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Linux Time
How to
How to
How to
Please install all available updates for your release before upgrading
Feri Setyawan
-
March 4, 2023
How to
How To Import QCOW2 Image Into Proxmox
Feri Setyawan
-
September 27, 2022
Email
Remove frozen emails from mail queue – Exim
admin
-
August 24, 2022
How to
Safe Reboot Of Linux Using Magic SysRq Key
Feri Setyawan
-
January 8, 2022
How to
How to set a MySQL database to read-only mode
Feri Setyawan
-
January 5, 2022
Disk Utility
How to fix Ceph error states “oldest is osd_failure(failed timeout osd.xx)
Feri Setyawan
-
July 9, 2020
0
Hi, If your Ceph cluster encounters a slow/blocked operation it will log it and set the cluster health into...
Read more
How to
Monitor site to site tunneling health for Cisco ASA using Zabbix
Feri Setyawan
-
July 3, 2020
0
Requirement : - Zabbix server ( Zabbix 2.4 in this post)- Cisco ASA with tunnel site to site configured-...
Read more
Database
How to Backup view and events only in MariaDB/MySQL
Feri Setyawan
-
June 11, 2020
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
-
March 31, 2020
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
-
March 30, 2020
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...
Read more
How to
Delete OLD data from Zabbix database
Feri Setyawan
-
March 24, 2020
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...
Read more
Database
Unable to start MySQL on Ubuntu: AVC apparmor=”DENIED” operation=”open”
Feri Setyawan
-
March 24, 2020
0
MySQL on Ubuntu fails to start. The following error messages are shown in the output of the journalctl -xecommand: AVC...
Read more
Disk Utility
Converting between image formats
Feri Setyawan
-
March 24, 2020
0
qemu-img convert: raw, qcow2, qed, vdi, vmdk, vhd The qemu-img convert command can do conversion between multiple formats, including qcow2, qed, raw, vdi, vhd, and vmdk.
Read more
Database
Migrate MyISAM tables to INNODB using mysqldump
Feri Setyawan
-
March 24, 2020
0
In this article you will find information how to convert MyISAM tables to INNODB. The procedure here is an...
Read more
Email
Test TCP Port 25 (smtp) access with telnet
Feri Setyawan
-
March 24, 2020
0
In this article I show you how to use telnet to test the access to a mail server on TCP port 25.
Read more
Disk Utility
Configure Disk Quota on Ubuntu Server
Feri Setyawan
-
March 24, 2020
0
Scenario: Disk quotas can be used to limit the amount of disk space or the number of files allocated...
Read more
Email
Zimbra Server Status shows all failed services
Feri Setyawan
-
March 24, 2020
0
Step by step guide to solve problem zimbra some services are not running the following: To fix this issue:Check...
Read more
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Most Read
Please install all available updates for your release before upgrading
How to
Feri Setyawan
-
March 4, 2023
0
The Problem: While upgrading the Ubuntu OS version, I faced the following issue with the do-release-upgrade command. Even all the current...
Read more
How To Import QCOW2 Image Into Proxmox
How to
Feri Setyawan
-
September 27, 2022
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...
Read more
Remove frozen emails from mail queue – Exim
Email
admin
-
August 24, 2022
0
Emails can build up for a variety of different reasons but mainly results from emails which were undelivered. When...
Read more
Safe Reboot Of Linux Using Magic SysRq Key
How to
Feri Setyawan
-
January 8, 2022
0
If you are working on kernel development, or device drivers, or running a code that could cause a kernel panic, the SysRq...
Read more