If you’re encountering the “Your account has expired” message in Linux, it typically means that the account’s expiration date has passed, preventing access. You’ll need superuser privileges to resolve this issue. Solution for “Your account has expired” in Linux Here’s a general method to address this problem: To ensure accuracy before making changes, it’s prudent …
To ensure a user’s password never expires in Linux, leverage the chage command—a tool specifically designed for altering user password expiration settings. As a root user, execute the following command: chage -I -1 -m 0 -M 99999 -E -1 <username> Replace <username> in the command with the actual username. Breaking down this command: chage: Command …
SUMIF is a powerful function in Microsoft Excel that allows you to sum up values in a range if they meet certain criteria. It is particularly useful when you have large sets of data and want to identify and sum up specific values without having to do manual calculations. SUMIF Syntax in Excel SUMIF works …
The SSL: SSLV3_ALERT_HANDSHAKE_FAILURE error in Python’s requests module typically occurs due to a failure in the SSL/TLS handshake process. This can be caused by various issues, including incompatible SSL/TLS versions, cipher suites, or SSL certificate problems. Using OpenSSL to Diagnose SSL Issues The OpenSSL command-line tool can be used to manually initiate an SSL handshake …
The dict2items filter in Ansible is used to transform a dictionary into a list of key-value pairs. It’s particularly useful for iterating over a dictionary in playbooks or templates. Dict2items Basic Usage Define a Dictionary: Start with a dictionary that you wish to convert into a list of items. vars: my_dict: key1: value1 key2: value2 …
The SSL: SSLV3_ALERT_CERTIFICATE_EXPIRED error suggests that the SSL certificate used by the server you’re trying to connect to has expired. The best and most secure solution is to update the expired certificate with a new, valid one. This usually involves generating a new certificate and configuring the server to use it. If you don’t control …
The set_fact module in Ansible is a vital tool used in playbooks to define or alter the value of variables during playbook execution. This dynamic nature of set_fact allows for greater flexibility and adaptability in managing configurations and automating tasks. With set_fact, you can create new variables on the fly based on the output of …
A subnet, or subnetwork, is a logical subdivision of an IP network. It’s essentially a smaller network within a larger network, created by dividing the network address space into smaller segments. This division is achieved through a process called subnetting. By dividing the network into smaller segments, subnet allows for more efficient management of network …
“Practical Linux System Administration” by Kenneth emerges as a remarkably comprehensive guide for anyone aspiring to master the intricacies of Linux administration. This book is a treasure trove of practical knowledge, seamlessly blending fundamental concepts with advanced techniques. From the outset, Kenneth’s expertise shines through. He meticulously introduces the Linux operating system, making it approachable …
The noexec option in /etc/fstab (File System Table) in Linux is a mount option that specifies how a filesystem should be mounted, particularly with regard to the execution of binaries. When a partition is mounted with the noexec option, it means that you cannot execute any binaries that are stored on that partition. Understanding /etc/fstab …