linux tail log file continuously

; "$CATALINA _base"/logs/catalina.out 2>1 if [!-Z "$CATALINA _pid"]; Then Echo $! > $CATALINA _pid Fi Fi Modify org.apache.catalina.startup.Bootstrap "[email protected]" start \ >> "$CATALINA _base"/logs/catalina.out 2>1 to be org.apache.catalina.startup.Bootstrap "[email protected]" Start 2>1 \ |/usr/local/sbin/cronolog "$CATALINA _base"/logs/catalina.%y-%m-%d.out >>/dev/null at the same time, there is a row Touch "$CATALINA _base"/logs/catalina.out can be commented out, after the comple

I. File locationLocation in general under the/var/spool/cron/, if you are the root user, then there is a root file, recommended daily backup, to avoid accidental deletion resulting in crontab file loss;Two. log file locationBy default, the logs executed in Crontab are writte

Tags: SQL solution log issues using MySQL 5.6 to solve large file LinuxEnvironment:CentOS 6.3MySQL 5.6 (source installation)Problem Description:Mysql.log log is too large, full root directory, after the deletion through RM, the file has been deleted, but the space is not releasedPossible causes:The MySQL process is sti

Abstract: Syn good son source: Http://www.cnblogs.com/cssdongl reprint please indicate the sourceQuick mark the details of this command, lest later use and forgetWe all know that you can use echo to output content to a file, such as echo "Hello,word" >> temp.txtSo what do I do now to output the screen of Hadoop or Spark's command to a file? Very simple, the command is as follows Hadoop jar *.jar $mrClass >

The linux Command counts the number of times the IP address of the log file appears. One interview question: How many times does the log file IP value count? The first six most frequently displayedSolution: Grep-I-o-E "([0-9] {1, 3 }\.) {3} [0-9] {1, 3} "test1.txt | so

I. File locationLocation in general under the/var/spool/cron/, if you are the root user, then there is a root file, recommended daily backup, to avoid accidental deletion resulting in crontab file loss;Two. log file locationBy default, the logs executed in Crontab are writte

I. File location Position in general under/var/spool/cron/, if you are root, then there is a root file, recommended daily backup, to avoid accidental deletion caused crontab file loss; Two. log file location By default, the log

A. Split description Split can be used to cut a log file, making it easier to process logs. For example, there is a 12G log, you need to delete a row of data, know the line number, but with the SED and vi relatively slow, You can cut the split first, then delete the line, and then regroup. Two. Instructions for use [Root@bogon desktop]# Split--help Usage:spli

Project release, write a shell script to start the project, including the start of the project, turn off the restart, including the project log output to the specified file, not for anything else, just for the next project release, you can directly copy the past use of the script. Ha ha.. Copy this shell script and just change the red part to something in your own project and you can run it directly. Then a

Recently deleted the archive log of DG, [oracle@.local logs]crontab -l* 8 * * * sh /home/oracle/dbscripts/del_arc.sh This script calls the three scripts that generate the delete verification respectively. cat del_arc.sh#! /bin/bashsource /home/oracle/.bash_profilesh /home/oracle/dbscripts/build_del_archivelog.sh >> /home/oracle/dbscripts/del_arch`date +%F_%H`.shsleep 5sh /home/oracle/dbscripts/del_arch`date +%F_%H`.sh >> /home/oracle/dbscripts/logs/

Very simple, open File/write file. Bash script: echo "message" >>/path/to/yourlogfile C: This is needless to say, fopen ("/path/to/yourlogfile", "a"); then call fwrite If you want printf/fprintf (stderr, standard output/standard error output directly to the log, use dup2: #include Redirects standard output to the specified

Find files ending in. txt in the/apps/tomcat/tomcat3/apache-tomcat-7.0.69/logs directory, search for the keyword ifcmpecrservice in the file and print the line numberFind /apps/tomcat/tomcat3/apache-tomcat-7.0. the ' *.txt '| Xargs grep " Ifcmpecrservice "The result is as follows, the first column is the second column of the file is the line numberYou can view the file