143 modprobe nbd max_part=8
144 qemu-nbd -c /dev/nbd0 CentOS---6.6-64bit---2015-01-29-a.qcow2
146 df -h
148 qemu-nbd -c /dev/nbd0 centos7_s2n1.img
149 mkdir -p -m 777 /dev/nbd0
150 qemu-nbd -c /dev/nbd0 centos7_s2n1.img
151 ll /dev
152 rm -rf /dev/nbd0
153 qemu-nbd -c /dev/nbd0 centos7_s2n1.img
154 qemu-nbd
155 qemu-nbd --help
157 touch s1
159 qemu-nbd -c ./s1 centos7_s2n1.img
161 rm -rf s1
162 virsh list --all
164 qemu-img info centos7_s2n1.img
165 qemu-img info centos7_s2n2.img
166 virsh edit centos7_s2n1
168 qemu-img info centos7_s2n1-vdb.raw
169 locate qemu-
170 qemu-img info centos7_s2n1-vdb.raw|grep bin
171 locate qemu-|grep bin
172 /usr/bin/qemu-img --help
174 cd /dev/
176 cd -
178 qemu-img map s1 centos7_s2n1.img
179 touch s1
180 qemu-img map s1 centos7_s2n1.img
181 ll
182 qemu-img map --help
183 ll
184 ll s1
185 cat s1
186 mkdir -m 777 s1p
187 mount s1 ./s1p
188 ll
189 fdisk centos7_s2n1.img
190 fdisk -l centos7_s2n1.img
191 fdisk centos7_s2n1.img
192 ll
193 history|grep qemu-nbd
194 qemu-nbd -c /dev/nbd0 centos7_s2n1-vdb.raw
195 qemu-nbd -c s1 centos7_s2n1-vdb.raw
196 mkdir -p -m 777 /dev/nbd0
197 qemu-nbd -c /dev/nbd0 centos7_s2n1-vdb.raw
198 fdisk -lu centos7_s2n1.img
199 fdisk -lu centos7_s2n1-vdb.raw
200 mount -o loop,offset=1768 centos7_s2n1-vdb.raw /data/kvm/s1p/
201 dmesg|tail
202 ll
203 cd s1p/
204 ll
205 cd ..
206 ll
207 rm -rf s1p s1
208 ll
209 losetup -f /dev/loop0
210 ll
211 qemu-img convert -f raw -O qcow2 centos7_s2n1-vdb.raw centos7_s2n1-vdb.raw.qcow2
212 ll
213 qemu-nbd -c /dev/nbd0 /data/kvm/centos7_s2n1-vdb.raw.qcow2
214 ll
215 ll /dev/nbd0
216 rm -rf
217 ll
218 rm -rf /dev/nbd0
219 qemu-nbd -c /dev/nbd0 /data/kvm/centos7_s2n1-vdb.raw.qcow2
220 qemu-nbd --help
221 qemu-nbd -c /data/kvm/centos7_s2n1-vdb.raw.qcow2 /dev/ndb0
222 mkdir -m 777 /dev/ndb0
223 qemu-nbd -c /data/kvm/centos7_s2n1-vdb.raw.qcow2 /dev/ndb0
224 ll /dev/ndb*
225 rm -rf /dev/ndb0
226 df -h
227 free -h
228 cd /data/kvm/
229 ll
230 df -h
231 ll -h
232 hg vir
233 history|grep virsh
234 virsh --help
235 vol-list
236 virsh vol-list
237 virsh list
238 virsh -c centos7_s2n1
239 virsh console centos7_s2n1
240 history|grep virsh
241 history|grep qemu
242 virsh vncdisplay (virsh list|head -2|tail -1|cut -f 2)
244 virsh list
245 virsh vncdisplay centos7_s2n1
246 vncviewer 127.0.0.1:0
247 apt-get
248 yum -y install vncviewer
249 virsh set-user-password centos7_s2n1 root vagrant
250 virt-edit centos7_s2n2 /etc/hosts
251 whereis virst-edit
252 whereis virt
253 whereis virt-edit
254 guestfish
255 virsh editvirsh edit
256 virsh edit centos7_s2n2 /etc/hosts
257 virsh edit centos7_s2n2
258 qemu-guest-agent
259 ll
260 qemu-nbd -c /dev/nbd0 /data/kvm/centos7_s2n1.img
261 ll /dev
262 qemu-nbd -c /dev/loop0 /data/kvm/centos7_s2n1.img
263 ll /dev/loop0*
264 df -h
265 qemu-nbd -c /dev/sda5 /data/kvm/centos7_s2n1.img
266 qemu-nbd --help
267 virsh list
268 virsh shutdown centos7_s2n1
269 virsh edit centos7_s2n1
270 virsh list
271 virsh edit centos7_s2n1
272 vi /usr/share/libvirt/schemas/domain.rng
273 virsh edit centos7_s2n1
274 yum install qemu-guest-agent
275 systemctl start qemu-guest-agent
276 journalctl -xe
277 virsh list
278 virsh start centos7_s2n1
279 systemctl start qemu-guest-agent
280 journalctl -xe
281 hostname
282 cat /etc/hosts
283 ping mexsvr2
284 systemctl stop firewalld
285 systemctl stop libvirtd
286 setenforce 0
287 systemctl start firewalld
288 systemctl start libvirtd
289 virsh list
290 systemctl start qemu-guest-agent
291 journalctl -xe
292 strace systemctl start qemu-guest-agent