Skip to content

How to add program available to user under CageFS

CloudLinux servers are built to be far more secure than traditional CentOS servers, especially with the addition of CageFS. However, sometimes you might want to allow your users access to some of the commands that are disabled by default. In our example we needed to enable rsync.  If this is your problem, you and your …

Intel CPU EVC Matrix (VMware Enhanced vMotion Compatibility)

Intel uses a model named “Tick-Tock” to follow every microarchitectural change with a die shrink. This results in having two EVC baselines for every microarchitecture. I’ve created a small table with a quick overview about EVC Modes with their appropriate CPU Series and Codenames used by Intel to denote their CPUs. I’ve also included additional Codenames that …

Mysql DB size

With the following query you will get summary of all DB size SELECT table_schema AS “Database”,ROUND(SUM(data_length + index_length) / 1024 / 1024, 2) AS “Size (MB)”FROM information_schema.TABLESGROUP BY table_schema; You can also explode single DB and get size of each table with the following query (change db_name with the name of database you want to …

How to use the DNS translation feature

Description The DNS translation feature available in the FortiOS firmware is designed to modify the DNS reply from a DNS server. It is typically used to allow internal users of a network to access resources with their private IP addresses, hence can simplify the firewall configurations. A network diagram is provided below with an example that illustrates …

How internal users can access internal resources via an external VIP

Products FortiGate Description This article describes a solution for the following requirement : A user located to an internal LAN needs to access a server located on an internal LAN or DMZ by using however a public Virtual IP on the Fortigate. External users also access the same server via the “external” port. The following …

Fixing Office 365 DirSync account matching issues

Recently I had to fix some issues with DirSync. For some reason (there were some cloud users created before DirSync was enabled) there were duplicate users, because DirSync failed to match the already present cloud user and the corresponding AD (Active Directory) user. There were also accounts that failed to sync and thus failed to …

Create a MySQL Slave using Replication with No Downtime

I have a customer who has over 100GB of MySQL data and taking their site down for even a few minutes is not feasible. I really wanted to get a slave set up in case the main server ever dies. Even though the server is backed up, it would take 2-3 hours (or longer) to …