How to Install ownCloud on CentOS

Hi all, Storing our data with a third party server or storage place has been always a concern. We used to save our personal as well as company or organization related data with storage space providers like Dropbox, Google drive, Outlook drive etc. They provide security for our data but sometimes we need to go […]

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Manage MySQL Users – Webmin

When it comes to the database and user management with Webmin, it can be a little confusing or sometimes we could not find the actual steps to follow. In this article we will learn how to Manage MySQL users with Webmin control panel installed on our server. The method is very easy. You can follow […]

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Install and configure sysstat/sar on Ubuntu/Debian server

Hi, The sar/sysstat is a very useful and effective tool to monitor your server resource usage, by installing it you will be able to find out the server’s load history, resource usage etc. The steps to install it on a Ubuntu/Debian distro is given below. Installation of SAR on Ubuntu/Debian In a debian based server […]

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Archive files using ‘ar’ command

Hi all, Here is a Linux command that is not very common. We archive files using ‘tar’ command, here the command ‘ar’ is used to archive files. Some of the options and details are shown below with ‘ar’. Take the terminal window and type in the below command. Archive files:

Example: Suppose we have […]

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VENOM: QEMU vulnerability

Red Hat Product Security has been made aware of a ‘buffer overflow’ vulnerability affecting the Floppy Disk Controller (FDC) emulation implemented in the QEMU component of the KVM/QEMU and Xen hypervisors. The vulnerability is now called as VENOM and it was discovered by Jason Geffner of CrowdStrike, Inc. The vulnerability is said to have an […]

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How to change WordPress admin password through command line.

MySQL older versions(<<5.x) 1.You will have to generate an MD5 hash of your desired password. You can generate one from here

2. Get access to MySQL command prompt.

Enter the mysql root password. 3. Get the list of databases currently on your server.

4. Select your wordpress database ( here it is […]

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Zombie processes

While checking the process list, you might have noticed something like this : sh <defunct> These are zombie processes. On Unix operating systems, a zombie process or defunct process is a process that has completed execution but still has an entry in the process table, allowing the process that started it to read its exit status. […]

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SSH login without password

You may find it difficult to enter the password each time you try to SSH to the server. This article will help you to login automatically, without entering the password. Suppose you want to login to the server Y [hostname or IP] as user y from the local host X where you are user x. […]

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Start networking on boot

You might have noticed that your Ububtu server does not respond to ping requests after a reboot. In Ubuntu the networking is not started by default on boot. This might be causing the issue. To start networking on boot, you may follow the below given instructions. 1. create a script in /etc/init.d with the following […]

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Speed-up SSH Login

1. You may have to wait a long time to access your server via ssh. To have faster ssh logins you may try the following: The most often suggested fix is to add the following to your server configuration (sshd_config):

This prevents the SSH server from making a reverse DNS lookup – that is, […]

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