Category: Linux Administration

How do I Download & Install the vSphere Client?

How do I Download & Install the vSphere Client
The vSphere Client is a Windows program that you can use to configure the host and to operate its virtual machines. You can download vSphere Client from any host.
Prerequisites

  • You must have the URL of the host, which is the IP address or host name.
  • The system must have a network connection.

Procedure

  • From a Windows machine, open a Web browser.
  • Enter the URL or IP address for the host. http://192.168.0.223
  • Click Download the vSphere Client under Getting Started.
  • Click Save to download the vSphere Client installer.
  • Install the vSphere Client.

How to log into an ESXi host:

    • From a Windows machine, open the VMware vShpere Client.
    • Enter IP address of the ESXi host: 192.168.0.223, username and password

Remove a Printer from Linux

Remove the printer’s entry from the UV spooler configuration file using a text editor (e.g. vim)

vim /usr/spool/uv/sp.config

Refresh the UniVerse spooler to re-read the configuration file:

usa -R

Remove the UniVerse driver file (e.g. lp15, replace lp15 with the appropriate print queue number):

rm /var/spool/uv/lp15.dvr
or
rm /usr/spool/uv/lp15.dvr

Remove the printer’s entry in the /etc/hosts file using a text editor (e.g. vim):

vim /etc/hosts

Remove the CUPS queue (e.g. lp15, replace lp15 with the appropriate print queue number):

lpadmin -x lp15

How do I monitor process I/O using iotop?

iotop is a utility for Linux that operates in a similar manner to the top utility, but it displays the I/O activity of each process.

Installation

First, you must enable the EPEL software repository:

For servers running RHEL 5:

rpm -Uvh http://dl.fedoraproject.org/pub/epel/5/i386/epel-release-5-4.noarch.rpm

For servers running RHEL 6:

rpm -Uvh http://dl.fedoraproject.org/pub/epel/6/i386/epel-release-6-7.noarch.rpm

To install iotop:

yum -y install iotop

Usage

To display only the processes currently performing I/O:

iotop -o

To display the manual:

man iotop

Resources

CrashPlan Troubleshooting on Linux

If you are experiencing trouble with CrashPlan, here are a few tips:

To restart the CrashPlan service:

service crashplan restart

To clear the CrashPlan service cache:

service crashplan stop
rm -rf /usr/local/crashplan/cache
service crashplan start

To increase the amount of memory allocated to the CrashPlan service:

vim /usr/local/crashplan/bin/run.conf
SRV_JAVA_OPTS="-Dfile.encoding=UTF-8 -Dapp=CrashPlanService -DappBaseName=CrashPlan -Xms20m -Xmx4096m -Dsun.net.inetaddr.ttl=300 -Dnetworkaddress.cache.ttl=300 -Dsun.net.inetaddr.negative.ttl=0 -Dnetworkaddress.cache.negative.ttl=0"