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Ubuntu 14.04 LTS users are advised to upgrade Ubuntu 16.04 LTS, as this version was officially transitioned to ESM support phase.

2DayGeek: Learn, whether the NTP setup is working or not in Linux using following three commands?

2DayGeek: This shell script will trigger an email when the system reaches 80% CPU utilization.

2DayGeek: Learn, how to view installed security updates on RHEL and CentOS system.

2DayGeek: Learn, what are the different methods that available to install security updates on Red Hat and CentOS system.

2DayGeek: Learn, how to push only security updates on Red Hat and CentOS system.

As per your organization standard policy, you may need to allow only the list of users that are allowed to access the Linux system. Or you may need to allow only few groups, which are allowed to access the Linux system. How to achieve this? What is the best way? How to achieve this in a simple way?

Kali Linux is a Debian-derived Linux distribution designed for digital forensics and penetration testing. Kali Linux is an open source project that is maintained and funded by Offensive Security, a provider of world-class information security training and penetration testing services.

2DayGeek: Learn how to map ASM disks against physical disks and LUNs in Linux.

LinuxTechNews: Find out the CentOS 8 roadmap details.

2DayGeek: Learn how to access remote MySQL/MariaDB databases right from Linux terminal.

2DayGeek: xsos is a sosreport examiner that helps admin to read sosreport with syntax highlighting.

Learn how to reset forgotten MySQL/MariaDB root user password on Linux.

2DayGeek: Learn how to implement the best password security policy on Linux.

2DayGeek: Multiple ways to check whether the given package is installed or not on Debian based system.

Chrony NTP client helps you to in-sync with an accurate time with NTP server. Chrony is a replacement of NTP client. It can synchronize the system clock faster with better time accuracy and it can be particularly useful for the systems which are not online all the time. chronyd is smaller, it uses less memory and it wakes up the CPU only when necessary, which is better for power saving. It can perform well even when the network is congested for longer periods of time.

2DayGeek: This shell script will trigger an email when the system hits a given threshold limit.

2DayGeek: Learn how to safely remove "/tmp" directory contents when you run out of disk space.

2DayGeek: Lean how to install listed packages from a file in Linux.

2DayGeek: jwhois command is the advanced technology of whois, which is very fast and highly configurable compared with whois command.