Find Command In Linux The very popular Linux admins friend find command in Linux was created as a part of the Unix operating system by Ken Thompson and Dennis Ritchie at Bell Labs in the golden era of new computer development in the 1970s. Thompson and Ritchie were two of the pioneer developers of the …
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How To Enable X11 Forwarding in RHEL 8 / Centos 8 X11 is very important for a sysadmin because some applications only install or run on GUI. This always happen in case of third party applications. So in this article, we are talking about how to use x11 forwarding. This is an awesome tool for …
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How to check and disable Selinux in Centos7/8, RHEL 7/8 SELinux – Security-Enhanced Linux It is a security architecture that gives you more control over the system that others can access. It was integrated into Linux in 2003. SELinux is enabled by default and you can check SELinux status with the command sestaus. SELinux usage …
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How to Check and Disable Firewall in Centos7/8, RHEL 7/8 As we know the firewall is very important for our system or server security. In some cases where you have an external firewall in your network or you are using a different firewall, you need to disable the firewall. Few sysadmins disable firewall for …
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How To Open/Extract ISO File in Linux In this article, we will see how to open an ISO file and extract or copy data from it. Here we take an example of the RHEL ISO image in your case it can be different. make sure the correct permission of iso file because if your user …
DU vs DF – Why du and df show different results in Linux? This is a common problem and question of every sysadmin that why they got different results in du and df. Mostly sysadmin relies on du over df for accurate results. In this article, we learn some basic facts about df and du …
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How to use fdisk to Partition Disk in Linux Fdisk is a disk partition table manipulation program. By this command, you can manipulate the disk partition table. fdisk is can be used for less than 2TB disk more than 2TB you have to use the parted command. In this article, we will see how to …
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SSH Without Password in Linux/RHEL/Centos/Ubuntu Easy Steps Here in our article, we will show you how to log in to another Linux machine using ssh secure key without a password. This ssh passwordless authentication will work on almost every Linux distribution RHEL, Centos, Fedora, Ubuntu. Our Setup In this setup, we will take the example …
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How to Use Parted for Partition Disk Sometimes we face issues in fdisk for more than 2TB volume format. In the end, it will ask for gpt error. Parted is commonly used by sysadmin for volume more than 2 TB but you can use less volume too. Please find the below method how to use …
How To Reduce vdi Size in VirtualBox and Free Disk Unused Space VirtualBox is an oracle hypervisor that we install in our base machine or laptop to use another guest OS in this. Virtual box and we always select dynamically allocated disk which will increase as we add data in guest OS. But it does …
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