Category Archives: Uncategorized

By December 21, 2018

Panic: file mail-index-sync-keywords.c: line 227 (keywords_update_records): assertion failed: (data_offset >= sizeof(struct mail_index_record)) Solution The error can be fixed by removing the user file under spool directory. In our case the path was /var/spool/mail Then rm -rf <user>


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By April 22, 2018

Summary of steps 1> Update the zone file with the new IP 2> Reload the master zone 3> Force transfer to the slave 4> For good measure , restart the bind service on both the master and slave. Also verify the status of the process on both. “systemctl status named” A. Put a list of


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By March 08, 2018

IPV6 test case If we set a static ipv6 and IPV6_AUTOCONF was set to yes. the IPV6_AUTOCONF value will not take affect until we bring down the interface and bring it back up. Performing a network restar will not change the value of IPV6_AUTOCONF.. We have found that after a restart of the network service.


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By February 22, 2017

http://rationallyparanoid.com/articles/tcpdump.html https://www.cyberciti.biz/faq/linux-monitor-all-network-traffic-except-ssh-port-22/


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By December 05, 2016

While upgrading our last Debian 7 server. I swear I must of missed something during the upgrade. I received multiple apache errors and our websites failed to load. Error 1 AH00526: Syntax error on line 74 of /etc/apache2/apache2.conf: Invalid Mutex directory in argument file:${APACHE_LOCK_DIR} Fix source /etc/apache2/envvars Validation /usr/sbin/apache2 -V /usr/sbin/apache2 -t Reference http://askubuntu.com/questions/452042/why-is-my-apache-not-working-after-upgrading-to-ubuntu-14-04 Error


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