Sunday, January 24, 2021

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Quick Review in linux

  How to Creating, Removing, Copying, Moving files & Directories in LinuxUsing cat command:[root@dev ~]# cat > filename1This is world file                               ...

Friday, January 1, 2021

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How to Manage SELinux

   SELinux?Selinux is security it was developed by USA Army .Selinux is used for internal security  that mean It's maily  used to protect internal data not for external in system.In real time SELinux is disabled and instead of this IP tables and Firewall are used. It protects all the services,...
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Booting process and Kernel

 BootingWhenever we  power on the system and server. The system runs and check all self  hardware and software and detects all the connected input and out peripherals device. This process is called POST (Power On Self Test). If It is found any errors .It displays on the screen.Linux booting process...
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Domain Name System (DNS)

               DNS (Domain Naming System)                                                           ...
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Write the syntax for displaying the last 6 lines of a file data in Linux

 tail command : we can pass the parameter .you want to how much line in retrieves data from file .  Syntax : tail   -n  /var/log/messagesDisplay last 6 line in file :  ex :  tail -n 6 /var/log/messages  ex:  tail -n 6 auth.log...
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Create and Restore incremental backup in Linux using tar ?

 Let's start . Step 1:saurabh@server:~$ mkdir linux_file_backupsaurabh@server:~$ cd linux_file_backup/saurabh@server:~/linux_file_backup$ mkdir -p backup restoresaurabh@server:~/linux_file_backup$ lsbackup  restoresaurabh@server:~/linux_file_backup$ cd backup/saurabh@server:~/linux_file_backup/backup$ touch file{1..5}saurabh@server:~/linux_file_backup/backup$...
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How to install and configure Samba share with windows and Linux (CentOs ,Redhat,Ubantu)

 #Install and Configure Samba :Find the package install or not [root@-86 ~]# rpm -qa samba [root@-86 ~]# yum install samba samba-client samba-common#Create Directory  [root@-86 ~]#mkdir  /sharedata/[root@-86 ~]#chmod /sharedata/[root@-86 ~]#chcon -R  -t  samba_share_t  /sharedata/       ...
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