进程命令不完整-我们可以使用这个命令进行补全

用ps -ef 命令并不能完整显示进程命令

ps 参数项
-e 显示所有进程。
-f 全格式。
-h 不显示标题。
-l 长格式。
-w 宽输出。
-a 显示终端上的所有进程，包括其他用户的进程。
-r 只显示正在运行的进程。
-u 　以用户为主的格式来显示程序状况。
-x 显示所有程序，不以终端机来区分。

有时候我们经常需要查看某些进程，但是进程启动命令显示不完整情况，我们就可以使用ps -efww命令
例如： [root@fpNet-VMDB-19 config]# ps -efww 

[root@ht24 ~]# ps -efww | more
UID         PID   PPID  C STIME TTY          TIME CMD
root          1      0  0 Feb22 ?        00:00:59 /usr/lib/systemd/systemd --switched-root --system --deserialize 22
root          2      0  0 Feb22 ?        00:00:00 [kthreadd]
root          4      2  0 Feb22 ?        00:00:00 [kworker/0:0H]
root          6      2  0 Feb22 ?        00:00:19 [ksoftirqd/0]
root          7      2  0 Feb22 ?        00:00:00 [migration/0]
root          8      2  0 Feb22 ?        00:00:00 [rcu_bh]
root          9      2  0 Feb22 ?        00:04:23 [rcu_sched]
root         10      2  0 Feb22 ?        00:00:00 [lru-add-drain]
root         11      2  0 Feb22 ?        00:00:00 [watchdog/0]
root         12      2  0 Feb22 ?        00:00:00 [watchdog/1]
root         13      2  0 Feb22 ?        00:00:02 [migration/1]
....

解释：
UID      ：程序被该 UID 所拥有
PID      ：就是这个程序的 ID 
PPID     ：则是其上级父程序的ID
C        ：CPU使用的资源百分比
STIME    ：系统启动时间
TTY     ：登入者的终端机位置
TIME    ：使用掉的CPU时间。
CMD     ：完整启动命令 

顺便写一些进程相关的命令

查看进程id

[root@fpvm-DBServer61 storage]# ps -ef | grep docker
root 59460 1 0 00:40 ? 00:03:14 /usr/bin/dockerd --data-root /mnt/docker/storage
root 59472 59460 0 00:40 ? 00:02:24 docker-containerd --config /var/run/docker/containerd/containerd.toml
root 60756 59363 0 22:24 pts/1 00:00:00 grep --color=auto docker

[root@fpvm-DBServer61 storage]# pgrep docker
59460
59472

#使用-l选项可以列出PID和进程名称

[root@fpvm-DBServer61 storage]# pgrep docker -l
59460 dockerd
59472 docker-containe

[root@fp-web-118 containerd]# pgrep -lo mysql
75958 mysqld_safe

pgrep显示给定用户正在运行的进程

[root@fpvm-DBServer61 storage]# pgrep -u root -l | head -10
1 systemd
2 kthreadd
3 ksoftirqd/0
5 kworker/0:0H
7 migration/0
8 rcu_bh
9 rcuob/0
10 rcuob/1
11 rcuob/2
12 rcuob/3
[root@fp-web-118 containerd]# pgrep -u mysql -l | head -10
76174 mysqld
87124 mysqld

 

 

启动的进程数量

[root@fp-web-118 containerd]# pgrep -u mysql -l -c
2

[root@fp-web-118 containerd]# pgrep -c mysql
3

 

进程树、父子相互关系

[root@fp-web-118 containerd]# pstree
systemd─┬─ManagementAgent───6*[{ManagementAgent}]
├─NetworkManager─┬─2*[dhclient]
│ └─2*[{NetworkManager}]
├─VGAuthService
├─abrt-watch-log
├─abrtd
├─agetty
├─anacron───run-parts─┬─awk
│ └─mlocate───updatedb
├─atd
├─auditd───{auditd}
├─crond
├─dbus-daemon
├─gssproxy───5*[{gssproxy}]
├─irqbalance
├─lsmd
├─lvmetad
├─mysqld_safe───mysqld───21*[{mysqld}]
├─ntpd
├─polkitd───5*[{polkitd}]
├─rngd
├─rsyslogd───2*[{rsyslogd}]
├─sh───mysqld───21*[{mysqld}]
├─smartd
├─sshd─┬─sshd───bash───pstree
│ └─sshd───bash
├─systemd-journal
├─systemd-logind
├─systemd-udevd
├─tuned───4*[{tuned}]
├─vmtoolsd───{vmtoolsd}
├─wpa_supplicant
└─zabbix_agentd───5*[zabbix_agentd]

