Protect your Asterisk PBX server from Black listed IP address

Protect your Asterisk PBX server from Black listed IP address

VoIPBL is a distributed VoIP blacklist that is aimed to protects against VoIP Fraud and minimizing abuse for network that have publicly accessible PBX’s.

For more details http://www.voipbl.org/

For Asterisk PBX  you  need to install Fail2ban. This is the only required dependency needed to run VoIP Blacklist on your server.

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How configure crontab in ESXi to schedule a job every 5 min

How configure crontab in ESXi to schedule a job every 5 min

For scheduling a command or script every 5 min in ESXi we need to edit following file

/var/spool/cron/crontabs/root

vi /var/spool/cron/crontabs/root

#min hour day mon dow command
1    1    *   *   *   /sbin/tmpwatch.py
1    *    *   *   *   /sbin/auto-backup.sh
0    *    *   *   *   /usr/lib/vmware/vmksummary/log-heartbeat.py
*/5  *    *   *   *   /sbin/hostd-probe ++group=host/vim/vmvisor/hostd-probe
00   1    *   *   *   localcli storage core device purge
*/2 * * * * /usr/lib/vmware/vsan/bin/vsanObserver.sh

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VMware ESXi Datastores refresh issue incorrect free space

VMware ESXi Datastores refresh issue incorrect free space

We do manual datastore scan or HBA  scan to show the correct free space .

We can change the refresh interval manually to edit config.xml file in esxi host.

To change the refresh interval, edit the configuration file and change the refreshInterval value to the desired interval.

To change the refreshInterval value:

  1. Using a text editor, open the /etc/vmware/hostd/config.xml file on the host.
  2. Locate the <datastore> element. This element in the default file is similar to:<datastore>
    <!-- default datastore inventory-->
    <!-- <inventory>/etc/vmware/hostd/datastores.xml</inventory> -->
    <!-- default datastore refresh interval in minutes -->
    <!-- use 0 to disable the auto refresh -->
    <!-- <refreshInterval>0</refreshInterval> -->
    <!-- default datastore list refetch interval, after getting a VMFS event, in seconds-->
    <!-- <refetchVMFSDatastoreListInterval>30</refetchVMFSDatastoreListInterval> -->
    </datastore>
  3. Remove the comment indicators and replace the 0 (zero) in the <refreshInterval> element with the desired number of minutes. For example, to set the refresh interval to one hour, change this line:<!-- <refreshInterval>0</refreshInterval> -->

    to:

    <refreshInterval>60</refreshInterval>

  4. Save and close the file.
  5. Restart the hostd service for the changes to take effect.
  6. /etc/init.d/hostd restart

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Select your Cisco Switch

Select your Cisco Switch

Quickly identify the right Cisco switch for your needs—whether you’re acquiring a new switch or upgrading an old one.

Just answer a few simple questions and get your results. It’s that easy, so let’s get started.

Cacti Table ‘host’ is marked as crashed and should be repaired

Cacti Table ‘host’ is marked as crashed and should be repaired

My Cacti server lost all host information and on monitor tab its showing error  “Table ‘host’ is marked as crashed and should be repaired”

I tried google got below solution that worked for me .I got my all devices back to monitor.

go to cli directory    /var/www/html/cli/

and run command  “php repair_database.php”

[root@localhost ~]# cd /var/www/html/cli/

[root@localhost cli]# php repair_database.php
Repairing All Cacti Database Tables
Repairing Table -> ‘cdef’ Successful
Repairing Table -> ‘cdef_items’ Successful
Repairing Table -> ‘colors’ Successful
Repairing Table -> ‘data_input’ Successful
Repairing Table -> ‘data_input_data’ Successful
Repairing Table -> ‘data_input_fields’ Successful
Repairing Table -> ‘data_local’ Successful

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