Introduction A decent knowledge of networking is important for any system administrator managing servers in an enterprise environment. Linux and UNIX distributions provide a number of different commands which we could use to...
Read MoreIntroduction If you’ve been working with Linux/UNIX operating systems for a while then you would’ve probably used the ifconfig command very frequently. In case you are new to Linux operating systems it’s still...
Read MoreIntroduction The ability to effectively understand and monitor log files is an important part of a system administrator or developer’s job responsibilities. Since, while working with Linux systems when services and...
Read MoreIntroduction Today I received an interesting requirement. A customer wanted their FTP users on several new servers (having the same username) to have the same password as that of the users on an older server. The problem...
Read MoreIntroduction The ability to check memory usage on Linux systems follows the popular UNIX philosophy “there’s more than one way to do it”. We have multiple commands to check and diagnose memory usage on Linux...
Read MoreIntroduction A bootloader is a small program that loads up code required for operating system startup. This mainly includes the location of the operating system kernel and the options which should be used to load the kernel....
Read MoreIntroduction In an earlier article, we discussed the systemd system startup manager in detail and also ventured into the reasons why it has replaced sysvinit as the default system startup and service manager for many popular...
Read MoreIntroduction In one of our earlier articles we discussed the sysvinit system startup and service manager in detail. In a subsequent article, we compared sysvinit with other two major alternatives to sysvinit i.e. upstart and...
Read MoreIntroduction Configuring passwordless ssh authentication between users on the same or different systems is a common task for a system administrator. Following the available steps is simple enough but we may often find ourselves...
Read MoreWe are excited to announce our online training from this weekend. These trainings are in-person and online based through GoToMeeting software. The first training which is we are planning to give is “Bash shell...
Read MoreIntroduction Every system administrator is a frequent user of the bash history command to recall previously executed actions. We frequently use the bash shells’ history feature to check what commands we executed previously...
Read MoreIntroduction In our earlier articles on using the GIT version control system, we’ve shown you how to set or change default user name and email and how to set or change the default editor. In this...
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My name is Surendra Kumar Anne. I hail from Vijayawada which is cultural capital of south Indian state of Andhra Pradesh. I am a Linux evangelist who believes in Hard work, A down to earth person, Likes to share knowledge with others, Loves dogs, Likes photography. At present I work at Bank of America as Sr. Analyst Systems and Administration. You can contact me at surendra (@) linuxnix dot com.