 

列出前10个

[root@fp-web-118 containerd]# ps aux | head -10
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.0 0.0 191136 3408 ? Ss 2021 18:12 /usr/lib/systemd/systemd --switched-root --system --deserialize 21
root 2 0.0 0.0 0 0 ? S 2021 0:18 [kthreadd]
root 3 0.0 0.0 0 0 ? S 2021 0:49 [ksoftirqd/0]
root 7 0.0 0.0 0 0 ? S 2021 1:53 [migration/0]
root 8 0.0 0.0 0 0 ? S 2021 0:00 [rcu_bh]
root 9 0.0 0.0 0 0 ? S 2021 0:00 [rcuob/0]
root 10 0.0 0.0 0 0 ? S 2021 0:00 [rcuob/1]
root 11 0.0 0.0 0 0 ? S 2021 0:00 [rcuob/2]
root 12 0.0 0.0 0 0 ? S 2021 0:00 [rcuob/3]

###列出所有的网络链接

[root@fp-web-118 containerd]# lsof -i
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
dhclient 1072 root 6u IPv4 27559 0t0 UDP *:bootpc 
dhclient 1072 root 20u IPv4 27998 0t0 UDP *:51826 
dhclient 1072 root 21u IPv6 27999 0t0 UDP *:7344 
dhclient 1077 root 6u IPv4 24144 0t0 UDP *:bootpc 
dhclient 1077 root 20u IPv4 24125 0t0 UDP *:15599 
dhclient 1077 root 21u IPv6 24126 0t0 UDP *:51826 
sshd 1464 root 3u IPv4 13109 0t0 TCP *:ssh (LISTEN)
sshd 1464 root 4u IPv6 13111 0t0 TCP *:ssh (LISTEN)
ntpd 1497 ntp 16u IPv4 31781 0t0 UDP *:ntp 
ntpd 1497 ntp 17u IPv6 31782 0t0 UDP *:ntp 
ntpd 1497 ntp 18u IPv4 31787 0t0 UDP localhost:ntp 
ntpd 1497 ntp 19u IPv4 31788 0t0 UDP fp-web-118:ntp 
ntpd 1497 ntp 20u IPv4 31789 0t0 UDP fp-web-118:ntp 
ntpd 1497 ntp 22u IPv4 30254 0t0 UDP fp-web-118:ntp 
ntpd 1497 ntp 23u IPv4 61462 0t0 UDP fp-web-118:ntp 
zabbix_ag 1503 zabbix 4u IPv4 11934 0t0 TCP *:zabbix-agent (LISTEN)
zabbix_ag 1503 zabbix 5u IPv6 11935 0t0 TCP *:zabbix-agent (LISTEN)
zabbix_ag 1524 zabbix 4u IPv4 11934 0t0 TCP *:zabbix-agent (LISTEN)
zabbix_ag 1524 zabbix 5u IPv6 11935 0t0 TCP *:zabbix-agent (LISTEN)
zabbix_ag 1525 zabbix 4u IPv4 11934 0t0 TCP *:zabbix-agent (LISTEN)
zabbix_ag 1525 zabbix 5u IPv6 11935 0t0 TCP *:zabbix-agent (LISTEN)
zabbix_ag 1526 zabbix 4u IPv4 11934 0t0 TCP *:zabbix-agent (LISTEN)
zabbix_ag 1526 zabbix 5u IPv6 11935 0t0 TCP *:zabbix-agent (LISTEN)
zabbix_ag 1527 zabbix 4u IPv4 11934 0t0 TCP *:zabbix-agent (LISTEN)
zabbix_ag 1527 zabbix 5u IPv6 11935 0t0 TCP *:zabbix-agent (LISTEN)
zabbix_ag 1528 zabbix 4u IPv4 11934 0t0 TCP *:zabbix-agent (LISTEN)
zabbix_ag 1528 zabbix 5u IPv6 11935 0t0 TCP *:zabbix-agent (LISTEN)
sshd 15178 root 3u IPv4 302238034 0t0 TCP fp-web-118:ssh->10.129.52.254:24631 (ESTABLISHED)
sshd 17560 root 3u IPv4 302279346 0t0 TCP fp-web-118:ssh->10.129.52.254:24778 (ESTABLISHED)
mysqld 76174 mysql 10u IPv6 298995935 0t0 TCP *:mysql (LISTEN)
mysqld 87124 mysql 10u IPv6 299084205 0t0 TCP *:opsession-prxy (LISTEN)
[root@fp-web-118 containerd]# pgrep mysql
75958
76174
87124

