MySQL

Setup MySQL Master-Slave Replication on Ubuntu with Existing Data

MySQL Master-Slave Replication is a procedure that is replicating or in other words copying the databases from one (Master) server…

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Patch VMware ESXi using esxcli from Online repository

Every time you are asking the manufacturer for support when something is not working as you want, you will be…

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VMware 6.5 SNMP Configuration

VMware SNMP configuration is one of those things everyone knows it, doing it once in a while and Google’s it…

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Extending LVM Volume

It is time to take advantage of using LVM volumes when installing Linux servers. I got a Virtual Machine that…

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VirtualBox To VMware

Migrate VirtualBox to VMware ESXi 6.5

There are a lot of tutorials out there but this method worked the best for me to migrate Virtual Machines…

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VMware 6.5 can’t start VM after a host crash

After a migration of a VM one of my host machines has become very unstable and freezes from time to…

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SSL Labs Perfect Score for nginx

Setting up TLS certificates on nginx this days is easy, but you should spend few more minutes and configure them…

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MySQL

MySQL Maintenance Tasks

You may notice that your database is not running as it use to, and you may think that it’s due…

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grep word recursively in file extension

Lately I’ve been cleaning a lot of WordPress websites from a lot of malware code and the simple way for…

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Zimbra: A network service error has occurred

Lately from time to time on one of my Zimbra servers I was getting A network service error has occurred error…

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Upgrade Cisco IOS on Cisco 6500 in VSS mode

If you are using the old Cisco 6500 probably as me need to upgrade the IOS o e new version….

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GlusterFS Installation and Configuration

Here are few examples how to install GlusterFS on Debian like systems. Single node, add replica node, add multiple replicas…

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