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Changes for page proxmox

Last modified by Kevin Wiki on 2026/05/18 15:44
From version 8.3
edited by Kevin Wiki
on 2026/05/18 07:55
Change comment: There is no comment for this version
To version 11.2
edited by Kevin Wiki
on 2026/05/18 15:38
Change comment: There is no comment for this version

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138 138  
139 139  After creating the VM and before making it into a template there are some programs and settings we want to ensure exists always.
140 140  
141 -qemu-guest-agent is for
141 +(% id="cke_bm_721114S" style="display:none" %)** **(%%)**clear bash history** to not leave any configuration in history, clear and disable history file before proceeding:
142 142  
143 +**qemu-guest-agent** is for allowing proxmox to query information from the VM such as IP address, shutdown commands, etc
144 +
145 +{{code language="bash"}}
146 +sudo apt update
147 +sudo apt upgrade -y
148 +sudo apt install qemu-guest-agent -y
149 +
150 +sudo systemctl enable qemu-guest-agent.service
151 +sudo systemctl start qemu-guest-agent.service
152 +{{/code}}
153 +
154 +**reset machine-id** to not have overlapping ids from same template
155 +
156 +{{code language="bash"}}
157 +cat /dev/null > /etc/machine-id
158 +cat /dev/null > /var/lib/dbus/machine-id
159 +{{/code}}
160 +
161 +**cloud-init** is a great hook for installing or configuring programs or receiving variables from cloudinit CDROM drive. Making it easier to change IP, hostname, DNS, username/password, etc between VMs
162 +
163 +{{code language="bash"}}
164 +cloud-init clean
165 +{{/code}}
166 +
167 +This is a debian example of what we are looking for:
168 +
169 +{{code language="yaml"}}
170 +# The top level settings are used as module
171 +# and system configuration.
172 +# A set of users which may be applied and/or used by various modules
173 +# when a 'default' entry is found it will reference the 'default_user'
174 +# from the distro configuration specified below
175 +
176 +# If this is set, 'root' will not be able to ssh in and they
177 +# will get a message to login instead as the default $user
178 +disable_root: true
179 +
180 +# This will cause the set+update hostname module to not operate (if true)
181 +preserve_hostname: false
182 +
183 +apt:
184 + # This prevents cloud-init from rewriting apt's sources.list file,
185 + # which has been a source of surprise.
186 + preserve_sources_list: true
187 +
188 +# manually managed resolv
189 +manage_resolv_conf: false
190 +
191 +package_update: true
192 +packages:
193 + - qemu-guest-agent
194 +
195 +# The modules that run in the 'init' stage
196 +cloud_init_modules:
197 + - seed_random
198 + - bootcmd
199 + - write-files
200 + - growpart
201 + - resizefs
202 + - disk_setup
203 + - mounts
204 + - set_hostname
205 + - update_hostname
206 + - update_etc_hosts
207 + - ca-certs
208 + - rsyslog
209 + - users-groups
210 + - ssh
211 +
212 +# The modules that run in the 'config' stage
213 +cloud_config_modules:
214 + - keyboard
215 + - locale
216 + - set-passwords
217 + - grub-dpkg
218 + - apt-pipelining
219 + - apt-configure
220 + - ntp
221 + - timezone
222 + - disable-ec2-metadata
223 + - runcmd
224 +
225 +# The modules that run in the 'final' stage
226 +cloud_final_modules:
227 + - package-update-upgrade-install
228 + - write-files-deferred
229 + - scripts-vendor
230 + - scripts-per-once
231 + - scripts-per-boot
232 + - scripts-per-instance
233 + - scripts-user
234 + - ssh-authkey-fingerprints
235 +# - keys-to-console
236 + - install-hotplug
237 +# - phone-home
238 + - final-message
239 + - power-state-change
240 +
241 +runcmd:
242 + - systemctl enable qemu-guest-agent.service
243 +
244 +# System and/or distro specific settings
245 +# (not accessible to handlers/transforms)
246 +system_info:
247 + # This will affect which distro class gets used
248 + distro: debian
249 + # Other config here will be given to the distro class and/or path classes
250 + paths:
251 + cloud_dir: /var/lib/cloud/
252 + templates_dir: /etc/cloud/templates/
253 + package_mirrors:
254 + - arches: [default]
255 + failsafe:
256 + primary: https://deb.debian.org/debian
257 + security: https://deb.debian.org/debian-security
258 + ssh_svcname: ssh
259 +{{/code}}
260 +
261 +
262 +
263 +
264 +
143 143  
144 144  )))
145 145  
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