User contributions for Saurabh
From Notes_Wiki
- 09:35, 9 April 2024 diff hist +223 N Rocky 9.x virtualization Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > Rocky 9.x virtualization *Rocky 9.x Podman Home > Rocky Linux or CentOS > Rocky Linux 9.x > Rocky 9.x virtualization" current
- 09:35, 9 April 2024 diff hist +29 m Rocky Linux 9.x
- 09:35, 9 April 2024 diff hist +195 m CentOS 8.x podman current
- 09:17, 9 April 2024 diff hist +1,290 m Installing Erlang by source current
- 09:15, 9 April 2024 diff hist −322 m Installing Erlang by source
- 03:41, 4 April 2024 diff hist +24 m Security tips current
- 03:41, 4 April 2024 diff hist +146 N End point security Created page with "Home > Security tips > End point security *SentinelOne Home > Security tips > End point security" current
- 03:41, 4 April 2024 diff hist +208 N SentinelOne Created page with "Home > Security tips > End point security > SentinelOne *Create path exclusion in SentinelOne Home > Security tips > End point security > SentinelOne" current
- 03:41, 4 April 2024 diff hist +2,067 N Create path exclusion in SentinelOne Created page with "Home > Security tips > End point security > SentinelOne > Create path exclusion in SentinelOne Sometimes application such as end-point backup may not work properly if we have SentinelOne based End-point protection as backup tools will try to work with Volume Shadow Copy (VSS) and other OS files. In that case we may have to create interoperability exclusion for the backup tool for it to work properly. To create a path exclusion in Sentinel..." current
- 03:18, 4 April 2024 diff hist +33 m Windows Desktop Tools or Utilities current
- 03:17, 4 April 2024 diff hist +450 N Useful Windows cmd options Created page with "Home > Windows > Windows Desktop Tools or Utilities > Useful Windows cmd options =Calculate hash such as md5 or sha1 for a file in Windows= To calculate hash of a file in Windows use: <pre> certutil -hashfile <path\filename.ext> <hash-algorithm> </pre> Where <hash-algorithm> can be MD5, SHA1, SHA256 or SHA512. Home > Windows > Windows Desktop Tools or Utilities > Useful Windows cmd options" current
- 09:11, 28 March 2024 diff hist +466 m Download private youtube videos current
- 09:03, 28 March 2024 diff hist +55 m Zentyal current
- 09:03, 28 March 2024 diff hist +689 N Zentyal unable to ping gateway from zentyal server Created page with " Home > Zentyal > Zentyal unable to ping gateway from zentyal server After deploying Zentyal as internal server with just one interface (no proxy / Gateway feature), from SSH prompt we are unable to ping the gateway IP from the Zentyal server. This is after adding ICMP allowed in all four types of packet filter. Note that from other machines we are able to ping Zentyal (Incoming). Only outgoing ping to gateway from Zentyal was found not to be w..." current
- 09:01, 28 March 2024 diff hist +12 m Main Page current
- 09:01, 28 March 2024 diff hist +131 N Zentyal Created page with " Home > Zentyal *Zentyal Configure local recursive DNS for LAN systems Home > Zentyal"
- 09:01, 28 March 2024 diff hist +1,064 N Zentyal Configure local recursive DNS for LAN systems Created page with " Home > Zentyal > Zentyal Configure local recursive DNS for LAN systems To configure Zentyal DNS service as local recursive DNS for LAN systems use: # ssh to zentyal as normal user and use "sudo su -" to get root access # Edit file '<tt>/etc/zentyal/dns.conf</tt>' (Path for this in below reference link is wrong) with #:<pre> #:: intnets = 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16 #:</pre> # I could not find option to restart DNS service so I chos..." current
- 08:16, 28 March 2024 diff hist +51 m Paloalto troubleshooting options current
