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Linux process management, common signal between processes 1SIGHUP if the process is terminated, then the process 2SIGINT will be hung up from the keyboard ctrl-c interrupt process 9SIGKILL force terminate process 15SIGTERM normal terminate process 17

In Linux, add a hard disk to the virtual machine for logical volume creation and management, and view the hard disk Status. run the fdisk-l command: [root @ jerrybj ~] # Fdisk-lDisk/dev/sda: 21.4 GB, 21474836480bytes255heads, 63 sectors/track,

The common log analysis commands in linux are as follows. log content: 211.123.23.20.& amp; ndash;-[10/Dec/2010: 09: 31: 17 + 0800] GET/query/trendxml/district/todayreturn/month/2009-12-14/2010-12 common log analysis commands in linux are as follows.

Remote debugging of gdb in Ubuntu -- warning: Couldnotloadvsyscallpagebecausenoexecutablewasspecified solution 1. first install gdbserverapt-getinstallgdbserver2. compile-g program gcc-gtest_gdb. remote debugging of gdb in Ubuntu -- warning: cocould

WdOS is a simplified and optimized Linux server system based on CentOS. most of them retain centos services. DHCP (Dynamic Host Configuration Protocol) is one of them. By configuring the DHCP server, you can dynamically allocate IP addresses, subnet

You can set N users to access the corresponding database in the mysql database, N addresses to access the corresponding users, or N databases, generally, the local connection of N addresses is localhost or 127.0.0.1. by default, remote access or

Linux performance optimization 10: resource allocation planning 9: changing system default limits http://www.2cto.com/os/201307/228395.html We all know the two working modes of apache. in this section, we use the prefork mode to consider the

Talking about linux performance optimization 8: Removing unnecessary overhead talking about linux performance optimization 7: Cropping System Services http://www.2cto.com/os/201307/228390.html About linux performance tuning 7: I mentioned how to

The simple split text script was called by the teacher today to help me. a file is too large to be split. Leave a backup here. 01 #! /Usr/bin/perl-w02usestrict; 03 usewarnings; 04 # Split text file 05 # you can create folders 06 # Currently

Synchronize the new LV in the image VG in AIX, and manually mirror the LV in the VG where the image is already made. create a new LV. if NumberofCOPIESofeachlogicalpartition2 + is not selected, the created LV does not have an image, in this case,

In Linux, the simplest way to create a specific size file using the dd command is to use the dd command. DdifinputFileNameof & quot; outFileName & quot; bs & quot; block size & quot; count block count the block size can be measured in bytes (1... in

Linuxscpupload file one character input scp201207.tar.gz root@192.1001.122:/backup 2, input password: abc123 annotation: scp201207.tar.gz: file to be transmitted root: Target machine username 192.1001.122: Target machine IPbackup: file will be

Linux performance optimization 11: Memory Allocation Management 10: resource allocation planning http://www.2cto.com/os/201307/228396.html In linux, memory allocation management is mainly controlled by kernel parameters: 1. capacity-related memory

Add an app shortcut in Ubuntu 01 # switch to the shortcut icon storage directory in Linux 02cd/usr/share/applications0304 # Create a new app shortcut 05vimaptana_studio_3.20.top0607 # add the name, path, and icon, refer to other shortcuts in this

The lab uses the ubuntu10.04 virtual machine network to configure the lab and the dormitory network. I came to the lab yesterday. to use nfs, you must set up a network to access the Internet using ubuntu10.04 in the virtual machine. Guigong's

Reliable vsftpd configuration function description: 1. multiple site directories on the server Prohibit anonymous users from accessing. the system account prohibits access to the FTP service. 3. each account is restricted to the specified home

Open a specified port in linux # Disable firewall/etc/init. d/iptablesstopserviceiptablesstop # Stop Service # View firewall information/etc/init. d/iptablesstatus # Open Port: 8080/sbin/iptables-IINPUT-ptcp -- dport8080 .. open a specified port in

Ubuntu12.04Server Configuration Record 1. single NIC with single IP address (common) vi/etc/network/interfaceautoeth0ifaceeth0inetstaticaddressIPnetmask subnet mask gateway open file/etc/network/interfaces... ubuntu12.04 Server Configuration Record 1

Assume/var/log/. log is the log file of a program. its content is: 2012-07-2718: 12: 17,788 INFO [com. kmsocial. search. websearch. weiboPool: 229]-Weibopoolrunning! A script is required... assume/var/log/. log is the log file of a program. its

Program job management-background operation management 2 program job management-background operation management http://www.2cto.com/os/201303/192121.html 1. when nohup is executed in ssh, the parent process is sshd. if you do not press ctrl + c, the