FavoriteI have NGINX+PHP-FPM Web serverSo I ' ve noticed in php5-fpm.log many strange lines:[03-sep-2013 09:25:23] NOTICE: [Pool www] child 23999 exited with code 0 after 321.832329 seconds from start[03-sep-2013 09:25:23] NOTICE: [Pool www] child 24082 started[03-sep-2013 09:25:41] NOTICE: [Pool www] child 24032 exited with code 0 after 259.247887 seconds from s
Note: If you mistakenly delete the Ibdata file, do not kill the mysqld process at this time, otherwise it can not be saved.1. Simulate the deletion of ibdata data files and redo log files:[email protected] data]# LLTotal 421944-rw-r-----. 1 mysql mysql 20:57 Sep auto.cnf-rw-r-----. 1 mysql mysql 11937 Sep 23:37 error.log-rw-r-----. 1 MySQL mysql 413 Sep 20:57 ib_
The introduction to the D language is as follows:
(Shao Dong Hao blog ):
Simply put, language D is a newProgramming Language, Including the strengths of C ++, C #, and Java, to supplement their shortcomings. (I think the reason for the name may be more than the C language)
Walter bright, author of The D language (just one person, violent !!!) It is the author of Symantec C ++ compiler, which is well-known. Therefore, this language is worth looki
high. We naturally thought of hive and used hive to directly parse and query raw logs.
Like in hive supports wildcard configurations. Like MySQL, rlike/Regexp supports regular expressions. In this way, hive can do most of the grep regular and wildcard functions.2. Process and case 2.1 first create a table for the entire original log
create EXTERNAL table IF NOT EXISTS ext_M_track ( line string)PARTITIONED BY (statDate STRING)ROW FORMAT DELIMITEDFIELDS TERMINATED BY ‘\001‘COLLECTION I
is updated and cron needs to reload it into memory. The file may find some anomalies.
/var/log/maillog
This log file records each activity that is sent to or from the system. It can be used to see which system the user uses to send the tool or to which system to send the data. The following is a fragment of the log file:
Sep 4 17:23:52 UNIX sendmail[1950]: g849npp01950:from=root, size=25,
Class=0, Nrcpts=1,
Msgid=
Relay=root@localhost
[-n "$ port"] | return 1 service_start/usr/sbin/supernode-l $ port ;; esac} stop_instance () {local cfg = "$1" config_get type "$ cfg" TYPE case "$ type" in edge) service_stop/usr/sbin/edge; supernode) service_stop/usr/sbin/supernode; Esac} start () {config_load 'n2n 'config_foreach start_instance 'edge' config_foreach start_instance 'supernode'} stop () {config_load 'n2n 'config_foreach stop_instance 'edge' config_foreach stop_instance 'supernode'} shows that it is very easy to use from the co
Use of anti-virus software-SAVFL in Linux-general Linux technology-Linux technology and application information. For details, refer to the following section. By Mail: goodluck215 # gmail.com
SAVFL (Symantec AntiVirus for Linux) is an anti-virus software in Linux.
1. System Requirements
Hardware requirements:
Intel™Pentium™II 266 MHz or higher CPU
256 MB or larger RAM
80 MB remaining hard disk space
Basic Operating System Requirements:
Red Hat®Ente
Small Win2k xp lan Management and Maintenance
I. Necessity of management and maintenanceDue to the rapid popularity of networks and the constant discovery of Win2k/XP vulnerabilities in recent years. From the release of Expliot to the generation cycle of the worm virusGreatly reduced. Therefore, security incidents are common due to viruses, worms, and malicious script attacks, resulting in losses to users.
II. Implementation of management and maintenance
1. Data and System BackupUse
"/y
net stop "navapsvc"/y
net stop "nisum"/y
net stop "symproxysvc"/y
net stop "RESCUE32"/y
net stop "Nisserv"/y
net stop "ATrack"/y
net stop "Iamapp"/y
net stop "Lucomserver"/y
net stop "Luall"/y
net stop "Nmain"/y
net stop "NAVW32"/y
net stop "NAVAPW32"/y
net stop "Vsstat"/y
net stop "VSHWIN32"/y
net stop "avsynmgr"/y
net stop "Avconsol"/y
net stop "Webtrap"/y
net stop "Pop3trap"/y
net stop "Pccmain"/y
net stop "Pcciomon"/y
net stop "Virtual CD V4 Security Service (sdk-version)"/y
net stop "No
Str.maketrans () function to replace the corresponding character.
Split Combine class methods:
Str.partition (Sep):
This method is used to split a string, returning a tuple that contains three elements. If Sep is not found in the original string, the three elements of the tuple are: original string, empty string, empty string; otherwise, the first Sep character
CHGRP User name File name-RChown User name File name-R-r = All files in the recursive directoryThe above section has been verifiedFirst, modify the file belongs to the group--chgrpModifying a file belongs to a group the simple-CHGRP command is the abbreviation for Change group (which we can use to memorize commands)Syntax:chgrp Group file name/directory Example:[Email protected] ~]# Groupadd Groupa[Email protected] ~]# Groupadd GROUPB[[email protected] ~] #useradd-G groupazgz[email protected] ~]
;" pleaze dn't knkk at my dr! "// If there are three parameters, the third parameter means to delete the corresponding characters in the original string.
Str. translate (map ):
Used with the str. maketrans () function to replace the corresponding characters.
Splitting and combination methods:
Str. partition (sep ):
This method is used to split a string and return a triple containing three elements. If Sep c
A machine (SSH connection initiator, i.e. client):Add a test user AAA
The code is as follows:
[Root@a ~]# Useradd AAA
Su becomes AAA
The code is as follows:
[Root@a ~]# SU-AAA
[Aaa@a ~]$
Ssh-keygen Create an RSA key pair
The code is as follows:
[Aaa@a ~]$ ssh-keygen-t RSA
Generating public/private RSA key pair.Enter file in which to save the key (/home/aaa/.ssh/id_rsa): Where to save the keys fileCreated directory '/home/aaa/.ssh '. Default key file storage dir
Over the past few years, security software vendors have made a fortune by making Microsoft's mistakes. Security Vulnerabilities-and fear of Security Vulnerabilities-make a lot of money for many software developers. Therefore, is Symantec really worried about the security of vista?
Symantec recently released a research report "security risks of vista operating system", which lists some new security features
"\" McAfee text default null, \ n "\" Symantec text default null, \ n "\" Norman text default null, \ n "\" Avast text default null, \ n "\" NOD32 text default null, \ n "\" BitDefender text default null, \ n "\" Microsoft TEXT D Efault null, \ n "\" Rising text default null, \ n "\" Panda text default null \ n "\"); ") print" create db: % s sucess "% self. _ dbfile return True def _ get_task_dict (self, row): try: task = {} task ["id"] = row [0] tas
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