ps -ef
[root@nginx ~]
systemctl status mariadb &> /dev/null
if [ $? -eq 0 ]; then
echo "mysql is running"
else
echo "警告: mysql服務不可用"
echo "重啓mysql服務: $(systemctl restart mariadb &> /dev/null)"
echo "mysql服務是否運行: $(ps -ef ) | grep mariadbd "
fi
[root@nginx ~]
[root@nginx ~]
警告: mysql服務不可用
重啓mysql服務:
mysql服務是否運行: UID PID PPID C STIME TTY TIME CMD
root 1 0 0 13:55 ? 00:00:01 /usr/lib/systemd/systemd --switched-root --system --deserialize 22
root 2 0 0 13:55 ? 00:00:00 [kthreadd]
root 4 2 0 13:55 ? 00:00:00 [kworker/0:0H]
root 6 2 0 13:55 ? 00:00:00 [ksoftirqd/0]
root 7 2 0 13:55 ? 00:00:00 [migration/0]
root 8 2 0 13:55 ? 00:00:00 [rcu_bh]
root 9 2 0 13:55 ? 00:00:00 [rcu_sched]
root 10 2 0 13:55 ? 00:00:00 [lru-add-drain]
root 11 2 0 13:55 ? 00:00:00 [watchdog/0]
root 13 2 0 13:55 ? 00:00:00 [kdevtmpfs]
root 14 2 0 13:55 ? 00:00:00 [netns]
root 15 2 0 13:55 ? 00:00:00 [khungtaskd]
root 16 2 0 13:55 ? 00:00:00 [writeback]
root 17 2 0 13:55 ? 00:00:00 [kintegrityd]
root 18 2 0 13:55 ? 00:00:00 [bioset]
root 19 2 0 13:55 ? 00:00:00 [bioset]
root 20 2 0 13:55 ? 00:00:00 [bioset]
root 21 2 0 13:55 ? 00:00:00 [kblockd]
root 22 2 0 13:55 ? 00:00:00 [md]
root 23 2 0 13:55 ? 00:00:00 [edac-poller]
root 24 2 0 13:55 ? 00:00:00 [watchdogd]
root 30 2 0 13:55 ? 00:00:00 [kswapd0]
root 31 2 0 13:55 ? 00:00:00 [ksmd]
root 32 2 0 13:55 ? 00:00:00 [khugepaged]
root 33 2 0 13:55 ? 00:00:00 [crypto]
root 41 2 0 13:55 ? 00:00:00 [kthrotld]
root 42 2 0 13:55 ? 00:00:00 [kworker/u256:1]
root 43 2 0 13:55 ? 00:00:00 [kmpath_rdacd]
root 44 2 0 13:55 ? 00:00:00 [kaluad]
root 45 2 0 13:55 ? 00:00:00 [kpsmoused]
root 47 2 0 13:55 ? 00:00:00 [ipv6_addrconf]
root 60 2 0 13:55 ? 00:00:00 [deferwq]
root 95 2 0 13:55 ? 00:00:00 [kauditd]
root 273 2 0 13:56 ? 00:00:00 [ata_sff]
root 278 2 0 13:56 ? 00:00:00 [mpt_poll_0]
root 279 2 0 13:56 ? 00:00:00 [mpt/0]
root 294 2 0 13:56 ? 00:00:00 [nfit]
root 295 2 0 13:56 ? 00:00:00 [scsi_eh_0]
root 296 2 0 13:56 ? 00:00:00 [scsi_tmf_0]
root 302 2 0 13:56 ? 00:00:00 [scsi_eh_1]
root 304 2 0 13:56 ? 00:00:00 [scsi_tmf_1]
root 305 2 0 13:56 ? 00:00:00 [scsi_eh_2]
root 307 2 0 13:56 ? 00:00:00 [scsi_tmf_2]
root 310 2 0 13:56 ? 00:00:00 [irq/16-vmwgfx]
root 311 2 0 13:56 ? 00:00:00 [ttm_swap]
root 384 2 0 13:56 ? 00:00:00 [kdmflush]
root 385 2 0 13:56 ? 00:00:00 [bioset]
root 395 2 0 13:56 ? 00:00:00 [kdmflush]
root 396 2 0 13:56 ? 00:00:00 [bioset]
root 408 2 0 13:56 ? 00:00:00 [bioset]
root 409 2 0 13:56 ? 00:00:00 [xfsalloc]
root 410 2 0 13:56 ? 00:00:00 [xfs_mru_cache]
root 411 2 0 13:56 ? 00:00:00 [xfs-buf/dm-0]
root 412 2 0 13:56 ? 00:00:00 [xfs-data/dm-0]
root 413 2 0 13:56 ? 00:00:00 [xfs-conv/dm-0]
root 414 2 0 13:56 ? 00:00:00 [xfs-cil/dm-0]
root 415 2 0 13:56 ? 00:00:00 [xfs-reclaim/dm-]
root 416 2 0 13:56 ? 00:00:00 [xfs-log/dm-0]
root 417 2 0 13:56 ? 00:00:00 [xfs-eofblocks/d]
root 418 2 0 13:56 ? 00:00:00 [xfsaild/dm-0]
root 419 2 0 13:56 ? 00:00:00 [kworker/0:1H]
root 498 1 0 13:56 ? 00:00:00 /usr/lib/systemd/systemd-journald
root 519 1 0 13:56 ? 00:00:00 /usr/sbin/lvmetad -f
root 521 1 0 13:56 ? 00:00:00 /usr/lib/systemd/systemd-udevd
root 682 2 0 13:56 ? 00:00:00 [xfs-buf/sda1]
root 685 2 0 13:56 ? 00:00:00 [xfs-data/sda1]
root 692 2 0 13:56 ? 00:00:00 [xfs-conv/sda1]
root 695 2 0 13:56 ? 00:00:00 [xfs-cil/sda1]
root 699 2 0 13:56 ? 00:00:00 [xfs-reclaim/sda]
root 701 2 0 13:56 ? 00:00:00 [xfs-log/sda1]
root 702 2 0 13:56 ? 00:00:00 [xfs-eofblocks/s]
root 707 2 0 13:56 ? 00:00:00 [xfsaild/sda1]
root 855 1 0 13:56 ? 00:00:00 /sbin/auditd
