All public logs
From Notes_Wiki
Combined display of all available logs of Notes_Wiki. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)- 06:48, 10 December 2022 Saurabh talk contribs created page Rocky 8.x SSH client Connecting to old network devices with legacy protocols and ciphers (Created page with "Home > Rocky Linux or CentOS > Rocky Linux 8.x > System Administration > SSH client > Connecting to old network devices with legacy protocols and ciphers If while connecting to a network device (eg TP-Link AP or switch) you get errors similar to '''one among''' below: <pre> Unable to negotiate wit...")
- 06:46, 10 December 2022 Saurabh talk contribs created page Rocky 8.x SSH client (Created page with "Home > Rocky Linux or CentOS > Rocky Linux 8.x > System Administration > SSH client *Rocky 8.x SSH client Connecting to old network devices with legacy protocols and ciphers '''There are older articles on this at: CentOS 8.x SSH client'''")
- 06:45, 10 December 2022 Saurabh talk contribs created page Rocky 8.x System Administration (Created page with "Home > Rocky Linux or CentOS > Rocky Linux 8.x > System Administration *Rocky 8.x SSH client")
- 06:45, 10 December 2022 Saurabh talk contribs created page Rocky Linux 8.x (Created page with "Home > Rocky Linux or CentOS > Rocky Linux 8.x *Rocky 8.x System Administration")
- 07:55, 15 October 2022 Saurabh talk contribs created page Convert date to different format using date command (Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > Desktop tools and applications > Convert date to different format using date command '''Older article on this is at Date''' =Convert date in human-readable format to seconds since epoch (1 Jan 1970)= May databases and log files may output timestamp in seconds since 1 Jan 1970 instead of using human-readable format. In such cases convert date to...")
- 07:42, 15 October 2022 Saurabh talk contribs created page Rocky 9.x Database servers (Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > Database servers *Rocky 9.0 Mariadb server Home > Rocky Linux or CentOS > Rocky Linux 9.x > Database servers")
- 07:42, 15 October 2022 Saurabh talk contribs created page Rocky 9.0 Mariadb server (Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > Database servers > Mariadb *Rocky 9.0 Mariadb Save SQL query output to a file Home > Rocky Linux or CentOS > Rocky Linux 9.x > Database servers > Mariadb")
- 07:41, 15 October 2022 Saurabh talk contribs created page Rocky 9.0 Mariadb Save SQL query output to a file (Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > Database servers > Mariadb > Save SQL query output to a file To save SQL query output to a file append the SQL query with: <pre> INTO OUTFILE '/tmp/output1.txt'; </pre> '''Note that above file may not be visible in /tmp. You may have to go to /tmp/systemd-private-<uid>-mariadb.service...")
- 06:20, 15 October 2022 Saurabh talk contribs created page Reset root password on vCenter 7.x (Created page with "Home > VMWare platform > VMWare vCenter > Reset root password on vCenter 7.x To reset forgotten root password for vCenter 7.x use: # If "administrator@vsphere.local" login is working and only root passwords needs to be reset then we can get vCenter VM console from vCenter itself. ## If administrator@vsphere.local password is also not known then Login into ESXi host where vCenter VM is present. ##: If there are multiple hosts we need to login in...")
- 05:43, 15 October 2022 Saurabh talk contribs created page Rocky 9.x Increase default PHP resources (Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > Web Servers > Increase default PHP resources Compared to default '<tt>/etc/php.ini</tt>' values use: <pre> max_execution_time = 600 max_input_time = 1200 memory_limit = 2560M post_max_size = 160M upload_max_filesize = 400M max_file_uploads = 400 max_input_vars = 10000 date.timezone = 'Asia/Kolkata' </pre> Further,...")
- 05:38, 15 October 2022 Saurabh talk contribs created page Rocky 9.x Configure apache web server for concurrency (Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > Web Servers > Apache > Configure for concurrency Concurrency is handled via mpm module. There are different types of mpm modules out of which only one can be used at a time. We can see currently enabled mpm module via: <pre> httpd -V | grep -i mpm </pre> We can see whic...")
- 05:31, 15 October 2022 Saurabh talk contribs created page Rocky 9.x Desktop tools and applications (Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > Desktop tools and applications *chown command Home > Rocky Linux or CentOS > Rocky Linux 9.x > Desktop tools and applications")
- 05:31, 15 October 2022 Saurabh talk contribs created page Chown command (Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > Desktop tools and applications > Chown command =Change ownership of symbolic links= Normally chown changes ownership of file / directory pointed by symbolic link. To change ownership of symbolic link itself we need to use '<tt>-h</tt>' option. For example <pre> chown -h <user>:<group> <symbolic-link-name.txt> </pre> Refer: * https://unix.stackexch...")
