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
Category: CentOS
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 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 :
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
How To install VSFTPD (Very Secure Ftp Daemon) on CentOS 8How To install VSFTPD (Very Secure Ftp Daemon) on CentOS 8
Lets start with the installation : sudo dnf install vsftpd Then enable it : sudo systemctl enable vsftpd --now Now check is it is running : sudo systemctl status vsftpd
How To Install Apache on CentOS 8How To Install Apache on CentOS 8
Installing Apache The first this is to install CentOS , Logon as root , updtae apache to the latest: dnf update Now we can start the installation which is
How To Install Zabbix 5 On CentOS 8How To Install Zabbix 5 On CentOS 8
Zabbix 5 has a lot of GUI imrovment and other new features, notice the installation on CentOS 8 is a little different. lets start . If you are a fan
firefox freezes for few seconds on startup or randomlyfirefox freezes for few seconds on startup or randomly
Firefox browser is great choice for surfing the web , how ever I came across this problem that were driving me mad. Every time I start Firefox it