Rocky Linux Essentials Packages Setup Script

rocky-essentials-setup.sh

#!/bin/bash
#
# Rocky Linux Essentials Packages
# By Dimas Restu Hidayanto <dimas.restu@student.upi.edu>
#
# WARNING PLEASE DO WITH YOUR OWN RISK
#
# This instruction will guide you to install
# essentials packages that might be useful for your systems
# or your opeartions
#
# Please do the following command before applying
# ...
# sudo -i
# -- Or --
# su
# ...
#

# Pre-Configure Package Manager
sed -i -e '1,/installonly_limit=5/s/installonly_limit=5/installonly_limit=2/' /etc/yum.conf
ROCKY_VERSION=`grep REDHAT_SUPPORT_PRODUCT_VERSION /etc/os-release | awk -F'"' '{print $2}'`
yum -y install epel-release elrepo-release
sed -i -e "s/^enabled=1/enabled=0/" /etc/yum.repos.d/epel.repo
sed -i -e "s/^enabled=1/enabled=0/" /etc/yum.repos.d/epel-modular.repo
sed -i -e "s/^enabled=1/enabled=0/" /etc/yum.repos.d/elrepo.repo

# Install and Upgrade Base Packages
yum repolist
yum -y update
yum -y --enablerepo=elrepo install yum-utils yum-plugin-versionlock
yum -y --enablerepo=epel install bash bash-completion
yum -y --enablerepo=epel install ca-certificates tzdata
yum -y --enablerepo=epel install sudo sed grep byobu redhat-lsb-core
yum -y --enablerepo=epel install curl wget rsync nano
yum -y --enablerepo=epel install tar gzip bzip2 xz p7zip p7zip-plugins zip unzip
yum -y --enablerepo=epel install e2fsprogs xfsprogs gdisk parted lvm2
yum -y --enablerepo=epel install binutils util-linux logrotate
yum -y --enablerepo=epel install gnupg
yum -y --enablerepo=epel install htop iftop iotop sysstat nmon
yum -y --enablerepo=epel install net-tools netcat socat bind-utils bridge-utils
yum -y --enablerepo=epel install traceroute iputils openssh-clients
yum -y --enablerepo=epel install open-vm-tools

# Install Development Tools Packages
yum -y --enablerepo=epel install python2 python2-devel
yum -y --enablerepo=epel install python3 python3-devel
yum -y --enablerepo=epel install git

# Clean-up Packages
yum -y --enablerepo=epel --enablerepo=elrepo autoremove
yum -y --enablerepo=epel --enablerepo=elrepo clean all
yum -y --enablerepo=epel --enablerepo=elrepo makecache
yum -y --enablerepo=epel --enablerepo=elrepo repolist

# Install Python 2 PIP
wget -q -O - https://bootstrap.pypa.io/pip/2.7/get-pip.py | python2 -
pip2 install --no-cache-dir --upgrade pip setuptools wheel

# Install Python 3 PIP
wget -q -O - https://bootstrap.pypa.io/pip/3.6/get-pip.py | python3 -
ln -sf /usr/local/bin/pip3 /usr/bin/pip3
ln -sf /usr/local/bin/pip3.6 /usr/bin/pip3.6
pip3 install --no-cache-dir --upgrade pip setuptools wheel

# Enable Sysctl Tweaks
cat << EOF >> /etc/sysctl.conf
vm.max_map_count=262144
net.core.somaxconn=4096
net.core.rmem_max=16777216
net.core.wmem_max=16777216
net.core.netdev_max_backlog=2500
net.ipv6.conf.default.disable_ipv6=1
net.ipv6.conf.all.disable_ipv6=1
net.ipv6.conf.lo.disable_ipv6=1
net.ipv6.conf.eth0.disable_ipv6=1
net.ipv4.tcp_mem=116730 155640 233460
net.ipv4.tcp_rmem=4096 87380 16777216
net.ipv4.tcp_wmem=4096 65536 16777216
net.ipv4.tcp_max_orphans=24576
net.ipv4.ip_no_pmtu_disc=0
net.ipv4.conf.all.rp_filter=1
net.ipv4.conf.all.log_martians=1
net.ipv4.conf.all.accept_source_route=0
net.ipv4.conf.all.send_redirects=0
net.ipv4.conf.default.send_redirects=0
net.ipv4.icmp_echo_ignore_broadcasts=1
EOF

# Reload Sysctl
sysctl -p