| awk -F\' '$1=="menuentry " || $1=="submenu " {print i++ " : " $2}; /\tmenuentry / {print "\t" i-1">"j++ " : " $2};' /boot/grub/grub.cfg |
| # flush iptable rules | |
| iptables -F | |
| iptables -t nat -F | |
| iptables -t nat -X | |
| iptables -t mangle -F | |
| iptables -t mangle -X | |
| # Allowing DNS lookups (tcp, udp port 53) | |
| iptables -A OUTPUT -p tcp --dport 53 -m state --state NEW,ESTABLISHED -j ACCEPT | |
| iptables -A INPUT -p tcp --dport 53 -m state --state NEW,ESTABLISHED -j ACCEPT |
| #!/bin/bash | |
| # blog: https://sysadmins.co.za/mail-server-virtual-users-mysql-postfixadmin-on-centos/ | |
| # dependencies | |
| yum update -y | |
| yum --enablerepo=centosplus install postfix mailx mutt -y | |
| yum install dovecot mysql-server dovecot-mysql cyrus-sasl cyrus-sasl-devel -y | |
| # mysql configuration | |
| chkconfig mysqld on |
| #!/bin/bash | |
| echo -e "\nLista de Inodes do diretório: $(pwd)\n\n" ; for d in `find -maxdepth 1 -type d |cut -d\/ -f2 |grep -xv . |sort`; do c=$(find $d |wc -l) ; echo -e "$c\t\t- $d"; done | sort -nr ;echo -e "\nTotal: \t\t$(find $(pwd) | wc -l)" |
Following script may be used for configuring complete and secure email server on fresh install of Debian 9. It will probably work on other distributions using apt-get. After minor changes you'll be able to use it on other Linux distros.