 

##列出谁在使用某个端口

[root@fp-web-118 containerd]# lsof -i :3306
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
mysqld 76174 mysql 10u IPv6 298995935 0t0 TCP *:mysql (LISTEN)

 

##根据文件描述范围列出文件信息

[root@fpvm-DBServer61 storage]# lsof -d 2-3
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
systemd 1 root 2u CHR 1,3 0t0 1028 /dev/null
systemd 1 root 3u a_inode 0,9 0 7845 [timerfd]
systemd-j 776 root 2w CHR 1,3 0t0 1028 /dev/null
systemd-j 776 root 3u unix 0xffff8804230f8f00 0t0 13338 /run/systemd/journal/stdout
lvmetad 786 root 2u unix 0xffff88042693d640 0t0 19607 socket
lvmetad 786 root 3u unix 0xffff88042315a940 0t0 18471 /run/lvm/lvmetad.socket
systemd-u 800 root 2u unix 0xffff88042693cb00 0t0 19782 socket
systemd-u 800 root 3u unix 0xffff88042315a580 0t0 10916 /run/udev/control
auditd 954 root 2u CHR 1,3 0t0 1028 /dev/null
auditd 954 root 3u netlink 0t0 22813 AUDIT
smartd 978 root 2u CHR 1,3 0t0 1028 /dev/null
rsyslogd 980 root 2w CHR 1,3 0t0 1028 /dev/null
rsyslogd 980 root 3w REG 253,0 134444 1542 /var/log/cron
irqbalanc 982 root 2u unix 0xffff8804230fe540 0t0 23749 socket
irqbalanc 982 root 3r REG 0,3 0 4026532021 /proc/cmdline
NetworkMa 983 root 2u unix 0xffff8804230fecc0 0t0 23793 socket
NetworkMa 983 root 3u a_inode 0,9 0 7845 [eventfd]
dbus-daem 984 dbus 2u unix 0xffff8804230ff440 0t0 23837 socket
dbus-daem 984 dbus 3u unix 0xffff8800368e7440 0t0 12043 /var/run/dbus/system_bus_socket
ntpd 988 ntp 2u CHR 1,3 0t0 1028 /dev/null
ntpd 988 ntp 3u unix 0xffff88042315cb00 0t0 18848 socket
lsmd 1026 libstoragemgmt 2u unix 0xffff8804236f0000 0t0 23164 socket
abrtd 1027 root 2u CHR 1,3 0t0 1028 /dev/null
abrtd 1027 root 3r FIFO 0,8 0t0 22308 pipe
abrt-watc 1028 root 2u unix 0xffff8804236f2d00 0t0 23254 socket
abrt-watc 1028 root 3r a_inode 0,9 0 7845 inotify
rngd 1031 root 2u unix 0xffff8800368e7800 0t0 12187 socket
rngd 1031 root 3u CHR 1,8 0t0 1032 /dev/random
systemd-l 1036 root 2u unix 0xffff8804236f3fc0 0t0 23343 socket
systemd-l 1036 root 3u unix 0xffff8804237b2940 0t0 22100 socket
