logrotate

log file messages to a file, you can print them to the terminal of all logged-in users. In the default rsyslog.conf file, this is done for all messages with a priority of "Emerg".Log file rotationThe logs are "rotated" through the logrotate utility to prevent them from filling up the file system that contains the/var/log/. When a log file is rotated, it is renamed with the name extension, and the name extension indicates the rotation date: If the fil

logs have reached a terrible size all the year round.-Rw-r -- 1 nobody root 4959870331 May 18 11:38 access. log.1[Root @ xx16 logs] # du-sh37G So, write nginx log cutting first, and then execute it once.[Root @ xx16 logrotate. d] # vim/etc/logrotate. d/nginx/Usr/local/nginx/logs/* log {DailyRotate 7CompressNotifemptyNocompressPostrotate/Bin/kill-USR1 'cat/usr/local/nginx/logs/nginx. pid '2>/dev/null | true

Tags: User name slow. SQL Perl text build table Ges IGEs OpenPrefaceUsing anemometer to visualize the MySQL slow query log, you can more easily query the slow query log, and based on the time stamp of historical query. The following is a stand-alone version of the Anemometer deployment demonstration, in practice, for security reasons, it is recommended to separate the anemometer to another machine.Working principleAnemometer: Implementing Log VisualizationPt-query-digest: Extracting slow query l

avoid excessive logs, configure log rotation (man logrotate to view detailed help information) Vi/etc/logrotate. conf Add the following content: # System-specific logs may be also be configured here. # Pix logrotate /Var/log/pix. log { Weekly Rotate 4 } # Switch logrotate /Var/log/switch. log { Weekly Rotate 4 } # Rou

This article and everyone to share is the use of Linux in the command logrotate to the Nginx Log cutting related implementation method, hope to help you better learning Linux systems . Nginx installation directory:/usr/local/nginx/Nginx Log directory:/usr/local/nginx/logs/,/usr/local/nginx/logs/nginx_logs/1. Add nginx log Cutting scriptCD/ETC/LOGROTATE.D # Enter directoryVi/etc/logrotate.d/nginx # Edit Script/usr/local/nginx/logs/*.log/usr/local/ngi

to a file, you can print them to the terminal of all logged-in users. In the default rsyslog.conf file, this is done for all messages with a priority of "Emerg".Log file rotationThe logs are "rotated" through the logrotate utility to prevent them from filling up the file system that contains the/var/log/. When a log file is rotated, it is renamed with the name extension, and the name extension indicates the rotation date: If the file is rotated on Oc

find the reason for the failure in this file. D, in the/var/log directory, there are some files that end with a number, which are the archived files that are already in circulation. Log files can become particularly large and unwieldy. Linux provides a command to cycle through these logs so that your current log information is not submerged in old irrelevant information. Logrotate are usually run automatically at timed intervals, but they can also be

Tags: install centos6.9 admin dev Eve centos rpm socket environmentObjectiveUsing anemometer to visualize the MySQL slow query log, you can more easily query the slow query log, and based on the time stamp of historical query. The following is a stand-alone version of the Anemometer deployment demonstration, in practice, for security reasons, it is recommended to separate the anemometer to another machine.Working principleAnemometer: Implementing Log VisualizationPt-query-digest: Extracting slow

file.Command logger-it logger_test-p local3.notice the meaning of each option: -I: The process ID is recorded on each line; -T logger_test: Each line of records is labeled "Logger_test"; -P Local3.notice: Sets the log type and priority. Log dumpsLog dumps are also called log back volumes or log rotations. Logs in Linux typically grow quickly, consume a lot of hard disk space, and need to be stored separately when the log file reaches the specified size.Syslog is only respo

risk 5.5 set the number of retained Bash History commands to check the method: # cat/etc/profile | grep HISTSIZE = # cat/etc/profile | grep HISTFILESIZE = backup method for viewing the number of retained History commands: # cp-p/etc/profile/etc/profile_bak reinforcement method: # vi/etc/profile modify HISTSIZE = 5 and HISTFILESIZE = 5 to retain the Latest Five CommandsFigure 8Risk: no visible risk 6. Audit Policy 6.1 configure the System Log Policy Configuration File Check Method: # ps-aef | gr

