Today i was installing Jenkins on a CentOS7 systems. After installing it via Jenkins yum repository, the service was not stating. The java was already installed on the server. Issue You have...
Read article →Issue You are trying to mount an NTFS partition and the console is throwing the below error. Let’s see how to fix this. The disk contains an unclean file system (0, 0). Metadata kept in Windows...
Read article →We are a big fan of OpenVPN when it comes to security. Many organizations have already switched to OpenVPN from PPTP etc. NixVPN is my favorite VPN software to host it on a standalone instance. But...
Read article →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 install -y vsftpd Once installed, lets start editing the...
Read article →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...
Read article →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...
Read article →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)...
Read article →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...
Read article →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...
Read article →Its the time for another openssl update, Update your openssl and openssl-libs packages with below commands. RHEL / CentOS / OEL (rpm based) yum update openssl Ubuntu / Debian Based (apt based)...
Read article →Issue how to set hostname persistent across reboots in CentOS 7 / RHEL 7 on AWS ec2 CentOS 7 / RHEL 7 Hostname changes after reboots in aws ec2 Solution Set the hostname with the below command...
Read article →Issue You need to give only the apache / httpd restart permission to the developers via sudo. Solution Add the below lines to /etc/sudoers Cmnd_Alias WEBDEVS = /sbin/service httpd * user1 ALL =...
Read article →30 minutes, direct with the founder, no sales pitch: one specific recommendation for your AWS workload.
