Month: June 2020

Automate Installation – CentOS with Lamp Stack

Posted on by Admin

One Click Installation

This will configure WebServer with up httpd, mysql, ftp, php, samba.

#!/bin/bash

#IPTables
service iptables stop
chkconfig iptables off

#SELinux Disable - Completely
setenforce 0
SELINUX=disabled
sed -i 's/SELINUX= .*/SELINUX= '${SELINUX}'/' /etc/selinux/config

#Update
yum insall -y update
yum install -y upgrade

#Install httpd
yum install -y httpd
service httpd start
chkconfig httpd on

#Install MySQL Server 5.7
wget https://dev.mysql.com/get/mysql57-community-release-el6-11.noarch.rpm
rpm -ivh mysql57-community-release-el6-11.noarch.rpm
yum clean all
yum install -y mysql mysql-server php-mysql
service mysqld start
chkconfig mysqld on

#Add EPEL Repository
wget http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
rpm -ivh epel-release-6-8.noarch.rpm

#Install PHP
yum install -y php php-gd php-mysql php-mcrypt

#Create info.php
cat << EOF > /var/www/html/info.php;

EOF

#HTTPD php.ini - /etc/php.ini
max_execution_time=18000
memory_limit=2048M
upload_max_filesize=32M
sed -i.orignal 's/memory_limit = .*/memory_limit = '${memory_limit}'/' /etc/php.ini
sed -i 's/max_execution_time = .*/max_execution_time = '${max_execution_time}'/' /etc/php.ini
sed -i 's/upload_max_filesize = .*/upload_max_filesize = '${upload_max_filesize}'/' /etc/php.ini

#Install and Configure FTP
yum install -y vsftpd
service	vsftpd start
chkconfig vsftpd on

#Change Owner of HTML Folder (This is for the permission to FTP and Samba)
chown -R ftp_user:ftp_users /var/www/html

#FTP Config vsftpd.conf - /etc/vsftpd/vsftpd.conf (Change configuration file directly with SED Command)
sed -i.orignal 's/anonymous_enable=YES/anonymous_enable=NO /etc/vsftpd/vsftpd.conf
sed -i 's/local_enable=YES/local_enable=NO/' /etc/vsftpd/vsftpd.conf

#FTP User
useradd -s /sbin/nologin -d /var/www/html ftp_user
groupadd ftp_users
usermod -aG ftp_users ftp_user
chown -R root:ftp_users /var/www/html
passwd ftp_user

#Samba configuration (Optional - If required can be installed)
yum install -y samba samba-client samba-common
service smb start
mv /etc/samba/smb.cnf /etc/samba/smb.cnf.bak
chkconfig smb on
echo -e "path= /var/www/html/ \npublic=no \nbrowsable = no \nwritable = yes \nprintable = no \write list = @ftp_users" >> /etc/samba/smb.conf
service smb restart
smbpasswd -a ftp_user

For More videos go to – https://www.youtube.com/channel/UCIUmpO3KBHPMtgzMA6p0IhA

Automate Installation – Ubuntu with JDK & Tomcat

Posted on by Admin

Update OS and Install required packages


apt-get update -y;
apt-get install gdebi -y;
apt-get install vim -y;
apt-get install nano -y;
apt-get install htop -y;
apt-get install unzip -y;
apt-get install python -y;

Install JDK

apt-get install default-jdk -y;
add-apt-repository ppa:webupd8team/java -y;
apt-get update -y;

Install Mysql | Kindly update password


sudo debconf-set-selections <<< 'mysql-server-5.7 mysql-server/root_password password password' 
sudo debconf-set-selections <<< 'mysql-server-5.7 mysql-server/root_password_again password password' 
apt-get -y install mysql-server-core-5.7 mysql-server-5.7 mysql-client-5.7;
service mysql start;

Install AWS CLI on Linux


curl "https://s3.amazonaws.com/aws-cli/awscli-bundle.zip" -o "awscli-bundle.zip"
unzip awscli-bundle.zip
./awscli-bundle/install -i /usr/local/aws -b /usr/local/bin/aws

Tomcat Installation (Update the Version which is required by your application)


groupadd tomcat
useradd -s /bin/false -g tomcat -d /opt/tomcat tomcat
cd /tmp/
curl -O http://redrockdigimark.com/apachemirror/tomcat/tomcat-8/v8.5.30/bin/apache-tomcat-8.5.30.tar.gz 
mkdir /opt/tomcat
tar xzvf apache-tomcat-8.5.30.tar.gz -C /opt/tomcat --strip-components=1
cd /opt/tomcat 
chgrp -R tomcat /opt/tomcat
chmod -R g+r conf
chmod g+x conf
chown -R tomcat webapps/ work/ temp/ logs/
update-java-alternatives -l

Create Service for Tomcat


touch /etc/systemd/system/tomcat.service
cd /etc/systemd/system/

Service File Update (File – /etc/systemd/system/tomcat.service)


cat <> tomcat.service;
[Unit]
Description=Apache Tomcat Web Application Container
After=network.target