root 932 1 0 13:56 ? 00:00:00 /usr/bin/VGAuthService -s
root 933 1 0 13:56 ? 00:00:02 /usr/bin/vmtoolsd
root 935 1 0 13:56 ? 00:00:00 /usr/sbin/abrtd -d -s
root 940 1 0 13:56 ? 00:00:00 /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 stack overflow (cur: eneral protection fault nable to handle kernel ouble fault: RTNL: assertion failed eek! page_mapcount(page) went negative! adness at NETDEV WATCHDOG ysctl table check failed : nobody cared IRQ handler type mismatch Kernel panic - not syncing: Machine Check Exception: Machine check events logged divide error: bounds: coprocessor segment overrun: invalid TSS: segment not present: invalid opcode: alignment check: stack segment: fpu exception: simd exception: iret exception: /var/log/messages -- /usr/bin/abrt-dump-oops -xtD
polkitd 950 1 0 13:56 ? 00:00:00 /usr/lib/polkit-1/polkitd --no-debug
root 956 1 0 13:56 ? 00:00:00 /usr/lib/systemd/systemd-logind
dbus 960 1 0 13:56 ? 00:00:00 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation
root 1003 1 0 13:56 ? 00:00:00 /usr/sbin/crond -n
root 1018 1 0 13:56 ? 00:00:00 login -- root
root 1426 1 0 13:56 ? 00:00:00 /usr/bin/python2 -Es /usr/sbin/tuned -l -P
root 1427 1 0 13:56 ? 00:00:00 /usr/sbin/sshd -D
ot 1428 1 0 13:56 ? 00:00:00 /usr/sbin/rsyslogd -n
root 1557 1 0 13:56 ? 00:00:00 /usr/libexec/postfix/master -w
postfix 1559 1557 0 13:56 ? 00:00:00 qmgr -l -t unix -u
root 1674 1018 0 13:56 tty1 00:00:00 -bash
root 3297 1674 0 13:58 tty1 00:00:00 bash
root 3817 2 0 13:59 ? 00:00:00 [kworker/u257:0]
root 3818 2 0 13:59 ? 00:00:00 [hci0]
root 3819 2 0 13:59 ? 00:00:00 [hci0]
root 3823 2 0 13:59 ? 00:00:00 [kworker/u257:2]
root 3915 1427 0 14:00 ? 00:00:00 sshd: root@pts/0
root 3917 3915 0 14:00 pts/0 00:00:00 -bash
postfix 4011 1557 0 14:00 ? 00:00:00 pickup -l -t unix -u
root 4012 3917 0 14:00 pts/0 00:00:00 bash
root 4074 1 0 14:01 ? 00:00:00 /usr/sbin/anacron -s
root 6644 1 0 14:02 ? 00:00:00 nginx: master process /usr/local/nginx/sbin/nginx
nobody 6697 6644 0 14:06 ? 00:00:00 nginx: worker process
root 7292 2 0 15:00 ? 00:00:00 [kworker/0:2]
root 7761 2 0 15:06 ? 00:00:00 [kworker/0:3]
root 8015 2 0 15:07 ? 00:00:00 [kworker/u256:0]
root 8265 1427 0 15:10 ? 00:00:00 sshd: root@pts/1
root 8267 8265 0 15:10 pts/1 00:00:00 -bash
root 8298 2 0 15:11 ? 00:00:00 [kworker/0:0]
root 8597 2 0 15:13 ? 00:00:00 [kworker/u256:2]
root 8598 4012 0 15:13 pts/0 00:00:00 /bin/bash ./mariadb.sh
mysql 8641 1 0 15:13 ? 00:00:00 /bin/sh /usr/bin/mysqld_safe --basedir=/usr
mysql 8803 8641 1 15:13 ? 00:00:00 /usr/libexec/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib64/mysql/plugin --log-error=/var/log/mariadb/mariadb.log --pid-file=/var/run/mariadb/mariadb.pid --socket=/var/lib/mysql/mysql.sock
root 8838 8598 0 15:14 pts/0 00:00:00 ps -ef | grep mariadbd
用nststat -ntlp更直觀
[root@nginx ~]
systemctl status mariadb &> /dev/null
if [ $? -eq 0 ]; then
echo "mysql is running"
else
echo "警告: mysql服務不可用"
echo "重啓mysql服務: $(systemctl restart mariadb &> /dev/null)"
echo "mysql服務是否運行: $( netstat -ntlp ) | grep mariadbd "
fi
[root@nginx ~]
[root@nginx ~]
警告: mysql服務不可用
重啓mysql服務:
mysql服務是否運行: Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 1557/master
tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 9070/mysqld
tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN 6644/nginx: master
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 1427/sshd
tcp6 0 0 ::1:25 :::* LISTEN 1557/master
tcp6 0 0 :::22 :::* LISTEN 1427/sshd | gre
