Orange flashing light after changing module on 5400R zl2

Plug in the old module again then follow process below –  Issue the ‘no module x’ command, where x is the letter of the slot (A through L).The following warning will be displayed:This command will shut down the specified modules and remove all configuration settings for those modules and their ports. Any management traffic for Read more about Orange flashing light after changing module on 5400R zl2[…]

WordPress – Fixing Another Update in Process Error

To quickly get rid of ‘another update in process’ message, you need to delete the core_updater.lock option from your WordPress database.  The easiest solution: Fix Another Update in Process Error Using a Plugin First thing you need to do is install and activate the Fix Another Update In Progress plugin. Upon activation, you need to visit Settings Read more about WordPress – Fixing Another Update in Process Error[…]

Reset Windows Server RDS 120 Day Grace Period

The RD Licensing grace period has expired and the service has not registered with a license server with installed licenses. A RD Licensing server is required for continuous operation. A Remote Desktop Session Host server can operate without a license server for 120 days after initial start up.  To reset the timer and again avail Read more about Reset Windows Server RDS 120 Day Grace Period[…]

Upgrade Kali Linux 2019.x to Kali Linux 2020.x

For all existing installation of Kali Linux rolling release, you can always do a quick update. But first, ensure you have the official Kali repositories enabled. sudo tee /etc/apt/sources.list<<EOF deb http://http.kali.org/kali kali-rolling main non-free contrib EOF Take note of the current release. $ cat /etc/os-release PRETTY_NAME=”Kali GNU/Linux Rolling” NAME=”Kali GNU/Linux” ID=kali VERSION=”2019.4″ VERSION_ID=”2019.4″ VERSION_CODENAME=”kali-rolling” ID_LIKE=debian Read more about Upgrade Kali Linux 2019.x to Kali Linux 2020.x[…]

Simple Postfix Hardening

ADD TO  /etc/postfix/main.cf vi /etc/postfix/main.cf   # Hardening SSL configuration# # enable opportunistic TLS support in the SMTP server and clientsmtp_tls_security_level = maysmtp_tls_loglevel = 1 # only offer authentication after STARTTLSsmtpd_tls_auth_only = yes # Disable SSL compressiontls_ssl_options = NO_COMPRESSION # Disable SSLv2 and SSLv3 leaving TLSv1, TLSv1.1 and TLSv1.2 enabled.smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3smtpd_tls_protocols = !SSLv2 Read more about Simple Postfix Hardening[…]