[HOW TO] fix HAPROXY Setting tune.ssl.default-dh-param to 1024 by default, if your workload permits it you should set it to at least 2048

Error: Starting haproxy: [WARNING] 052/161359 (16821) : Setting tune.ssl.default-dh-param to 1024 by default, if your workload permits it you should set it to at least 2048. Please set a value >= 1024 to make this warning disappear.                                              ...

[HOW TO] validate haproxy configuration

I just changed haproxy.cfg. I want to ensure haproxy.conf is valid before restarting haproxy service. So I check haproxy manual $man haproxy I see paremetter -c -V and -f which validate the syntax. Finally I use this to validate haproxy -c -V -f /etc/haproxy/haproxy.cfg I hope this helps anyone looking to check the synctax haproxy.cfg Tiến Phan - R0039 Knowledge is Endless Sharing for Su...

[HOW TO] determine the serial number of a computer linux

Q: Hello, Do you want help me get the Laptop's serial number? A: Easy :D wait me  Q: Nice! A: Ping ping!!! please open terminal and run below execute command  "sudo dmidecode -t system | grep Serial" Q: Thank you so much guys Tiến Phan - R0039 Knowledge is Endless Sharing for Succes...

[HOW TO] fix Error: xz compression not available

The last week I installed epel7 on CentOS6, and I got this error Error: xz compression not available Holy shit, how to solve it? Simplicity: yum remove epel-release yum clean all yum install epel-release yum clean all Tiến Phan - R0039 Knowledge is Endless Sharing for Success...