os_check_linux

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--

1. #!/bin/sh
   
2. 
   
3. #USAGE    : collect linux os info
   
4. #AUTHOR   : zhangyu
   
5. #VERSION  : v1.0
   
6. #MODIFIED : 2018 05 10  
   
7. 
   
8. logdir=/tmp/ht/`date +%y%m%d`
   
9. [ ! -d $logdir ] && mkdir -p $logdir&&chmod -R 777 $logdir
   
10. echo "The output dir ${logdir} has been created successfully!"
    
11. log=$logdir/os_info_`hostname`_`date +%y%m%d%H%M`
    
12. index=1
    
13.                                                                                                                                        
    
14. # run this script use root
    
15. [ $(id -u) -gt 0 ] && echo "please  run the script with root user! " && exit 1
    
16. 
    
17. # sequential title for $log
    
18. echo_title(){
    
19.                 echo >> $log
    
20.         echo ======================= `hostname`:${index}. $* >> $log
    
21.         let index=$index+1
    
22.         echo >> $log
    
23. }
    
24. 
    
25. # prompt of terminal
    
26. echo_back(){
    
27.   [ $(echo $SHELL|grep bash|wc -l) -eq 1 ]&&{
    
28.         echo -n $*
    
29. }||{
    
30.         echo "$*\c"
    
31. }
    
32. }
    
33. #check release ventor
    
34. vendor=$(
    
35.         if [ -e /etc/oracle-release ];then cat /etc/oracle-release|head -1
    
36.         elif [ -e /etc/redhat-release ];then cat /etc/redhat-release|head -1
    
37.         elif [ -e /etc/SuSE-release ];then cat /etc/SuSE-release|head -1
    
38.         else echo "Other Release"
    
39.         fi
    
40. )
    
41. 
    
42. #collect ip info
    
43. ipaddr=$(
    
44. for i in $(ip link | grep BROADCAST | awk -F: '{print $2}');
    
45. do
    
46. ip add show $i | grep -E "BROADCAST|global"| awk '{print $2}' | tr '\n' ' '
    
47. echo
    
48. done
    
49. )
    
50. 
    
51. #collect os base info
    
52. base_info(){
    
53. echo "OS TYPE     :$(uname -s -i)"
    
54. echo "OS VENDOR   :${vendor}"
    
55. echo "HOST NAME   :$(hostname)"
    
56. echo "CHECK DATE  :$(date '+%y_%m_%d %H:%M:%S')"
    
57. echo "UP TIME     :$(uptime| awk -F[,] '{print $1}'|sed 's/^ //')"
    
58. echo "CPU MODE    :$(grep "model name" /proc/cpuinfo|sort -u |awk -F[:] '{print $2}'|sed 's/^ //')"
    
59. echo "CPU COUNT   :$(grep "processor" /proc/cpuinfo|wc -l)"
    
60. echo "PHY MEM PCT :$(free -m|grep Mem|awk '{print $2,$3,$4}') MB"
    
61. echo "SWAP EMM PCT:$(free -m | grep Swap|awk '{print $2,$3,$4}') MB"
    
62. echo "LOCALE      :$(locale|grep LANG|awk -F[=] '{print $2}')"
    
63. echo "TIME ZONE   :$(date +%Z%z)"
    
64. 
    
65. echo_title hostname info
    
66. cat /etc/hosts|grep -v ^#|grep -v ^$
    
67. 
    
68. echo_title memory nd swap info
    
69. grep MemTotal /proc/meminfo
    
70. grep SwapTotal /proc/meminfo
    
71. echo
    
72. free -m
    
73. 
    
74. echo_title ip info
    
75. echo "${ipaddr}"
    
76. echo
    
77. ifconfig -a
    
78. 
    
79. echo_title usage nd mount info
    
80. df -h
    
81. echo
    
82. lsblk
    
83. 
    
84. echo_title user info
    
85. cat /etc/shadow
    
86. 
    
87. echo_title group info
    
88. cat /etc/group
    
89. 
    
90. echo_title firewall nd selinux info
    
91. systemctl status firewalld
    
92. service iptables status
    
93. echo "selinux:`getenforce`"
    
94. 
    
95. echo_title crontab info
    
96. crontab -l>/dev/null 2>&1
    
97. if [ $? -eq 0 ];then
    
98.         crontab -l | grep -v ^$ | grep -v ^#
    
99. fi
    
100. 
     
101. echo_title sysctl info
     
102. cat /etc/sysctl.conf| grep -v ^#|grep -v ^$
     
103. 
     
104. echo_title security limits
     
105. cat /etc/security/limits.conf| grep -v ^#|grep -v ^$
     
106. grep -v ^# /etc/security/limits.d/*.conf|grep -v ^$
     
107. 
     
108. echo_title processes tree
     
109. pstree -a -A -c -l -n -p -u -U
     
110. 
     
111. echo_title port info
     
112. netstat -anlp|grep tcp|grep -E "ora|postgres|asm|mysql|maria|oninit|sybase|httpd"|grep -v tcp6
     
113. 
     
114. echo_title vmstat info
     
115. vmstat 2 10
     
116. 
     
117. echo_title dmesg
     
118. tail -100 /var/log/messages
     
119. }
     
120. 
     
121. echo_back Start to collecting information ...
     
122. echo
     
123. echo_title os base info
     
124. base_info >> $log
     
125. 
     
126. echo "OK!completed.see the log file:$log"
     

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