Linux

Linux 15th day: (August 29) Linux Advanced File System ManagementChapter ContentSet File system quotasSetting up and managing soft raid devicesConfiguring logical VolumesSetting LVM SnapshotsBtrfs File SystemConfiguring the quota

additional hard disk space for LVM disks under LINUX1, add a new hard disk to the client2, restart the client3. View entire disk space with fdisk-l#fdisk-Ldisk/dev/sda:34.4 GB, 34359738368 bytes255 heads, Sectors/track, 4177 cylindersUnits =

Timed synchronization of time to NTP service and loggingFirst, create a log file:[[Email protected] ~] #touch/var/log/upclock.log//Create update log file[[Email protected] ~] #chmod 740/var/log/upclock.log//Modify Permissions[[Email protected] ~]

As the upgrade/boot partition becomes more and more full, the reason for subsequent inability to upgrade is because each upgrade may upgrade the kernel but the old kernel is not deleted, which causes/boot to growThe solution is to remove the

Linux Operations Engineer, this top-down, on the Internet market leader, so many young people are admiring. Internet security is crucial for many companies, and many internet companies have been attacked over the years, which can be seen as key to

Linux Performance ViewOne, server configuration viewCpu:Number of physical CPUs:[Email protected] ~]# Cat/proc/cpuinfo | grep "Physical ID" | Sort | Uniq | Wc-lThe number of cores in each physical CPU (that is, the number of nuclei)[Email protected]

The first problem encountered is not: Error-mpdf requires mb_string functions. Ensure. PHP is compiled with Php_mbstring.dll enabled.There is no problem in the Windows environment, and it is encountered under deployment to Linux. The solution is to

JDK Download: http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html1. Installing the RPM softwareRPM-IVH--prefix=/usr/local /home/pas/xxx.rpm2. Copy and paste: yy, p3. Delete: DD4. Find/back? Forward, n continue to

OverviewThis article provides a brief introduction to swap and how to set up or adjust the swap partition after the system has been installed (in operation).The demo environment in this article is:650) this.width=650; "style="

Crond is a daemon that is used to periodically perform certain tasks or wait for certain events under Linux, similar to Scheduled tasks under Windows, when the operating system is installed, the Service tool is installed by default and the Crond

Ext.: http://blog.csdn.net/songyang516/article/details/67582561 redirects1.1 Redirect Symbol> Output redirected to a file or device overwriting the original file>! Output redirected to a file or device forcing overwriting of the original file>>

awk Learning Note awk syntax formatawk ' {pattern + action} ' {Filenames}awk roleThe most basic function of awk is to browse and extract information in a file or string based on the specified rules, and awk extracts the information before other

so files are shared libraries in Linux, similar to DLLs under Windows. The functions in the so file can be called by multiple processes, providing the maximum possible reuse of binary code. Shared libraries can make maintenance of your code much

 Linux Delete directory is very simple, many people are still accustomed to use rmdir, but once the directory is not empty, it fell into deep distress, now use the RM-RF command.Direct RM is available, but add two parameters-rf that is: RM-RF

What is the difference between GCC and g++?Both are compilers, generally use GCC to compile C files, g++ to compile CPP files, in fact, GCC can also compile C + + files, but at the time of the link, GCC will not actively connect C + + library. 2

Linux kernel from principle to code detailed training video Linux kernel source reading and practical walkthrough [7.10] [US-River Data release group @aipepsi] [Linux kernel analysis Video Tutorial] Smelting number into gold Linux kernel quest

Define: Each file has 9 access rights and can be divided into 3 categories: Mark Meaning S_irusr User Read S_iwusr User Write S_ixusr User execution

1. Red Hat 6.5 steps to turn off the firewall:(1). Close Iptables:chkconfigIptables off(2). Close SELINUX, double-click Open, Etc/stsconfig/selinux file, modify "Selinux=disabled", save exit.(3). Restart2.linux boot process: post---MBR boot----GRUB

Tomcat8 localhost + port can access the Manager APP, but IP + port cannot be accessed. tomcat8localhost The localhost + port can access the Manager APP normally, but the IP address + port cannot access the Manager APP. The error 403 is returned. (My

Linux-Apache + Mysql + PHP + PHPWind (Key Apache + PHP integrated environment), apachemysqlphp integrated Organize Apache + Mysql + PHP + PHPWind (Apache + PHP integrated environment) I. Brief Introduction: 1. CentOS on VM 2. Install all yum (the