Trying to debug that Linux issue or need help installing it on another system? This is the right place for that and other Linux-related tips.
New to Linux? Get familiar with some of the basic yet essential commands which you will have to use regularly as a Linux administrator. Find kernel version uname -r Display file size in human readable format (e.g. KB, MB etc.,)? ls -lh What is the Linux process priority levels? 19 (lowest) to –20 (highest) How…
Learn what netstat command and some of the real-time examples are. netstat (network statistics) is a command-line tool that displays network connections (both incoming and outgoing), routing tables, and a number of network interface statistics. It is available on Linux, Unix-like, and Windows operating systems. netstat is powerful and can be a handy tool to troubleshoot network-related issues and verify connection statistics….
Why would you do that? Well, I can understand if you are new and want to play around, learn or want a test drive. Or maybe just bored with Windows and MAC. Following tools will help you launch Linux based OS within a browser. The good thing about that emulator is you don’t have to…
Setting up open-source is always challenging if required libraries, dependencies are not installed on the server. Sometime it could be frustrating. I was implementing Zabbix a few weeks back and got this error. checking for libperfstat 5.2.0.40 fileset… no checking for libperfstat 5.3.0.60 fileset… no checking for architecture… linux (linux-gnu) checking for the linux kernel…
I was working on Slowloris and while execution got a follwing error. [[email protected]lhost Downloads]$ ./slowloris.pl localhost Can’t locate IO/Socket/SSL.pm in @INC ( @INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .) at ./slowloris.pl line 4. BEGIN failed–compilation aborted at ./slowloris.pl line 4. [[email protected] Downloads]$ If you are getting a similar error, you can fix by installing…
There were many of you asked so thought to put things together. In this article, I will talk about how to upgrade JDK (Java Development Kit) from 1.6 to 1.7 on Red Hat Linux or CentOS This would assume you have root permission and JDK 1.6 or lower version already installed. Let’s verify the java…
New Look. New CentOS! Yes, that’s what CentOS 7 says. Anyway, lately, I installed CentOS 7 over VMware and installation were quite smooth. Immediate after installation, I tried to browse some web, and it was failing. While doing basic troubleshooting, I noticed there were no IP when I did ifconfig [[email protected] ~]$ ifconfig ens32: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>…
cURL is a command-line tool to get or send data using URL syntax. If you are working as a developer or in the support function, you must be aware of cURL command usage to troubleshoot web applications. cURL is cross-platform utility means you can use on Windows, MAC, and UNIX. The following are some of the most…
