SSH no hostkey alg
When connecting to an Ubuntu 24.04 server from CentOS 6 server, i got error “no hostkey alg” To fix this error, edit…
CentOS
CentOS 7 yum update HTTP Error 404: Not found
If you’re still running CentOS 7 on your systems, you may have recently encountered errors when trying to run `yum update`. This…
OVH CentOS 7 server grub rescue prompt
On an OVH Cpanel server running CentOS 7, the server won’t boot. When accessing the server console using IPMI, I found the…
access denied: tty ‘tty1’ is not secure
On a CentOS 7 server, when login as user root on the console, login fails. If I log in as a normal…
How to install cwebp on CentOS 7
cwebp is a command line program used to convert images into webp format. To install cwebp on CentOS 7, run WebP is…
How to reset CentOS 7 root password using console
If you have lost the root password of your CentOS 7 system and have access to the console directly or using KVM,…
CentOS Error checking for OpenSSL library … not found
When installing Nginx from source on a CentOS 7 server, I got the following error checking for OpenSSL library … not found…
CentOS 8 Error: Failed to download metadata for repo ‘appstream’
When updating packages on CentOS 8 server, I got the following error [root@instance-20220409-2340 ~]# dnf update Failed loading plugin “osmsplugin”: No module…
How to install MySQL 5.7 on CentOS 7 Server
To install MySQL 5.7 on CentOS 7 server, install the repository rpm -ivh http://repo.mysql.com/mysql57-community-release-el7.rpm import MySQL GPG key with rpm –import https://repo.mysql.com/RPM-GPG-KEY-mysql-2022…
How to Install Supervisord on CentOS 7
Supervisor is a program used to monitor and control programs. It can auto startup application on server boot time, and restart if…
Install Tomcat on CentOS 7
Apache Tomcat is an open source implementation of the Java Servlet and Java Server Pages. To install Apache Tomcat on CentOS 7,…
Install Caddy Webserver on CentOS 7
To install Caddy Webserver on CentOS 7, run yum install yum-plugin-copr yum copr enable @caddy/caddy yum install caddy Enable caddy start on…