- 08:16, 28 March 2024 diff hist +1,668 N Paloalto firewall clear application usage data Created page with "Home > Enterprise security devices or applications > Paloalto firewall > Paloalto troubleshooting options > Paloalto firewall clear application usage data On the Policy -> security page we can see some values related to each rule such as: * When was the rule created * When was it last modified * No. of hits etc. Along with this we also see a link showing count / types of application identified/allowed based on that rule. In most organizati..." current
- 08:09, 28 March 2024 diff hist +27 m Hardware current
- 08:08, 28 March 2024 diff hist +4,420 N Solve 2x2 Rubik's cube Created page with " Home > Hardware > Solve 2x2 Rubik's cube =Notation= There are six notations for: ; L : Left ; R : Right ; U : Up ; D : Down ; F : Front ; B : Back In these if the notations are same as above then we need to rotate clock-wise. Assume clock to be present on the floor, on the wall on the left and on the wall on the front. Accordingly calculate clockwise for both U/D (Clock on floor), L/R (Clock on left wall) and F/B (Call on wall in front of you)..." current
- 07:16, 14 March 2024 diff hist +165 m Securing organizations IT infrastructure from modern threats current
- 07:26, 29 February 2024 diff hist +666 m Securing organizations IT infrastructure from modern threats
- 12:01, 28 February 2024 diff hist +299 m Securing organizations IT infrastructure from modern threats
- 03:12, 28 February 2024 diff hist 0 m Migrate machines to VMWare vCenter VMs using standalone converter current
- 04:53, 26 February 2024 diff hist +27 m Security tips
- 04:53, 26 February 2024 diff hist +760 N Malware download links Created page with "Home > Security tips > Malware download links During a recent testing of XDR needed a few malware to see if XDR can even detect these based on AI / heuristics without depending too much on hashes. For that downloaded required malware from: * https://www.ikarussecurity.com/en/private-customers/download-test-viruses/ * https://www.spyshelter.com/security-test-tool/ * https://www.wicar.org/test-malware.html * http://www.tekdefense.com/downloads/malw..." current
- 04:30, 26 February 2024 diff hist +1,675 N AI tools Created page with "Home > Online tools and utilities > AI tools By using Very large language models we see emergent behavior and capabilities that we do not see in other smaller models. With the rise of LLMs we have a large no. of AI tools at disposal. Some of them are described below. =Used tools= ; https://www.perplexity.ai/ : This allows asking very specific queries and getting a precise answer. The best part of this tool is precision and also references based..." current
- 04:30, 26 February 2024 diff hist +13 m Online tools and utilities current
- 04:06, 26 February 2024 diff hist +228 m Disable root password expiry on vCenter current
- 04:04, 26 February 2024 diff hist +800 m Disable root password expiry on vCenter
- 03:58, 26 February 2024 diff hist +4,167 N Suse working with SMT server Created page with "Home > Suse > Suse working with SMT server =About SMT= To help with product updates and registrations centrally via a local server without requiring each server to have outgoing connectivity directly to Suse Customer Center (SCC) or Internet. This also helps in avoiding repeat download of OS update packages for each server over WAN link. =Error while registering an internal machine with local SMT= We might see error such as below while using lo..." current
- 03:58, 26 February 2024 diff hist +65 m Suse current
- 03:42, 26 February 2024 diff hist +126 m CentOS 8.x postfix send email through relay or smarthost with smtp authentication current
- 03:41, 26 February 2024 diff hist +86 m Paltalto firewall Monitor Session Browser current
- 03:41, 26 February 2024 diff hist +86 m Paltalto firewall Monitor allowed/denied traffic current
- 03:40, 26 February 2024 diff hist +417 m Paltalto firewall Monitor Session Browser
- 03:40, 26 February 2024 diff hist +419 m Paltalto firewall Monitor allowed/denied traffic
