How to remove ghost LUN in Solaris

sometimes we have leftover phantom or ghost luns: Removing a ghost LUN in Solaris – First make sure it’s not in use First thing I do is make sure that the disk isn’t under control of STMS or Veritas. The two most likely disk management packages.  # stmsboot -L  or # vxdisk list  whatever_disk If the disks are […]

Linux Multiple Gateways

example use: one gateway to send outgoing traffic. Other traffic use the other gateway. Two Gateways below for example: gw1 : 172.26.2.100 gw2 : 172.26.3.100 Create a virtual interface which will be used by processes that need to send traffic to gateway gw2: $ ifconfig eth0:1 172.26.3.209 Create a definition and give a name to […]

Supermicro IPMI Device Configuration Using IPMICFG

  On Supermicro servers, IPMI can be configured either by using an open-source utility called IPMItool or by using BIOS through a VGA console or by using IPMICFG (Supermicro proprietary tool). This article focuses on using IPMICFG. A CLI-based, command-line utility, IPMICFG can be executed on DOS, Windows, and Linux. It provides both standard IPMI and Supermicro […]

Resetting the Root Password of RHEL-7 / systemd

Environment Red Hat Enterprise Linux 7. Issue How to reset the root password of a RHEL-7 / systemd ? RHEL-7 ask for a root password even after booting in Single user mode. Not able to change the root password in single user mode Resolution 1) Boot your system and wait until the GRUB2 menu appears. […]

How to create the yum repository on RHEL 7

How to create the yum repository on RHEL 7 ? There is no much difference in package management  in  RHEL 7 when we compared to RHEL 6 . We can set up the yum repository using the DVD or you can dump the DVD contents to the filesystem and set-up it. Later on , you can make that […]

RHEL 7: gain access to VM during boot process

*possible uses would be to reset root password or if selinux results in freezing and cannot boot at the GRUB 2 menu type e to edit at the kernel line (starting with linux16) add the following statements at the end rd.break enforcing=0 or rd.break selinux=0 note: rd.break asks for break at early stage of booting, […]

Categories

Best Buy Co, Inc.
Best Buy Co, Inc.
Best Buy Co, Inc.