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VMWARE: VCSA 6.5 resetting update manager database

Martin 10/01/2018

When triyng to scan og remediate hosts, you may get errors saying that hosts cannot be updated in the event log, but nothing more, a quick and easy fix is to reset the update manage db and the patch store: Cautions: The following is a destructive task. Ensure you have working backups and/or snapshots of the vCenter Server Appliance 6.5 before proceeding. Connect to vCenter Server Appliance 6.5 via SSH Run the shell command to switch… VMWARE: VCSA 6.5 resetting update manager database

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VMWARE: Cannot update host with ESXCLI due to error OSError: [Errno 28] No space left on device

Martin 10/01/2018

When updating a ESXI HOST with esxcli, you may get this: Running command: esxcli software profile update -p ESXi-6.5.0-20180104001-standard \ -d https://hostupdate.vmware.com/software/VUM/PRODUCTION/main/vmw-depot-index.xml Output: [InstallationError] Failed updating the bootloader: Execution of command /usr/lib/vmware/bootloader-installer/install-bootloader failed: non-zero code returned return code: 1 output: ERROR: ld.so: object ‘/lib/libMallocArenaFix.so’ from LD_PRELOAD cannot be preloaded: ignored. Traceback (most recent call last): File “/usr/lib/vmware/bootloader-installer/install-bootloader”, line 238, in <module> main() File “/usr/lib/vmware/bootloader-installer/install-bootloader”, line 208, in main if isInstaller(): File “/usr/lib/vmware/bootloader-installer/install-bootloader”, line 199, in… VMWARE: Cannot update host with ESXCLI due to error OSError: [Errno 28] No space left on device

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VMWARE: Meltdown and Spectre

Martin 09/01/2018

Due to the new CPU bug, memory can be read by criminals, therefore update your OS and virtuel environments: Relevant Products VMware vSphere ESXi (ESXi) VMware Workstation Pro / Player (Workstation) excluded Workstation version 14 VMware Fusion Pro / Fusion (Fusion) excluded Fusion 10 Solution VMware vSphere 6.5: apply patch ESXi650-201712101-SG (released on Dec, 19th 2017) VMware vSphere 6.0: apply patch ESXi600-201711101-SG VMware vSphere 5.5: apply patch ESXi550-201709101-SG (this patch has remediation against CVE-2017-5715 but not against… VMWARE: Meltdown and Spectre

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Sophos XG: No IP is delivered via DHCP on branch office when static DHCP is in use

Martin 28/12/2017

When you use the internal DHCP server of the XG firewall, and you have configured dhcp static entries on ex. the LAN, and you then move the endpoint, ex. a laptop, to a branch office behind a red, where the XG also, via the RED, provides IP addresses on another network, then the static endpoint will never get a IP, and revert to an APIPA address. This is because the XG’s DHCP server is configured… Sophos XG: No IP is delivered via DHCP on branch office when static DHCP is in use

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Windows 7-10 and Server 2008-2016: Forgot Windows password

Martin 13/12/2017

If you should forget your local administrator password for your workstation or server, then this little life hack, can assist your further journey 🙂 Insert the installation DVD/ISO to your subjective OS, in this example, Windows Server 2016 The first screen you get is:   Choose your language and press Next:   On this screen press “Shift-F10” and you get a command prompt: Find the drive where the Windows folder resides, it’s not drive C… Windows 7-10 and Server 2008-2016: Forgot Windows password

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Sophos UTM 9.506-2 soft-released

Martin 25/11/2017

Sophos relased 9.506-2 which presents a lot of bugfixes, as a soft-release, which means you need to download it manually on the ftp server. In a short period af time, 1-2 weeks, it will be GA.   Release notes: Up2Date 9.506002 package description: Remarks: System will be rebooted Configuration will be upgraded Connected APs will perform firmware upgrade Connected REDs will perform firmware upgrade News: Maintenance Release Bugfixes: Fix [NUTM-8651]: [AWS] AWS Permission for “Import… Sophos UTM 9.506-2 soft-released

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HPE OfficeConnect Switches 1920 and 1920: Access secret CLI

Martin 13/11/2017

HPE OfficeConnect switches are entry-level devices, with no normal CLI, all config has to be done through the web gui, BUT there is a secret way to access the CLI anyways, though it’s NOT supported 🙂 Login to the swutch through telnet, ssh or console: For V1910 type: “_cmdline-mode on” And for password, type “512900” For V1920 type: “_cmdline-mode on” And for password, type “Jinhua1920unauthorized” And enjoy the “deeper” CLI of the switch 🙂 Remember,… HPE OfficeConnect Switches 1920 and 1920: Access secret CLI

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