User contributions for Saurabh
From Notes_Wiki
- 06:19, 23 June 2023 diff hist +387 m RHEL 8.x Spectrum Protect Backup Agent installation in RHEL client
- 10:47, 16 June 2023 diff hist +43 m CentOS 8.x Zabbix current
- 10:47, 16 June 2023 diff hist +330 m Ubuntu 20.04 Zabbix agent installation current
- 10:47, 16 June 2023 diff hist +44 m Ubuntu Server or Desktop administration current
- 10:47, 16 June 2023 diff hist +1,025 N Ubuntu 20.04 Zabbix agent installation Created page with "Home > Ubuntu > Server or Desktop administration > Ubuntu 20.04 Zabbix agent installation To install Zabbix agent in Ubuntu 20.04 machine use: # Install Zabbix repository #:<pre> #:: wget https://repo.zabbix.com/zabbix/6.4/ubuntu/pool/main/z/zabbix-release/zabbix-release_6.4-1+ubuntu20.04_all.deb #:: dpkg -i zabbix-release_6.4-1+ubuntu20.04_all.deb #:: apt update #:</pre> # Install Zabbix agent using: #:<..."
- 09:41, 16 June 2023 diff hist +44 m Monitor esxi resource utilization via esxtop command current
- 08:39, 16 June 2023 diff hist +58 m VMWare vSphere or ESXi
- 08:39, 16 June 2023 diff hist +2,841 N Monitor esxi resource utilization via esxtop command Created page with "Home > VMWare platform > VMWare vSphere or ESXi > Monitor esxi resource utilization via esxtop command esxtop is a command-line tool that provides real-time information about resource usage in your ESXi environment. It can provide you with a wealth of data on CPU, memory, disk, and network usage. Here's a step-by-step guide on how to use esxtop to monitor an ESXi host: # Connect to the ESXi host via SSH #: This assumes SSH to ESXi host is ena..."
- 07:59, 16 June 2023 diff hist +83 m Accessing VIOS console via HMC console current
- 07:59, 16 June 2023 diff hist +231 m Add power servers to vHMC current
- 07:56, 16 June 2023 diff hist +385 m Accessing VIOS console via HMC console
- 07:50, 16 June 2023 diff hist +23 m Enterprise security devices or applications
- 07:50, 16 June 2023 diff hist +235 N Cisco ASA firewall Created page with "Home > Enterprise security devices or applications > Cisco ASA firewall *Cisco ASA firewall basic initialization Home > Enterprise security devices or applications > Cisco ASA firewall" current
- 07:50, 16 June 2023 diff hist +2,097 N Cisco ASA firewall basic initialization Created page with "Home > Enterprise security devices or applications > Cisco ASA firewall > Basic initialization Consider requirement as follows to initialize a ASA firewall: * DMZ IP of 192.168.11.1/24 for servers * WAN public IP 1.1.11.213/30 for Internet * LAN IP of 192.168.100.1/24 for LAN users * Additional 192.168.10.0 subnet for LAN accessible via L3 switch 192.168.100.2 * Outgoing internet access for LAN users from..." current
- 07:07, 16 June 2023 diff hist +79 m VMWare platform current
- 07:06, 16 June 2023 diff hist +181 N VMWare Platform Miscellaneous Created page with "Home > VMWare platform > VMWare Platform Miscellaneous *VMWare Useful Links Home > VMWare platform > VMWare Platform Miscellaneous"
- 07:06, 16 June 2023 diff hist +1,095 N VMWare Useful Links Created page with "Home > VMWare platform > VMWare Platform Miscellaneous > VMWare Useful Links We can use following useful links related to VMWare platform: ; Configuration Maximums : We can find out maximum limit eg no. of datastores, no. of hosts, no. of VLANs, etc. for any particular VMWare product version using https://configmax.esp.vmware.com/home ; Product Interopibility Matrix : We can check whether products will work together or not. Eg Whether a parti..." current
- 06:52, 16 June 2023 diff hist +130 m Proxmox virtual environment current
- 06:52, 16 June 2023 diff hist +1,467 N Proxmox Change disk configuration of VM with snapshots Created page with "Home > Debian > Proxmox virtual environment > Proxmox Change disk configuration of VM with snapshots In proxmox we can take snapshots of the VM. However, if we want to change existing disks (eg remove one hard-disk) and then add another new hard-disk then there is concern on how will snapshots be effective if a disk is removed / added. Thus, for a example requirement where we need to remove a old disk from a Linux VM and add a new disk with..." current
