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)
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| #!/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
July 21, 2024 15:05
Just a simple Mysql Replication Health Check script I wrote. You can put this in a cron.
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| #!/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 }') |
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| <!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> |