covb utilities

In the development and debugging process, need to be compared to the old and new code differences, we can use GIT/SVN and other version control tools to do the comparison. Different versions of the database table structure also differ, and we also need to compare the differences and get the updated structure of the SQL statement. For example, the same set of code, in the development environment is normal, in the test environment problems, in addition to check the server settings, but also to the

MySQLUtilities1.5alpha released MySQL Utilities 1.5 alpha | Publisher: joejoe0332 | view:14| Comment: 0 | original author: oschina | from: oschina Summary: MySQL Utilities 1.5 alpha released: http://dev.mysql.com/downloads/utilities/1.5.html MySQL Utilities provides a set of command line tools for maintaining and ma

Guava includes some core libraries used by Google in Java projects: collections, caching, primitives support, concurrency library, common annotations, string processing, and I/O. Google engineers use these tools every day during development. However, it is not the most effective method to read Javadoc by learning how to make good use of these libraries. Here, we try to introduce the most common and powerful features of Guava in a readable, easy, and pleasant way. Some parts of this wiki may not

messages[*] Support for devfs[*] Use the devpts filesystem for unix98 ptysBuild options --->[] Build busybox as a static binary (no share libs) this option is not selected, that is, the dynamic mode is used, which can save hundreds of KB of space.[*] Do you want to build busybox with a cross compiler?(/Home/BR/buildroot/build_arm/staging_dir/bin/ARM-Linux-uclibc-) Cross Compiler specifies the cross compiler path, that is, the cross compiler path built using buildroot.[*] Don't use/usr must be s

########################################### [100%] [[emailprotected] mysql]# Find/-name "libzip.so*" /u01/app/oracle/product/11.2.0/db_1/jdk/jre/lib/amd64/libzip.so / Usr/lib64/libzip.so.1 /usr/lib64/libzip.so.1.0.0 /usr/lib64/libzip.so.2.1.0 /usr/ Lib64/libzip.so.2 /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.9.x86_64/jre/lib/amd64/libzip.so /usr/lib/jvm/ java-1.6.0-openjdk-1.6.0.0.x86_64/jre/lib/amd64/libzip.so Install Workbench: [[email Protected] mysql]# Rpm-ivy mysql-workbench-commun

-covB> [file | device] partsCpio-icduvAccount Management/Etc/passwd SYSTEM account information/Etc/shadow account password information is encrypted by MD5 32-bitAdd "*" in front of the password column 『*』『! "Forbidden to use an account/Etc/group system group information/Etc/gshadowNewgrp change logon GroupUseradd adduser create new user ---------> useradd-m test automatically create the user's login directoryUseradd-m-g pgroup test ---------> specify

: Files packaged by the tar program and compressed by gzip# Compress-cr/etc# Compress-d etc. Z# Compress-cr/etc> etc. Z# Gzip/etc/man. config login man.configwill be changed to man.config.gz# Zcat man.config.gz# Gzip-d man.config.gz decompress the file# Gzip-9-c man. config> man.config.gz is compressed with the optimal compression ratio and the original file is retained.# Bzip2-z man. config# Bzcat man.config.bz2# Bzip2-d man.config.bz2# Bzip2-9-c man. config> man.config.bz2 is compressed with t

/etc.tar.bz2/etc compressed with bzip2# Tar-ztvf/tmp/etc.tar.gz# Tar-zxvf/tmp/etc.tar.gz unzip23. the dd command can not only create a file, but also be used for backup. dd can read the content of the device and then back up the entire device into a file.# Dd if = "input_file" of = "output_file" bs = "block_size" count = "number"Cpio command is a method of redirecting data streams to output/input files. it is most suitable for backup.# Cpio-covB> file

is generally under/usr/local, of course, you can also change the location of the installation on your own for specific applications./Etc/entire directory/usr/local/entire directory # data setting fileAssume that the server is WWW + MySQL:/Var/www entire directory/Srv/www entire directory/Var/lib/mysql # service-related files in one sentence3. directories that do not need to be backed up/Dev/Proc/Mnt/TmpThat is to say, other directories can be selected for backup.Ii. Backup toolsCommand column t

services chkconfig -- list -----> to list various service statuses.Ntsysv sets various services of the systemCpio backup file Compression command:*. Z compress program zookeeper case;*. Bz2 Bzip2 program zookeeper case;*. GZ gzip program upload history case;* The resources packaged by the. Tar program have not been deleted;* .Tar.gz tar program packaging example, which has passed the gzip exampleCompress filename compressed file plus [-D] uncompressGzip filename compression plus [-D] decompress

displays the modules loaded into the system Modinfo displays information about the kernel module Insmod loading Module Modprobe automatically processes the load-able Module Rmmod Delete Module Check chkconfig and set various system services chkconfig -- list -----> to list various service statuses. Ntsysv sets various services of the system Cpio backup file Compression command: *. Z compress program zookeeper case; *. Bz2 Bzip2 program zookeeper case; *. GZ gzip program upload history case; * T

Runlevel displays the current runlevel Depmod Lsmod displays the modules loaded into the system Modinfo displays information about the kernel module Insmod loading Module Modprobe automatically processes the load-able Module Rmmod Delete Module Check chkconfig and set various system services chkconfig -- list -----> to list various service statuses. Ntsysv sets various services of the system Cpio backup file Compression command:* Files compressed by the. Z compress program;*. Files compressed

home The. Tar.gz/home is backed up in home/home compared to the new files in 2007/03/01. Tar--exclude/home/cao-zxvf myfile.tar.gz/home/*/etc to back up/home,/etc, but do not/home/cao cd/tmp; TAR-CVF-/etc | tar -XVF-The/etc/is packaged and unlocked directly under/TMP without generating a file. The Tar zxvf aaa.tar.gz the unzip command. Tar jxvf aaa.tar.bz2 extract Command Tar zxvf aaa.tar.gz-c/var/www extract aaa.tar.gz to/var/www directory Cpio-covb