数据仓库004 – 复习Linux shell命令 – vi 进程 端口号 系统命令 高危命令 wget yum rpm压缩

[root@localhost ~]# df -h文件系统              容量  已用 可用 已用% 挂载点/dev/mapper/VolGroup00-LogVol00                       15G  3.8G   11G  27% //dev/sda1              99M   14M   81M  15% /boottmpfs                 829M     0  829M   0% /dev/shmnone                  829M  104K  829M   1% /var/lib/xenstored/dev/scd0             2.9G  2.9G     0 100% /media/RHEL_5.5 i386 DVD[root@localhost ~]# 

[root@localhost ~]# free -m             total       used       free     shared    buffers     cachedMem:          1658        971        686          0        119        519-/+ buffers/cache:        332       1325Swap:         5023          0       5023[root@localhost ~]# 

[root@localhost ~]# toptop - 02:29:38 up  2:32,  4 users,  load average: 0.00, 0.00, 0.00Tasks: 213 total,   2 running, 210 sleeping,   0 stopped,   1 zombieCpu(s):  0.0%us,  0.0%sy,  0.0%ni,100.0%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%stMem:   1697792k total,   994768k used,   703024k free,   122228k buffersSwap:  5144568k total,        0k used,  5144568k free,   531792k cached  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND                1 root      15   0  2088  644  552 S  0.0  0.0   0:00.54 init                   2 root      RT  -5     0    0    0 S  0.0  0.0   0:02.83 migration/0            3 root      34  19     0    0    0 S  0.0  0.0   0:00.00 ksoftirqd/0            4 root      RT  -5     0    0    0 S  0.0  0.0   0:00.00 watchdog/0             5 root      RT  -5     0    0    0 S  0.0  0.0   0:02.62 migration/1            6 root      36  19     0    0    0 S  0.0  0.0   0:00.00 ksoftirqd/1            7 root      RT  -5     0    0    0 S  0.0  0.0   0:00.00 watchdog/1             8 root      10  -5     0    0    0 S  0.0  0.0   0:00.00 events/0               9 root      10  -5     0    0    0 S  0.0  0.0   0:00.00 events/1              10 root      10  -5     0    0    0 S  0.0  0.0   0:00.00 khelper               11 root      10  -5     0    0    0 S  0.0  0.0   0:00.00 kthread               13 root      10  -5     0    0    0 S  0.0  0.0   0:00.00 xenwatch              14 root      10  -5     0    0    0 S  0.0  0.0   0:00.00 xenbus                17 root      10  -5     0    0    0 S  0.0  0.0   0:00.12 kblockd/0             18 root      10  -5     0    0    0 S  0.0  0.0   0:00.03 kblockd/1             19 root      15  -5     0    0    0 S  0.0  0.0   0:00.00 kacpid               180 root      13  -5     0    0    0 S  0.0  0.0   0:00.00 cqueue/0           [root@localhost ~]# 

[root@localhost ~]# ps -ef|grep ssh
root 4377 1 0 Nov21 ? 00:00:00 /usr/sbin/sshd
linux 5569 5534 0 Nov21 ? 00:00:00 /usr/bin/ssh-agent /bin/sh -c exec -l /bin/bash -c “/usr/bin/dbus-launch –exit-with-session /etc/X11/xinit/Xclients”
root 6710 4377 0 00:09 ? 00:00:00 sshd: root@pts/1
root 8451 4377 0 00:30 ? 00:00:00 sshd: root@pts/3
root 9018 8943 0 02:29 pts/3 00:00:00 grep ssh
[root@localhost ~]#
[root@localhost ~]# ps -ef|grep ssh | grep -v grep
root 4377 1 0 Nov21 ? 00:00:00 /usr/sbin/sshd
linux 5569 5534 0 Nov21 ? 00:00:00 /usr/bin/ssh-agent /bin/sh -c exec -l /bin/bash -c “/usr/bin/dbus-launch –exit-with-session /etc/X11/xinit/Xclients”
root 6710 4377 0 00:09 ? 00:00:00 sshd: root@pts/1
root 8451 4377 0 00:30 ? 00:00:00 sshd: root@pts/3
[root@localhost ~]#

[root@localhost ~]# netstat -nlp |grep 6710[root@localhost ~]# netstat -nlp |grep 762unix  2      [ ACC ]     STREAM     LISTENING     17622  4896/xenstored      /var/run/xenstored/socketunix  2      [ ACC ]     STREAM     LISTENING     17623  4896/xenstored      /var/run/xenstored/socket_ro[root@localhost ~]# netstat -nlp |grep 74886[root@localhost ~]# netstat -nlp |grep sshtcp        0      0 :::22                       :::*                        LISTEN      4377/sshd           unix  2      [ ACC ]     STREAM     LISTENING     19951  5569/ssh-agent      /tmp/ssh-uUAfXg5534/agent.5534[root@localhost ~]# 