- 09:57, 15 June 2023 diff hist +157 m CentOS 7.x Create LVM partition on new disk current
- 09:55, 15 June 2023 diff hist +278 m CentOS 8.x create or extend lvm partition with striping current
- 08:53, 15 June 2023 diff hist +35 m Rocky 9.x System Administration
- 08:53, 15 June 2023 diff hist +404 N Rocky 9.x Package management Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > System Administration > Package management *Rocky 9.x Erlang installation Home > Rocky Linux or CentOS > Rocky Linux 9.x > System Administration > Package management"
- 08:53, 15 June 2023 diff hist +1,292 N Rocky 9.x Erlang installation Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > System Administration > Package management > Erlang installation At the time of this writing erlang package was not available as part of Rocky 9.x repos listed below: ; appstream : Rocky Linux 9 - AppStream ; baseos : Rocky Linux 9 - BaseOS ; epel : Extra Packages for Enterprise Linux 9 - x86_64 ; e..." current
- 08:15, 15 June 2023 diff hist +201 m CentOS 8.x Zimbra upgrade
- 08:13, 15 June 2023 diff hist +56 m Paloalto firewall
- 08:13, 15 June 2023 diff hist +31 m Paloalto give static management IP to new firewall current
- 08:13, 15 June 2023 diff hist +901 N Paloalto give static management IP to new firewall Created page with "Home > Enterprise security devices or applications > Paloalto firewall > Paloalto give static management IP to new firewall After deploying a new virtual or physical palo-alto firewall use following on console to assign management IP: # Login with admin/admin #: Note that it may not work immediately. You may have to wait 5-10 minutes for it to work # During first login firewall will force to change default admin password # Then use below to as..."
- 07:57, 15 June 2023 diff hist +96 m Rocky 9.x System Administration
- 07:57, 15 June 2023 diff hist +2,323 N Rocky 9.x Upgrade Rocky 8.x to Rocky 9.x Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > System Administration > Upgrade Rocky 8.x to Rocky 9.x To upgrade from Rocky 8 to Rocky 9 use: # Ensure sufficient free space in / before proceeding # Go to URL https://download.rockylinux.org/pub/rocky/9/BaseOS/x86_64/os/Packages/r/ # Note package names for rocky-release, rocky-repos and rocky-gpg-keys. Eg at time of t..."
- 07:55, 15 June 2023 diff hist +1,853 N Rocky 9.x Upgrade from CentOS Stream to Rocky Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > System Administration > Upgrade from CentOS Stream to Rocky The below steps would work both on CentOS Stream 8 and CentOS Stream 9, to convert them to Rocky 8.x or Rocky 9.x appropriately. # Ensure sufficient free space in / before proceeding # Update to latest packages in CentOS Stream using: #:<pre> #:: dnf updat..." current
- 07:22, 15 June 2023 diff hist +74 m Information tools current
- 07:22, 15 June 2023 diff hist −3,349 m Disk usage related information current
- 07:22, 15 June 2023 diff hist +34 m Rocky Linux 9.x
- 07:22, 15 June 2023 diff hist +338 N Rocky 9.x Information tools Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > Information tools *Rocky 9.x atop '''There is older information on other tools at Information tools''' Home > Rocky Linux or CentOS > Rocky Linux 9.x > Information tools" current
- 07:22, 15 June 2023 diff hist +4,107 N Rocky 9.x atop Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > Information tools > atop =About atop= Atop is a more comprehensive monitoring tool. It looks at CPU, RAM, hdd, etc. all parameters while monitoring. This can be useful if combination of various parameters need to be monitored using same tool. To start atop use: <pre> atop </pre> =Using atop for system activity recording similar to sar= Atop can..." current
- 07:20, 15 June 2023 diff hist 0 m Rocky 8.x New laptop OS configuration
- 07:19, 15 June 2023 diff hist 0 m Rocky 9.x Configure new laptop for personal use
- 07:11, 15 June 2023 diff hist +154 m Rsyslog configuration current
- 07:11, 15 June 2023 diff hist +111 m Installing rsyslog from yum repository current
- 07:11, 15 June 2023 diff hist +29 m Rocky Linux 9.x
- 07:11, 15 June 2023 diff hist +261 N Rocky 9.x Syslog servers Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > Syslog servers *Rocky 9.x rsyslog server Home > Rocky Linux or CentOS > Rocky Linux 9.x > Syslog servers" current
