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Linux Commands

how long the linux system has been running

 uptime gives a one line display of the following information. The current time, how long the system has been running, how many users are currently logged on, and the system load averages for the past 1, 5, and 15 minutes.

 

[root@hc168 ~]# uptime

 21:46:53 up 6 days,  4:19,  1 user,  load average: 0.00, 0.00, 0.00

 

 

Display list of all installed software on Redhat / CentOS / Fedora

 rpm -qa

rpm -qa | grep 'software-name'rpm -qa | less[root@hc168 ~]# rpm...

 
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