If you are using CentOS 8, you may have noticed that installing packages with yum does not work any longer and often results in an error message like this: Error:
Category: Linux
How To Install Zabbix 6 On CentOS 9How To Install Zabbix 6 On CentOS 9
Zabbix 6 is the new version supplied by zabbix , another GUI changes and new abilities. To install it on CentOS stream 9 you need to Disable Zabbix packages provided
How To Get Certificates From Let’s Encrypt with Certbot and DNS challengeHow To Get Certificates From Let’s Encrypt with Certbot and DNS challenge
Let’s Encrypt is a service offering free SSL certificates through an automated API. The most popular Let’s Encrypt client is EFF’s Certbot. And we gan get certificate for all propose
Linux CentOS can not get updates from REPOLinux CentOS can not get updates from REPO
Somtime the linux machine can not get updates and you get this error: "Failed to download metadata for repo AppStream" This can happens if the repo URL is old or
How to enable GUI Access on Fortigate / VM Firewall Through CLI consoleHow to enable GUI Access on Fortigate / VM Firewall Through CLI console
When installing Fortigate-VM you will need to start the settings from CLI in order to get GUI access, you will need to setup interface for admin access. here is the
How to Install Zabbix Agent on CentOS/RHEL 8How to Install Zabbix Agent on CentOS/RHEL 8
Zabbix Agent can provide great linux system monitor system once installed, here is the steps to install it : SElinux is enable by default, You can disable the SELinux by
How To preform MySql database backup on CentOS with MariaDBHow To preform MySql database backup on CentOS with MariaDB
We are going to use mysqldump to create a backup dump of the database, to backup all the databases, create backup folder : Now let check the databases size :
CentOS Disk Space Finished Due to MYSQL Database table growthCentOS Disk Space Finished Due to MYSQL Database table growth
Some time and it can be due to an error in the database or the application using it cause the database to expand and take all the disk space until
Webmin Secure Connection FailedWebmin Secure Connection Failed
After upgrade Webmin or general updates for the Linux system you can not connect to webmin portal. the reason is usually bad TLS setting or weak certificate . the simple
How to truncate mysql database tableHow to truncate mysql database table
Sometime swollen table in a databasecan cause disk space problem and if the data inside if expandable then you want/need to empty the table . First connect to the