Archive for the ‘RHEL (Red Hat Enterprise Linux)’ Category

Change default runlevel in CentOS 7 / RHEL 7 | GUI | NON-GUI

Hello All, As systemd is already implemented in CentOS 7 and RHEL 7, Method has been changed to change runlevel in Red Hat Enterprise Linux and CentOS 7. So sharing method to change runlevel in CentOS and RHEL 7   Please perform following simple steps to change runlevel from GUI to NON-GUI and NON-GUI to GUI. […]

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HowTo: Install MySQL Workbench on RHEL 5.x / CentOS 5.x | x86_64

Hello What is MySQL Workbench ? MySQL Workbench is a unified visual tool for database architects, developers, and DBAs. MySQL Workbench provides data modeling, SQL development, and comprehensive administration tools for server configuration, user administration, backup, and much more. MySQL Workbench is available on Windows, Linux and Mac OS X. Sharing article which will help you […]

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SAR GUI: Export sar / sysstat reports as PDF using kSar

Hello, If you are Linux Administrator you must know what SAR is, sar is a very useful utility for Linux Administrators to get the report of CPU Usage and You can monitor I/O, CPU Usage, Idle system state using sar utility. This article will help you to read / export sar reports in Graphical mode. […]

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ShellShock Bug: Check / Identify / Solve Vulnerability

Hello, Patch your bash now Just heard that your shell / bash may be vulnerable or buggy. This post will help you to check whether your Shell / bash of Red Hat Enterprise Linux is vulnerable / Bug infected or not. How does this impact systems This issue affects all products which use the Bash […]

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MySQL: Drop all tables from Database using Script / Linux

Hello, Few days back, I got a task to do, Task was Keep the database as it is, So that we do not have to add database users, privileges and everything again and again, Just Drop all the databases tables inside the database. If there are only few tables like 5 or 10 than it […]

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RHEL 7 / CentOS 7 / Grub2 : Protect Single User Mode / Rescue / Emergency with Password

Hello All, As we all know Red Hat Enterprise Linux 7 and CentOS 7 Linux is out now, Recently I have posted How to enter into Single User Mode / Rescue / Emergency Mode on RHEL 7 / CentOS 7. This post is to Secure Single User Mode / Rescue Mode / Emergency mode on […]

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RHEL 7 / CentOS 7 : Single User Mode / Recovering / Reset Root Password

Hello, Setting up the root password is a mandatory part of the Red Hat Enterprise Linux 7 / CentOS 7installation. If you forget or lose your password, it is possible to reset it. Now it is known as Rescue Mode / Emergency mode in CentOS / RHEL 7, Previously in RHEL / CentOS 5/6 It was “Single User […]

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RHEL 7 / CentOS 7: How to get started with Firewalld

Hello All, Today I was trying to learn and know about Systemd. I have found one of the great Article about firewalld, Sharing with you guys, It will help you to understand this biggest and major change in RHEL and CentOS 7. This article is not mine, I found on internet and felt that this […]

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