Method: # Ps-aef | grep syslog check whether syslog is enabled # Cat/etc/syslog. conf check the configuration of syslogd and check whether the log file exists System log (default)/var/log/messages Cron log (default)/var/log/cron Security log (default)/var/log/secure Backup method: # Cp-p/etc/syslog. conf6.2 allocate reasonable storage space and storage time for audit data Check Method: # Cat/etc/logrotate. conf # Rotate log files weekly Weekly # Keep

and configuration file that you have defined. Source1: nginx. conf # nginx has made many optimizations in the main configuration file, including CPU preemption, various cache policies, TCP, and number of processes. Source2: sysctl. conf Source 3: root.tar.gz # Source4: nginx-module.tar.gz Source5: nginx. logrotate # To prevent nginx log files from increasing gradually and affect the read/write efficiency, nginx logs are regularly cut. Source6: nginx.

---------------------------------------------------------------------------------------------------------------------------------------------- DNS Configuration:Path:/etc/resolv. conf Search localdomainNameserver 202.103.24.68 Certificate ----------------------------------------------------------------------------------------------------------------------------------------------Logrotate is the log polling service in Linux. The main configuration fil

1. Create log directoryNginx's default log directory may have a smaller hard disk space, so create a log directory based on the disk's space conditionExample: Mkdir/backup/nginx_logs2. Modify Nginx configuration fileConfigure the Nginx log directory to point to the directory you just createdIn the configuration file, write:Write on the server or HTTP or location block according to the time situation, this example is written in the server blockAccess_log/backup/nginx_logs/access.log combined;The

/tmp/yum-2.0.8root/etc/var/tmp/yum-2.0.8root/usr/share/yum/var/tmp/yum-2.0.8root/usr /share/man/man8/var/tmp/yum-2.0.8root/usr/share/man/man5/var/tmp/yum-2.0.8root/var/cache/yum/Make [2]: Leaving directory '/usr/src/redhat/BUILD/yum-2.0.8'../Mkinstalldirs/var/tmp/yum-2.0.8root/etc/{cron. daily, init. d, logrotate. d}Mkdir/var/tmp/yum-2.0.8root/etc/cron. dailyMkdir/var/tmp/yum-2.0.8root/etc/init. dMkdir/var/tmp/yum-2.0.8root/etc/

information to a file called/var/log/cronnews, but two program warning messages are recorded in/var/log/cronnews.warn, you should add the following:News.*;cron.*/var/log/cronnewsNews.=warn;cron.=warn/var/log/cronnews.warnThe. = Represents the required level is the next level, the others do not.! Represents not equal to, and is recorded in addition to the rank of the classOne thing to note is that for log files, if you open it with vim and leave but execute: Wq parameters, then the file will not

logrotate is a powerful system software, it has a complete set of operating mode for log files, such as: Dump, mail and compression, and the default logrotateadded to Cron ( /etc/cron.daily/logrotate ) as daily task execution. Automatically with logrotate, I don't want to write my own log cutting scripts. the following Tomcat Log Catalina.out Log Cutting650) this

From the beginning has not yet started to write the server above the code, whether the C/s or b/s are basic contact and achieved, from the beginning of the socket communication, to the transplant boa, realize CGI, groping VoIP server,web server (Php--phalcon), Web server (JAVA-SSH) has been maintained. Contact Yate server time is the longest, but also for the first time a system has a relatively full understanding. Log-run in the background-run scripts-Service installation-Package deployment ins

-usr1 'cat/opt/nginx/logs/nginx. Pi' Method 3:Use logrotate for nginx log polling Logrotate knows by name that it is dedicated to log polling, and only places the task configuration in/etc/logrotate. d. VI/etc/logrotate. d/nginx /Usr/local/nginx/logs/www.willko.cn. log/usr/local/nginx/logs/nginx_error.log { Notif

trust the information recorded in lastlog, utmp, and wtm, but do not ignore it because the information may have been modified. Someone may have replaced the who program to hide their ears. Generally, process accounting works effectively after suspicious activities are identified. Lastcomm can be used to isolate user activities or execute commands at specific times. 3. Use logrorate to manage audit files /Var/log/utmp,/var/log/wtmp, And/var/log/pacct files are dynamic data files. The wtmp and pa