- 03:30, 26 February 2024 diff hist +2,163 N Reset ESXi root password Created page with "Home > VMWare platform > VMWare vSphere or ESXi > Reset ESXi root password Official KB at https://kb.vmware.com/s/article/1317898 suggests only option to reset password in ESXi 3.5 and above is by reinstalling. However as per referece link we have a few other options such as: '''Note that the below options are not validated in production yet''' ; Host profiles : Via vCenter extract existing host's host-profile. Then edit the host profile an..." current
- 03:17, 26 February 2024 diff hist +30 m VMWare vSphere or ESXi current
- 03:06, 26 February 2024 diff hist +537 m Backing up and restoring MySQL database current
- 03:02, 26 February 2024 diff hist +259 m Cloning disks or partitions using dd current
- 10:04, 25 February 2024 diff hist +733 N Useful Windows powershell options Created page with "Home > Windows > Windows Desktop Tools or Utilities > Useful Windows powershell options =Test-NetConnection= We can test network connectivity to a remote computer / port via: <pre> Test-NetConnection [[-ComputerName] <String>] -Port <Int32> [-InformationLevel <String>] [<CommonParameters>] </pre> For exmaple: <pre> Test-NetConnection -ComputerName 10.1.1.1 -Port 443 -InformationLevel "Detailed" </pre> This can be a useful alternative to Linux..." current
- 10:04, 25 February 2024 diff hist +39 m Windows Desktop Tools or Utilities
- 09:55, 25 February 2024 diff hist +605 m VMWare vSAN storage policy configuration current
- 09:51, 25 February 2024 diff hist +885 m Emacs and org-mode notes current
- 09:34, 25 February 2024 diff hist +245 m Securing organizations IT infrastructure from modern threats
- 09:30, 25 February 2024 diff hist +88 m Rocky 9.x Network Configuration current
- 09:30, 25 February 2024 diff hist +1,634 N Rocky 9.x Issues while connecting to some wireless networks using Broadcom wireless Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > System Administration > Network Configuration > Rocky 9.x Issues while connecting to some wireless networks using Broadcom wireless For messages such as below repeated multiple times in '<tt>/var/log/messages</tt>': <pre> Feb 25 13:45:28 barjatiyarklp wpa_supplicant[1660]: wlp3s0: CTRL-EVENT-SCAN-FAILED ret=-22 retry=1 </..."
- 06:46, 24 February 2024 diff hist +205 m Securing organizations IT infrastructure from modern threats
- 06:17, 24 February 2024 diff hist +661 m Securing organizations IT infrastructure from modern threats
- 04:38, 20 February 2024 diff hist +3,494 m Securing organizations IT infrastructure from modern threats
- 04:13, 20 February 2024 diff hist +1,262 N Live Optics Created page with "Home > VMWare platform > VMWare Platform Miscellaneous > Live Optics =Getting current resource utilization= We can use liveoptics for getting current resource utilization such as: * 95% IOPS * Peak and 95% CPU usage * Peak and 95% memory usage * Overall storage usage etc. for a physical host, hypervisor such as Hyper-V or ESXi, etc. This information is critical if we are trying to size a new environment during migration - P2V or V2V or hard..." current
- 04:09, 20 February 2024 diff hist +17 m VMWare Platform Miscellaneous current
- 04:08, 20 February 2024 diff hist +223 m RVTools current
- 04:07, 20 February 2024 diff hist +12 m VMWare Platform Miscellaneous
- 04:07, 20 February 2024 diff hist +1,301 N RVTools Created page with "Home > VMWare platform > VMWare Platform Miscellaneous > RVTools =Getting information about ESXi or vCenter environment= We can get detailed information about ESXi or vCenter environment including information on health issues such as: * Connected CD/DVD drive * CPU/Memory configuration issues * Zombie disks by using RV tools. We only need to give ESXi host / vCenter information (IP, Username, Password) and then within a minute we can see all t..."