[Service]
Type=forking

Environment=JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-amd64/jre
Environment=CATALINA_PID=/opt/tomcat/temp/tomcat.pid
Environment=CATALINA_HOME=/opt/tomcat
Environment=CATALINA_BASE=/opt/tomcat
Environment='CATALINA_OPTS=-Xms512M -Xmx1024M -server -XX:+UseParallelGC'
Environment='JAVA_OPTS=-Djava.awt.headless=true -Djava.security.egd=file:/dev/./urandom'

ExecStart=/opt/tomcat/bin/startup.sh
ExecStop=/opt/tomcat/bin/shutdown.sh

User=tomcat
Group=tomcat
UMask=0007
RestartSec=10
Restart=always

[Install]
WantedBy=multi-user.target
EOF

Start Service


systemctl daemon-reload
systemctl start tomcat
systemctl enable tomcat

Add User for Tomcat Manager (Change your Username and Password as per your needs)


sed -i '22i\' /opt/tomcat/conf/tomcat-users.xml

Allow IP Address for Accessing Tomcat Manager App


cp /opt/tomcat/webapps/manager/META-INF/context.xml /opt/tomcat/webapps/manager/META-INF/context.orignal.xml
cp /opt/tomcat/webapps/host-manager/META-INF/context.xml /opt/tomcat/webapps/host-manager/META-INF/context.original.xml

Delete line number 19 to 21 (File – /opt/tomcat/webapps/manager/META-INF/context.xml)


sed -i '18,20d' /opt/tomcat/webapps/manager/META-INF/context.xml

Add below lines in between i.e 19,20 and 21 number. (File – /opt/tomcat/webapps/manager/META-INF/context.xml)


sed -i '18i\' /opt/tomcat/webapps/manager/META-INF/context.xml
sed -i '19i\'  /opt/tomcat/webapps/manager/META-INF/context.xml #kindly update IP Address

Delete line number 19 to 21 (File – /opt/tomcat/webapps/host-manager/META-INF/context.xml)


sed -i '18,20d' /opt/tomcat/webapps/host-manager/META-INF/context.xml

Add below lines in between i.e 18,19 and 20 number. (File – /opt/tomcat/webapps/host-manager/META-INF/context.xml)


sed -i '18i\' /opt/tomcat/webapps/host-manager/META-INF/context.xml
sed -i '19i\'  /opt/tomcat/webapps/host-manager/META-INF/context.xml #kindly update IP Address

Remove version string from HTTP error messages


cd /opt/tomcat/lib
jar xf catalina.jar /opt/tomcat/lib/org/apache/catalina/util/ServerInfo.properties
sed -i '16,17d' /opt/tomcat/lib/org/apache/catalina/util/ServerInfo.properties
sed -i '16i\server.info=Apache Tomcat' /opt/tomcat/lib/org/apache/catalina/util/ServerInfo.properties
jar uf catalina.jar org/apache/catalina/util/ServerInfo.properties
rm -rf /opt/tomcat/lib/org

Move unwanted Folders from WebApps Folder to Tmp


mv /opt/tomcat/webapps/examples /tmp
mv /opt/tomcat/webapps/docs /tmp

For More videos go to – https://www.youtube.com/channel/UCIUmpO3KBHPMtgzMA6p0IhA

Best Practices – To be Cyber Safe

Posted on by Admin
  • Change Password of your important accounts frequently (Banking, Email Accounts, Social Media Accounts). 
  • Use Strong password.
  • Different password for different accounts.
  • Do not click on any unwanted links. There are many links getting circulated on Email, WhatsApp or any other platforms.
  • Avoid Net Banking / Phone banking – Until it is absolutely necessary.
  • Temporarily Disabling – UPI based transaction.
  • Do not link multiple Bank Accounts with Payment Apps like – Google Pay, Amazon Pay, Paytm etc. 
  • Use – Trusted Computer for transaction, online banking.
  • Use – Trusted Network (Wi-Fi) connection for transaction & online banking.
  • If you have multiple bank accounts, then it is recommended to use Online transaction / UPI linking with bank account which has minimum account balance. (for example, 5K or 10K). This is to reduce the risk of loss.
  • Disable Online banking for the accounts where it is not required. 12. Social Media Accounts – Secure those accounts where no one can see your personal information.
  • Enable 2-Factor Authentication wherever possible.
  • Remove Unwanted Apps from your Phone / PC.
  • Do not install any application if you don’t trust.
  • Keep your phone and system updated with latest patches.
  • Remove Apps which collects and stores your Data. Read Agreement before installation or giving permission to application.
  • Keep yourself updated with Cyber threat news. You can subscribe to any websites.

Cyber Awareness

Posted on by Admin
Cyber Awareness

Cyber Awareness !! One of the most important thing. If we have knowledge and if we are aware of Best practices, Threats, Risk and Prevention Steps. Then we will be able to safe guard our selves and help others too.