Showing posts with label redhat system admin exam. Show all posts
Showing posts with label redhat system admin exam. Show all posts

Saturday, March 14, 2020

20 Command Line Tools to Monitor Linux Performance

       20 command line tools to  monitor Linux performance

1. Top – Linux Process Monitoring

2. VmStat – Virtual Memory Statistics

3. Lsof – List Open Files

4. Tcpdump – Network Packet Analyzer

5. Netstat – Network Statistics

6. Htop – Linux Process Monitoring

7. Iotop – Monitor Linux Disk I/O

8. Iostat – Input/Output Statistics

9. IPTraf – Real Time IP LAN Monitoring

10. Psacct or Acct – Monitor User Activity

11. Monit – Linux Process and Services Monitoring

12. NetHogs – Monitor Per Process Network Bandwidth

13. iftop – Network Bandwidth Monitoring

14. Monitorix – System and Network Monitoring

15. Arpwatch – Ethernet Activity Monitor

16. Suricata – Network Security Monitoring

17. VnStat PHP – Monitoring Network Bandwidth

18. Nagios – Network/Server Monitoring

19. Nmon: Monitor Linux Performance

20. Collectl: All-in-One Performance Monitoring Tool

Wednesday, January 3, 2018





Red Hat Certified System Administrator (RHCSA), Exam Code - EX200
Certification program requirements:

Ø The RHCSA Certification Exam consists of 1 section lasting up to 2.5 hours.
Ø The exam is performance-based, meaning that candidates must perform tasks on a live system rather than answer questions about how someone might perform those tasks.
Ø Real-world experience is valuable preparation for this hands-on exam.
Ø RHCSAs certified on Red Hat Enterprise Linux® 6 or later are considered current for 3 years after the date on which the certification was earned. Current status can be extended by passing additional Red Hat exams.

In preparation to earn an RHCSA certification, Red Hat recommends a training path based on a candidate�s background.
Windows system administrators:
Ø Red Hat System Administration I (RH124)
Ø Red Hat System Administration II with RHCSA Exam (RH135)

To achieve certification, students must pass these Exams
RHCSAExam(EX200)
Performance-based exam that tests the core system administration skills required in Red Hat Enterprise Linux environments.



Networking terms in basic level

Basics of Computer Networking Open system: A system which is connected to the network and is ready for communication. Closed system...