I was using home build deployment system, but want to move to Jenkins. One problem is that I do not keep app configuration in revision control system for security reasons. What could be a solution to assemble code and configuration for deployment?
I would like to migrate from Nagios + Cacti to Icinga. Because I would like one interface for active and trends monitoring. What could be problems and how to solve them?
How to allow a user in Nagios to view the status of some servers, but not disable/enable anything?
How to optimize iptables for high DNS traffic? I have a dedicated linux server acting as bridged firewall using iptables. Recently behind firewall was deployed DNS server with high load and firewall began to work slow. Some tips, how to make firewall more effective?
How to monitor freeradius using EAP-MSCHAP v2 authentication method with Nagios? Do you know any nagios plugins for such monitoring?
How to monitor Cisco IPsec VPN with Nagios? I want to check if a user can connect to VPN.
Had two Debian stable (as of 2009-05-28) servers suddenly broken, when /dev/null became unwritable. It appeared that when I restart udev it sometimes (randomly) changes /dev/null permissions sometimes making it unwritable. Server configuration is pretty standard and no udev rules are changed. Does anyone know what kind of a bug this can be?
What are differences of SSL certificates for web server, such like extended validation, Smart Seal, wildcards, single root? What certificates are appropriate for what needs?
What are main steps doing forensic analysis of linux box after it was hacked?
Lets say it is a generic linux server mail/web/database/ftp/ssh/samba. And it started sending spam, scanning other systems.. How to start searching for ways hack was done and who is responsible?
I would like to hear real stories, how your linux box/server was hacked and what you do not to fall in to the same hole again.
How to minimize memory usage on LAMP? Virtual dedicated server, max 512 RAM, 20 GB drive space, it should run a Wordpress blog. Not sure for load, but lets say 2-5k visitors per day.
Is there any working graphical tool to generate nagios user-supplied map coordinates to hosts? Or is there any simple way to do by script or manually?
It is a common situation, when administrator makes system for automatic backuping and forgets it. Only after a system fails administrator notices, that backup system has broken before or backups are unrestorable because of some fault and he has no current backup to restore from... So what are best practices to avoid such situations??
Have you noticed any VmWare server 2 performance issues? Can it be used for less important production systems?
What is VPN solution which requires minimum support for not technical users? I need a solution which would not require lot support at least for windows users without technical knowledge. And could be supported by phone most of the time. This would be a solution for university, where every student can connect to university network.
What is the best way to deal with spam or virus infected hosts in wireless network with personal laptops (like personal students laptops in university)? What polices and tools use your company?
I would like to hear from people who have personal experience recovering crashed systems or data from crashed drives using lvm+ext3 and ext3. Which option is harder to recover from backup or to extract missing data?
How to migrate VirtualBox 2 virtual computer (virtual drive) to VmWare Server 2? Computer itself runs Linux, virtual computers run Windows XP and Windows Vista. I need support for GRE protocol, which is not done in VirtualBox.