1. What is SSH used for? 1a. SSH is used for secure remote management of Linux systems. 2. Should you allow remote root access? Why or why not? 2a. You should never allow remote root access. Should your root account become compromised and you use the same...
Blog for Unix Admin / Solaris Admin / Solaris Performance Monitoring
by Ramdev · Published June 12, 2021
The vmstat command is a useful tool to get a general overview of system performance and to triage for performance issues. Performance bottlenecks fall into four major categories: CPU, disk I/O’s, memory, and network I/O’s. The vmstat can help to find problems within the first three...
Solaris Admin / Solaris Troubleshooting / Unix Beginners / Unix Intermediate
by Ramdev · Published June 11, 2021
Syslogd is the daemon that continuously reads and forwards system messages to the appropriate log files or users, depending upon the priority of a message and the system facility from which it originates. The syslogd daemon reads the /etc/syslog.conf to process each and every system message...
Memory Management in Solaris (how to repair temporary memory faults) Herein I am trying to present a simple method to recover faulty temporary memory errors for Solaris OS. Below are the steps: A) Check the memory errors/faults via FMA (fault management Administration). Check the errors with...
1. What is the xinetd service used for? 1a. The xinetd daemon is used to control and/or run multiple system services. One example is a TFTP server. 2. Editing the /etc/xinetd.d/tftp file and enabling the service are the same as running the chkconfig tftp on command....
All Posts in this Series Just enough GiT for Puppet Automation – Part1 Just enough GiT for Puppet Automation – Part2 Just enough GiT for Puppet Automation – Part3 Just enough GiT for Puppet Automation – Part4 Just enough GiT for Puppet Automation – Part5 Just...
All Posts in this Series Just enough GiT for Puppet Automation – Part1 Just enough GiT for Puppet Automation – Part2 Just enough GiT for Puppet Automation – Part3 Just enough GiT for Puppet Automation – Part4 Just enough GiT for Puppet Automation – Part5 Just...
Blog for Unix Admin / Solaris Admin / Solaris Performance Monitoring / Solaris Troubleshooting / SUN Hardware
by Ramdev · Published June 8, 2021
This post is to highlight some of the steps needed to diagnose if an issue is in fact a disk performance issue or not. And if it is, what data will be collected to help diagnose the issue. Please note that performance in general is not an...
‘cat’ copies each FILE (‘-‘ means standard input), or standard input if none are given, to standard output. Synopsis: cat [OPTION] [FILE]… The program accepts the following options. ‘-A’ | ‘–show-all’ Equivalent to ‘-vET’. ‘-b’ | ‘–number-nonblank’ Number all nonempty output lines, starting with 1....
When you examine the device major and minor node numbers from the /var/adm/messages file, the Veritas DMP device path can be determined.
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