Linux & UNIX Administration
mobi |eng | 2015-06-14 | Author:Craig Sebenik and Thomas Hatch

[vagrant@master ~]$ cat /srv/salt/file/base/jinja/list_item.sls {% set list1 = ['one', 'two', 'three'] %} jinja_list_item: cmd.run: - name: echo "List item 2 is {{ list1[2] }}" [vagrant@master ~]$ sudo salt master.example state.show_sls ...
( Category: Linux & UNIX Administration April 1,2019 )
epub |eng | 2015-10-18 | Author:Benjamin Cane [Cane, Benjamin]

It seems, in fact, that the same error is showing yet again; now to figure out why. Troubleshooting from historic issues The first instinct for a Data Collector would be ...
( Category: Networking & System Administration May 17,2016 )
epub |eng | 2015-03-02 | Author:Michael W Lucas [Lucas, Michael W]

include Tarsnap defaults to letting you back up the entire system. The presence of an include option in tarsnap.conf reverses that default, so that you can only back up explicitly ...
( Category: Networking & System Administration May 13,2016 )
mobi, azw3, epub |eng | 2013-09-25 | Author:Joseph Muniz

Chapter 5 Select View Cookie Information, and you will see stored cookies. You can click on Edit Cookie to bring up the cookie editor and replace the current cookie with ...
( Category: Testing April 11,2016 )
epub |eng | 2016-04-05 | Author:Betsy Beyer, Chris Jones, Jennifer Petoff & Niall Richard Murphy

1 For example, see Doorman, which provides a cooperative distributed client-side throttling system. Chapter 22. Addressing Cascading Failures Written by Mike Ulrich If at first you don’t succeed, back off ...
( Category: Testing April 8,2016 )
epub, azw3, mobi |eng | 2016-01-28 | Author:Bhaskarjyoti Roy [Roy, Bhaskarjyoti]

Before moving on the next step, we need to set up our Nagios administrator user and password to access the web interface: $ sudo htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin Then, we ...
( Category: Networking & System Administration March 31,2016 )
epub, mobi |eng | 2016-01-29 | Author:Gabriel Canepa [Canepa, Gabriel]

You can verify that ELRepo has been added to your configured repositories with the following command:yum repolist | grep elrepo The output should be similar to the one shown in ...
( Category: Networking & System Administration March 31,2016 )
mobi, azw3, epub, pdf |eng | 2016-01-27 | Author:Allan Espinosa

First, insert the following lines in /etc/collectd/collectd.conf:LoadPlugin "cgroups" <Plugin cgroups> CGroup "/^docker.*.scope/" </Plugin> Next, restart collectd by typing the following command: dockerhost$ systemctl restart collectd.service Finally, wait for a few ...
( Category: Networking & System Administration March 31,2016 )
mobi, azw3, epub, pdf |eng | 2016-02-04 | Author:Jason Cannon

Packet Sniffing Sometimes it's not enough to know that network connectivity is in place. Sometimes you need to examine the contents of the network traffic to ensure payloads are actually ...
( Category: Networking & System Administration March 31,2016 )
epub, azw3 |eng | 2015-12-22 | Author:William Leemans [Leemans, William]

This AVC denial shows that the httpd daemon attempted to listen (name_bind) on port 82 but was prohibited by SELinux. Troubleshooting SELinux Troubleshooting SELinux is not as straightforward as it ...
( Category: Networking & System Administration January 9,2016 )
epub, mobi, pdf |eng | 2014-04-16 | Author:Jason Cannon [Cannon, Jason]

3340 $ sudo dmidecode --type memory Size: No Module Installed Size: 4096 MB Size: No Module Installed Size: 4096 MB $ sudo dmidecode --type memory | grep 'Size:' | awk ...
( Category: Networking & System Administration March 4,2015 )
azw3 |eng | 2011-12-15 | Author:Vivek Ramachandran

In the next exercise, we will look at how to crack a WPA PSK wireless network. The exact same steps will be involved in cracking a WPA2-PSK network using CCMP(AES) ...
( Category: Linux & UNIX Administration December 4,2014 )
epub |eng | 2011-06-16 | Author:James Loope [Loope, James]

file { '/etc/ntp.conf': mode => '640', owner => root, group => root, source => "puppet:///modules/apps/ntp/ntp.conf", require => Package[ntp], } service { "ntp": ensure => running, enable => true, pattern => ...
( Category: Windows Administration November 11,2014 )
epub |eng | 2012-02-01 | Author:Wale Soyinka

Figure 13-1. Using SNAT on a connection Alas, this raises a small problem3. The server is going to send back some packets—but how does the NAT device know which packet ...
( Category: LDAP August 24,2014 )
epub |eng | 2013-01-14 | Author:Sander van Vugt

Managing Linux Users and Groups in LDAP In this section, you'll learn how to manage Linux user and group accounts in an LDAP Directory. You'll learn how to add users ...
( Category: Networks March 26,2014 )

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