lynix scripting codes assingment

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onf2014

Programming

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Assignment 3 (2).docx 

this is the assignment above

and this is the logFileSnippets.txt of it 

************  [/var/log/message: General message and system related stuff ] ************

Jul 17 22:04:25 router  dnsprobe[276]: dns query failed
Jul 17 22:04:29 router last message repeated 2 times
Jul 17 22:04:29 router  dnsprobe[276]: Primary DNS server Is Down... Switching To Secondary DNS server
Jul 17 22:05:08 router  dnsprobe[276]: Switching Back To Primary DNS server
Jul 17 22:26:11 debian -- MARK --
Jul 17 22:46:11 debian -- MARK --
Jul 17 22:47:36 router  -- MARK --
Jul 17 22:47:36 router  dnsprobe[276]: dns query failed
Jul 17 22:47:38  debian kernel: rtc: lost some interrupts at 1024Hz.
Jun 17 22:47:39  debian kernel: IN=eth0 OUT= MAC=00:0f:ea:91:04:07:00:08:5c:00:00:01:08:00 SRC=61.4.218.24 DST=192.168.1.100 LEN=60 TOS=0x00 PREC=0x00 TTL=46 ID=21599 DF PROTO=TCP SPT=59297 DPT=22 WINDOW=5840 RES=0x00 SYN URGP=0
   ************ [/var/log/auth.log: Authenication log] ************

Aug 18 11:00:57 izxvps sshd[5657]: Failed password for root from 95.58.255.62 port 38980 ssh2
Aug 18 23:08:26 izxvps sshd[5768]: Failed password for root from 91.205.189.15 port 38156 ssh2
Aug 18 23:08:30 izxvps sshd[5770]: Failed password for nobody from 91.205.189.15 port 38556 ssh2
Aug 18 23:08:34 izxvps sshd[5772]: Failed password for invalid user asterisk from 91.205.189.15 port 38864 ssh2
Aug 18 23:08:38 izxvps sshd[5774]: Failed password for invalid user sjobeck from 91.205.189.15 port 39157 ssh2
Aug 18 23:08:42 izxvps sshd[5776]: Failed password for root from 91.205.189.15 port 39467 ssh2
   ************ [var/log/kern.log: Kernel logs] ************

May 8 03:07:40 chad last message repeated 1585 times
May 8 03:08:40 chad last message repeated 1587 times
May 8 03:08:58 chad last message repeated 527 times
May 8 03:08:58 chad kernel: apm: BIOS version 1.2 Flags 0x07 (Driver version 1.16ac)
May 8 03:08:58 chad kernel: apm: overridden by ACPI.
May 8 03:08:58 chad kernel: APIC error on CPU0: 40(40)
May 8 03:09:29 chad last message repeated 805 times
May 8 03:10:30 chad last message repeated 1709 times
May 8 03:11:31 chad last message repeated 1745 times
May 8 03:12:32 chad last message repeated 1519 times
May 8 03:13:33 chad last message repeated 1479 times
   ************ [var/log/cron.log: Crond logs (cron job)] ************

Oct  8 22:00:00 dev-db crond[18340]: (root) CMD (/bin/sh /home/root/bin/system_check &)
Oct  8 23:00:00 dev-db crond[20348]: (oracle) CMD (/bin/sh /home/oracle/bin/cleanup.sh &)
Oct  8 23:59:00 dev-db crond[20399]: (john) CMD (/bin/sh /home/john/bin/backup.sh &)
   ************ [/var/log/maillog: Mail server logs] ************

Aug  5 10:48:25 domU-12-31-39-0B-C4-54 sm-msp-queue[13360]: q71He1xw027248: to=postmaster, delay=3+17:03:10, xdelay=00:00:00, mailer=relay, pri=23074446, relay=[127.0.0.1] [127.0.0.1], dsn=4.0.0, stat=Deferred: Connection refused by [127.0.0.1]
Aug  5 10:48:25 domU-12-31-39-0B-C4-54 sm-msp-queue[13308]: q717K1wk024979: to=postmaster, delay=4+03:23:18, xdelay=00:00:00, mailer=relay, pri=25779463, relay=[127.0.0.1] [127.0.0.1], dsn=4.0.0, stat=Deferred: Connection refused by [127.0.0.1]
Aug  5 10:48:25 domU-12-31-39-0B-C4-54 sm-msp-queue[13360]: q71He1xx027248: to=postmaster, delay=3+17:03:10, xdelay=00:00:00, mailer=relay, pri=23075343, relay=[127.0.0.1] [127.0.0.1], dsn=4.0.0, stat=Deferred: Connection refused by [127.0.0.1]
   ************ [/var/log/boot.log : System boot log] ************

