo-kernel" list available
yum --enablerepo=elrepo-kernel install kernel-ml