[root@ruozedata001 conf]# ps -ef|grep httproot      91733      1  0 22:38 ?        00:00:00 /usr/sbin/httpd -DFOREGROUNDapache    91734  91733  0 22:38 ?        00:00:00 /usr/sbin/httpd -DFOREGROUNDapache    91735  91733  0 22:38 ?        00:00:00 /usr/sbin/httpd -DFOREGROUNDapache    91736  91733  0 22:38 ?        00:00:00 /usr/sbin/httpd -DFOREGROUNDapache    91737  91733  0 22:38 ?        00:00:00 /usr/sbin/httpd -DFOREGROUNDapache    91738  91733  0 22:38 ?        00:00:00 /usr/sbin/httpd -DFOREGROUNDroot      93161  83057  0 22:46 pts/1    00:00:00 grep --color=auto http[root@ruozedata001 conf]# kill -9 91733[root@ruozedata001 conf]# [root@ruozedata001 conf]# ps -ef|grep httpapache    91734      1  0 22:38 ?        00:00:00 /usr/sbin/httpd -DFOREGROUNDapache    91735      1  0 22:38 ?        00:00:00 /usr/sbin/httpd -DFOREGROUNDapache    91736      1  0 22:38 ?        00:00:00 /usr/sbin/httpd -DFOREGROUNDapache    91737      1  0 22:38 ?        00:00:00 /usr/sbin/httpd -DFOREGROUNDapache    91738      1  0 22:38 ?        00:00:00 /usr/sbin/httpd -DFOREGROUNDroot      93185  83057  0 22:46 pts/1    00:00:00 grep --color=auto http[root@ruozedata001 conf]# kill -9 91734  91735  91736  [root@ruozedata001 conf]# [root@ruozedata001 conf]# ps -ef|grep httpapache    91737      1  0 22:38 ?        00:00:00 /usr/sbin/httpd -DFOREGROUNDapache    91738      1  0 22:38 ?        00:00:00 /usr/sbin/httpd -DFOREGROUNDroot      93207  83057  0 22:46 pts/1    00:00:00 grep --color=auto http[root@ruozedata001 conf]# [root@ruozedata001 conf]# [root@ruozedata001 conf]# echo $(pgrep -f http)91737 91738[root@ruozedata001 conf]# pgrep -f http9173791738[root@ruozedata001 conf]# kill -9 $(pgrep -f http)kill: usage: kill [-s sigspec | -n signum | -sigspec] pid | jobspec ... or kill -l [sigspec][root@ruozedata001 conf]# [root@ruozedata001 conf]# [root@ruozedata001 conf]# pgrep -f http[root@ruozedata001 conf]# ps -ef|grep httproot      93533  83057  0 22:48 pts/1    00:00:00 grep --color=auto http[root@ruozedata001 conf]# 

ruozedata001

yum search xxxyum install -y xxx-yyyyum remove xxx-yyy[root@ruozedata001 conf]# [root@ruozedata001 conf]# rpm -qa | grep httphttpd-2.4.6-90.el7.centos.x86_64httpd-tools-2.4.6-90.el7.centos.x86_64[root@ruozedata001 conf]# [root@ruozedata001 conf]# rpm -e httpd-tools-2.4.6-90.el7.centos.x86_64error: Failed dependencies:        httpd-tools = 2.4.6-90.el7.centos is needed by (installed) httpd-2.4.6-90.el7.centos.x86_64[root@ruozedata001 conf]# 先删除httpd-2.4.6-90.el7.centos.x86_64httpd-tools-2.4.6-90.el7.centos.x86_64rpm -e --nodeps httpd-tools-2.4.6-90.el7.centos.x86_64--nodeps  不校验，直接删除[root@ruozedata001 conf]# rpm -qa | grep httphttpd-tools-2.4.6-90.el7.centos.x86_64httpd-2.4.6-90.el7.centos.x86_64[root@ruozedata001 conf]# [root@ruozedata001 conf]# [root@ruozedata001 conf]# rpm -e  --nodeps     httpd-tools-2.4.6-90.el7.centos.x86_64[root@ruozedata001 conf]# rpm -qa | grep httphttpd-2.4.6-90.el7.centos.x86_64[root@ruozedata001 conf]# 6.wget下载安装包wget http://archive.cloudera.com/cdh5/cdh/5/hadoop-2.6.0-cdh5.16.2.tar.gz7.压缩解压zipzip -r xxx.zip ./*  在文件夹里面 zip -r ruozedata.zip ruozedata/* 在外面unzip ruozedata.zip大数据组件的压缩包几乎都是后缀 tar.gztar -xzvf hadoop-2.6.0-cdh5.16.2.tar.gztar -czvf hadoop-2.6.0-cdh5.16.2.tar.gz  hadoop-2.6.0-cdh5.16.2/*Examples:  tar -cf archive.tar foo bar  # Create archive.tar from files foo and bar.  tar -tvf archive.tar         # List all files in archive.tar verbosely.  tar -xf archive.tar          # Extract all files from archive.tar.

ruozedata001