Category: Technology
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Apartment and keelung1.ddns.net Maintenance
Geeked out pretty hard this weekend! Bit of a convoluted process but I’m happy with the way things are going. Laptop is free to run Windows for vidya. Raspberry Pi 3 does my dinky Linux server stuff. Re-partitioned the drive in the Windows laptop to have a bit more room for the break-in-case-of-emergency Linux partition…
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Scott Forsyth’s Blog – URL Rewrite vs. Redirect; What’s the difference?
IIS URL Rewrite has five different types of actions. They are: Rewrite, Redirect, Custom Response, Abort Request, and None. And if you have ARR (Application Request Routing) installed, then at the … Source: Scott Forsyth’s Blog – URL Rewrite vs. Redirect; What’s the difference?
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Stuck on the last step of Openfire installation?
update `ofUser` set plainPassword = ‘admin’, encryptedPassword = null where username = ‘admin’; See if this helps 😉
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ELK stack made
Following this guide I set up ELK stack in a VM. Currently only getting logs from my www server, but will add others later. Also need to mess with grok.
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mysqld_safe Directory ‘/var/run/mysqld’ for UNIX socket file don’t exists.
This is an error I get when starting MySQL on a Galera cluster node after a reboot. The result of this is that MySQL fails to start automatically after a reboot. I have no idea why this is happening and the error appears to be extremely rare, as there (from what Googling I’ve done so…
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I got to learn some (more) High Availability things
In the spirit of continuous improvement, I made another HA setup. Same basic front-end with two webservers behind one HAProxy load balancer, but with way more fault tolerance behind them. I used the guide I mentioned in the previous HA post to create this new setup. Webservers look to 192.168.100.2 for a database connection. This…
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Galera test cluster created
Well that was freakishly easy. Thanks again Digital Ocean. Seemed easier to set up than master-slave replication and this is way more featureful in that you can write to any node in the cluster, not just the master. There may be a way to override this, but its like every Galera node is the same…
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I got to learn some High Availability things
As part of a job opportunity, the interviewer assigned some homework. The expectations were as follows: Redundant webservers Redundant database servers Read-write splitting between the webservers and the database servers And ~24 hours later, I have achieved this. This is spread across six virtual machines: HAProxy server Apache server 1 Apache server 2 ProxySQL server…