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Recent Posts:
- Script To Find Redolog Switch History And Find Archivelog Size For Each Instances In Oracle RAC
- How to grant a user chown and chmod privileges on a specific directory in Linux
- How To Add/Remove Locale Archive in CentOS/RHEL 5,6
- How to configure the logging of failed login attempts for vsftpd
- How to configure automounter to automount all users’ home directories via NFS in CentOS/RHEL 5,6
- How to disable media automount in GNOME for CentOS/RHEL 5,6,7
- How to disable or enable the IPv6 protocol in CentOS/RHEL 4
- How to disable or enable the IPv6 protocol in CentOS/RHEL 5
- How to disable or enable the IPv6 protocol in CentOS/RHEL 6
- How to disable or enable the IPv6 protocol in CentOS/RHEL 7
- How to rotate /var/log/messages everyday in CentOS/RHEL 5,6
- How to configure MariaDB database to use Active Directory for user authentication in CentOS/RHEL 7
- /var/tmp file system getting full due to Mariadb
- “INFO: task [process]:[pid] blocked for more than 120 seconds” – System becomes unresponsive
- How to install an RPM package into a different directory in CentOS/RHEL/Fedora
- How to Perform a Rolling Restart of MySQL NDB Cluster
- How to Add New Nodes To an Existing MySQL Cluster Setup
- How to Add Data Nodes to MySQL Cluster without Restarting the Cluster (version 6.4 and later)
- How to upgrade Oracle database to 12c Pluggable database (Multitenant) using Transportable tablespace(TTS) method
- Upgrading to Oracle 12c using RMAN DUPLICATE with “NOOPEN” clause and “BACKUP LOCATION”
- How to configure password-less rsync command in Linux
- How to Enable FTP in CentOS/RHEL 5 and 6
- How to enable ntpd in debug mode in Linux
- How to Configure project quota on XFS Filesystem
- What are the Advantages / Benefits of using XFS Filesystem
- How to Enable Password Aging in Linux with NIS
- How to Set a Password Policy in CentOS/RHEL 5
- How to Verify which Ports are Listening on a Linux System
- Sample /etc/services file in Linux
- Understanding /etc/services file in Linux
- How to Configure pam_tally2 to lock user account after certain number of failed login attempts in CentOS/RHE 5,6
- How to Set a Password Policy in CentOS/RHEL 6
- How to Set a Password Policy in CentOS/RHEL 7
- How to Create a Dictionary for pam_cracklib
- What are the default parameters in pam_cracklib.so and their meaning
- How to disable password dictionary check in CentOS/RHEL 7
- How to disable password dictionary check in CentOS/RHEL 5,6
- Can MySQL Cluster Run Multiple Nodes On a Single Server
- How to Install MySQL Cluster on a single server for testing purposes
- CentOS / RHEL : How to find UUID of a device or filesystem
- How to get Fibre Channel HBA information from Linux SOSreport
- Beginners Guide to Management of MySQL Cluster Log Files
- How to make telnet listen to a different port in Solaris
- How to add additional words to the password dictionary of pam_cracklib in CentOS/RHEL/Fedora
- How to add words to the dictionary cracklib uses for validating passwords against known dictionary words
- How to change the default password length in CentOS/RHEL/Fedora
- How To Restore an NDBCluster Backup Using ndb_restore
- How to Restore a Cluster Slave Using its Own Backups
- MySQL Cluster Point-In-Time Recovery (PITR)
- Beginners Guide to RMAN compression for backups
- How to Enable ssh/sshd Debugging for Solaris
- How to Collect sosreport from Multiple Hosts at the same time in CentOS/RHEL 7,8 (sos-collector)
- Troubleshooting kdump Issues in CentOS/RHEL
- How to Restart a MySQL Cluster without downtime
- Configuring Remote Logging using rsyslog in CentOS/RHEL
- Which Ports are Used by mysqld, ndb_mgmd, and ndbd/ndbmtd in a MySQL Cluster Installation
- How to Start NTP Service With Slewing Enabled in Linux
- Basics of Ethernet Bonding in Linux
- CIFS Share Filesystem Is Not Mounted after Reboot on CentOS/RHEL 7
- Linux OS Service ‘kdump’
- How To Start And Stop MySQL Cluster
- How To Shut Down a Node in MySQL Cluster
- System Tuning for MySQL Server
- How to disable the interface virbr0 without virsh
- What is the interface virbr0 for and how do I disable it in CentOS/RHEL/Fedora
- How to create a networking bridge under CentOS/RHEL
- How to Set a Custom Interface Name with NetworkManager in CentOS/RHEL 7
- How to Use Performance Co-Pilot (pcp) in CentOS/RHEL 7
- MySQL Shell: Using External Python Modules
- How to Configure Multiple MySQL Servers On One System Using mysqld_multi
- How To Purge Audit Logs in MySQL
- MySQL : Stored Procedure For Rotating the Audit Log
- How To Rotate the MySQL Enterprise Audit Log Plugin Log Based On Size
- MySQL 8.0 : Persisted Variables
- Linux OS Service ‘haldaemon’
- Recommendation for the Oracle Real Application Cluster Interconnect and Jumbo Frames
- MySQL Interview Questions : Multi-source Replication in MySQL Server
- MySQL : How To Find the Slowest Queries
- How to Migrate from Oracle to MySQL
- MySQL : What is the Slow Query Log and How to Control Where the Log is Stored and What is Logged
- What’s a good process to find and eliminate slow queries in MySQL
- How to check the status of Software RAID array (using mdstat and mdadm –examine)
- Configuring mysqld to log slow queries
- How To Skip a Transaction on MySQL replication slave When GTIDs Are Enabled
- How to Configure Persistent Names for Tape Devices in CentOS/RHEL
- Oracle Database 18c New Feature – Memoptimized Rowstore
- Oracle Database 18c : How to Merge Partitions And Subpartitions Online
- How to Monitor SGA Memory on Oracle Pluggable Databases
- How to use redhat-support-tool to search the Knowledgebase
- Configuring Persistent Storage in CentOS/RHEL 5,6 for Single Path using udev rules
- Configure Persistent NIC Names of Network Adaptors in CentOS/RHEL using udev Rules
- How to find location of MySQL configuration file(s)
- Understanding the Different Configuration files used for MySQL Server
- “Another MySQL daemon already running with the same unix socket” – error while starting MYSQL
- mdadm Command Shows State : active, degraded
- How to Re-generate initramfs and vmlinuz for Rescue Kernel with Current Kernel in CentOS/RHEL 7
- Understanding Failover in a Pacemaker Cluster
- Understanding Pacemaker Cluster Tools and Processes
- Simple Steps to use LogMiner for finding high redo log generation
- How to create a new lv using an existing volume group that is managed by pacemaker cluster (CentOS/RHEL 7)