- 08:46, 7 October 2022 Saurabh talk contribs created page Rocky 9.x Owncloud upgrade by migrating to a new VM with updated version (Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > File Sharing > Owncloud > Upgrade and Migrate To upgrade owncloud along with migrating to a new VM (Typically cloud or at least public) use: # Stop web server on old server. For example #:<pre> #:: /opt/owncloud-<ver>/ctlscript.sh stop apache #:</pre> # Take one full backup...")
- 06:47, 7 October 2022 Saurabh talk contribs created page Rocky 9.x Owncloud delete files via REST API via command line (Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > File Sharing > Owncloud > Delete files via REST API via command line If there is need to delete file from CLI instead of using Web login / Desktop client then use: <pre> curl -u <owncloud-username>:<owncloud-password> -X DELETE https://<owncloud-fqdn-or-ip>/owncloud/remote.php/webdav/<p...")
- 06:44, 7 October 2022 Saurabh talk contribs created page Rocky 9.x Owncloud Manually moving DataDirectory (Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > File Sharing > Owncloud > Manually moving DataDirectory We can change path of owncloud DataDirectory as follows: ('''Assuming moving from''' /var/www/owncloud '''to''' /mnt/owncloud ) # Enable maintenance mode. For example #:<pre> #:: cd /var/www/html/owncloud #:: sudo -u apache php -f occ mainten...")
- 06:31, 7 October 2022 Saurabh talk contribs created page Rocky 9.x Owncloud (Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > File Sharing > Owncloud *Rocky 9.x Owncloud Manually moving DataDirectory *Rocky 9.x Owncloud delete files via REST API via command line *Rocky 9.x Owncloud upgrade by migrating to a new VM with updated version '''There are older articles at:''' *CentOS 8.x Owncloud *CentOS 7.x owncloud Home > Rocky Linux or Cen...")
- 06:30, 7 October 2022 Saurabh talk contribs created page Rocky 9.x File sharing (Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > File Sharing *Rocky 9.x Owncloud Home > Rocky Linux or CentOS > Rocky Linux 9.x > File Sharing")
- 06:20, 7 October 2022 Saurabh talk contribs created page Rocky 9.x Web servers (Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > Rocky 9.x Web servers *Rocky 9.x Apache web server configuration Home > Rocky Linux or CentOS > Rocky Linux 9.x > Rocky 9.x Web servers")
- 06:13, 7 October 2022 Saurabh talk contribs created page Ls command (Created page with "Home > Shell scripting > ls command =Get full time along with year information in ls -l output= Normally '<tt>ls -l</tt>' output only prints date (day) and month and not year information of file last modification, access or change time. If the file is modified today itself it prints hour:minute information. To list year, seconds, Microseconds also use: <pre> ls -l --full-time </pre> Refer: * https://stackoverflow.com/questions/13999300/bash-ls-...")
- 10:02, 5 October 2022 Saurabh talk contribs created page Rocky 9.x Installing lets-encrypt SSL certificate (Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > Rocky 9.x Apache web server configuration > Rocky 9.x Installing lets-encrypt SSL certificate To install lets-encrypt certificate on a machine for use with apache (httpd) use: # dnf -y install epel-release mod_ssl # dnf -y install certbot python3-certbot-apache # certbot apache mode works only when NameVirtualHost is enabled and appropriate VirtualHost are created in apache. If this is not p...")
- 09:56, 5 October 2022 Saurabh talk contribs created page Rocky 9.x Apache web server configuration (Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > Rocky 9.x Apache web server configuration *Rocky 9.x Installing lets-encrypt SSL certificate '''There are older articles at: * CentOS 8.x apache web server''' * Apache web server configuration Home > Rocky Linux or CentOS > Rocky Linux 9.x > Rocky 9.x Apache web server configuration")
- 09:52, 5 October 2022 Saurabh talk contribs created page Rocky Linux 9.x (Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x *Apache web server configuration")
- 09:51, 5 October 2022 Saurabh talk contribs moved page CentOS to Rocky Linux or CentOS
- 09:42, 5 October 2022 Saurabh talk contribs created page Disable root password expiry on vCenter (Created page with "Home > VMWare platform > VMWare vCenter > Disable root password expiry on vCenter To disable password expiry on vCenter '''Very important for VxRail / vCF automated environments''' use: # Login into vCenter via SSH and get access to bash shell by typing 'shell' in appliancesh prompt. #: OR we can open vCenter VM console via vCenter / ESXi host and login with root username and password # Change existing password (if required) via: #:<pre> #:: pa...")
