crossover linux full

SOLR introduces SOLR roleSOLR is a high performance, using Java5 development, based on Lucene Full-Text Search server. At the same time, it is extended to provide a richer query language than Lucene , while it is configurable, extensible, and optimized for query performance, and provides a complete functional management interface, a very good Full-Text search engine . SOLR downloadhttp://archive.apache.org

One day my Linux machine suddenly full of disk, using the DF command to view/DEV/SDA1 184G 184G 0 100%/View the size of each directory by using the command in the root directoryDu-h-X--max-depth=1, and found that all the directories added up to only 20G. Look at the Inode node, no problem.Use the lsof command to see if a deleted file is still being consumed by the programlsof | grep ' (deleted) ', and has b

Today on Linux using vim edit file save times the following error E514:write error (File system full?) Looking at the error, the disk is full, so use DF-HL to view the disk usage $ sudo df-hl filesystem Size Used avail use% mounted on /dev/mapper/vg_myserver-lv_root 50G 43G 4.6G 91%/ tmpfs 7.8G 268K

command, RC or pl An9 Shellrev = reverserm = Removern = Read Newsroff = runoffrpm = RPM Package Manager = RedHat Package Managerrsh, Rlogin, Rvim in r = REMOTERXVT = Our xvtsed = Stream Editorseq = Sequenceshar = SHell ARCHIVESLRN = S-lang rnssh = Secure SHe Llssl = Secure Sockets Layerstty = Set ttysu = Substitute user or Switch user (the former is more common) sudo = Superuser/substitue user dosvn = Subversiontar = Tape archivetcsh = Tenex c shelltee = t (T-shaped water pipe interface) Telnet

Recently ready to do Nokia Symbian,maemo under the touch screen development. Considering the cross-platform portability of the program, the final choice is to use Qt development. Relatively speaking, the domestic Qt related documents are not much. The author will compile and install Linux under the Qt full process summary, only hope that can be convenient for more friends!1. Get Source codeSRC Official webs

Make Linux system resolution larger in virtual machines Often with virtual machines, and most people use virtual machine is almost green version, because the green version of the time is not installed with virtual tools, the use of Full-screen display time is not very convenient, and adjust the system resolution, only 2 of the choice is 800*600, as shown: The other is the resolution of the 640*480, the

name": Find File (* file name *--fuzzy query) "Query by file name" Find Path-size +90m | Xargs ls-lh "Query by Size" Touch Path/File name: Create file RM File: Delete file (dangerous!) ） Tar zcvf name. tar.gz file 1 File 2 ... : Package A file FREE-M: Viewing server memory usage IP A: View current IP Address Useradd User name: Create user Chown. Genus Group file name: Owner and owner of modified file r--Read permission (4) w--Write permission (2) x--Execute permission (1)-—— n

Install the full version of MySQL source code in Linux Install MySQL in Linux, usually by using RPM and source code. For the production environment, you need to customize the installation path, data file location, Character Set, and supported storage engines by using the source code for installation. I have written an article about source code installation. in

Article title: Linux kernel module detachable full Guide (medium ). Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. 　　 Part 2 get better 　　 　　 2.1 How to intercept system calls 　　 N

Full-stack Python development-Linux Command learning and pythonlinux command Linux-everything is a file Pwd: view the current directory '/': Root directory Cd: Switch the directory eg. cd/to the root directory Ls: Check that the current root directory contains several disks and files. Ls-l: View Details (the first character is d --> directory) Ls-lh: user

, locate the Tomcat log file.It can be judged that the 17G file is in the current directory (Tomcat log directory) file.Third, how to locate the largest fileInput command: LS–LHS to show files in order from large to smallThe final location file is: catalina.out this log file.Iv. confirm that the file is not occupiedDelete Files who will: Rm–f catalina.out However, it is a good idea to confirm that you want to download it and let the developer analyze the log.Hard to find the file, deleted very h

Linux constructs a test environment with full disk space. It uses the ramdisk Of The suse operating system to mount the virtual disk partition, and then fills up the virtual disk partition to meet the condition that the disk is full. Www.2cto.com ramdisk is a memory block device that comes with the operating system, you can use ls/dev/ram * to list the devices. #

Linux full-network backup projectRequirements1. Basic Backup requirementsIt is known that the host names of 3 servers are web01, backup, NFS01, and the host information is shown in the following table:Server Description External Network IP (NAT) Intranet IP (NAT) host nameNginx Web server 10.0.0.8/24 172.16.1.8/24 web01NFS Storage Server 10.0.0.31/24 172.16.1.31/24 nfs01Rsync back up server 10.0.0.41/24 172

after recompilation. Here the picture is ready ... 2. Modify Kernel configuration options (1) Device Drivers---> Graphics Support---> [*] Boot Logo---> [*] Standard 224-color Linux logo Support Kernel logo (2) Device Drivers---> Graphics Support---> Console Display Driver Support---> The item cannot be displayed on the s

not use RM directly delete, before the removal of the best to confirm that the file is not used;You can see that the log file has been emptied by us. This time we use the DF command to see if the space is freedThis is when we find that space is released;Sometimes we find that the space is still not released after deleting the large file, which is often because the large file being deleted is occupied by a process, we can see which process is occupying the file by lsof |grep "deleted" and then r

DATABASE Firstdb;Mysql> Grant all on firstdb.* to Firstdb identified by ' Firstdb 'User Firstdb is created automaticallyMySQL default is localhost, the corresponding IP address is 127.0.0.1, so you log in with your IP address will be wrong, if you want to use your IP address to log in the first authorization with the grant command.Mysql>grant all on * * to identified by "123456";Description: Grant and on are various permissions, for example: Insert,select,update, etc.On after is the database na

Article Title: Install postfix-based full-featured email server on linux (3 ). Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. 3. apache configuration Extmail must change the identi

Article Title: full introduction to Linux tape drive backup. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. 1. Determine the data backup policy First, you must determine which file

Linux full-text search and replacement-general Linux technology-Linux technology and application information. The following is a detailed description. Searching and replacement are common operations. The tips described here can help you easily complete a large number of repetitive and tedious tasks. Describe with

When linux memory is full or the usage mechanism is used up, it is often said that wdcp occupies a lot of memory, or the memory is used up, will it be suspended? You can say, don't worry, there will be no problem when it is used up, because it is useless or useless at all. In rare cases, it is actually used up. There may be problems. How can we determine whether it is actually used up? In the background of