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Recent Posts:
- 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]
- “resize2fs: Permission denied to resize filesystem” error while online resize of a filesystem
- How to recreate Control file in Oracle Database
- Managing Oracle Database Backup with RMAN (Examples included)
- How to Log all Bash History Commands to syslog (/var/log/messages) in CentOS/RHEL
- How to create or change or view Boot Device Aliases in Solaris Online
- How to Check CentOS Version
- Oracle Solaris 11 Zones : New Features
- How to recover GRUB (Corrupted boot partition) in CentOS/RHEL 5,6
- Performing Network Diagnostics in Solaris 11 with “network-monitor”
- Solaris 11 : How to monitor network traffic using “ipstat”, “tcpstat” and “netstat” commands
- Managing network resources in Solaris 11 using “dlstat” and “flowstat”
- How to Configure Integrated Load Balancer (ILB) in Solaris 11
- How to configure Network Bridging in Solaris 11
- How to configure IPMP in Solaris 11 – Active-Active & Active-Standby
- How to Configure Link Aggregation in Solaris 11 (Trunk V/s Datalink multipathing (DLMP))
- How to Recover Corrupted Root Partition from Rescue Mode in CentOS/RHEL 5,6
- How Files/Directories in /tmp gets Removed Automatically in CentOS/RHEL 5,6
- How to shrink root filesystem on CentOS / RHEL 6
- How to resize an OCFS2 filesystem on Linux
- Solaris 11 : How to Control Allocated Bandwidth of Network Interface on Per App/User Basis
- How to Create a Datalink in Non-Global Zone from the Global Zone in Solaris 11
- How to set udev rule for setting the disk permission on ASM disks when using multipath on CentOS/RHEL 6
- How to configure a vnic on top of a Vlan Tagged Interface and assign the vnic to a Solaris 11 Zone
- How to detach/attach vNIC by Command Line in Oracle VM (x86)
- Beginners Guide to Configuring network virtualization features in Solaris 11
- Beginners Guide to Solaris 11 Network Administration
- What are Oracle Solaris 11 Installation Methods
- Understanding the sysconfig utility in Solaris 11
- Managing boot environments in Solaris 11
- How to Import Zpool and Mount of BE When Booted From Alternate Device in Solaris 11
- How to update Solaris 11 system Using IPS
- Solaris 11 IPS pkg Command Examples
- Beginners Guide to Solaris 11 Image Packaging System (IPS)
- How To Auto Mount a FileSystem Using Systemd
- How to backup and restore Docker containers
- How to mount and umount a file system in Linux
- Understanding the /etc/fstab file in Linux
- Oracle Database Interview Questions : Redo Logs and Archiving
- How to Turn Archiving ON and OFF in Oracle database
- How to Failover a Service During Instance Shutdown Using SRVCTL
- Oracle Database : How to set Environment Variables Using Srvctl
- CentOS / RHEL 5,6 : How to write custom udev rules
- Linux OS Service ‘smartd’
- Oracle SQL script to Show current Users and SQL being Executed
- How to use qperf to measure network bandwidth and latency performance in Linux
- How to Password Protect GRUB2 in Oracle Enterprise Linux 7
- How to move or rename a datafile in the same ASM diskgroup (Using ASM alias)
- How to monitor Disk health with smartd (S.M.A.R.T.)
- How To Check a Disk for Bad Blocks or Disk Errors on CentOS / RHEL
- How to Change the System locale in CentOS / RHEL 5,6
- Run Docker as a non-root user
- How to Configure Btrfs as the Storage Engine in Docker
- How to check failed or bad login attempts in Linux
- How to configure chrony statistics in CentOS / RHEL 7
- How to create Docker Image from a Container and Dockerfile
- Beginners Guide to The Docker World
- Beginners Guide to Udev in Linux
- How to Check and Analyze Memory Usage in Solaris
- Manual Changes Made To /etc/hosts Or /etc/sysconfig/network-scripts/ifcfg-* Are Lost
- How to configure Partitioned Block Devices (Non-ASMLIB) And Assign Them To ASM
- How to configure kdump in Oracle Enterprise Linux (OEL 5,6)
- How To Create Device Alias For ASM Disks Using mknod On Linux/Unix
- How To Resize An ACFS Filesystem/ASM Volume (ADVM)
- Solaris : How to Troubleshoot “Unable to mount NFS mount point”
- How to configure Shared Memory Parameters in Solaris 10,11
- How to Backup and Restore ZFS root pool in Solaris 10
- How to move spfile from ASM to filesystem
- How to delete archives from only 1 archive destination when 2 or more are in use
- How to do a Synchronous Refresh with Staging Logs in Oracle 12c
- Solaris : How to capture failed login attempts from tty logins (telnet, rlogin, and terminal)
- How to Extend the Last Existing Filesystem Partition with Parted
- How to update the boot_archive for ZFS root in Solaris
- How to Boot Single User Mode from the Grub Boot Loader in Solaris 10
- Resolving File System Full Situations in Solaris
- Common NFS mount options in Linux
- Linux “shutdown”, “poweroff”, “halt”, “reboot” Commands
- How to enable or disable service on boot with chkconfig
- How to configure IPtables to open Ports in CentOS / RHEL
- How to enable a script to start/stop a service at different runlevels using chkconfig
- Understanding the rc Scripts in Linux
- Understanding the /etc/inittab File in Linux
- How to use strace and ltrace commands in Linux
- Understanding the /etc/rsyslog.conf file for configuring System Logging
- Oracle Scheduler 12c New Features and Enhancements
- Oracle Database 12c : Creating a Scheduler Job in a Multitenant Database
- Interview Questions : Oracle 12c Multitenant Database Architecture
- How Passwordless SSH works in Linux / UNIX
- Linux OS Service ‘sshd’
- How to Kill Zombie (Defunct) Process in Solaris