atd 1045 root 2u CHR 1,3 0t0 1028 /dev/null
atd 1045 root 3uW REG 0,19 5 18859 /run/atd.pid
crond 1046 root 2u unix 0xffff8804236f5640 0t0 23496 socket
crond 1046 root 3uW REG 0,19 5 22143 /run/crond.pid
agetty 1054 root 2u CHR 4,1 0t0 1043 /dev/tty1
wpa_suppl 1057 root 2u unix 0xffff8804236f7440 0t0 26728 socket
wpa_suppl 1057 root 3w REG 253,0 400 1539 /var/log/wpa_supplicant.log
polkitd 1058 polkitd 2u CHR 1,3 0t0 1028 /dev/null
polkitd 1058 polkitd 3r a_inode 0,9 0 7845 inotify
dhclient 1059 root 2w CHR 1,3 0t0 1028 /dev/null
dhclient 1059 root 3u unix 0xffff880423135640 0t0 26549 socket
vmtoolsd 1166 root 2w CHR 1,3 0t0 1028 /dev/null
vmtoolsd 1166 root 3w REG 253,0 13202 46248 /var/log/vmware-vmsvc.log
VGAuthSer 1206 root 2w REG 253,0 10795 46249 /var/log/vmware-vgauthsvc.log.0
VGAuthSer 1206 root 3w REG 253,0 10795 46249 /var/log/vmware-vgauthsvc.log.0
Managemen 1254 root 2w REG 253,0 0 403614323 /var/log/vmware-caf/pme/ma-log4cpp.log
Managemen 1254 root 3w REG 253,0 119285 403614324 /var/log/vmware-caf/pme/ma-log4cpp_rolling.log
tuned 1442 root 2u unix 0xffff8804237b3840 0t0 22437 socket
tuned 1442 root 3w REG 253,0 95632 183256530 /var/log/tuned/tuned.log
sshd 1451 root 2u unix 0xffff8804236f1e00 0t0 27204 socket
sshd 1451 root 3u IPv4 27848 0t0 TCP *:ssh (LISTEN)
sshd 58943 root 2u CHR 1,3 0t0 1028 /dev/null
sshd 58943 root 3u IPv4 41564986 0t0 TCP fpvm-DBServer61.cs1cloud.internal:ssh->10.129.55.19:48928 (ESTABLISHED)
bash 58945 root 2u CHR 136,0 0t0 3 /dev/pts/0
sshd 59361 root 2u CHR 1,3 0t0 1028 /dev/null
sshd 59361 root 3u IPv4 41565739 0t0 TCP fpvm-DBServer61.cs1cloud.internal:ssh->10.129.52.254:35662 (ESTABLISHED)
bash 59363 root 2u CHR 136,1 0t0 4 /dev/pts/1
dockerd 59460 root 2u unix 0xffff8804236f7bc0 0t0 41573885 socket
dockerd 59460 root 3r CHR 1,9 0t0 1033 /dev/urandom
docker-co 59472 root 2u unix 0xffff8804236f7bc0 0t0 41573885 socket
docker-co 59472 root 3r CHR 1,9 0t0 1033 /dev/urandom
lsof 60776 root 2u CHR 136,1 0t0 4 /dev/pts/1
lsof 60776 root 3r DIR 0,3 0 1 /proc

