This is a single line sed command to illustrate the example of , ” How to print particular line number by using sed command ” . sed command are the ultimate stream line editor. Often we generally share sed related tips. Given below is content of file called test. Absolute path is /tmp/test This is…
Today while working on CentOS 7, I used yum command to install some packages. But I interrupted the yum command by pressing CTRL + C from keyboard. Which lead me to this error : There are unfinished transactions remaining. You might consider running yum-complete-transaction, or “yum-complete-transaction –cleanup-only” and “yum history redo last”, first to finish…
In this tutorial we will learn, how to install MariaDB Server on CentOS 7 / RHEL 7 . Before the stable release of RHEL 7, it was confirmed the MariaDB will be default database. This is one of the major changes we have observed in this RHEL 7/CentOS 7 stable release. Whereas MySQL server still…
In this tutorial we will learn, how to install MySQL Server 5.6 on CentOS 7 / RHEL 7 . In our previous post, we have installed MySQL Server 5.6 on CentOS 6.x/RHEL 7.x. In CentOS 7/ RHEL 7 , now MariaDB is introduced as a defualt database. Still many Organisations/Company would like to continue with…
The opensource pagespeed module ( mod_pagespeed ) is widely used for speed up the websites. Pagespeed module is available for Apache and Nginx . Currently, to list your website on google top search page , your site must be opened quickly. Hence, speed matters for user end experience also. Now a days, users do not…
In this tutorial we will learn how to install nginx from source on CentOS 7 . Nginx has ability to handle more than 10,000 simultaneous connections with nearly 2.5 Mb of memory usage. In our previous post on installing nginx from source on CentOS/RHEL , we have already mention brief intro on Nginx. Why we…
While working on Nginx compilation from source, we got the error ‘Can’t load ‘/usr/local/lib64/perl5/auto/nginx/nginx.so”. In this post we are sharing the solution to fix this issue.
In this post we will learn about how to backup and restore iptables on CentOS 7 and RHEL 7. The steps are still same as we have found in previous CentOS/RHEL versions. For backup and restore process of iptables, you should be login with root user in system Step 1 : To take iptables backup…
On the journey of exploring the newly releaed CentOS 7 . I found another interesting thing. This is related to iptables. In previous CentOS versions, we used to stop iptables service by using the command service iptables stop or /etc/init.d/iptables stop On newly shined CentOS 7 / Red Hat 7 , with systemctl command we…
As we know recently CentOS 7 is released ,studded with many new features. On the part of exploring the CentOS 7, I encountered with first change. In my last post on finding the CentOS release version on CentOS 7, I gave a brief info that networking related changes is also found. A few days back…
Recently I installed CentOS 7 in my local system. As we know there are many new changes has been done in CentOS 7 version. Today, I am writing about our first finding in CentOS 7. Through this post we will know about how to find CentOS Linux realase version on CentOS 7 series. In previous…
The post describe about how to remove python module installed from source code on Linux.
We use python setup.py install command to install the python module from source code. The related files copied to various path. Hence we will target these files copied in various path
In this post we will learn, how to setup self signed ssl certificate on Owncloud 6 in Ubuntu 14.04 LTS Server . The steps are almost same as we have done in post “Setup Owncloud 6 with self signed SSL certificate on Ubuntu 13.10” With the arrival of new Ubuntu version 14.04 LTS, there are…
Few days back I setup Owncloud 6 on Ubuntu 14.04 . After a gap of a few days, I again started the testing server to do some new practical. But after opening the Owncloud I got this given below error – You are accessing the server from an untrusted domain. Please contact your administrator. If…
Today this is another post on sed command in our blog. sed which is one of the famous and dynamic stream line editor use in Unix/Linux Operating System . Along with sed command we can use many available option. One of the option is -i . As per the manual page of sed command (Run…