Windows server 2012 Hyper-v virtual machine getting shutdown after a while

Windows server 2012 Hyper-v virtual machine getting shutdown after a while.

this may be on of the reason code 0x80000000 if you check the event viewer  with event id 1074 .

 

Description:
The process C:\Windows\system32\wlms\wlms.exe (<Computer Name>) has initiated the shutdown of computer <Computer Name> on behalf of user NT AUTHORITY\SYSTEM for the following reason: Other (Planned)
Reason Code: 0x80000000
Shutdown Type: shutdown
Comment: The license period for this installation of Windows has expired. The operating system is shutting down.

As the event states: The license period for this installation of Windows has expired.

To reset the evaluation period, Click Start, and then click Command Prompt > type  slmgrvbs –rearm, and then press ENTER.

 

 

Windows 2012 shutdown issue

Windows 2012 shutdown issue.

Event logs for shutdown or reboot of windows 2012 servers.

Event ID 41 The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly.
Event ID 1074 Logged when an app (ex: Windows Update) causes the system to restart, or when a user initiates a restart or shutdown.
Event ID 6006 Logged as a clean shutdown. It gives the message “The Event log service was stopped”.
Event ID 6008 Logged as a dirty shutdown. It gives the message “The previous system shutdown at time on date was unexpected”.

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How to record linux ssh terminal output and replay it for all users

How to record linux ssh terminal output and replay it for all users

we can get it done using script command .you can save all the session from all users login in to your server and there activity. this will help you to troubleshoot the issues .

1-  edit the profile file ( /etc/profile )and insert the below code.

……………………………………………………
if [ "x$SESSION_RECORD" = "x" ]
then
timestamp=$(date +%d-%m-%Y-%T)
session_log=/var/log/session/session.$USER.$$.$timestamp
SESSION_RECORD=started
export SESSION_RECORD
script -t -f -q 2>${session_log}.timing $session_log
exit
fi
……………………………………………………
2- create a directory to record session

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Backup and Restore your Centos

Some time you want to take backup of your server including application and settings .below are the easy method a small example

1- The first step is to create a location to store the backup. For this article we’re going to store the backup on the same hard drive as the installed operating system

2-Make a backup directory where you will keep backup file.

mkdir /backup

3- Now we will create a compressed version of the Operating System in one single file (tarball) using the tar command.

tar cvpzf /backups/backup.tgz --exclude=/proc --exclude=/lost+found --exclude=/backups --exclude=/dev --exclude=/sys --exclude=/boot/grub --exclude=/boot/grub2 --exclude=/etc/fstab --exclude=/etc/sysconfig/network-scripts/ --exclude=/etc/udev/rules.d/70-persistent-net.rules  /

Now transfer your backup.tgz file to new server .In order to restore your server from the previously created tarball the server must have the same Operating System version loaded on it.

To Restore your backup use the following.

tar xvpfz /backups/backup.tgz -C /