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Static NAT (SNAT) object network obj-192.168.1.100  host 192.168.1.100  nat (inside,outside) static 192.166.1.101 dns PAT Allow outside connections targeting TCP port 80 to redirect to internal port 8080. object network obj-192.166.1.101-srv_8080 host 1...

Create raid: Raid levels can be changed with: --level=1 // --level=0 // --level=5 Raid 1 mdadm --create --verbose /dev/md0 --level=1 --raid-devices=2 /dev/sdX /dev/sdX Raid 5 mdadm --create --verbose /dev/md0 --level=5 --raid-devices=3 /dev/sdX /dev/sdX /...

Check raid card: lspci | grep -i raid Ubuntu/Debian: apt-get install alien # Convert to .deb alien -k --scripts filename.rpm # Install .deb dpkg -i filename.deb CentOS/Other: https://docs.broadcom.com/docs-and-downloads/raid-controllers/raid-contr...

If OS keeps booting in recovery, this is how you can fix it: Open the CMD in the windows live cd and start diskpart and list the disks that are available: diskpart list disk Select the disk for the OS sel disk 0 List the volumes inside that disk: list...

What is Fail2Ban: Fail2Ban is an intrusion prevention tool to prevent brute-force attacks or heavy requests that are repetitive and insecure. Once you create a jail and create a filter for that jail, fail2ban will analyze the regex used in the filter to sc...

Before starting the bootable media, if you are on a GTX 10XX, the interface will not load properly, to fix this in the arch iso boot menu, click on the "e" key and add "nouveau.modeset=0" at the end of grub cfdisk /dev/sda Create 3 partitions as listed below...

Normal grub install (root@server) # grub     GNU GRUB version 0.97 (640K lower / 3072K upper memory)   [ Minimal BASH-like line editing is supported. For the first word, TAB     lists possible command completions. Anywhere else TAB lists the possible ...

iptables arguments -t = table, -X = del chain, -i = interface Deleting a line: iptables -L --line-numbersiptables -D (CHAIN) (LINE NUMBER) Nating: example for FTP NAT:  iptables -t nat -A PREROUTING -p tcp --dport 21 -j DNAT --to-destination 192.168.1.10...

If you have 2 files, a key and a crt, you can use the following command in linux/osx or cygwin with openssl: openssl pkcs12 -export -out ssl_cert.pfx -inkey priv_key.key -in the_crt_file.crt  To Install an Intermediate Certificate in Microsoft IIS 7 Cl...

  To get a sorted list of email sender in exim mail queue. It will show the number of mails send by each one. exim -bpr | grep "<" | awk {'print $4'} | cut -d "<" -f 2 | cut -d ">" -f 1 | sort -n | uniq -c | sort -n List mail ID's for that account:...

Apache vhost vim /etc/httpd/conf/httpd.conf add ( include vhosts/*.conf ) at the bottom mkdir /etc/httpd/vhosts vim /etc/httpd/vhosts/domains.conf ####################### ### NO SSL ### ####################### <VirtualHost *:80> Doc...

Downloading Nagios Core: https://www.nagios.org/downloads/nagios-core/thanks/?t=1500128149 Installing Nagios Core: Installation is really easy just follow the guide: https://assets.nagios.com/downloads/nagioscore/docs/Installing_Nagios_Core_From_Source.pdf...

So you installed hyper-v and you need to configure your NIC with your public IP and your secondary IP's, let me show you how. (Would recommend having physical access / KVM IP if anything fails) First create a v-Switch in the hyper-v settings. Then, go to ...

This page is to share commands / arguments that makes life easier.   Rsync rsync -vaopHDS --stats --ignore-existing -P (Source) (Destination)  -v, --verbose-a, --archive (It is a quick way of saying you want recursion and want to preserve almost everything...

WordPress version: Linux/cPanel: find /home/*/public_html/ -type f -iwholename "*/wp-includes/version.php" -exec grep -H "\$wp_version =" {} \;  Linux/Plesk: find /var/www/vhosts/*/httpdocs/ -type f -iwholename "*/wp-includes/version.php" -exec grep -H "\$...

This is not a tutorial of how haproxy works, this is just some notes on a config i did, and some of the options i used that made it stable for what i needed. In the example bellow you will find a acceptable cipher, how to add a cookie sessions on HA, SSL offl...

Zones Pre-defined zones within firewalld are: drop: The lowest level of trust. All incoming connections are dropped without reply and only outgoing connections are possible. block: Similar to the above, but instead of simply dropping connections, incomin...

  vim /etc/systemd/system/foo.service chmod +x /etc/systemd/system/foo.service [Unit] Description=foo [Service] ExecStart=/bin/bash echo "Hello World!" [Install] WantedBy=multi-user.target systemctl daemon-reload systemctl start foo You can also use syst...

Add a service to logrotate vi /etc/logrotate.d/name_of_file /var/log/some_dir/somelog.log {        su root root        missingok        notifempty        compress        size 5M        daily        create 0600 root root} su - run a root user missing...

  SSL https://www.whynopadlock.com https://www.ssllabs.com/ssltest/ https://www.sslshopper.com/ssl-checker.html DNS / Domain https://toolbox.googleapps.com/apps/dig/ https://www.whatsmydns.net/ https://intodns.com/ https://www.whois.net/ http://redir...