 

##列出进程树

[root@fp-web-118 containerd]# systemd-cgls
├─1 /usr/lib/systemd/systemd --switched-root --system --deserialize 21
├─user.slice
│ └─user-0.slice
│ ├─session-42927.scope
│ │ ├─17560 sshd: root@pts/2 
│ │ └─17562 -bash
│ ├─session-42924.scope
│ │ ├─ 15178 sshd: root@pts/0 
│ │ ├─ 15180 -bash
│ │ ├─124602 systemd-cgls
│ │ └─124603 less
│ ├─session-42403.scope
│ │ ├─86964 /bin/sh /usr/bin/mysqld_safe --defaults-file=/data/3307/my.cnf
│ │ └─87124 /usr/sbin/mysqld --defaults-file=/data/3307/my.cnf --basedir=/usr --datadir=/data/3307/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/data/3307/log/mysqld.l
│ └─session-36962.scope
│ ├─29716 /usr/sbin/anacron -s
│ ├─31589 /bin/bash /bin/run-parts /etc/cron.daily
│ ├─31630 /bin/sh /etc/cron.daily/mlocate
│ ├─31631 awk -v progname=/etc/cron.daily/mlocate progname { print progname ":\n" progname=""; } { print; }
│ └─31636 /usr/bin/updatedb -f sysfs bdev proc cgroup cpuset tmpfs devtmpfs debugfs securityfs sockfs pipefs anon_inodefs configfs devpts ramfs hugetlbfs autofs pstore mqueue rpc_pipefs n
└─system.slice
├─mysqld.service
│ ├─75958 /bin/sh /usr/bin/mysqld_safe --datadir=/var/lib/mysql --socket=/var/lib/mysql/mysql.sock --pid-file=/var/run/mysqld/mysqld.pid --basedir=/usr --user=mysql
│ └─76174 /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/var/log/mysqld.log --pid-file=/var/run/mysqld/mysqld.pid --
├─systemd-journald.service
│ └─73932 /usr/lib/systemd/systemd-journald
├─ntpd.service
│ └─1497 /usr/sbin/ntpd -u ntp:ntp -g
├─zabbix-agent.service
│ ├─1503 /usr/sbin/zabbix_agentd -c /etc/zabbix/zabbix_agentd.conf
│ ├─1524 /usr/sbin/zabbix_agentd: collector [idle 1 sec] 
│ ├─1525 /usr/sbin/zabbix_agentd: listener #1 [waiting for connection
│ ├─1526 /usr/sbin/zabbix_agentd: listener #2 [waiting for connection
│ ├─1527 /usr/sbin/zabbix_agentd: listener #3 [waiting for connection
│ └─1528 /usr/sbin/zabbix_agentd: active checks #1 [idle 1 sec] 
├─tuned.service
│ └─1467 /usr/bin/python -Es /usr/sbin/tuned -l -P
├─sshd.service
│ └─1464 /usr/sbin/sshd -D
├─polkit.service
│ └─1071 /usr/lib/polkit-1/polkitd --no-debug
├─wpa_supplicant.service
│ └─1070 /usr/sbin/wpa_supplicant -u -f /var/log/wpa_supplicant.log -c /etc/wpa_supplicant/wpa_supplicant.conf -u -f /var/log/wpa_supplicant.log -P /var/run/wpa_supplicant.pid
├─crond.service
│ └─1043 /usr/sbin/crond -n
├─atd.service
│ └─1042 /usr/sbin/atd -f
├─abrt-oops.service
│ └─1000 /usr/bin/abrt-watch-log -F BUG: WARNING: at WARNING: CPU: INFO: possible recursive locking detected ernel BUG at list_del corruption list_add corruption do_IRQ: stack overflow: ear
├─abrtd.service
│ └─998 /usr/sbin/abrtd -d -s
├─smartd.service
│ └─996 /usr/sbin/smartd -n -q never
├─irqbalance.service
│ └─995 /usr/sbin/irqbalance --foreground
├─gssproxy.service
│ └─1011 /usr/sbin/gssproxy -D
├─NetworkManager.service
│ ├─ 989 /usr/sbin/NetworkManager --no-daemon
│ ├─1072 /sbin/dhclient -d -q -sf /usr/libexec/nm-dhcp-helper -pf /var/run/dhclient-ens224.pid -lf /var/lib/NetworkManager/dhclient-df8b2972-d5b1-41f6-8e51-731c2ccdaee2-ens224.lease -cf /va
│ └─1077 /sbin/dhclient -d -q -sf /usr/libexec/nm-dhcp-helper -pf /var/run/dhclient-ens192.pid -lf /var/lib/NetworkManager/dhclient-2710cfcb-bad4-45b0-9935-16433b00dde3-ens192.lease -cf /va
├─libstoragemgmt.service
│ └─988 /usr/bin/lsmd -d
├─dbus.service
│ └─980 /bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation
├─rngd.service
│ └─979 /sbin/rngd -f
├─vmware-tools.service
│ ├─1177 /usr/sbin/vmtoolsd
│ ├─1223 /usr/lib/vmware-vgauth/VGAuthService -s
│ └─1275 //usr/lib/vmware-caf/pme/bin/ManagementAgentHost
├─systemd-logind.service
│ └─975 /usr/lib/systemd/systemd-logind
├─rsyslog.service
│ └─974 /usr/sbin/rsyslogd -n
├─auditd.service
│ └─952 /sbin/auditd
├─lvm2-lvmetad.service
│ └─804 /usr/sbin/lvmetad -f
├─systemd-udevd.service
│ └─793 /usr/lib/systemd/systemd-udevd
└─system-getty.slice
└─getty@tty1.service
└─1531 /sbin/agetty --noclear tty1 linux