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[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
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[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>
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end