s
[root@euler share]# rpm -qa | grep openssh # 查看ssh openssh-8.8p1-21.oe2203sp2.x86_64 openssh-server-8.8p1-21.oe2203sp2.x86_64 openssh-clients-8.8p1-21.oe2203sp2.x86_64 openssh-askpass-8.8p1-21.oe2203sp2.x86_64 [root@euler share]# pgrep -l sshd # 检索正在运行的进程 1625 sshd [root@euler share]# ps -elf | grep sshd # 查看ssh进程 4 S root 1625 1 0 80 0 - 3473 do_sel 08:24 ? 00:00:00 sshd: /usr/sbin/sshd -D [listener] 0 of 10-100 startups 0 S root 43407 28302 0 80 0 - 5494 pipe_r 16:23 pts/7 00:00:00 grep --color=auto sshd
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[root@euler bin]# ll /usr/local/bin/ # 查看euler默认环境配置 总用量 30760 -rwxr-xr-x. 1 root root 64984 6月 29 01:23 blur_image -rwxr-xr-x 1 root root 2322376 3月 18 2021 crashpad_handler -rwxr-xr-x 1 root root 29108416 3月 18 2021 qq
-
[root@lindows ~]# /usr/local/bin/vm # 定制化环境命令
vm {clone|remove|setip|completion} vm_name
[root@lindows ~]# more /usr/local/bin/vm # 定制化脚本变量vm
#!/bin/bash
export LANG=C
. /etc/init.d/functions
CONF_DIR=/etc/libvirt/qemu
IMG_DIR=/var/lib/libvirt/images
function clone_vm(){
local clone_IMG=${IMG_DIR}/${1};shift
local clone_XML=${IMG_DIR}/${1};shift
while ((${#} > 0));do
if [ -e ${IMG_DIR}/${1}.img ];then
echo_warning
echo "vm ${1}.img is exists"
return 1
else
sudo -u qemu qemu-img create -b ${clone_IMG} -F qcow2 -f qcow2 ${IMG_DIR}/${1}.img 20G >/dev/null
sed -e "s,node_base,${1}," ${clone_XML} |sudo tee ${CONF_DIR}/${1}.xml >/dev/null
sudo virsh define ${CONF_DIR}/${1}.xml &>/dev/null
msg=$(sudo virsh start ${1})
echo_success
echo ${msg}
fi
shift
done
}
function remove_vm(){
if $(sudo virsh list --all --name|grep -Pq "^${1}$");then
img=$(sudo virsh domblklist $1 2>/dev/null |grep -Po "/var/lib/libvirt/images/.*")
sudo virsh destroy $1 &>/dev/null
sudo virsh undefine $1 &>/dev/null
sudo rm -f ${img}
echo_success
echo "vm ${1} delete"
fi
}
function vm_setIP(){
EXEC="sudo virsh qemu-agent-command $1"
until $(${EXEC} '{"execute":"guest-ping"}' &>/dev/null);do sleep 1;done
file_id=$(${EXEC} '{"execute":"guest-file-open",
"arguments":{"path":"/etc/sysconfig/network-scripts/ifcfg-eth0","mode":"w"}}' |\
python3 -c 'import json;print(json.loads(input())["return"])')
body=$"# Generated by dracut initrd\nDEVICE=\"eth0\"\nONBOOT=\"yes\"\nNM_CONTROLLED=\"yes\"\nTYPE=\"Ethernet\"\nBOOTPROTO=\"static\"\nIPADDR=\"${2}\"\nPREFIX=24\nGATEWAY=\"${2%.*}.254\"\nDNS1=\"${2%.*}.254\""
base64_body=$(echo -e "${body}"|base64 -w 0)
${EXEC} "{\"execute\":\"guest-file-write\",
\"arguments\":{\"handle\":${file_id},\"buf-b64\":\"${base64_body}\"}}" &>/dev/null
${EXEC} "{\"execute\":\"guest-file-close\",\"arguments\":{\"handle\":${file_id}}}" &>/dev/null
sudo virsh reboot ${1} &>/dev/null
}
function vm_completion(){
cat <<"EOF"
__start_vm()
{
COMPREPLY=()
local cur
cur="${COMP_WORDS[COMP_CWORD]}"
if [[ "${COMP_WORDS[0]}" == "vm" ]] && [[ ${#COMP_WORDS[@]} -eq 2 ]];then
COMPREPLY=($(compgen -W "clone remove setip" ${cur}))
fi
if [[ "${COMP_WORDS[1]}" == "remove" ]] && [[ ${#COMP_WORDS[@]} -gt 2 ]];then
COMPREPLY=($(compgen -W "$(sudo virsh list --name --all)" ${cur}))
fi
if [[ "${COMP_WORDS[1]}" == "setip" ]] && [[ ${#COMP_WORDS[@]} -eq 3 ]];then
COMPREPLY=($(compgen -W "$(sudo virsh list --name)" ${cur}))
fi
}
if [[ $(type -t compopt) = "builtin" ]]; then
complete -o default -F __start_vm vm
else
complete -o default -o nospace -F __start_vm vm
fi
EOF
}
# main
case "$1" in
clone)
shift
_img=".Rocky.qcow2"
_xml=".node_base.xml"
clone_vm ${_img} ${_xml} ${@}
;;
remove)
while ((${#} > 1));do
shift
remove_vm ${1}
done
;;
setip)
if (( ${#} == 3 )) && $(sudo virsh list --all --name|grep -Pq "^${2}$");then
domid=$(sudo virsh domid $2)
if [[ ${domid} != "-" ]] && $(grep -Pq "^((25[0-5]|2[0-4]\d|1?\d?\d)\.){3}(25[0-5]|2[0-4]\d|1?\d?\d)$" <<<"${3}");then
vm_setIP "${2}" "$3"
fi
else
echo "${0##*/} setip vm_name ip.xx.xx.xx"
fi
;;
completion)
vm_completion
;;
*)
echo "${0##*/} {clone|remove|setip|completion} vm_name"
;;
esac
exit $?
- [root@lindows ~]# more /etc/libvirt/qemu/networks/private1.xml # 查看private1.xml网络配置
<!--
WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE
OVERWRITTEN AND LOST. Changes to this xml configuration should be made using:
virsh net-edit private1
or other application using the libvirt API.
-->
<network>
<name>private1</name>
<uuid>668f46ac-4153-4c0c-8bab-87a0fbd6a930</uuid>
<forward mode='nat'/>
<bridge name='private1' stp='on' delay='0'/>
<mac address='52:54:00:1f:13:8c'/>
<domain name='localhost' localOnly='no'/>
<ip address='192.168.88.254' netmask='255.255.255.0'>
<dhcp>
<range start='192.168.88.128' end='192.168.88.200'/>
</dhcp>
</ip>
</network>
- [root@lindows ~]# more /etc/libvirt/qemu/networks/private2.xml # 查看private2.xml网络配置
<!--
WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE
OVERWRITTEN AND LOST. Changes to this xml configuration should be made using:
virsh net-edit private2
or other application using the libvirt API.
-->
<network>
<name>private2</name>
<uuid>3bbe6f7c-f07a-4fe5-a062-f23954864614</uuid>
<bridge name='private2' stp='on' delay='0'/>
<mac address='52:54:00:c9:a6:0a'/>
<ip address='192.168.99.254' netmask='255.255.255.0'>
<dhcp>
<range start='192.168.99.128' end='192.168.99.200'/>
</dhcp>
</ip>
</network>
-
end
标签：web,sudo,network,kvm,vm,dev,virsh,null,root From： https://www.cnblogs.com/lindows/p/17696555.html