uncleflo
Registered since September 28th, 2017
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sql - MySql : Grant read only options? - Stack Overflow
Saved by uncleflo on June 23rd, 2019.
Is there a way to group all read operations in grant ? If there is any single privilege that stands for ALL READ operations on database. "Reading" from tables and views is the SELECT privilege. If that's what you mean by "all read" then yes: However, it sounds like you mean an ability to "see" everything, to "look but not touch." So, here are the other kinds of reading that come to mind: "Reading" the definition of views is the SHOW VIEW privilege. "Reading" the list of currently-executing queries by other users is the PROCESS privilege.
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MariaDB High Availability: Replication Manager
Saved by uncleflo on February 25th, 2018.
This is a follow-up blog post that expands on the subject of highly available cluster, discussed in MariaDB MaxScale High Availability: Active-Standby Cluster. Replication Manager is a tool that manages MariaDB 10 clusters. It supports both interactive and automated failover of the master server. It verifies the integrity of the slave servers before promoting one of them as the replacement master and it also protects the slaves by automatically setting them into read-only mode. You can find more information on the replication-manager from the replication-manager GitHub repository. Using Replication Manager allows us to automate the replication failover. This reduces the amount of manual work required to adapt to changes in the cluster topology and makes for a more highly available database cluster. In this blog post, we'll cover the topic of backend database HA and we’ll use Replication Manager to create a complete HA solution. We build on the setup described in the earlier blog post and integrate Replication Manager into it. We're using Centos 7 as our OS and we'll use the 0.7.0-rc2 version of the replication-manager.
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PhotoRec - Digital Picture and File Recovery
Saved by uncleflo on August 9th, 2014.
PhotoRec is file data recovery software designed to recover lost files including video, documents and archives from hard disks, CD-ROMs, and lost pictures (thus the Photo Recovery name) from digital camera memory. PhotoRec ignores the file system and goes after the underlying data, so it will still work even if your media's file system has been severely damaged or reformatted. PhotoRec is free - this open source multi-platform application is distributed under GNU General Public License (GPLV v2+). PhotoRec is a companion program to TestDisk, an application for recovering lost partitions on a wide variety of file systems and making non-bootable disks bootable again. You can download them from this link. For more safety, PhotoRec uses read-only access to handle the drive or memory card you are about to recover lost data from.
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