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Operation
Troubleshooting
How to always run local-exec with Terraform
Sometimes there is a need to always run some terraform local-exec, so we can always execute a null_resource when doing an apply or applying it as a target. So, how can you make sure to invalidate state for the null resource, so it always runs the local-exec s...
Links & Tools
F5 LTM Config Merge Procedure
Description To Merge an LTM config from a F5 to another F5 you need to split the bigip.conf file into seperate config files which you need then to import on the destination F5. Import the config parts with copy-paste into the terminal and with the following ...
Operation
Design
Upgrade PostgreSQL on Ubuntu
In this example we're upgrade psql from version 10 to version 11. Install the new version root@srv01:~# apt install postgresql-11 List psql clusters root@srv01:~# pg_lsclusters Ver Cluster Port Status Owner Data directory Log file 10 ...
Troubleshooting
Zimbra LDAP
Connect to Zimbra LDAP Server zimbra @ mail: ~ $ zmlocalconfig -s zimbra_ldap_password ldap_master_url the result will be something like zimbra_ldap_password = thepassword ldap_master_url = ldap: // server: 389 Connect to the LDAP Server with LDAP Server...
Links & Tools
F5 REST-API (iControlREST)
iControlREST Home Find the documentation about the F5 REST-API here: https://clouddocs.f5.com/api/icontrol-rest/ Examples GTM Get GTM Pool fallbackIp curl -sku admin:<password> https://<f5-bigip>/mgmt/tm/gtm/pool/a\ | jq '.items[] | { name: .name, ip: ....
Operation
Access to Demo Fortinet Appliances
Fortinet offers for most appliances a demo access. You can use the following as an example: Product URL Login Authenticator https://fortiauthenticator.fortidemo.com UnknownRequest credentials here: https://www.fortinet.com/demo-center WEB...
Design
Packetpushers with SQLNet
If you need to apply an ALG (Application level gateway) on SQLNet be careful and check the following: SQL*Net (a.k.a Oracle TNS) and firewalls… Most vendor’s firewalls have a SQL ALG that handles SQL*Net traffic.They listen on TCP port 1521. SQL*Net is base...
Operation
Show interface speed and duplex as a list
If you need a list of interfaces and the actual speed and duplex settings use this: # ifconfig -a | grep encap | awk '{print $1}' | grep -v lo | grep -v bond | grep -v ":" \ | grep -v ^lo | xargs -I % sh -c 'ethtool %; ethtool -i %' | grep '^driver\|Speed\|D...