a Archives - Sys Admin Guides, How To's, etc by Marios Maravelias

How do I setup all subdomains *.domain.tld to point to a domain domain.tld? | wildcard dns in plesk

Jul

8

2008

For that purpose you should add an entry into domain’s zone DNS like:

Linux Plesk how to add www to a subdomain

Jul

8

2008

To create www prefix for subdomains you need to take the following steps: 1) Create vhost.conf file in the /home/httpd/vhosts/domain.com/subdomains/subdomain/conf directory with the following content: ServerAlias www.subdomain.domain.com 2) Add appropriate A record to the DNS zone of the domain in Server->Domains->domain.com->DNS (specify this domain’s IP address instead of 192.168.1.1): www.subdomain.domain.com. A 192.168.1.1 3) Run wersrvmng ...

Spam – A Simple Guide To Keeping Your Inbox Clean

Jul

17

2007

In my opinion, the best way to keep clean of spam is simple: The first rule is NEVER reply to spam, NEVER click the unsubscribe link and NEVER e-mail to the unsubscribe address.

Checking if a server is under ddos attack

Jun

4

2007

A quick and usefull command for checking if a server is under ddos is: netstat -anp |grep ‘tcp\|udp’ | awk ‘{print $5}’ | cut -d: -f1 | sort | uniq -c | sort -n

What is a null route?

May

30

2007

What is a null route? A null route is a route that goes to nowhere. The reason for creating a null route is to prevent your system from sending any data to a remote system.

Creating a Welcome message for SSH logins

May

29

2007

Did you ever want to change or create a new login message antime someone logs into SSH? We’ll show you how it’s done.