General

Question: How do I check whether my Linux operating system is running on 32-bit or 64-bit? Answer: If you’ve installed it, you should know, as the installation CD (or ISO image) for a 32-bit Linux OS and 64-bit Linux OS are different. Let us assume that your sysadmin installed the OS, and you didn’t know [...]

All open source applications use MySQL database. With the introduction of stored procedures in MySQL 5, it is getting widely adopted by Oracle developers and commercial organizations. If you are sysadmin, DBA, or developer, or someone who manages IT development, you should have good knowledge on MySQL database. A while back, I provided a list [...]

Question: How do I find out the DELL service tag and express code of a PowerEdge server that is running VMWare ESXi (or VMWare Server)? Answer: Depending on what you are running (i.e VMWare ESXi or VMWare Server), use one of the methods shown below to identify the DELL service tag. Method 1: Identify DELL [...]

This article provides practical examples for 50 most frequently used commands in Linux / UNIX. This is not a comprehensive list by any means, but this should give you a jumpstart on some of the common Linux commands. Bookmark this article for your future reference. Did I miss any frequently used Linux commands? Leave a [...]

If your server has two HBA cards connected to EMC SAN storage device, you can implement load-balancing, and fail-over on the HBA cards using the EMC PowerPath software. Powermt management utility helps you manage I/O paths from the server to the EMC storage device. In this article, let us discuss how to use powermt command [...]

If you are a sysadmin, dba, network administrator, IT manager, or someone who is responsible for keeping the IT infrastructure up and running, you should implement a robust monitoring solution that will notify you when there is an issue. It should also notify the right people at the right time about a potential issue, even [...]

rsync stands for remote sync. rsync is used to perform the backup operation in UNIX / Linux. rsync utility is used to synchronize the files and directories from one location to another in an effective way. Backup location could be on local server or on remote server. Important features of rsync Speed: First time, rsync [...]