Rabu, 10 September 2014

Installing CACTI and Templates on Debian Lenny/Squeeze In the area of monitoring systems using GPL software Nagios is a big player but the organization of displaying the history graphs is not so ideal. Zabbix is wonderful as well, it produces also good graphs but it creates them dynamically, resulting in a long wait time when we need to display...

Rabu, 02 Juli 2014

Untuk melimit melalui layer 7, maka script yang harus di tambahkan yaitu : /ip firewall layer7-protocol add comment="" name=High regexp="^.*get.+\\.(exe|rar|iso|zip|7zip|0[0-9][1-9]|flv|mkv|avi|mp4|3gp|rmvb|mp3|img|dat|mov).*\$" add comment="" name=Mid regexp="^.*get.+\\.(zip|rar|7z).*\$" add comment="" name=End regexp="^.*get.+\\.(pdf|doc|docx|xlsx|xls|rtf|ppt|ppt).*\$" add comment="" name=Video...

Selasa, 10 Juni 2014

Creating an alias for an account

The following codes illustrate how you can setup an alias. This step is optional since we are going to configure virtual mail domains later in this howto. I have added this step to make sure you understand how you can do this in case it is required. Create a user sudo useradd -m -s /bin/bash sysadmin sudo passwd sysadmin Edit the alias table Open the alias file with: sudo vi /etc/aliases Add...

Per User .forward Files

Users can control their own mail delivery by specifying destinations in a file called .forward in their home directories. The syntax of these files is the same as system aliases, except that the lookup key and colon are not present. I will illustrate an example here: Assume that you need to forward all the mails which come to the sysadmin account to an another account. Enter the following commands: su...
With this approach, every hosted domain can have its own info etc. email address. However, it still uses Linux system accounts for local mailbox deliveries. With virtual alias domains, each hosted address is aliased to a local UNIX system account or to a remote address. The example below shows how to use this mechanism for the fossedu.org and linuxelabs.com domains. Inside the main.cf file,...

Kamis, 08 Mei 2014

This is a script to remove automatically all the 404 Not found PPA's.Copy the below code and paste it into a file and name it as ppa-remove. --- #!/bin/bash sudo rm /tmp/update.txt; tput setaf 6; echo "Initializing.. Please Wait" sudo apt-get update >> /tmp/update.txt 2>&1; awk '( /W:/ && /launchpad/ && /404/ ) { print substr($5,26) }' /tmp/update.txt > /tmp/awk.txt;...

Rabu, 26 Maret 2014

The first thing you need to do is set up DNS records. This is so anyone browsing from the internet can find your site using it’s domain name. Preferably you are running your own name server on ISPConfig3. If that is the case you need to go to your domain registrar’s site and change the name servers from whatever was set up as default to yours. (If you are not running...

Selasa, 25 Maret 2014

Mbox vs Maildir: Mail Storage Formats

The Unix world has two ways of storing mail messages, the traditional mbox format and the newer maildir format. Postfix and Dovecot supports the two mail storage format so you can use any format, but I highly recommend you use the maildir format. The Mbox Format This is the traditional way of storing mail messages in the Unix world. In this format, a regular text file which...

Menyadap chating Yahoo Messenger

Sebagai seorang network administrator harus mengerti semua mengenai trafik yang melintasi jaringan baik LAN maupun internet. Bukan nya mengajari hal – hal negatif, tetapi hanya untuk pengetahuan saja. Kita dapat menyadap percakapan chating yahoo messenger, tentu harus dilakukan di internet gateway atau router internet berbasis linux. untuk mudahnya kita pakai ubuntu. apt-get  install ngrep ngrep...

Rabu, 19 Maret 2014

How to use Nslookup to verify DNS configuration At a command prompt, type Nslookup, and then press ENTER. Type server <IP address>, where IP address is the IP address of your external DNS server. Type set q=MX, and then press ENTER. Type <domain name>, where domain name is the name of an external mail domain, and then press ENTER. The mail exchanger (MX) resource...

Rabu, 12 Maret 2014

Install ZpanelX Web Hosting Control Panel on Ubuntu Server 12.04 ================================================================ ---> About Zpanel Zpanel is free and open source web hosting control panel designed to work on platform Linux, Unix, Mac OSX and Windows OS based servers or computers. It easy to use and manage web hosting server for SOHO (Small Office Home...