Linux

The scripts we use to monitor memory are found in the Nagios market, in the GitHub warehouse of the creator. Assuming we have Nrpe installed, we first download the script on the server we want to monitor. Preparing a remote server In the

The knowledge that you want to understand Linux port mappings is actually very simple. So now let's take a look at the mystery of it! 01 Ssh-c-G root@127.0.0.1-l 5000:61.235.139.123:5000 02 03 #输入机器的root密码 04 05 #后台执行: 06 Ssh-c-f-n-G root@1

The proc virtual file system has a number of named subdirectories below that represent the number of processes currently running on the system; The open file descriptor is saved under the/PROC/N/FD directory, pointing to a link to the actual file.

Umask are usually given permissions when you create a directory or file initially. Here are two points to note: 1, for the directory X permission representative can enter the directory, so that the initial assignment of this permission is no

Introduction to the Linux platform network phone Skype Alpha feature Microsoft today released a brand new version of Skype for Linux users--linux Skype Alpha, the first new edition of the Linux version of Skype in 2014 years. After this update,

In a Linux system, it's a waste of time and space to install fedora in a traditional way, so what's the easy way to install fedora? In fact, using BFO can quickly install Fedora, The following small series for you to introduce the Linux use BFO

1. Modify the system time the Linux system clock has two, one is the hardware clock, that is, the BIOS time, is the time we see in the CMOS setting, the other is the system clock, is the Linux system kernel time. When Linux starts, the system

Whether you're using a desktop computer or a laptop, one of the key points of attention is how to protect your valuable data. Because there will always be a variety of unexpected situations to make your system collapse, then you have to do is to

Guide Figuring out how Linux programs work is an important thing, and it's a solid foundation for our further development. This article will explain in detail how to run a Linux program through an example. I hope it is helpful for everyone to

This blog post self-informed answer: Linux linear address, logical address and virtual address of the relationship?In order to prevent ambiguity, the following terms are used in English. Some of the terms are not explained, otherwise the answer will

ZipZip is probably the most used document compression format. Its greatest advantage is in the use of different operating system platforms, such as Linux, Windows and Mac OS. The downside is that the compression ratios are not very high, and tar.gz

PrefaceI am now in the development of Android, but also in an information security company. The company's main is to do in the virtual machine running products, and the cloud computing, thought is to go to the cloud computing. Self-feeling mobile

Transferred from: http://blog.csdn.net/aoshilang2249/article/details/486561071. Download VMwareConnect to address http://www.vmware.com/products/workstation/workstation-evaluation and download the Linux version of VMware. My download

Recently from the official website kali Linux vmware download installed import into Vmvare, Apt-update && apt-disupgrade after the upgrade, does not start normally.Found a solution on the Kali website:Apt-get install git live-build cdebootstrapgit

1. Configuration Linux client Mail Sending functionSet From=1665***[email protected]Set smtp=smtp.qq.comSet Smtp-auth-user=1665***[email protected]Set Smtp-auth-password=yslsnzvgqqtadhee QQ mailbox Authorization code, need to turn on POP3 and SMTP

Here we mainly describe the status of the process, the status of the process can be viewed through/proc/pid/status, or can be viewed through the/proc/pid/stat. If you talk about tools, you can see the process information. Here we go through the/proc/

Linux CD commands can be said to be the most basic Linux command statements, the other command statements to operate, are based on the use of the CD command. CD commands are relatively simple, but there are some tricks that are worth learning.

NTP Introduction: NTP is the Network Time Protocol (PROTOCOL), which is the protocol used to synchronize the time of each computer in the network ;In NTP, time is defined to propagate at the level of the server, and all servers are classified into

Precmd: 6: job table full or recursion limit exceeded, precmdrecursion When the 10999isoforms.quantification.txt file is downloaded using the GDC Data Transfer tool, a small shell loop script is written: Cat all_id_file | while read iddoecho $

Linux basics-use shell scripts to implement automatic monitoring of system services, linuxshell Purpose: To monitor whether the nginx and nfs services in the cluster are running normally. If any service is abnormal, an email is sent to the