Ubuntu
This tutorial looks at the various aspects of the Ubuntu Operating system. It discusses various features, flavors, and working of the Ubuntu desktop edition. A comparison is made against software…
For Linux
Ubuntu – Word Writer
The Word Writer comes in-built in Ubuntu and is available in the Software launcher. The icon is encircled in red in the above screenshot. Once we click on the icon,…
Set Up Python with CentOS Linux
Python is a widely used interpreted language that has brought professionalism to the world of coding scripted applications on Linux (and other operating systems). Where Perl was once the industry…
Linux Admin – Quota Management
CentOS disk quotas can be enabled both; alerting the system administrator and denying further disk-storage access to a user before disk capacity is exceeded. When a disk is full, depending…
Linux Admin – User Management
When discussing user management, we have three important terms to understand ā UsersGroupsPermissions We have already discussed in-depth permissions as applied to files and folders. In this chapter, let's discuss users and…
Linux Admin – File / Folder Management
To introduce permissions as they apply to both directories and files in CentOS Linux, let's look at the following command output. [centos@centosLocal etc]$ ls -ld /etc/yum* drwxr-xr-x. 6 root root…
Linux Admin – paste Command
The paste command is used to merge lines of files. Following are the commonly used switches. SwitchAction-dSpecify delimiter-sPaste one file at a time instead of in parallel The best example to clearly…
Linux Admin – tr Command
Following is the syntax for tr. This command translates or deletes characters. tr [OPTION] SET1 [SET2] Following are the commonly used switches and character classes with tr. CommandAction-dDelete-sSqueeze repeated text in SET1…
Linux Admin – sed Command
sedĀ is a complex utility to master. This command streams the editor for filtering and transforming text. Entire books have been written dedicated to using sed proficiently. So please keep in…
Linux Admin – cut Command
cutĀ andĀ grepĀ are two of the most useful and common commands for a CentOS Administrator. The cut is extremely useful for dealing with delimited files such as Linux configuration files, Linux preference…