How to change the hostname In DirectAdmin panel? DirectAdmin
How to Change Your Hostname (DirectAdmin Control Panel), A local network’s hostname distinguishes devices. A computer’s hostname additionally enables others to find it, facilitating data transfer within a network. The hostname is used by many networking applications, such as Send-mail and Apache servers, to identify the system. The right hostname should be set as a... Continue Reading 
How to start the failed ClamD Service in WHM/cPanel Server? cPanel / WHM
Most of the times, ClamD Service in WHM/cPanel Server fails to start and displays this error message. Log of Initialization Error in LibClamAV: cli tgzload: Checksum for file daily is invalid. hsb LibClamAV Error: /usr/local/cpanel/3rdparty/share/clamav/daily cannot be loaded. Reason: Corrupt database This error indicates that the ClamAV virus definitions database file, daily.cld is corrupt and... Continue Reading
How can I use the Admin Console to setup SSL for Zimbra Email Server? Linux
Zimbra Email Server SSL certificate is recommended to secure our email transactions. Before installing the Zimbra Email Server SSL Certificate using the Admin Console, you must first generate the CSR, as detailed in the following Wiki: For a Commercial SSL, generate a valid CSR (Certificate Signing Request). Select the target server to generate the SSL... Continue Reading
How can I harden /etc/sysctl.conf and disable ICMP broadcast requests? Core
Ping is the most basic method of determining whether a server is reachable over the internet. Ping works by sending ICMP echo request packets to the destination host and waiting for an ICMP broadcast requests echo response. It’s only used for troubleshooting and testing. When there isn’t a need for it, you must disable it.... Continue Reading
How to strengthen Ubuntu server password protection? Core
Keeping a Ubuntu server secure from assaults and data leaks requires implementing a robust password policy. Enforcing a minimum length and specifying password age are two best practices for password regulations. To complete these operations, I use the libpam-cracklib software. Install the libpam-cracklib package: sudo apt-get install libpam-cracklib To enforce password length: Go to the /etc/pam.d/common-password file... Continue Reading
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