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Accessing Website with IP NAT Hairpinning

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The term hairpinning comes from the fact that the traffic comes from one source into a router or similar devices, makes a U-turn and goes back the same way it came. Visualize this and you see something that looks like a hairpin. Hairpin NAT is a useful technique for accessing an internal server using a … Read more

How to Set or Change Hostname in CentOS 7

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Use this information when changing the hostname in centos 7. Ways to show the hostname How to change the hostname. In order to change or set a CentOS 7 machine hostname, use the hostnamectl command as shown in the below command excerpt. In order to apply the new hostname, a system reboot is required, issue … Read more

How To: Fix kernel panic-not syncing: VFS: unable to mount root fs on unknown block(0,0) on Azure VM

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When booting an Azure VM, this error: 304.863321] —[ end Kernel panic – not syncing: VFS: Unable to mount root fs on unknown-block(0,0) Solution: remove old linux kernels, your /boot drive is out of space. -boot to grub and click on “Advanced options” -Select a previous kernel (should boot fine) login and enter command See … Read more

No PGP for Horde Mail in Plesk

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When checking mail, I noticed the PGP option was not available. It should look like this: So, I followed this: https://support.plesk.com/hc/en-us/articles/115002313594-How-to-install-GnuPG-PHP-extension-for-Plesk-PHP- But still missing. How To Install and Use GPG Encryption In Linux In Order To Encrypt and Decrypt Files and Folder?

MySQL shows warning: Using unique option is deprecated and will be removed in a future release

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Error when exporting a dump in plesk databases (See:https://docs.plesk.com/en-US/onyx/reseller-guide/website-management/website-databases/exporting-and-importing-database-dumps.69538/): Cause key_buffer and myisam-recover are deprecated in Mysql 5.5. myisam-recover option is renamed as of MySQL 5.5.3 to myisam-recover-options . Resolution 1. Log in to Plesk server via SSH 2. Correct /etc/my.cnf or /etc/mysql/my.cnf as below: Change pass to password See – https://serverfault.com/questions/670648/mysqldump-complains-about-chosen-databases-regardless-of-command-line