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How To Fix “Device eth0 does not seem to be present, delaying initialization” Error on Centos

Feri Setyawan - 0
check network: # ifconfig lo        Link encap:Local Loopback           inet addr:127.0.0.1  Mask:255.0.0.0           inet6 addr: ::1/128 Scope:Host           UP...
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How to

Create Blocking Bad Bots Through Apache in WHM/cPanel

Feri Setyawan - 0
we see a lot of traffic from 'bad robots', these bots cause problems such as high server load, server instability and can...
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How to

Tools for load-testing HTTP servers

Feri Setyawan - 0
Knowing how much traffic your web server can handle when under stress is essential for planning future grow of your website or...
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How to

Set Up Routing with ip Command in Linux

Feri Setyawan - 0
Can you explain the ip command to setup routing on Linux based systems? How do I use the ip command to configure the routing...
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Database

How to Kill MySQL Queries

Feri Setyawan - 0
MySQL queries can sometimes be long-running and may prevent transactions from accessing necessary tables to complete a...
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How to

How to Fix Moodle error backup_controller_dbops_nonexisting

Feri Setyawan - 0
This error occurs when you duplicate an activity or import activities. I recently implemented...
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Disk Utility

How to fix Ceph error states “oldest is osd_failure(failed timeout osd.xx)

Feri Setyawan - 0
Hi, If your Ceph cluster encounters a slow/blocked operation it will log it and set the cluster health into...
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How to

Monitor site to site tunneling health for Cisco ASA using Zabbix

Feri Setyawan - 0
Requirement : - Zabbix server ( Zabbix 2.4 in this post)- Cisco ASA with tunnel site to site configured-...
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Database

How to Backup view and events only in MariaDB/MySQL

Feri Setyawan - 0
As a part of a migration, We need to export MySQL events from a MariaDB 10.2 and import them to another MariaDB...
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How to

How to Resize tmpfs on Linux

Feri Setyawan - 0
tmpfs is a temporary file system that stores data in virtual. It does not create an file or directory on your hard...
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How to

Proxmox 6.0 Bug, hung kernel and how to fix it.

Feri Setyawan - 0
We have been running Proxmox 6.0 in some servers and after a few weeks, they were having a hung issue. one-by-one all...
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How to

Delete OLD data from Zabbix database

Feri Setyawan - 0
If you are using Zabbix for a long time, then you might notice that the database size of Zabbix is increasing every day. Then...
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How to run a manual backup on cPanel

How to Feri Setyawan - 0
You can use the /usr/local/cpanel/scripts/pkgacct script to create a cpmove archive for an account. After you create the archive, you can then restore the account on any cPanel...
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Remove AWS Cloudinit

Server Feri Setyawan - 0
When we copy all data from AWS instance without excluding the cloud-init you will see errors as follows but it will continue...
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Dell EMC PowerEdge RAID Controller CLI Reference Guide

Disk Utility Feri Setyawan - 0
Drive show commands The PERC Command Line Tool supports the following drive show commands: perccli /cx[/ex]/sx...
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MySQL – Restore a Single Table from a FULL mysqldump file

Database Feri Setyawan - 0
Use the sed command on your bash shell to separate the data of the table that you want to restore. For example, if we want...
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