- 05:15, 1 February 2024 diff hist +1,857 m CentOS 8.x Securing a Linux machine
- 13:23, 26 January 2024 diff hist +1,818 m Securing organizations IT infrastructure from modern threats
- 12:30, 26 January 2024 diff hist +4,620 m Securing organizations IT infrastructure from modern threats
- 11:55, 26 January 2024 diff hist +374 m CentOS 8.x Securing a Linux machine
- 08:41, 19 January 2024 diff hist +414 m Securing organizations IT infrastructure from modern threats
- 07:55, 6 December 2023 diff hist +3,076 m Securing organizations IT infrastructure from modern threats
- 05:04, 6 December 2023 diff hist +1,256 m Securing organizations IT infrastructure from modern threats
- 12:40, 4 December 2023 diff hist +66 m Security tips
- 12:39, 4 December 2023 diff hist +12,133 N Securing organizations IT infrastructure from modern threats Created page with "Home > Security tips > Securing organizations IT infrastructure from modern threats To secure an organization against modern threats consider following: ; User VLANs gateway at firewall : All VLANs should be only L2 at core / distribution / access level. Gateway for all users should be at perimeter firewall. All traffic between two user VLANs should go via firewall. : In this case have separate VLANs for printers, Biometric devices, CCTV, etc...."
- 05:47, 12 November 2023 diff hist +38 m Rocky 9.x System Administration
- 05:47, 12 November 2023 diff hist +433 N Rocky 9.x Network Configuration Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > System Administration > Network Configuration *Rocky 9.x Look at network interface statistics Home > Rocky Linux or CentOS > Rocky Linux 9.x > System Administration > Network Configuration"
- 05:47, 12 November 2023 diff hist +1,545 N Rocky 9.x Look at network interface statistics Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > System Administration > Network Configuration > Look at network interface statistics =Look at per interface statistics= Per-interface statistics can be seen at: <pre> /sys/class/net/<interface-name>/statistics </pre> Refer: * https://stackoverflow.com/questions/349576/linux-re..." current
- 05:26, 12 November 2023 diff hist +278 m Recommended firefox plugins current
- 05:20, 12 November 2023 diff hist +183 m Convert image to base64 current
- 05:17, 12 November 2023 diff hist +50 m VMWare vSphere or ESXi
- 05:17, 12 November 2023 diff hist +663 N Unable to login into ESXi host web UI or SSH Created page with "Home > VMWare platform > VMWare vSphere or ESXi > Unable to login into ESXi host web UI or SSH If you are unable to login to ESXi Web UI and even SSH while the same password is working on ESXi DCUI console ( https://kb.vmware.com/s/article/2148363 ) then it is possible that ESXi is locked. Through DCUI console disable ESXi lockdown mode and after that the Web UI and SSH login should work. Refer: * https://communities.vmware.com/t5/ESXi-Discus..." current
- 05:13, 12 November 2023 diff hist +86 m Online tools and utilities
- 05:13, 12 November 2023 diff hist +516 N Convert image to base64 Created page with "Home > Online tools and utilities > Convert image to base64 While writing HTML code, it is possible to embed image directly in the HTML page instead of referring it from some other location as explained at https://www.w3docs.com/snippets/html/how-to-display-base64-images-in-html.html For this to convert image to base64 we can use online tool at: * https://www.base64encoder.io/image-to-base64-converter/ Home > Online tools and..."
