This notes applied to Kubernetes version 1.9.1-00 on Ubuntu Xenial.
TO BE WRITTEN
- Swap should be disabled (see
/etc/fstab)
herpiko
/ kubedingdong.md
Last active
March 7, 2023 19:10
Kubernetes notes for CKA exam preparation 💪
mancubus77
/ gist:447281619be3731461b73dd4a18593c5
Last active
July 31, 2023 08:40
Prometheus node exporter init.d (Centos6/RHEL6)
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/bin/bash | |
| # | |
| # /etc/rc.d/init.d/node_exporter | |
| # | |
| # Prometheus node exporter | |
| # | |
| # description: Prometheus node exporter | |
| # processname: node_exporter | |
| # Source function library. |
ssimpson89
/ MySQL Replication Check
Last active
June 1, 2024 13:43
Just a simple Mysql Replication Health Check script I wrote. You can put this in a cron.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/bin/bash | |
| ### VARIABLES ### \ | |
| EMAIL="" | |
| SERVER=$(hostname) | |
| MYSQL_CHECK=$(mysql -e "SHOW VARIABLES LIKE '%version%';" || echo 1) | |
| LAST_ERRNO=$(/usr/bin/mysql -e "SHOW SLAVE STATUS\G" | grep "Last_Errno" | awk '{ print $2 }') | |
| SECONDS_BEHIND_MASTER=$(/usr/bin/mysql -e "SHOW SLAVE STATUS\G"| grep "Seconds_Behind_Master" | awk '{ print $2 }') | |
| IO_IS_RUNNING=$(/usr/bin/mysql -e "SHOW SLAVE STATUS\G" | grep "Slave_IO_Running" | awk '{ print $2 }') | |
| SQL_IS_RUNNING=$(/usr/bin/mysql -e "SHOW SLAVE STATUS\G" | grep "Slave_SQL_Running" | awk '{ print $2 }') |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!doctype html> | |
| <title>Site Maintenance</title> | |
| <style> | |
| body { text-align: center; padding: 150px; } | |
| h1 { font-size: 50px; } | |
| body { font: 20px Helvetica, sans-serif; color: #333; } | |
| article { display: block; text-align: left; width: 650px; margin: 0 auto; } | |
| a { color: #dc8100; text-decoration: none; } | |
| a:hover { color: #333; text-decoration: none; } | |
| </style> |