top Command in Linux
The top command is used for monitoring a UNIX-like system continuously for processes' usage of system resources like the CPU time and memory.
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September 24, 2018
ps command usage with examples in Linux
The ps command gives information about processes on a Linux or Unix system. ps command is explained with examples.
September 24, 2018
Synchronize your computer’s clock using the NTP
The UTC is available as a standard from NMIs and can be used for synchronizing a computer's clock using the Network Time Protocol (NTP).
September 24, 2018
Alarm, sleep and High Resolution Timers
Alarm system call, sleep functions and the high resolution timers (HRT) provide a framework for programs to carry out time-critical tasks.
September 24, 2018
Linux process execution time
System calls and functions associated with execution times under Linux and Unix operating systems are explained.
September 24, 2018
Calendar Time Under Linux
The calendar time is the number of seconds since January 1, 1970 00:00:00 UTC, which is the Epoch for keeping time in Linux.
September 24, 2018
hwclock, the hardware clock query and set program
The hardware real time clock is a part of computer's hardware, powered by a battery and keeps on running even when the system is off.
September 24, 2018
anacron
Anacron runs jobs periodically, that is, once a day, week or a month. Anacron works even if the computer is switched off for some time.
September 23, 2018
cron
cron is a daemon that executes programs for users at predefined times. cron works on the basis of crontab, which is a text file.
September 22, 2018
Backing up your Drupal site
To backup a Drupal site, website root directory and database dump are copied to a local server. The backup commands are explained.
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September 22, 2018