Linux

ObjectiveWhen Rpm/dpkg installs a package, it often has a missing dependency class error, and often chooses to ignore the dependent installation, although it sometimes solves the problem at the moment, but digs a hole for the future.It is often the

First, disk formatDisk partition can not be used directly, you need to format each partition, formatting is actually installed system files.Command mke2fs: Formatting into XFS system files is not supportedMKFS.EXT4 = = mke2fs-t ext4 two commands

Yum Install Net-tools//Installation Network Infrastructure packageYum Install NTPSystemctl Start NTPDNtpdate 10.16.42.7//Update timeService NPTD start//enable NTP servicesChkconfig--level 23456 ntpd on//NTP random startYum install NET-SNMP, net-snmp-

Update YumYum UpdateInstall Apache:Yum Install -y httpdAfter the installation is complete, restartService httpd RestartSet Apache to boot upChkconfig httpd onTo view the startup status of the HTTPD serviceChkconfig--list httpdInstall MySQL:Yum

The two Linux upgrade commands are yum upgrade and Yum Update, and the two commands are different:Yum-y UpdateUpgrade all packages and also upgrade software and system coresYum-y UpgradeUpgrade all packages only, without upgrading software and

Download OPENACC Community Edition1, the latest version so far, the platform is Linux, choose Linux x86-64. My server system is CentOSLinks: https://www.pgroup.com/products/community.htm2, after the download is completeCreate a new folder in root

[Email protected] ~]# cat/etc/login.defsPlease note that the parameters in this configuration file control Thebehavior of the tools from the Shadow-utils Componen T. None of Thesetools uses the PAM mechanism, and the utilities that use PAM (such as

Process command pstreeCentOS7 show process tree[[email protected] tmp]# pstreesystemd─┬─NetworkManager─┬─dhclient │ └─2*[{NetworkManager}] ├─abrt-watch-log ├─abrtd ├─atd ├─auditd───{auditd}

File systems for LinuxRoot file System (ROOTFS) root FileysystemLSB,FHS (Filesystem heirache Standard) file system hierarchy criteria such as:/etc,/usr,/var,/root,/home,/dev/boot: Boot file directory, kernel file (vmlinuz), Boot loader

How to learn Linux wellThis article I only explain some personal learning skills, and share some learning materials.1, to find a suitable for their own learning materialsLearning material is very important, some people will say what bird brother Ah,

In Linux, source, SH, bash,./can execute shell script files, what's the difference?-----------1. SourceSOURCE a.shReads, executes a.sh in the current Shell , and a.sh does not need to have " Execute permission "The source command can be abbreviated

Linux Pipe Source Code AnalysisThe pipe pipe, as the oldest IPC mechanism in UNIX, exists in Unix of each version number, primarily for communication between parent and child processes (using fork, so that the child process gets the open file table

Tutorial: Linux tips: Several ways to keep your process running reliably in the backgroundSearch the Internet a bit, a lot of methods, choose the most popular screenCommand reference: Http://man.linuxde.net/screen1. InstallationInstall Screen ...

Today, I see a very interesting question on the understanding:How to evaluate Microsoft senior Engineer obsessed with soft link this common concept of Linux?Although it is well-known tearing forced the king has a certain tear force, but I still want

First, Source: Why the introduction of PER-CPU variables?1. Performance issues with Lock busPrior to ARMV6 on the arm platform, the SWP and SWPB directives were used to support access to the shared memory: SWP , , [] In Rn, the memory

In linux, how does one install jdk ?, Install jdk in linux Jdk1.7 is used as an example. [Root @ localhost ~] # Yum install java-1.7.0-openjdk // After the installation is complete, the default installation directory is in:/usr/lib/jvm/java-1.7.0-

Gitlab _ Server Installation configuration and gitlab installation Configuration 1. Open the firewall port 1.Sudo yum install curl openssh-server openssh-clients postfix cronie-y 2.AddGitLabRepository and install it on the server 3.It may take a

How does one implement 4g communication on Linux and 4g communication on linux? The implementation of 4G module PPP dial-up Internet access on the ARM platform took more than a week from ignorance to development. Finally, I was very happy to see

Commonly used linux help Commands include man, whatis, apropos, -- help, help +, and whatisapropos.Linux help commands The man command uses more internally to view the Help file, so you can use some shortcut keys of the more command.When the command

Python Nmon Analyzer: keeps you away from excel macros Nginx's monitor, also known as "Nmon", is a good tool for monitoring, recording, and analyzing Linux/* nix system changes over time. Nmon was initially developed by IBM and open-source in the