- 07:11, 15 June 2023 diff hist +466 N Rocky 9.x rsyslog server Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > Syslog servers > rsyslog server *Rocky 9.x Setup rsyslog server for accepting remote device logs '''There are older articles on rsyslog at:''' Rsyslog configuration Home > Rocky Linux or CentOS > Rocky Linux 9.x > Syslog servers > rsyslog server" current
- 07:11, 15 June 2023 diff hist +1,918 N Rocky 9.x Setup rsyslog server for accepting remote device logs Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > Syslog servers > rsyslog server > Setup rsyslog server for accepting remote device logs To setup a new rsyslog server on Rocky 9.x use: # Install rsyslog package via: #:<pre> #:: dnf -y install rsyslog #:</pre> # Disable SELinux (setenforce 0, edit /etc/sysconfig/selinux) # Di..." current
- 06:58, 15 June 2023 diff hist +185 m Sophos Firewall or IPS current
- 06:58, 15 June 2023 diff hist +1,949 N Sophos Connect to passive firewall when two firewall are in active/passive HA Created page with "Home > Enterprise security devices or applications > Sophos Firewall or IPS > Sophos Connect to passive firewall when two firewall are in active/passive HA When two firewalls are in active/passive HA, if we connect to LAN/WAN IPs over https or ssh, we get connected only to active firewall. If we want to check something specific about passive firewall then we can ssh to passive firewall from active firewall. Thus, first we need to SSH to activ..." current
- 11:52, 14 June 2023 diff hist +124 m VxRail current
- 11:52, 14 June 2023 diff hist −1,728 m Build VxRail 4.7 current
- 11:52, 14 June 2023 diff hist +2,401 N Enable IPv6 and IGMP snooping on VLAN 3939 required for VxRail Created page with "Home > VMWare platform > VxRail > Enable IPv6 and IGMP snooping on VLAN 3939 required for VxRail VxRail by default requires VLAN 3939 for nodes to discover each other. Ideally on this VLAN we should enable IGMP snooping and IPv6. The same can be done for a few switch makes as follows: =Dell switch= <pre> config t ip igmp snooping enable ipv6 mld snooping enable exit show ipv6 mld snooping interface vlan 3939 </pre> =Aruba or HP..." current
- 11:43, 14 June 2023 diff hist +1,186 m Removing failed disk or disk group from vSAN cluster current
- 11:37, 14 June 2023 diff hist +932 m Raw device mapping (RDM) current
- 06:53, 13 June 2023 diff hist +9 Rocky 9.x Configure new laptop for personal use
- 06:50, 13 June 2023 diff hist +7 m Rocky 9.x Configure new laptop for personal use
- 13:40, 11 June 2023 diff hist +27 m Paloalto firewall
- 13:39, 11 June 2023 diff hist +1,365 N Panorama NAT examples Created page with "Home > Enterprise security devices or applications > Paloalto firewall > Panorama NAT examples =NAT from public IP to private IP via panorama only for a specific destination= When packets are coming from a specific WAN IP (Src-pub-IP1) and going to a specific WAN public IP (dst-pub-IP2) and need to be translated to a LANIP (dst-priv-IP3) for a specific service on port (service-port1) then we need to do following configuration in panorama: ==Pol..." current
- 07:36, 11 June 2023 diff hist +12 m Checking SAP application ASCS/ERS status current
- 07:35, 11 June 2023 diff hist +784 m CRM cluster on Suse Miscellaneous notes current
- 07:31, 11 June 2023 diff hist +393 m HP cli basics current
- 07:28, 11 June 2023 diff hist +396 m HP cli basics
- 07:24, 11 June 2023 diff hist +186 m Managing windows services using sc command current
- 07:22, 11 June 2023 diff hist +47 m Windows Desktop Tools or Utilities Tag: Visual edit: Switched
- 07:22, 11 June 2023 diff hist +1,091 N Managing windows services using sc command Created page with "Home > Windows > Windows Desktop Tools or Utilities > Managing windows services using sc command Normally we can go to Services option in control panel (or under computer management) to look at status of various services and start/stop them. However there is also option to start/stop service via commandline. =Finding name of service= Look at servicename in properties of service when opened using services under control panel =Start service fr..."
