AVINASH GADGE, Infrastructure Solutions

Hello Friends, I was getting following Error while deploying my Ansible script, Basically my credential were getting rejected by server. SSH password: PLAY [Playbook_Name] ***************************************************************02:00:30 TASK [Gathering Facts] *********************************************************02:00:30 fatal: [Server_Inventory_Name]: UNREACHABLE! => {"changed": false, "msg": "kerberos: the specified credentials were rejected by the server", "unreachable": true} PLAY RECAP *********************************************************************02:00:30 Server_Inventory_Name    : ok=0    changed=0    unreachable=1   failed=0  It was resolved using one additional parameter in Inventory  i.e  "ansible_winrm_server_cert_vaildation:ignore"

Red Hat has been made aware of multiple microarchitectural (hardware) implementation issues affecting many modern microprocessors, requiring updates to the Linux kernel, virtualization-related components, and/or in combination with a microcode update.  An unprivileged attacker can use these flaws to bypass conventional memory security restrictions in order to gain read access to privileged memory that would otherwise be inaccessible. There are 3 known CVEs related to this issue in combination with Intel, AMD, and ARM architectures. Additional exploits for other architectures are also known to exist. These include IBM System Z,  POWER8 (Big Endian and Little Endian), and POWER9 (Little Endian). Impact:- The following Red Hat product versions are impacted: Red Hat Enterprise Linux 5 Red Hat Enterprise Linux 6 Red Hat Enterprise Linux 7 Red Hat Atomic Host Red Hat Enterprise MRG 2 Red Hat OpenShift Online v2 Red Hat OpenShift Online v3 Red Hat Virtual...

Mining is the process of adding transaction records to Bitcoin's public ledger of past transactions (and a " mining rig " is a colloquial metaphor for a single computer system that performs the necessary computations for "mining"). This ledger of past transactions is called the  block chain  as it is a chain of  blocks . The block chain serves to  confirm  transactions to the rest of the network as having taken place. Bitcoin nodes use the block chain to distinguish legitimate Bitcoin transactions from attempts to re-spend coins that have already been spent elsewhere. Mining is intentionally designed to be resource-intensive and difficult so that the number of blocks found each day by miners remains steady. Individual  blocks  must contain a  proof of work  to be considered valid. This proof of work is verified by other Bitcoin nodes each time they receive a block. Bitcoin uses the  hashcash  proof-of-work function. The p...

Configure Timeout and Reconnection Settings for Remote Desktop Services Sessions On the RD Session Host server, open Remote Desktop Session Host Configuration. To open Remote Desktop Session Host Configuration, click  Start , point to  Administrative Tools , point to  Remote Desktop Services , and then click  Remote Desktop Session Host Configuration . Under  Connections , right-click the name of the connection, and then click  Properties . In the  Properties  dialog box for the connection, on the  Sessions  tab, select the following options as necessary: Select the  Override user settings  check box, and then set timeout settings for  End a disconnected session ,  Active session limit , and  Idle session limit . Select the  Override user settings  check box, and then select one of the following reconnection settings:  Disconnect from session  or  End session . Cli...

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Service account or application pool on multiple platform still sometime password  for these id's don’t work may be because someone else has changed it or we don’t have correct password which leads to confusion so, to avoid this confusion before resetting password I would recommend using following command to check when last time password was change. Get-aduser 'username' -Properties passwordlastset |Format-List

Geek Commands: - Commands save you during application load test :) netstat | findstr ESTABLISHED netstat | findstr LISTEN netstat | findstr CLOSE_WAIT netstat | findstr TIME_WAIT Showing PID used by Port netstat –o | findstr $portnumber Protocol statistics You are working on Protocol statistics for either any of this protocol (IPv4, IPv6, ICMPv4, ICMPv6, TCP or UDP) netstat –s netstat -s |Findstr Errors Getting routing Information This command will show us entire routing table. netstat –r Interface statistics: (sent and received details) netstat-e Getting Fully Qualified Domain Name of foreign address (remote host) netstat –f Finally finding port number for “Exe” or service This command can give you real time information about which exe is using which port and communicating on which foreign ip address. Command: - netstat -v -b