- 09:38, 5 October 2022 Saurabh talk contribs created page Disable password expiry on SDDC Manager (Created page with "Home > VMWare platform > vCloud Foundation > Disable password expiry on SDDC Manager We should disable both root and vcf user password expiry on SDDC Manager via: # Either SSH to SDDC manager and login as vcf user. Then use 'su -' and enter root password to get root shell #: OR open remote console for SDDC manager VM via vCenter. Login with root user and root password # If vCenter root or SDDC manager root or SDDC manager vc...")
- 12:12, 25 September 2022 Saurabh talk contribs created page Delete Recovery partition in Windows 10 (Created page with "Home > Windows > Windows 10 > Delete Recovery partition in Windows 10 It is possible to have a recovery partition created after C: drive in Windows 10 after OS installation. This makes it difficult to increase the hard-disk size (esp. in case of VMs / storages) and expand C drive. If the recovery partition is not required then in such cases it can be deleted via: # If there are backup options (eg snapshot, etc.) perhaps take a proper backup...")
- 11:51, 25 September 2022 Saurabh talk contribs created page Disable cortana and use normal windows search using registry editing (Created page with "Home > Windows > Windows Server 2019 > Disable cortana and use normal windows search using registry editing To optimize on resources when Cortana is not desired (eg RDSH server with Horizon where OS Optimization TOol is not used), we can disable it via registry using: # Open regedit # Go to "HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Windows Search" # If you don’t see a "Windows Search" key (folder) under the Windows folder, right...")
- 07:50, 25 September 2022 Saurabh talk contribs created page Multiple conhost.exe using high overall CPU esp. in VDI RDSH environment (Created page with "Home > Windows > Windows Server 2019 > Multiple conhost.exe using high overall CPU esp. in VDI RDSH environment In case of a VDI RDSH environment observed multiple conhost.exe processes with high CPU. Tried to use: <pre> sfc /scannow </pre> in administrator CMD. This did not solve the problem. Using sysinternal process explorer ( https://learn.microsoft.com/en-us/sysinternals/downloads/process-explorer ) also did not reveal more insight. D...")
- 03:16, 21 September 2022 Saurabh talk contribs created page Configure NSX-T north-south gateway firewall rules or policies (Created page with "Home > VMWare platform > VMWare NSX > Configure NSX-T north-south gateway firewall rules or policies When we configure NSX-T T0 in active-active mode as advised at Configure NSX-T 3.0 from scratch with edge cluster and tier gateways or as is automatically done when using VCloud Foundation automated NSX-T deployment, then while configuring north-south gateway firewall rules or policies we need to: * Ensure that TCP strict is disabled as...")
- 11:12, 12 September 2022 Saurabh talk contribs created page Add power servers to vHMC (Created page with "Home > VIOS or AIX > Add power servers to vHMC To add power servers to a new HMC use: # Login into HMC web interface as hscroot user # Go to all Systems # Choose option for "Add Managed Systems" # Add the IP address of HMC (not VIOS) of the power server to be added # Enter hmc admin password for authentication. (Default password is admin). # On confirm Add systems popup click "Add" # There might be prompt to set ASM General password. We can leave...")
- 09:19, 12 September 2022 Saurabh talk contribs created page Deploy vHMC virtual appliance and go through Install Wizard (Created page with "Home > VIOS or AIX > Deploy vHMC virtual appliance and go through Install Wizard vHMC can be deployed on top of VMWare (ESXi) or KVM hypervisors. To deploy it on vSphere use following steps: # Choose option to deploy OVA/OVF file from vSphere web client # Give appropriate VM name as per requirement and choose downloaded ova file from local disk to deploy vHMC # Choose appropriate Datastore, Network, Thin/Thick disk, etc. to deploy the VM # After o...")
- 05:48, 12 September 2022 Saurabh talk contribs created page Enabling photo viewer in Windows Server 2019 (Created page with "Home > Windows > Windows Server 2019 > Enabling photo viewer in Windows Server 2019 Home > VMWare platform > VMWare Horizon > Enabling photo viewer in Windows Server 2019 In case of Server 2019 machine being used as Desktop (eg RDSH VDI scenario), it might be useful to change default photo application from paint to photo viewer using: # Go to '<tt>C:\Program Files (x86)\Windows Photo Viewer</tt>' and look for DLLs rel...")
