Around The Geek World is a monthly summary of interesting articles and news around the geek world with my brief comment. Linux-Unix cheat sheets – The ultimate collection – Scott Klarr has done an excellent job in putting together almost all the best Unix cheatsheets that you can find over the internet. A graphical way [...]
Ramesh Natarajan
Photo courtesy of Jamison Judd This is a guest post written by SathiyaMoorthy. Wakeonlan (wol) enables you to switch ON remote servers without physically accessing it. Wakeonlan sends magic packets to wake-on-LAN enabled ethernet adapters and motherboards to switch on remote computers. By mistake, when you shutdown a system instead of rebooting, you can use [...]
Photo courtesy of roney This is a guest post written by Eric Higgins. We’ve come a long way since the very first instances of verbal and written communication. From the early stages of speech, along with the primitive use of symbols and pictures to convey messages to one another, we’ve evolved into a communications powerhouse. [...]
You can login to a remote Linux server without entering password in 3 simple steps using ssky-keygen and ssh-copy-id as explained in this article. ssh-keygen creates the public and private keys. ssh-copy-id copies the local-host’s public key to the remote-host’s authorized_keys file. ssh-copy-id also assigns proper permission to the remote-host’s home, ~/.ssh, and ~/.ssh/authorized_keys. This [...]
OMSA is a web based application to manage DELL PowerEdge Servers. Using OMSA you can perform proactive system monitoring, system diagnosis, troubleshoot hardware issues and configure RAID etc., You can also view and manage hardware’s embedded system management (ESM) log using OMSA. This is an jumpstart guide that explains how to install Dell OMSA on [...]
Starting from MySQL 5, when you execute show databases command, information_schema will be listed in the database list. information_schema is a virtual MySQL database that stores metadata information of all the MySQL databases. Typically you will execute either DESCRIBE or SHOW commands to get the metadata information. However using the information_schema views, you can execute [...]
Photo courtesy of B Naveen Kumar dmidecode command reads the system DMI table to display hardware and BIOS information of the server. Apart from getting current configuration of the system, you can also get information about maximum supported configuration of the system using dmidecode. For example, dmidecode gives both the current RAM on the system [...]
This is a guest post written by SathiyaMoorthy. Using ramfs or tmpfs you can allocate part of the physical memory to be used as a partition. You can mount this partition and start writing and reading files like a hard disk partition. Since you’ll be reading and writing to the RAM, it will be faster. [...]