- 05:04, 12 November 2023 diff hist +35 m Rocky 9.x Desktop tools and applications current
- 05:04, 12 November 2023 diff hist +638 N Rocky 9.x decompress xz files Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > Desktop tools and applications > Rocky 9.x decompress xz files To decompress .xz files on rocky linux we can use: # Install xz utilities #:<pre> #:: dnf -y install xz #:</pre> # Then decompress xz file using: #:<pre> #:: xz --decompress <filename> #:</pre> Refer: * https://computingforgeeks.com/how-to-extract-xz-files-on-linux/ Home..." current
- 04:59, 12 November 2023 diff hist +31 m Rocky 9.x Desktop tools and applications
- 04:59, 12 November 2023 diff hist +2,078 N Rocky 9.x Reopening closed tabs in firefox Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > Desktop tools and applications > Firefox browser > Reopening closed tabs in firefox Sometimes before closing the browser we may want to save all tabs to reopen them again later. Also a few times instead of closing another window we may close firefox browser along with all tabs...." current
- 04:53, 12 November 2023 diff hist +442 N Rocky 9.x Firefox browser Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > Desktop tools and applications > Firefox browser *Rocky 9.x Reopening closed tabs in firefox Home > Rocky Linux or CentOS > Rocky Linux 9.x > Desktop tools and applications > Firefox browser" current
- 04:52, 12 November 2023 diff hist +33 m CentOS 7.x Firefox current
- 04:51, 12 November 2023 diff hist +32 m Firefox current
- 04:51, 12 November 2023 diff hist +244 m CentOS 8.x Firefox current
- 04:30, 15 October 2023 diff hist +93 m Windows 11 current
- 04:30, 15 October 2023 diff hist +943 N Windows 11 Enable clipboard history to allow pasting from multiple different clipboards Created page with "Home > Windows > Windows 11 > Enable clipboard history to allow pasting from multiple different clipboards =Enable clipboard history in settings= It is possible to have more than one clipboard in Windows by enabling: # Go to Settings -> System -> Clipboard # Enable toggle buttom for clipboard history. Refer: * https://www.howtogeek.com/671222/how-to-enable-..." current
- 04:24, 15 October 2023 diff hist +2 m Paloalto NAT examples current
- 04:23, 15 October 2023 diff hist 0 m Paloalto firewall captive portal current
- 04:20, 15 October 2023 diff hist +1,829 m Paloalto firewall AD integration current
- 04:09, 15 October 2023 diff hist +1,531 m CentOS 8.x apache troubleshooting current
- 05:53, 8 October 2023 diff hist +980 N Rocky 9.x Force rescan or check of xfs filesystem on reboot Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > System Administration > File system management > Force rescan or check of xfs filesystem on reboot To force rescan or check of xfs filesystem on reboot use: # Edit /etc/fstab file and change values in last two columns to non-zero # Create a file using: #:<pre> #:: t..." current
- 05:49, 8 October 2023 diff hist +513 N Rocky 9.x file system management Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > System Administration > File system management *Rocky 9.x Force rescan or fsck of ext filesystem on reboot *Rocky 9.x Force rescan or check of xfs filesystem on reboot Home > Rocky Linux or CentOS > Rocky Linux 9.x > System Administration > Rocky 9.x file syst..."
- 05:49, 8 October 2023 diff hist +338 m CentOS 8.x File system management current
- 05:49, 8 October 2023 diff hist +122 m CentOS 7.x file system management current
- 05:43, 8 October 2023 diff hist +38 m Rocky 9.x System Administration
- 05:42, 8 October 2023 diff hist +873 N Rocky 9.x Force rescan or fsck of ext filesystem on reboot Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > System Administration > File system management > Force rescan or fsck of ext filesystem on reboot We may want to enforce fsck or checking of ext partition on reboot. For that use: <pre> tune2fs -c 1 /dev/sdXY </pre> The above will cause filesystem to get scanned on..." current
- 05:39, 8 October 2023 diff hist +65 m Rocky 9.x Package management
- 05:39, 8 October 2023 diff hist +67 m CentOS 8.x Package management current
- 05:36, 8 October 2023 diff hist +209 m CentOS 8.x dnf basics current
- 05:16, 8 October 2023 diff hist +213 m CentOS 8.x Package management
- 05:16, 8 October 2023 diff hist +1,468 N CentOS 8.x migrate to CentOS 8.x Stream Created page with "Home > CentOS > CentOS 8.x > System Administration > Package management > CentOS 8.x migrate to CentOS 8.x Stream If you have older CentOS 8 machines they wont work now as repositories have been discontinued. To make them usable, we can migrate from CentOS to CentOS 8.x stream using: # Change all repository configuration as follows ##..." current