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Changes for page proxmox

Last modified by Kevin Wiki on 2026/05/18 15:44
From version 8.6
edited by Kevin Wiki
on 2026/05/18 07:57
Change comment: There is no comment for this version
To version 11.5
edited by Kevin Wiki
on 2026/05/18 15:40
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 allowing proxmox to query information from the VM such as IP address, shutdown commands, etc
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  
143 143  {{code language="bash"}}
144 +unset HISTFILE
145 +export HISTSIZE=0
146 +export HISTFILESIZE=0
147 +
148 +sudo rm /.bash_history
149 +rm ~/.bash_history
150 +{{/code}}
151 +
152 +**qemu-guest-agent** is for allowing proxmox to query information from the VM such as IP address, shutdown commands, etc
153 +
154 +{{code language="bash"}}
144 144  sudo apt update
145 145  sudo apt upgrade -y
146 146  sudo apt install qemu-guest-agent -y
... ... @@ -149,6 +149,119 @@
149 149  sudo systemctl start qemu-guest-agent.service
150 150  {{/code}}
151 151  
163 +**reset machine-id** to not have overlapping ids from same template
164 +
165 +{{code language="bash"}}
166 +cat /dev/null > /etc/machine-id
167 +cat /dev/null > /var/lib/dbus/machine-id
168 +{{/code}}
169 +
170 +**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.
171 +
172 +If you used a cloud-init base image it will have run the default cloudinit which installs and configures a bunch of s
173 +
174 +{{code language="bash"}}
175 +cloud-init clean
176 +{{/code}}
177 +
178 +This is a debian example of what we are looking for:
179 +
180 +{{code language="yaml"}}
181 +# The top level settings are used as module
182 +# and system configuration.
183 +# A set of users which may be applied and/or used by various modules
184 +# when a 'default' entry is found it will reference the 'default_user'
185 +# from the distro configuration specified below
186 +
187 +# If this is set, 'root' will not be able to ssh in and they
188 +# will get a message to login instead as the default $user
189 +disable_root: true
190 +
191 +# This will cause the set+update hostname module to not operate (if true)
192 +preserve_hostname: false
193 +
194 +apt:
195 + # This prevents cloud-init from rewriting apt's sources.list file,
196 + # which has been a source of surprise.
197 + preserve_sources_list: true
198 +
199 +# manually managed resolv
200 +manage_resolv_conf: false
201 +
202 +package_update: true
203 +packages:
204 + - qemu-guest-agent
205 +
206 +# The modules that run in the 'init' stage
207 +cloud_init_modules:
208 + - seed_random
209 + - bootcmd
210 + - write-files
211 + - growpart
212 + - resizefs
213 + - disk_setup
214 + - mounts
215 + - set_hostname
216 + - update_hostname
217 + - update_etc_hosts
218 + - ca-certs
219 + - rsyslog
220 + - users-groups
221 + - ssh
222 +
223 +# The modules that run in the 'config' stage
224 +cloud_config_modules:
225 + - keyboard
226 + - locale
227 + - set-passwords
228 + - grub-dpkg
229 + - apt-pipelining
230 + - apt-configure
231 + - ntp
232 + - timezone
233 + - disable-ec2-metadata
234 + - runcmd
235 +
236 +# The modules that run in the 'final' stage
237 +cloud_final_modules:
238 + - package-update-upgrade-install
239 + - write-files-deferred
240 + - scripts-vendor
241 + - scripts-per-once
242 + - scripts-per-boot
243 + - scripts-per-instance
244 + - scripts-user
245 + - ssh-authkey-fingerprints
246 +# - keys-to-console
247 + - install-hotplug
248 +# - phone-home
249 + - final-message
250 + - power-state-change
251 +
252 +runcmd:
253 + - systemctl enable qemu-guest-agent.service
254 +
255 +# System and/or distro specific settings
256 +# (not accessible to handlers/transforms)
257 +system_info:
258 + # This will affect which distro class gets used
259 + distro: debian
260 + # Other config here will be given to the distro class and/or path classes
261 + paths:
262 + cloud_dir: /var/lib/cloud/
263 + templates_dir: /etc/cloud/templates/
264 + package_mirrors:
265 + - arches: [default]
266 + failsafe:
267 + primary: https://deb.debian.org/debian
268 + security: https://deb.debian.org/debian-security
269 + ssh_svcname: ssh
270 +{{/code}}
271 +
272 +
273 +
274 +
275 +
152 152  
153 153  )))
154 154  
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