- 07:16, 11 June 2023 diff hist +147 m CentOS 8.x nomachine current
- 07:14, 11 June 2023 diff hist +846 N CentOS 8.x Unattended nomachine Created page with "Home > CentOS > CentOS 8.x > CentOS 8.x remote access > nomachine > Unattended nomachine In case of machine which is only booted but no graphical user login has been done yet, nomachine remote may not work. In such cases if nomachine is leading to blank screen then try: # Edit '<tt>/usr/NX/etc/server.cfg</tt>' and set: #:<pre> #:: CreateDisplay 1 #:: DisplayOwner "saurabh" #:</pre>..." current
- 07:09, 11 June 2023 diff hist +42 m Rocky 8.x System Administration current
- 07:08, 11 June 2023 diff hist +14,303 N Rocky 8.x New laptop OS configuration Created page with "Home > Rocky Linux or CentOS > Rocky Linux 8.x > System Administration > Rocky 8.x New laptop OS configuration =OS installation= # Prepare bootable Rocky Linux 8 USB using: #:<pre> #:: dd if=Rocky-8.7-x86_64-dvd1.iso of=/dev/sdd #:: sync #:</pre> #::'''Assumes umount /dev/sdd* is done and that /dev/sdd does not has any critical data''' before itself. #: This can also be done using Rufus in Windows by using dd..."
- 05:53, 11 June 2023 diff hist +673 m CentOS 7.x remote desktop or freerdp current
- 05:46, 11 June 2023 diff hist +85 m Rocky 9.x Owncloud upgrade by migrating to a new VM with updated version current
- 05:41, 11 June 2023 diff hist +84 m VMWare vCenter current
- 05:41, 11 June 2023 diff hist +2,038 N VCenter 6.7 or 7 certificate expiry leading to 503 service not available error Created page with "Home > VMWare platform > VMWare vCenter > vCenter 6.7 or 7 certificate expiry leading to 503 service not available error If vCenter internal certificates expire we may get 503 service unavailable error or other errors as shown at VMWare KB https://kb.vmware.com/s/article/76719 To solve this use: # You can validate whether you have this issue or not via steps explained at https://kb.vmware.com/s/article/79248 ## Downlooad checksts script from..." current
- 05:06, 11 June 2023 diff hist +37 m Rocky Linux 9.x
- 05:05, 11 June 2023 diff hist +301 N Rocky 9.x System Administration Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > System Administration *Rocky 9.x New machine configuration Home > Rocky Linux or CentOS > Rocky Linux 9.x > System Administration"
- 05:05, 11 June 2023 diff hist +449 N Rocky 9.x New machine configuration Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > System Administration > New machine configuration *Rocky 9.x Configure new laptop for personal use Home > Rocky Linux or CentOS > Rocky Linux 9.x > System Administration > New machine configuration" current
- 05:05, 11 June 2023 diff hist +18,820 N Rocky 9.x Configure new laptop for personal use Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > System Administration > New machine configuration > Configure new laptop for personal use =OS installation= # Prepare bootable Rocky Linux 9 USB using: #:<pre> #:: dd if=Rocky-9.0-x86_64-dvd.iso of=/dev/sdd #:: sync #:</pre> #::'''Assumes umount /dev/sdd* is done and that /d..."