Thu Jun 21 17:39:18 2012: [....] Setting parameters of disc: (none)^[[?25l^[[?1c^[7^[[1G[^[[32m ok ^[[39;49m^[8^[[?25h^[[?0c. 
Thu Jun 21 17:39:18 2012: [....] Setting preliminary keymap...^[[?25l^[[?1c^[7^[[1G[^[[32m ok ^[[39;49m^[8^[[?25h^[[?0cdone. 
Thu Jun 21 17:39:18 2012: [....] Activating swap...^[[?25l^[[?1c^[7^[[1G[^[[32m ok ^[[39;49m^[8^[[?25h^[[?0cdone. 
Thu Jun 21 17:39:18 2012: [....] Checking root file system...fsck from util-linux 2.20.1 
Thu Jun 21 17:39:18 2012: /dev/md0: clean, 534274/72024064 files, 63548418/288085470 blocks 
Thu Jun 21 17:39:18 2012: ^[[?25l^[[?1c^[7^[[1G[^[[32m ok ^[[39;49m^[8^[[?25h^[[?0cdone. 
Thu Jun 21 17:39:18 2012: [^[[36minfo^[[39;49m] Loading kernel module loop. 
Thu Jun 21 17:39:18 2012: [....] Cleaning up temporary files... /tmp /lib/init/rw^[[?25l^[[?1c^[7^[[1G[^[[32m ok ^[[39;49m^[8^[[?25h^[[?0c. 
Thu Jun 21 17:39:18 2012: mount: according to mtab, tmpfs is already mounted on /run/lock 
Thu Jun 21 17:39:18 2012: 
Thu Jun 21 17:39:18 2012: mount: according to mtab, tmpfs is already mounted on /run/shm 
Thu Jun 21 17:39:18 2012: 
Thu Jun 21 17:39:18 2012: [....] Generating udev events for MD arrays...^[[?25l^[[?1c^[7^[[1G[^[[32m ok ^[[39;49m^[8^[[?25h^[[?0cdone. 
Thu Jun 21 17:39:18 2012: [....] Setting up LVM Volume Groups...^[[?25l^[[?1c^[7^[[1G[^[[32m ok ^[[39;49m^[8^[[?25h^[[?0cdone. 
Thu Jun 21 17:39:19 2012: [....] Activating lvm and md swap...^[[?25l^[[?1c^[7^[[1G[^[[32m ok ^[[39;49m^[8^[[?25h^[[?0cdone. 
Thu Jun 21 17:39:19 2012: [....] Checking file systems...fsck from util-linux 2.20.1
   ************ [/var/log/httpd/httpd.log: Apache access and error logs directory] ************

[Wed Mar 21 11:30:58 2012] [warn] RSA server certificate is a CA certificate (BasicConstraints: CA == TRUE !?)
[Wed Mar 21 11:30:58 2012] [warn] RSA server certificate CommonName (CN) `test8rc1.schtrumpf.com' does NOT match server name!?
[Wed Mar 21 11:30:58 2012] [notice] Digest: generating secret for digest authentication ...
[Wed Mar 21 11:30:58 2012] [notice] Digest: done
[Wed Mar 21 11:31:03 2012] [warn] RSA server certificate is a CA certificate (BasicConstraints: CA == TRUE !?)
[Wed Mar 21 11:31:03 2012] [warn] RSA server certificate CommonName (CN) `test8rc1.schtrumpf.com' does NOT match server name!?
[Wed Mar 21 11:31:04 2012] [notice] Apache configured -- resuming normal operations
[Wed Mar 21 11:32:34 2012] [error] [client 192.168.0.1] File does not exist: /home/e-smith/files/ibays/Primary/html/favicon.ico
[Wed Mar 21 11:32:34 2012] [error] [client 192.168.0.1] File does not exist: /home/e-smith/files/ibays/Primary/html/favicon.ico
[Wed Mar 21 11:32:59 2012] [notice] Graceful restart requested, doing restart
[Wed Mar 21 11:32:59 2012] [notice] Digest: generating secret for digest authentication ...
[Wed Mar 21 11:32:59 2012] [notice] Digest: done
   ************ [/var/log/daemon.log: Apache access and error logs directory] ************

Feb 11 06:55:51 mamma NetworkManager: <info> starting...
Feb 11 06:55:51 mamma NetworkManager: <info> Trying to start the modem-manager...
Feb 11 06:55:51 mamma NetworkManager: SCPlugin-Ifupdown: init!
Feb 11 06:55:51 mamma NetworkManager: SCPlugin-Ifupdown: update_system_hostname
Feb 11 06:55:51 mamma NetworkManager: SCPluginIfupdown: guessed connection type (eth0) = 802-3-ethernet
Feb 11 06:55:51 mamma NetworkManager: SCPlugin-Ifupdown: update_connection_setting_from_if_block: name:eth0, type:802-3-ethernet,id:Ifupdown (eth0), uuid: 681b428f-beaf-8932-dce4-687ed5bae28e
Feb 11 06:55:51 mamma NetworkManager: SCPluginIfupdown: management mode:unmanaged
Feb 11 06:55:51 mamma NetworkManager: SCPlugin-Ifupdown: devices added (path: /sys/devices/pci0000:00/0000:00:1c.1/0000:40:00.0/net/eth0, iface:eth0)
Feb 11 06:55:51 mamma NetworkManager: SCPluginIfupdown: locking wired connection setting
Feb 11 06:55:51 mamma NetworkManager: Ifupdown: get unmanaged devices count: 1
Feb 11 06:55:51 mamma NetworkManager: SCPlugin-Ifupdown: (141091568) ...get_connections.
Feb 11 06:55:51 mamma NetworkManager: SCPlugin-Ifupdown: (141091568) ...get_connections (managed=false): return empty list.
Feb 11 06:55:51 mamma NetworkManager: Ifupdown: get unmanaged devices
 

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ITEC 325 Spring 2013 Assignment 3 Working individually you will choose five log files. For each of the logs you should perform the following tasks: • Describe the log • Create a script that may be useful in managing the log • Illustrate why the script would be useful • Create one regular expression that may be useful in analyzing the log • Describe the rules that dictate the pattern of the regular expression • Illustrate why the regular expression would be useful. • (The regular expression should be part of the script) When describing the log please provide 4 - 5 sample lines and discuss them briefly. The five logs should be divided as follows: • Three logs generated by the system (for example: daemon, kern, syslog) • Two logs generated by installed applications (for example: mysql, apache
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