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Showing entries 1 to 10 of 24 10 Older Entries

Displaying posts with tag: dns (reset)

The Perfect Server - Ubuntu 14.10 (nginx, BIND, Dovecot, ISPConfig 3)
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The Perfect Server - Ubuntu 14.10 (nginx, BIND, Dovecot, ISPConfig 3)

This tutorial shows how to prepare an Ubuntu 14.10 (Utopic Unicorn) server (with nginx, BIND, Dovecot) for the installation of ISPConfig 3, and how to install ISPConfig 3. ISPConfig 3 is a webhosting control panel that allows you to configure the following services through a web browser: Apache or nginx web server, Postfix mail server, Courier or Dovecot IMAP/POP3 server, MySQL, BIND or MyDNS nameserver, PureFTPd, SpamAssassin, ClamAV, and many more. This setup covers nginx (instead of Apache), BIND (instead of MyDNS), and Dovecot (instead of Courier).

The Perfect Server - Ubuntu 14.10 with Apache, PHP, MySQL, PureFTPD, BIND, Postfix, Dovecot and ISPConfig
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The Perfect Server - Ubuntu 14.10 with Apache, PHP, MySQL, PureFTPD, BIND, Postfix, Dovecot and ISPConfig

This tutorial shows how to install an Ubuntu 14.10 (Utopic  Unicorn) server (with Apache2, BIND, Dovecot) for the installation of ISPConfig 3, and how to install ISPConfig 3. ISPConfig 3 is a webhosting control panel that allows you to configure the following services through a web browser: Apache or nginx web server, Postfix mail server, Courier or Dovecot IMAP/POP3 server, MySQL, BIND or …

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The Perfect Server – CentOS 7 (Apache2, Dovecot, ISPConfig 3)
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The Perfect Server – CentOS 7 (Apache2, Dovecot, ISPConfig 3)

This tutorial shows how to prepare a CentOS 7 x86_64 server for the installation of ISPConfig 3 and how to install ISPConfig 3. ISPConfig 3 is a webhosting control panel that allows you to configure the following services through a web browser: Apache web server, Postfix mail server, MySQL, BIND nameserver, PureFTPd, SpamAssassin, ClamAV, Mailman, and many more.

Cloudflare, now offering to be your Single Point of Failure
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There have been many articles about the downtime issue with Cloudflare last week, so I won’t get into the technical details of that. However, there’s the fine print to remember. Consider this a subtle reminder that core Internet infrastructure services like Cloudflare’s DNS-based “Always Online” caching and packet inspection security services do not come with Service Level Agreements even at the “Pro” account level. Even with a Pro account you are paying for a service with no uptime guarantee and you must only hope that it resolves your sites the majority of the time. This is fine, this is what the contract says: no …

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DNSaaS application MySQL HA solution with Percona XtraDB Cluster (Galera)
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I haven't written in a while. Some of the reason is that life has been incredibly busy with two young children. The other reason is that I've been busy at work with my team developing HP Cloud DNS, a service that runs in the cloud, as do the various other applications within the Platform as a Service group that I am part of. After a period of rapid development and deployment, Cloud DNS recently went into private beta . The ability to build an cloud application such as this was primarily that I have a great team (Kiall Mac Innes, Simon McCartney and a great product manger Josh Barry) as well as having chosen the right …

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The blog was down yesterday
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The brief outage was due to a scheduled move of the servers to a separate rack and subnet dedicated to our work with the Center for Information Assurance & Cybersecurity (ciac) at the University of Washington Bothell (uwb), and a11y.com

I am currently exercising the new (to us) equipment and hope to winnow the less than awesome equipment over the next quarter. I spent the last six months finding the best in breed of the surplussed DL385 and DL380 chassis we (work) were going to have recycled. The team and I were able to find enough equipment to bring up one of each with eight and six gigs of memory, respectively. These will make excellent hypervisors for provisioning embedded …

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Working with IP's in MySQL and MariaDB - Part 2
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Use DNS directly from your database

mysql> SELECT lookup('localhost');
+---------------------+
| lookup('localhost') |
+---------------------+
| 127.0.0.1 |
+---------------------+
1 row in set (0.00 sec)

mysql> SELECT reverse_lookup('127.0.0.1');
+-----------------------------+
| reverse_lookup('127.0.0.1') |
+-----------------------------+
| localhost |
+-----------------------------+
1 row in set (0.00 sec)


This is how you install these functions.

  1. Build udf_example.so which is in your …


















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MySQL: Disable DNS Lookups
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In a small environment, there's very little reason to rely on DNS resolution inside MySQL. You can disable it by adding skip-name-resolve to your my.cnf or by using the --skip-name-resolve command line argument.

Remember that if you disable DNS lookups, you will need to set permissions using IP addresses rather than host names!

Clear Windows DNS Server Cache From the CLI
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Clearing the Windows DNS Server cache from the command line is an easy task.

C:\> dnscmd . /clearcache

The . indicates the local DNS server. You can use this command to clear the cache of remote DNS servers by replacing the . with the hostname or IP address of the remote server.



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Don’t forget to monitor your nameservers
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As I mentioned in a past article I got my IPv6 connectivity working so started working on setting up various IPv6 services. One of these was to setup my name server so it also worked on IPv6. This worked fine, but recently I lost my IPv6 connectivity but thought no more about it. I’m trying [...]

Showing entries 1 to 10 of 24 10 Older Entries

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