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Recent Posts:
- How to Set CPU Affinity for SYSTEMD Process in CentOS/RHEL 7
- How to verify if NX/XD is Enabled or Disabled in CentOS/RHEL 7 and 8
- How to Set Environment Variables for a systemd Service in CentOS/RHEL 7
- How to Set Resource Limits for a Process with Systemd in CentOS/RHEL 7 and 8
- How to add a Custom Script to systemd in CentOS/RHEL 7
- How to Disable user list on GNOME login screen in CentOS/RHEL 8
- How to Configure GNOME Console Login Banner in CentOS/RHEL 7 and 8
- How to Reset Root Password in CentOS/RHEL 8
- How to Count lines in a file in UNIX/Linux
- How to Change the default kernel (boot from old kernel) in CentOS/RHEL 8
- How to list or install only security updates with dnf in CentOS/RHEL 8
- How to activate a “SUSPENDED” LVM physical volume
- Examples of using dmsetup command in Linux
- How to Backup a MySQL Cluster
- How to Configure 2-way replication in an existing Master, Slave MySQL Replication environment
- Linux “seq” Command Examples
- How to Install an Configure MASTER PDF EDITOR IN UBUNTU
- How to check and repair ACFS with FSCK
- How to test a PHP script
- How to Set Space limits for MySQL for database/schema/table
- How to Configure SSH to restrict Users/Groups with allow and deny directives
- How to allow ssh with empty passwords in Linux
- What is the difference between & (ampersand) and && (double ampersand) while executing simultaneous commands on Linux
- What are Bash Exit Codes in Linux
- Downgrading an rpm package to a lower version (using “rpm” command)
- How to shrink a Temporary Tablespace datafile in Oracle
- How to Compress and Decompress .bz2 files in Linux Using bzip2 Command
- How To Shrink A Temporary Tablespace in Oracle Database
- Counting Rows Of A Table In MySQL Server
- How to Rebuild GRUB on MSDOS Partition Type in CentOS/RHEL/OEL 7
- How to Disable AUTOEXTEND Mode on a datafile in Oracle Database
- Oracle – How To Check if Autoextensible Datafiles Set To Maxsize Unlimited
- Failed to Download Metadata for Repo ‘repo_name’
- How to configure Linux Resource Groups (cgroups) for MySQL
- Oracle SQL Script to Detect Tablespace Fragmentation
- MySQL Table Maintenance – InnoDB, MyISAM, MEMORY, ARCHIVE
- Understanding mysqlcheck and myisamchk utilities
- CentOS/RHEL – How to Remove stale ISCSI Target Node Information from ISCSI Initiator Server
- CentOS/RHEL 6 Kernel Panic – “Out of memory” kernel parameter panic_on_oom is enabled
- How to enable core dump for Applications on CentOS/RHEL
- How to add additional language support in CentOS/RHEL
- What are “segfault” messages in /var/log/messages file
- Unable to login with GUI on CentOS/RHEL 7
- rpm: error while loading shared libraries: invalid ELF header
- MySQL – How to undo (rollback) a set of SQL statements
- lvremove failing to remove volume after using ‘shred’ command
- How to Configure Network Namespaces in Docker Containers
- How to change the default IP address of docker bridge
- “su: Authentication failure” – in Docker
- How to Pause and Resume Docker Containers
- How to find docker storage device and its size (device mapper storage driver)
- Understanding “docker stats” Command Output
- ‘docker images’ command error – “Permission Denied”
- Docker Basics – Expose ports, port binding and docker link
- How to split BCV and open oracle ASM database
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- Beginners Guide to Implementing Table Maintenance in MySQL
- MySQL – How to Set Maximum Rates for Connections and Queries
- How to configure EPEL repository in OEL 7
- MySQL: How to Set Account Resource Limits
- MySQL ‘show processlist’ statement
- Understanding the REVOKE statement in MySQL
- MySQL Grants – Setting User Permissions On Different Tables
- Excluding a table or database from MySQL replication
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- How to Create yum Repository in CentOS/RHEL
- Granting All Privileges On All databases Except One Specific Table in MySQL
- How to Disable Client Access Control in MySQL
- How to Disable NetworkManager in CentOS/RHEL 8
- How to Disable Docker Process and docker0 Interface on CentOS/RHEL
- How To Reset MySQL 8.0 Root Password On Windows
- What is the purpose of “system user” in MySQL Replication
- What are Reserved User Accounts in MySQL
- What is the purpose of “mysql.sys@localhost” user
- Understanding MySQL Privileges
- Understanding MySQL Pluggable Authentication
- “imuxsock lost # messages from pid # due to rate-limiting” – rsyslog rate-limiting in Linux
- Beginners Guide to MySQL User Management
- How to List and Set SELinux Context for MySQL Server
- How to Modify Static Parameter value in spfile
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- Unable to instantiate disk “ASM_DISK” – error on running ‘oracleasm scandisks’ command
- CentOS/RHEL – vgs command reports error: “global/global_filter” unknown
- 3 Ways of Increasing Swap Space on Linux
- How to resize (extend) a partition-based file system in Linux
- Basic “chmod” Command examples in Linux
- “lsb_release: command not found” – Fix in CentOS/RHEL
- How to enable the automatic extension for a thin LVM volume
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- Server Application Getting “connection refused” From Remote Servers [due to firewalld or iptables] – CentOS/RHEL 7
- How to make CentOS/RHEL 7 FIPS 140-2 compliant
- How to Configure Remote Rsyslog To Accept TLS and Non-TLS in CentOS/RHEL
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- How To Create Virtual Data Optimizer(VD0) in CentOS/RHEL 7 and 8
- How To Create/Remove and Mount a Stratis Filesystem in CentOS/RHEL 8
- How to disable FIPS mode on CentOS/RHEL 7
- How to Create a tmpfs Filesystem in CentOS/RHEL
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- How To Disable Or Extend System Logging Rate-limit on CentOS/RHEL 7