- 03:20, 12 September 2022 Saurabh talk contribs created page Configure NSX-T exclusion list (Created page with "Home > VMWare platform > VMWare NSX > Configure NSX-T exclusion list Sometimes it is desired to exclude a few VMs such as NSX controller cluster / NSX manager cluster, vCenter, AD etc. from NSX so that even if we make a mistake in writing an NSX distributed firewall policy, we can at least login into vCenter / NSX manager etc. and revert the changes. To configure a group (list) of VMs that should be excluded from NSX policies use: # Login int...")
- 06:33, 30 August 2022 Saurabh talk contribs created page Upgrading 12SP4 LPAR to 15SP1 (Created page with "Home > VIOS or AIX > Upgrading 12SP4 LPAR to 15SP1 To upgrade 12SP4 LPAR to 15SP1 use: # Connect two virtual optical drivers (one for installer and one for packages). See Add Virtual Optical Media to LPAR with desired OS ISO image # Start "Upgrade" option after booting through CD using "System management services". See Activating the LPAR (Starting) #* Press up/down arrow to get grub # Ideally we should have taken a backup of system (root...")
- 06:29, 30 August 2022 Saurabh talk contribs created page Backup of LPAR by booting into Suse installer DVD rescue mode (Created page with "Home > VIOS or AIX > Backup of LPAR by booting into Suse installer DVD rescue mode To take disk level image backup of LPAR to a remote location use: # We should have a backup destination with dd, nc installed. It can be a Linux machine (Physical or VM) or in case of Windows install Cygwin with ddrescue and nc also selected along with default packages. # Boot the LPAR via "System Management Service" so that we can go to rescue mode of CD. (Suse12S...")
- 06:26, 30 August 2022 Saurabh talk contribs created page Installing Suse 12SP4 in LPAR (Created page with "Home > VIOS or AIX > Installing Suse 12SP4 in LPAR After Activating the LPAR (Starting) to boot via Suse 12SP4 installed DVD (See Uploading a new OS ISO to VIOS Library and Add Virtual Optical Media to LPAR with desired OS ISO image), we can install OS using: # After existing "System Management Service" via grub choose option of "Installation". #* You may have to press up-down arrow to get grub menu #* Careful avoid left-right arrow....")
- 06:24, 30 August 2022 Saurabh talk contribs created page Activating the LPAR (Starting) (Created page with "Home > VIOS or AIX > Activating the LPAR (Starting) After Create LPAR and Add Virtual Optical Media to LPAR with desired OS ISO image we can activating the created LPAR and boot it using attached virtual optical media using: # Login into vHMC # Go to Power server # Select the LPAR. From Actions menu choose "Activate" # To boot via virtual optical CD/DVD in "Activation Options" expand "Advanced Settings" against "Boot Mode" select "System M...")
- 06:20, 30 August 2022 Saurabh talk contribs created page Add Virtual Optical Media to LPAR with desired OS ISO image (Created page with "Home > VIOS or AIX > Add Virtual Optical Media to LPAR with desired OS ISO image To add a virtual CD/DVD (Optical Media) to LPAR using ISO image uploaded to library (See Uploading a new OS ISO to VIOS Library ) use: # Login into vHMC # Go to LPAR created in above steps # Go to "Virtual Storage" # Go to "Virtual Optical Device" # Click on "Add Virtual Optical Device" # Give approprite Device Name (eg cd1), Select the VIOS Server, click ok. # Se...")
- 05:04, 30 August 2022 Saurabh talk contribs created page Uploading a new OS ISO to VIOS Library (Created page with "Home > VIOS or AIX > Uploading a new OS ISO to VIOS Library To upload a new OS ISO to VIOS Library (and optionally create a new library as required): # Download relevant ISO using Internet # Use "WinSCP" with scp (*and not sftp*0 to login into VIOS as padmin or root # Copy the ISO to /home/padmin (padmin) or /tmp (root). #: If copied to /home/padmim, login into putty as padmin. Use "r o". Move uploaded ISO to /tmp. # Login into vHMC # Go to Pow...")
- 05:02, 30 August 2022 Saurabh talk contribs created page Adding Root disk / storage to LPAR (Created page with "Home > VIOS or AIX > Adding Root disk / storage to LPAR To add root disk or additional storage to LPAR via vHMC: # Go to LPAR created as per Create LPAR # Go to "Virtual Storage" # In case of virtual FC storage (NPIV) ## Using "Virtual Fibre Channel" tab ##* Add virtual Fiber channel devices to the LPAR ##* Select all Fibre Channel Ports (2/4) and click ok. ##: You can see availabile port connections count (eg 61) on this screen. ## Do zoning,...")
