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Recent Posts:
- HDPCA Exam Objective – Restart an HDP service
- RMAN-06059 During RMAN Backup of archivelogs ( How to backup archivelogs moved to a different location)
- HDPCA Exam Objective – Configure ResourceManager HA
- HDPCA Exam Objective – Configure NameNode HA
- HDPCA Exam Objective – Add a new node to an existing cluster
- HDPCA Exam Objective – Create a home directory for a user and configure permissions
- HDPCA Exam Objective – Define and deploy a rack topology script
- HDPCA Exam Objective – Add an HDP service to a cluster using Ambari
- HDPCA Exam Objective – Decommission a node (NodeManager)
- HDPCA Exam Objective – Decommission a node (datanode)
- How to create partitions and file systems on DM-Multipath devices
- 18 Practical tcpdump Command Examples – A Network Sniffer Tool Primer
- How to change the path of the auditd log file /var/log/audit/audit.log
- How to install and configure “setroubleshootd” on CentOS/RHEL
- Understanding Linux SCSI Reservation
- Linux OS Service ‘setroubleshoot’
- How to connect to an Active Directory Domain using Realmd (Configure CentOS/RHEL 7 as active directory client)
- understanding “yum history” command output
- Linux OS Service ‘psacct’
- Linux OS Service ‘NetworkManagerDispatcher’
- How to disable avahi-daemon service in CentOS/RHEL
- CentOS/RHEL 5 : How to disable the yum update automatically
- Linux OS Service ‘yum-updatesd’
- Linux OS Service ‘acpid’
- Manage ASM Audit Files with syslog – configure lograte and auditing
- Linux OS Service ‘rpcidmapd’
- Linux OS Service ‘avahi-daemon’
- How to Use the ‘truss’ Command for Program and Error Analysis in Solaris
- Linux OS Service ‘rusersd’
- Linux OS Service ‘httpd’
- Linux OS Service ‘scsi_reserve’
- Linux OS Service ‘o2cb’
- Audit rules to log reboot command executions in CentOS/RHEL
- HDPCA Exam Objective – Install HDP using the Ambari install wizard
- HDPCA Exam Objective – Install ambari agent
- HDPCA Exam Objective – Install ambari-server
- Preparing for the The HDPCA (HDP Certified Administrator) Exam
- Solaris : How to start syslogd in debug mode
- HDPCA Exam Objective – Configure a local HDP repository
- How to configure rsyslog on Solaris 11.1 to send messages to a remote host using TCP
- Linux OS Service ‘winbind’
- Linux OS Service ‘rpcgssd’
- How to Change Time Interval to Fall Back to Secondary DNS Server in CentOS/RHEL
- How to use auditd to monitor a specific SYSCALL
- Slow SSH login due to unreachable rsyslog server
- /etc/rsyslog.conf – Setup a Filter to Discard or Redirect Messages
- How to monitor the Mounting/Umounting of Mount Points Using Auditd on CentOS/RHEL 6,7
- How to enable SFTP Logging without chroot in CentOS/RHEL
- How to Change Default Permission of /var/log/messages in CentOS/RHEL
- Rsyslog : How to Send log files to remote server in CentOS/RHEL 6,7
- How to send Audit Logs to Remote Rsyslog Server in CentOS/RHEL 6,7
- How to monitor /etc/shadow and /etc/passwd file for changes with Auditd?
- How to Configure rsyslog to Filter/discard Specific IP Address in CentOS/RHEL 6,7
- How to change the Default Log Directory(/var/log) in Rsyslog for CentOS/RHEL 6,7
- How to use auditd to monitor a file deletion in Linux
- Audit Rule Configuration not Reflected – How to troubleshoot
- How to monitor time changes using auditd in CentOS/RHEL
- How to exclude a file/directory from auditd rules
- How to configure interface in “Promiscuous Mode” in CentOS/RHEL
- Understanding System auditing with auditd
- Linux OS Service ‘irqbalance’
- How to Audit for Modifications to files and Executions of Files in Linux
- How To Identify User Deleting Files From A Given Directory in Linux
- Unable To Remove Files From Directory with Error “Argument list too long”
- How to Configure UDEV rule to allow read-only permissions on USB devices
- How to disable write access to USB devices using “hdparm” tool
- How to Run a Script When USB Devices Is Attached or Removed Using UDEV
- How to Disable “alt+ctrl+Del” Key Combination causing reboot in CentOS/RHEL 4,5
- How to disable Ctrl+Alt+Del causing system reboot in CentOS/RHEL 6
- How to disable “Alt+Ctrl+Del” causing system reboot in CentOS/RHEL 7
- How To Force User/Group Ownership Of Files On A Samba Share
- how to add a custom script to the systemd in CentOS/RHEL 7
- Linux Interview Questions – Basic File and Directory Permissions
- How to configure encrypted swap using LUKS in CentOS/RHEL
- How to install and configure ABRT (Automatic Bug Reporting Tool) in CentOS/RHEL
- What are Shell Scripts? How to Create Shell Scripts?
- Understanding Automatic NUMA balancing
- What is NUMA and How does it work in Linux
- What is xhosts? Using xhost to manage access control to X server
- How to allow or deny telnet login to specific users only in CentOS/RHEL
- How to Change the filesystem Labels in CentOS/RHEL
- How to change the default location (/var/cache/yum) of yum cache
- How to Install and Configure Device Mapper Multipath in CentOS/RHEL 6,7
- Understanding System Security Services Daemon (SSSD)
- How to Delete ASM Disk on Multipath Device in CentOS/RHEL
- How to Remove a Dead Mulitpath Device without Reboot in CentOS/RHEL
- mdadm: Cannot open /dev/sda1: Device or resource busy
- How to map devices in the iostat command output to their corresponding device mapper path
- How to set custom device names using udev in CentOS/RHEL 7
- Oracle database 12c : How to Drop Partition(s)
- How to Drop/Truncate Multiple Partitions in Oracle 12C
- How to Split a Partition Into Multiple Partitions in Oracle 12c
- How to Merge Multiple Partitions in Oracle 12c
- How to use wget to download file via proxy
- How to change the default permissions of log files created by rsyslog
- Linux Command line Basics – Working with Files and Directories
- Solaris Volume Manager (SVM) : How to Use Mirrors to Roll Back System Changes
- Linux Command line Basics – Executing commands from the command line
- How to set boot-device with luxadm command in Solaris
- How to create an OBP boot device alias in Solaris [SPARC]