Some times you need to disable sudo su – access on your environment so that the users will use sudo command always and they will not switch to any other users account unnecessarily Lets see how to do it Edit the /etc/suoders by running visudo visudo Add the below Command Alias Cmnd_Alias BLOCKSU = /bin/su […]
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Sometimes it’s necessary to log all the sudo commands run in your environment. Let”s see how to achieve this. Edit the sudoers file by running visudo visudo Add the below line to the Defaults section Defaults logfile=/var/log/sudo Now all the commands from a sudo user will be logged in /var/log/sudo file. [root@awsadminz ~]# cat /var/log/sudo Jan 11
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AWS has announced immediate availability of the new Europe (London) Region. The London Region joins Ireland and Frankfurt as AWS’ third European location, and provides the customer with a new option for hosting applications benefiting from infrastructure located in Europe. AWS is now operating sixteen regions worldwide, bringing the total number of AWS Availability Zones
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How to clear memcache and redis without restarting service. Clear Memcache telnet 172.25.16.191 11211 Trying 172.25.16.191… Connected to 172.25.16.191. Escape character is ‘^]’. flush_all OK quit Connection to localhost closed by foreign host. Clear Redis Cache [root@memcache ~]# redis-cli -h 172.25.16.191 172.25.16.191:6379 > flushall OK Jobin JosephView all posts by Jobin Joseph hazercloud.com
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Dropbox is sending out the below email to all Dropbox users with new MacOS Sierra. The mail is received by those who are using Dropbox folder in MacOS Documents. You have 2 options to avoid any dataloss. Disable iCloud Sync of Documents Folder Move your Dropbox folder from Documents to home directory. Sample email below Hi Admin,
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Today we had an issue with our Master-Master replication. Master2 was throwing the below error and the replication was stopped Last_SQL_Errno: 145 Last_SQL_Error: Error ‘Table ‘./exampledb/exampletable’ is marked as crashed and should be repaired’ on query. Default database: ‘livewbmy_db’. Query: ‘INSERT INTO `exampletable` (`challenge`, `response`, `hashkey`, `expiration`) VALUES (‘XBUL’, ‘xbul’, ‘a9e0f4e3dxxxxxccccccc0c8f8f1’, ‘2016-09-29 21:10:03′)’ Since its
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Scenario You have a MySQL Master-Master replication setup, Lets say Master1 (LIVE) and Master2 (DR Warm Standby) Master2 server has been restarted for some reason. Now Master1 LIVE (the slave of DR) slave status is stopped with the below error. Last_IO_Errno: 1236 Last_IO_Error: Got fatal error 1236 from master when reading data from binary log: ‘Could not
Got fatal error 1236 from master – MySQL – Broken Master – Master Replication Read More »
The much awaited macOS Sierra is now available to Download. Lets see how we can upgrade as soon as possible. Steps Login to your OSX and open App Store. If App Store is not showing the update, just search for “macOS” in App Store. This will take you to the download page and click Get / Download to proceed
Wait is Over – macOS Sierra is now available to download Read More »
Native Bash is available now in Windows 10 as Windows 10’s Anniversary Update . Lets see how we can install it. Enable Developer mode in Windows 10 from settings >> Home, or search for Developer Mode from the Windows Menu. Now enable Windows Subsystem For Linux Users from the Turn Windows features on or off menu. Once the installation
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Today apache was stuck with the below error and it was not starting at all. Sep 15 06:18:24 server.example.com systemd[1]: Starting The Apache HTTP Server… Sep 15 06:18:24 server.example.com httpd[15037]: [Thu Sep 15 06:18:24.591424 2016] [so:warn] [pid 15037] AH01574: module ruid2_module is alread…skipping Sep 15 06:18:33 server.example.com systemd[1]: httpd.service: main process exited, code=exited, status=1/FAILURE Sep 15 06:18:33
httpd.service: main process exited kill: cannot find process “” Read More »
