Looking for something?
- Artificial intelligence creates content for the site, no worse than a copywriter, you can also use it to write articles. 100% uniqueness,5-day free trial of Pro Plan :). Click Here: https://bit.ly/3QkZewc?h=e6ad7c7a0c64ecb821ff2b0759c3bac8& on Contact
- Artificial intelligence creates content for the site, no worse than a copywriter, you can also use it to write articles. 100% uniqueness,5-day free trial of Pro Plan :). Click Here: https://bit.ly/3QkZewc?h=4f0ee69046a1c731994ab0665b2deebd& on Contact
- Artificial intelligence creates content for the site, no worse than a copywriter, you can also use it to write articles. 100% uniqueness,5-day free trial of Pro Plan :). Click Here: https://bit.ly/3QkZewc?h=8a4490938a3c8251fc02187a46c8664f& on Contact
- mark on Contact
- Vintageosz on Citrix Netscaler: Configuring HTTPS load balancing
Category Archives: Linux
How to configure a redis 2.8 cluster in CentOS 6.7
I have been involved in rolling out the Cherwell ticketing system and I thought I would share some notes around the Redis configuration. Redis is used when you install Cherwell in a high availability mode. It is used to store … Continue re...
iPerf Network performance comparison between Virtual Machines on ESXi6
I finally found some time to run a series of iPerf network performance tests between Windows server 2008 R2, Windows 2012 and a Linux Debian virtual machines. The tests compare bandwidth throughput between vmxnet3, e1000 going through a 1Gbit and &he...
Posted in Linux, Networking, VMware Tagged bandwidth performance test vmware vsphere 6, change default window size linux tcp stack, comparison between e1000 vmxnet3 1gbit 10gbit jumbo frames mtu 9000, esxi slow network performance, iperf linux TCP window size: 1.00 MByte (WARNING: requested 512 KByte), network throughput performance, tcp tunning linux vm increase default window size, vm to vm network throughput, vmware iperf tests esxi6 1 Comment
Set up and troubleshoot SNMP on an ESXi 5.5 host
Here are some quick notes how to troubleshoot and set up SNMP on an ESXi host. The below also includes how to install snmpwalk and request info from an snmp server. STEPS HOW TO PROPERLY SET UP SNMP ON AN … Continue reading →...
Posted in Linux, Networking, Scripting, VMware Tagged configuring snmp traps in esx/esxi 5.5, Continuous snmpwalk command, esxi snmp settings, how to set up snmp on esxi 5.1, how to test snmp polling on esxi host, snmpget and snmp plling not working esxi 5.5, snmpwalk -v 2c -O n -c public, Timeout: No Response from, troubleshoot snmp server polling snmpwalk esxi vcenter mib Leave a comment
Testing TCP/UDP port connectivity in VMware ESXi 5.x Host
There may be times when you need to test TCP/UDP port connectivity from an ESXi host, here are some useful netcat commands. If you see no output from these commands it means the connection failed. Test TCP Port 902: ~ … Continue reading →...
How to add a cron job to VMware ESXi 5.x
Here is a quick way that you can add a cron job in ESXi 5.x. You will notice that there are already jobs in here that run on a schedule by default, the last line is new. Edit the below … Continue reading →...
Configure a basic postfix mail server between two CentOS Linux machines
How to Configure a basic postfix mail server between two CentOS servers Config file: /etc/postfix/main.cf #myhostname = host1.example.com #UNCOMMENT #mydomain = example.com #UNCOMMENT #myorigin = $mydomain #UNCOMMENT #inet_interfaces = all #UNCOMMENT...
Using TCP Wrappers hosts.allow and hosts.deny to secure RedHat / CentOS
RedHat / Centos and other similar Linux distros have 3 layers of protection that can restrict access to services (Iptables, TCP Wrappers (hosts.deny, hosts.allow) and SeLinux). When a machine on a network requests access to a specific service it firs...
How to Present and Mount an NFS share in RedHat / CentOS
Here is a quick guide how to present and mount an NFS share in RedHat / CentOS including Iptables configuration. By default Iptables blocks the ports required to connect to an NFS server, although the NFS server mainly uses UDP/TCP … Continue ...