- 05:00, 30 August 2022 Saurabh talk contribs created page Adding Virtual Network to LPAR (Created page with "Home > VIOS or AIX > Adding Virtual Network to LPAR To add Virtual network (NIC) to LPAR via vHMC use: # Go to LPAR created as per Create LPAR # Go to "Virtual Networks" # Click "Attach Virtual Network" # Select appropriate virtual network name based on site. Ideally this network should be connected to a "Virtual Network Bridge" # Click ok. Home > VIOS or AIX > Adding Virtual Network to LPAR")
- 04:59, 30 August 2022 Saurabh talk contribs created page Create LPAR (Created page with "Home > VIOS or AIX > Create LPAR To create LPAR using vHMC use: # Login into vHMC # Go to Power Server # Click on "Create Partition" on top right corner # Give appropriate Partition Name. ## Leave Partition ID to <auto assign>, Partition Type to AIX/Linux, Maximum Virtual Adapters:10 # Click on "Processor conifguration" with Processor Mode "Shared", Uncapped ## For test LPAR leave virtual processors minimum, allocated and maximum to 1 ## Processi...")
- 04:52, 30 August 2022 Saurabh talk contribs created page Using vi editing mode on shell (Created page with "Home > VIOS or AIX > Using vi editing mode on shell We can use following to enable vi editing mode on shell: <pre> set -o vi </pre> After this we can do the following at least: ;Esc + v : Escape takes to control mode and then v is for editing the line in vi. After editing we can use :wq to execute the typed command 'Esc + k : Escape takes to control mode and then k takes to previous command in history. More on this at https://www.ibm.com/docs/...")
- 15:12, 24 August 2022 Saurabh talk contribs moved page Nessuss to Nessus (Corrected name)
- 07:52, 17 August 2022 Saurabh talk contribs created page Disable hot plug and unplug for NIC and USB for clients (Created page with "Home > VMWare platform > VMWare Horizon > Disable hot plug and unplug for NIC and USB for clients When users connect to Horizon VDI via Horizon client, they get option to unplug both USB and NIC. USB unplug is useful to safely remove USB device, but NIC unplug disconnections the VM. After that we need to remove the old NIC from the VM at vSphere/vCenter level and reconfigure the VM with same IP on a new NIC. To avoid all this we can disable...")
- 07:44, 17 August 2022 Saurabh talk contribs created page Configure RDSH licensing server and client for VDI (Created page with "Home > VMWare platform > VMWare Horizon > Configure RDSH licensing server and client for VDI By default the Windows Server 2019 VMs might allow RDSH via VDI RDSH pools to work only till 180 days. For any extended usage perhaps license is required. To setup a RDSH licensing server and client use below steps: =Get Microsoft licensing ID for the organization= The next sections explain server setup using "Agreement No". To find Agreement No fo...")
- 07:08, 17 August 2022 Saurabh talk contribs created page CentOS 8.x Roundcube web based installer for Gmail IMAP and SMTP (Created page with "Home > CentOS > CentOS 8.x > Web based tools > CentOS 8.x Roundcube > CentOS 8.x Roundcube web based installer for Gmail IMAP and SMTP After installation as per CentOS 8.x Roundcube installation visit http://<server-fqdn-or-ip>/installer to proceed further as follows: # Check environment -- click NEXT button in the bottom of page # Create Config ## In database setup section, fill Database password as co...")
- 07:07, 17 August 2022 Saurabh talk contribs created page CentOS 8.x Roundcube (Created page with "Home > CentOS > CentOS 8.x > Web based tools > CentOS 8.x Roundcube *CentOS 8.x Roundcube installation *CentOS 8.x Roundcube web based installer for Gmail IMAP and SMTP There are older articles on roundcube at Roundcube configuration")
- 07:07, 17 August 2022 Saurabh talk contribs created page CentOS 8.x Roundcube installation (Created page with "Home > CentOS > CentOS 8.x > Web based tools > CentOS 8.x Roundcube > Installation To install roundcube use following steps: # Install mariadb and set roundcube database using: #:<pre> #:: dnf -y install mariadb-server #:: systemctl start mariadb #:: systemctl enable mariadb #:: mysql_secure_installation #:: #:: mysql -u root -p #:: #:: CREATE DATABASE roundcubemail; #:: CRE...")