Tag Archives: Linux
In Windows or Linux, no doubt, you have to download files from Internet. The practice of using Download Manager to manage the download is widely seen within sytem administrators. There are cases, they don’t know that they are using a download manager; though they use it. Windows users are very much aware of Dowload Managers to manage and, sometime, boost their download speed. But in Linux, due to low footprint, the ‘download manager’ concept is not that much popular. The main reason is that, a large portion of the admins are still prefer to use CLI instead of GUI and Download Managers are GUI friendly. In this article I will try to show you few CLI based download managers that can help you to understand and utilize it for your better productivity.
Portable Linux is something that most of the System Administrators rely on to quickly fix a broken system or do some administrative work while on move. Any portable Linux runs on very low profile hardware, as low as 100MB space, 16MB Ram etc, that you may think now out-of order in modern computing world. There are also practices where systems without Hard Disk, Monitors are kept in a corner to perform very specific network task like Intrusion Protection System (IPS), Intrusion Detection System (IDS), Web Server, Mail Server, File Server etc with low security exposure. In these situation portable Linux is the prefered solution. Anyway, there are many other reasons of having a portable Linux in your pocket and that’s the reason of growing community of portable Linux.
In this article we will try you to show 5 best portable Linux that are popular in the community. Obviously, if you are a good System Administrator, you can make any Linux portable. But we are talking about typical portable Linux well-known as “Portable”.
Our Recent article on CompTIA Linux+ certification got a huge interest among our readers and influenced us to share another Linux certification program that is more attractive and recognized in the industry. Certified Engineer (RHCE) is so far known as the best Linux certification program. This article is all about how you can achieve RHCE certification and move your career further improved as System Administrator.
Linux+ is the quickest way to prove your Linux skill to your employer, if you want to be a Linux expert in future.. Previously the certification was was managed completely by Linux Professional Institute (LPI) and now by The Computing Technology Industry Association (CompTIA). Now the certification is known as CompTIA Linux+ Powered by LPI. This is a high-stakes, vendor-neutral certification that validates the fundamental knowledge and skills required of junior Linux administrators.
The 1st Part of the article described some introductory discussion about ‘find’ with some useful examples. We hope you enjoyed it very much. In this article we are going to continue with examples with more practical situation. We will combine find’s capability with Linux’s pipe or Shell’s functionality to produce some very useful command-set for day to day System Admin work.
There are many reasons, you may need to find specific files. For any operating systems, there must have a utility to help the users to find specific files. Wildcard can help a bit to filter out file list for directory listing; but that cannot meet demand if you want to specify file type, size, create date, owner etc. Almost all UNIX and Linux give a file search utility named find. find is one of the very resourceful command that supports a wide range of parameters to use with and can be used with other commands to give better execution power. We will see more details below. Though find is available in UNIX and all Linux OSes, we are showing the examples from Linux and more specifically inLinux. But obviously, it will be same for any Linux.
Email Spam is known as Junk email, UBE (Unsolicited Bulk Email). If anyone send a identical mail to numerous recipient is simply called Spamming. Spamming is a great problem for all kinds of users, it kill system resource, time and money.
SpamAssassin is a open source free application to provide filtering for unwanted junk email (SPAM). Main theme is that, “filter your mail before it reach your inbox”. You can integrate SpamAssassin with mail server to filter spam email. It providse many useful features like DNS base spam detection, online database, external programs, blacklist etc. In this article we will show you, how you can use smamassassin to fight with email spam, various types of filtering methods, making database to prevent spam etc. so keep eyes on whole article.
Its a common problem to forget password for any system. Even its also happens for root users, then we have to recover password for root. Root user is most power full user of Linux system. You can do anything with root access. The fact is, you can change others user password with root access, but for root user either you have to know present password or you have to go for recovery mode.
For security reason all system admins have to know how this gonna work. because any one can do this with your system and take access your full system. So know it first and then secure your system. In this article i will show you some recovering methods for root password.
Linux Operating Systems are now very smart. Running Linux is much more easier than even running Windows, now a days. Almost all kind of hardware and drivers are readily available, before you know what to do. But still there are situation when you need to know about more details of the installed hardware. A smart System Admin will always try to make sure that the driver the server is being used is the right one and matches with the hardware chipset. So, this is important to know more details of the hardware for advanced system administrators. In this article we will try to introduce you with a very basic and strong Linux command that will list all kind of pci hardware installed in the Server. Let’s move!
DansGuradian is content control application to provide various kinds of web filtering. That means with, you can control your web services in many ways like block some urls, ipaddress, users, top level domains (.com, .net), Sub domains (porn.zz.com) etc. It also has built-in virus filtering and block functions , web site monitoring, log analysis functions. You can check log file to see what your users are doing on the internet. DansGuardain is open source software that runs in Linux, FreeBSD, OpenBSD, NetBSD, Mac OS X, , etc.