Tech Tips

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

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

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

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

Ubuntu server for malware Antivirus scanning software can protect viruses from infecting your computer. It’s a simple approach to maintain your server free of viruses if you use them. ClamAV, an open-source antivirus program, is my preferred utility. Install ClamAV: sudo apt-get install ClamAV Update virus signatures: sudo freshclam Ubuntu server for malware, Scan all files for... Continue Reading