Thursday, October 19, 2017

VSFTP chroot jail users – Limit FTP users access to home...

Lets see how we can configure a secure FTP server on CentOS  RHEL 6 / 7 First, you need to install the vsftp package on your server yum...
sudo-su

Disable SU access for sudo users

Some times you need to disable sudo su - access on your environment so that the users will use sudo command always and they...

How to log all sudo commands

Some times it's necessary to log all the sudo commands run in your environment. Let'ss see how to achieve this. Edit the sudoers file...

AWS Announces Immediate Availability of London Region

AWS has announced immediate availability of the new Europe (London) Region. The London Region joins Ireland and Frankfurt as AWS’ third European location, and...

How to clear Memcache and redis without restarting the service

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...

Dropbox and iCloud compatibility issue

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...

Last_SQL_Error: Error Table is marked as crashed and should be repaired

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'...

Got fatal error 1236 from master – MySQL – Broken Master...

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...

Wait is Over – macOS Sierra is now available to download

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...

How to install native BASH on Windows 10 – Not a...

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...