Here we are going to review and see how we can schedule and run tasks in the background automatically at regular intervals using crontab command.For instance,you can automate process like backup,schedule updates and synchronization of files and many more.Cron is a daemon to run schedule task.Cron wakes up every minute and check schedule task in crontable. Crontab file consist of Command per line and have six fields actually and separated […]
Linux has implemented a memory management efficiently.If any process is eating away your memory and you want to clear it.Linux provides a way to flush or clear ram cache. Every Linux System has three options to clear cache without interrupting or services. 1.Clear PageCache Only. # sync; echo 1 > /proc/sys/vm/drop_caches 2.Clear dentries and inodes. # sync; echo 2 > /proc/sys/vm/drop_caches 3.Clear Pagecache,dentries […]
Usefull Linux Basic Commands to learn. A command is an instruction given by a user telling a computer to do something.Commands are generally issues by typing them in at the command line and then pressing enter key,which passes them in to shell. A shell is a program that reads commands that are types on a keyboard and then executes them.It is the most basic method for a user […]