- 10:46, 6 June 2023 diff hist +80 m Configure VLT between two Dell S4128T-on or S4128F-on switches current
- 11:26, 31 May 2023 diff hist +52 m Security tips
- 11:26, 31 May 2023 diff hist +8,171 N Comparing MDM with DLP with End-point security Created page with "Home > Security tips > Comparing MDM with DLP with End-point security Endpoint Security, Data Leak Prevention (DLP), and Mobile Device Management (MDM) are three distinct but complementary technologies that address different aspects of security in an organization. Here's a comparison of these three and their typical use cases: =Endpoint Security= This focuses on securing endpoints, or end-user devices like desktops, laptops, and mobile devices. En..." current
- 11:06, 31 May 2023 diff hist +99 m Security tips
- 11:06, 31 May 2023 diff hist +4,906 N Generate new CSR by referring existing details from current certificate including private key Created page with "Home > Security tips > Generate new CSR by referring existing details from current certificate including private key This internally refers Openssl. '''This is not fully tested.''' To generate a new CSR from existing certificate and key, then sign it and then import it use: # On existing server with certificate and key, open mmc -> Certificate # Export existing certificate with key in pfx format. #: Need to give a password while exporting..." current
- 10:21, 31 May 2023 diff hist +996 m Generate SSL certificate request using Microsoft Management Console (MMC) certificates snap-in current
- 06:43, 24 May 2023 diff hist +50 m Ubuntu HPC NIS server setup on master node current
- 06:43, 24 May 2023 diff hist +26 m Ubuntu HPC Create new user current
- 06:41, 24 May 2023 diff hist +31 m Ubuntu HPC setup with openpbs and openmpi current
- 06:40, 24 May 2023 diff hist +1,471 N Ubuntu HPC Create new user Created page with "Home > Ubuntu > HPC setup with openpbs and openmpi > Create new user Once HPC setup is done properly, to create any new user (eg user3) please use below steps: #Create user using: #:<pre> #:: useradd -m -d /export/home/user3 -s /bin/bash user3 #:: passwd user3 #:</pre> #Create SSH key and configure them as authorized using: #:<pre> #:: su - user3 #:: ssh-keygen #:: cat ~/.ss..."
- 06:35, 24 May 2023 diff hist +92 m Ubuntu HPC NIS server setup on master node
- 06:31, 24 May 2023 diff hist +292 m Ubuntu HPC Install Openmpi from master node current
- 05:01, 22 May 2023 diff hist +4,966 N Executing powershell script on Windows machine Created page with "Home > Windows > Windows Desktop Tools or Utilities > Executing powershell script on Windows machine =Normal execution of powershell script= To execute powershell script in Windows use: * Right click on powershell script and use "Run with powershell" option OR * Open a powershell Window. Run powershell script with full / relative path. Eg "cd C:\Users\Example\Downloads & .\Script1.ps" =Changing powershell Execution Policy= However, executio..." current
- 04:27, 22 May 2023 diff hist +52 m Windows Desktop Tools or Utilities
- 04:27, 22 May 2023 diff hist +633 m Rocky 8.x RustDesk current
- 04:18, 22 May 2023 diff hist −97 m CentOS 8.x phpMyAdmin current
- 10:51, 19 May 2023 diff hist +20 m Rocky 8.x Desktop tools or applications current
- 10:51, 19 May 2023 diff hist +2,472 N Rocky 8.x GIMP Created page with "Home > Rocky Linux or CentOS > Rocky Linux 8.x > Desktop tools or applications > GIMP =GIMP shortcuts= We can use following shortcuts in GIMP: ; p paintbrush (Tools -> Paint Tools -> Paint Brush) : We can click to paint using selected brush. : Brush selection - Windows -> Dockable Dialogs -> Tool options : Drawing Line - If we click at a point and then go to other point. On other po..." current
- 10:30, 19 May 2023 diff hist +59 m GIMP current
- 10:27, 19 May 2023 diff hist +102 m Ubuntu HPC Common setup of all HPC nodes current
- 10:26, 19 May 2023 diff hist +670 m CentOS 7.x Rocks cluster 7.0 Build compute server current
- 10:26, 19 May 2023 diff hist +1,150 m CentOS 7.x Rocks cluster 7.0 Build master server current
- 10:18, 19 May 2023 diff hist +43 m Windows 10 current
- 10:18, 19 May 2023 diff hist +876 N Windows 10 Enable very long file paths Created page with "Home > Windows > Windows 10 > Enable very long file paths To enable very long paths in Windows use: # Open registry using '<tt>regedit.exe</tt>' ## Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem ## Edit (or create new if required) LongPathsEnabled as 32-bit D-Word value ## Set the value for LongPathsEnabled to 1. # In case of domain environments also open Group Policy Editor '<tt>gped..." current
- 07:34, 17 May 2023 diff hist +125 m Useful bash shell scripts current
- 07:34, 17 May 2023 diff hist +706 N Simple while loop with count in shell script Created page with "Home > Shell scripting > Useful bash shell scripts > Simple while loop with count in shell script If we need to execute something specific no. of times, we can use while loop with count such as: <pre> q=0; while q -lt 3 ; do ((q++)); echo $q; done </pre> Here update value of limit from 3 to the desired number of loop executions. Also instead of echo $q; put the command to be executed again and again. For example to generate 10 random pa..." current