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How to stop bad bots from visiting your website

Feri Setyawan - 0
Recently I noticed in Google Analytics a lot of referral to the page https://www.mydomain-name.com//h/1486338.html that doesn’t exist on one of my website....
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Disk Utility

Cannot access disk on zfs, Don’t Panic!!

Feri Setyawan - 0
I was having an issue with one of my Proxmox 5.0 version. When I was trying to start my VM it states...
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Database

Set-Up Master-Slave Replication for PostgreSQL 9.6 on Ubuntu 16.04

Feri Setyawan - 0
What we will do: Install PostgreSQL 9.6.Configure MASTER Server.Configure SLAVE Server.Copy PostgreSQL Data from MASTER to SLAVE.Testing.
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Email

Zimbra XXE / SSRF Vulnerability Disclosure

Feri Setyawan - 0
At March 18, 2019 , Rene Ottom, Vice President Product eMail and Collaboration announced that The Zimbra Security team has been...
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How to

How To Install Elasticsearch, Logstash, and Kibana (Elastic Stack) on Ubuntu 16.04

Feri Setyawan - 0
Introduction The Elastic Stack — formerly known as the ELK Stack — is a collection...
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How to

How to stop using TLS-SNI-01 with Certbot

Feri Setyawan - 0
Let’s Encrypt is removing support for domain validation with TLS-SNI-01. If you’re using Certbot and received an email titled “Action required: Let’s...
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How to

How To Make Changes In resolv.conf Permanent in Ubuntu

Feri Setyawan - 0
When you change the DNS configuration using /etc/resolv.conf file, you must have noticed that the changes are not permanent. A reboot and...
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How to

How to Setup FTP with ProFTPD in Webmin

Feri Setyawan - 0
After installing Webmin on a VPS or Dedicated Server, you may be wondering how to add and...
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How to

How to install and use snmpwalk

Feri Setyawan - 0
Snmpwalk is a great tool for Linux boxes. You can easily list all OIDs an SNMP host has to offer then filter...
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Please install all available updates for your release before upgrading

How to Feri Setyawan - 0
The Problem: While upgrading the Ubuntu OS version, I faced the following issue with the do-release-upgrade command. Even all the current...
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How To Import QCOW2 Image Into Proxmox

How to Feri Setyawan - 0
In this guide, we will see how to import QCOW2 into Proxmox hypervisor and how to create a virtual machine using the QCOW2 image...
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Remove frozen emails from mail queue – Exim

Email admin - 0
Emails can build up for a variety of different reasons but mainly results from emails which were undelivered.  When...
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Safe Reboot Of Linux Using Magic SysRq Key

How to Feri Setyawan - 0
If you are working on kernel development, or device drivers, or running a code that could cause a kernel panic, the SysRq...
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This a journal of linux sysadmin which based on the daily routine problems that I found. I document all these problems with the best possible language that I can to make it easier to understand. Hope this helps.

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