Monthly Archives: April 2012

See logged in users on CISCO IOS and disconnect them.

Posted on April 28, 2012 by pingd

So you may want to see who else is accessing the switch or router that you’re on. Sometimes this is because you get a write error when trying to save the running config. The error would be something like: This … Continue reading →

Posted in CISCO IOS Guides | Tagged cisco ios, clear line vty, Device or resource busy, disconnect ios user, drop ios user, kick ios user, line session, other users on switch, running config, startup-config file open failed, systat, terminal lines, vty, write config | Leave a comment

Disable ModSecurity For Single Vhost

Posted on April 27, 2012 by pingd

Some times you may find that a script trips a ModSecurity rule, but the rule is useful for general security on the box. If it’s your own site, it’s easy enough to change the code. However if it’s a customer’s … Continue reading →

Posted in cPanel Guides, Linux Guides | Tagged disable mod security, httpd.conf, modsec, modsecurity, modsecurity rules, mod_sec, mod_security, vhost | Leave a comment

Kill All Sleeping MySQL Connections

Posted on April 26, 2012 by pingd

Sometimes you may find that your server has a ton of MySQL connections with their state set to “Sleep” This will clear out those connections. You will need to look at your MySQL config and see how long you’re allowing … Continue reading →

Posted in Bash One-Liners | Tagged kill sleeping connections, max client connections, mysql management, mysqladmin, one liner, sleeping client connections, while loop | Leave a comment

CentOS 6 Yum-Cron Automatic Updates

Posted on April 24, 2012 by pingd

Some of us prefer the yum-cron method of automatic updates. CentOS 6 shipped out with a daemonized updater that may not suit your particular needs. Here is the proper procedure for switching over to yum-cron: You should then run a … Continue reading →

Posted in Linux Guides | Tagged automatic updates, centos, centos 5, centos 6, centos automatic updates, centos updates, chkconfig, yum install, yum-cron, yum-updatesd | Leave a comment

VLC 2.0.1 Vulnerability

Posted on April 20, 2012 by pingd

There is a new vulnerability in VLC as of 04/19/2012. It’s a denial of service division by zero exploit. The affected versions of software are VLC 2.0.1. The division by zero vulnerability is experienced when handling MP4 files. The following … Continue reading →

Posted in Network Security | Tagged denial of service, dos, exploit, vlc, vlc 2.0.1, vulnerability | Leave a comment

WHM Not Showing Disk Usage Under List Accounts

Posted on April 18, 2012 by pingd

Did you login as root to your WHM and see that the List Accounts page does not show you your user’s disk usage. It may show the usage is 0 or unlimited. You need to initialize quotas! First you need … Continue reading →

Posted in cPanel Guides | Tagged cPanel, cpanel guide, disk quotas, disk space, initial quota setup, quotas, server configuration, WHM | Leave a comment

Remote Processor Buffer Overflow: Snort 2.6.1, 2.7 Beta 1, SourceFire IDS 4.1, 4.5 and 4.6.

Posted on April 17, 2012 by pingd

As of 04/09/2012 there is a remote processor buffer overflow alert/concept for the following software: Snort: 2.6.1, 2.7 Beta 1 SourceFire IDS: 4.1, 4.5 and 4.6

Posted in Network Security | Leave a comment