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15%
Processing the new sudo logging format
26.03.2025
Home »  Archive  »  2025  »  Issue 86: Data...  » 
Photo by Kelly Sikkema on Unsplash
The Linux sudo command helps Linux administrators run specific programs in the context of another user, typically root. In this way, non-privileged users can run management programs on a system
15%
Warewulf Cluster Manager – Master and Compute Nodes
22.05.2012
Home »  HPC  »  Articles  » 
this as root because you’ll be installing packages. Listing 1: Installing the Development Tools [root@test1 ~]# yum groupinstall "Development tools" Loaded plugins: refresh-packagekit, security Setting up
15%
Setting up SELinux policies
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © Agustin Paz, 123RF.com
: Custom SELinux policy module 12 BuildRoot: %{_tmppath}/%{name}-%{version}-build 13 BuildArch: noarch 14 BuildRequires: checkpolicy, selinux-policy 15 Requires: selinux-policy-targeted 16
15%
Easy configuration management with Puppet
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Warangkana Bunyarittongchai, 123RF
=> Service['apache'] 17 } 18 19 file { '/var/www/index.html': 20 ensure => present, 21 source => 'puppet:///modules/myproject/web/index.html', 22 owner => 'root', 23 group => 'root', 24
15%
Gathering Data on Environment Modules
10.09.2012
Home »  HPC  »  Articles  » 
to logfiles, and it’s pretty simple to use: [laytonjb@test1 ~]$ logger "This is a test" ... [root@test1 ~]# tail -n 2 /var/log/messages Aug 22 15:54:47 test1 avahi-daemon[1398]: Invalid query packet. Aug 22 17
15%
The top three SSH tricks
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © Fotoflash,Fotolia.com
environment. The parameters to change are located in /etc/ssh/sshd_config. The first security change is to deny root user logins by finding the line PermitRootLogin Yes and changing the Yes to No. If you
15%
Backup and replicate VMs on VMware ESXi
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © urbanhearts, fotolia.com
want to back up is recommended. Then, use the following command chmod 0700 xsibackup* to unpack the archive and make it available to the root user only. Target Host and Schedules After preparing
15%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Daniela Mangiuca, 123RF.com
qemu_x86_defconfigmake menuconfig (build-option, Kernel-Version 3.2, gdb, tty1)makemake linux-menuconfig (debug info) make 3. Compile the module and copy it to the root directory:cd driverexport CROSS
15%
ZFS on Linux helps if the ZFS FUSE service refuses to work
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © Luis Louro, 123RF.com
-EY 09 config: 10 11 zroot ONLINE 12 ata-ST380215AS_9QZ68Z7S ONLINE Not Under Root Caution is advised here: Without specifying any options, the zpool
15%
Generate VM Images with virt-builder
15.04.2014
Home »  Articles  » 
 
, and systemd. Drawing on more tools from the libguestfs package, virt-builder modifies the template to suit the administrator’s needs – for example, setting the root password, configuring the network, and so on

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