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Linux Practical Security Course

Dear Members , I am happy to announce that Linux Practical Security by LZH Project is complete. We will launch it shortly. Please support us by buying and rating this course. For first 20 buyers there...

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Recovery of the File System from Disaster

Hey Guys, long time no see…Well i am back and this time the issue is File System. What Happened ? Well My Backup Server’s root partition ran out of space due to some issue, and since it was on LVM...

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Linux Tips ( chmod tip )

Hey Guys this is going to be a new series of posts in which i will be sharing some cool linux tips.  You can watch the video of this post on http://www.youtube.com/linuxking So here is the first tip...

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Linux Tips ( grep the text without hashes and blank lines )

In our second post of linux tips i would like to share a very simple example in which i will use grep tool to remove all the hashes and blank lines from a file. In our example we will use file1.txt...

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How to Bring back eth0 on CentOS 7 ( No Dynamic Ethernet Names)

To Install CentOS 7 without dynamic Ethernet names such as enps2001 use the following technique. Edit the grub file Go to /etc/default/grub and add the following lines In front of /root add the...

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Convert pkcs12 key to bks format for Android

Dear Reader, If you ever want to convert a pkcs12 format key to bks format for Android follow the below instructions. First of all downlaod bcprov-jdk16-1.46.jar file [root@itpings certs]# wget...

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How to Add Physical Disk to Increase Size of /dev/mapper/centos-root

Dear Friends, I ran into a problem where my openstack machine ran out of space. My Logical FS /dev/mapper/centos-root was only 50GB and most of the space was lost. Solution: LVM I Added a new 500GB HDD...

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How to Install PhPMyAdmin on Centos 7 from source

Dear Friends, First of all we will install required repositories. [root@itpings opt]# rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm [root@itpings opt]# yum -y install epel-release...

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HowTo Mount 8TB USB in CentoS 7 Server.

This howto is about “How To mount 8TB External USB” in CentOs 7 server. # yum – y install epel-release # yum -y install ntfs-3g # lsblk sdc 8:32 0 7.3T 0 disk └─sdc1 8:33 0 7.3T # mount -t ntfs...

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Encrypt/Decrypt File with Vim Editor

In this howto we will see how to encrypt and decrypt a file with Vim editor. Lets Encrypt a file: linux-06ac:/opt # vim -x encryptedfile.txt Warning: Using a weak encryption method; see :help 'cm'...

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