nagios client linux

Configuring NTP to set up the local time server NTP is a protocol used to keep the system and a precise time source at time. in Linux, we can use the Network Time Protocol to keep our system accurate. install: # Yum install NTP or find the ntp rpm package from the installation disk. when you only have one server that can be connected to the Internet, add # crontab-e to a line: */15 * ntpdate 210.72.145.44 210.72.145.44 is the address of the China Nati

General modifications two places can solve this annoying problem1. Echo $TMOUTIf blank is displayed, it means that there is no setting, equal to using the default value of 0, and should normally not time out. If it is greater than 0, you can set it to 0 in a file such as/etc/profile.2, modify the/etc/ssh/sshd_config file , the Clientaliveinterval 0 and Clientalivecountmax 3 of the annotation symbols removed, Change the clientaliveinterval corresponding 0 to 60,clientaliveinterval specifies the t

These two days, in the Win7 64bit system, installed 10g client, how not even on the Linux Oracle server, engaged in two days, and finally do well. To sum up, there are two aspects of experience, one is Oracle uninstall, and the other is the client configuration need to pay attention to the place. After the normal uninstall, you also need to clean up the followin

Tags: pos sequence kill com Ali rest image Src LinFirst step: Run the command yum install tigervnc-server-ySecond Step: Install TelnetThird step: Run Vncserver, create desktopVncserver-kill:1 Delete the number of the desktop 1Server Test Port 5901Testing under WindowsThe telnet command does not exist when the client tests port 5901 on the connection serverFirewall command operation: Firewall-cmd--zone=public--add-port=80/tcp--permanentRestart Firewall

I recently used a 115 online storage disk to download something. It was initially a 12 m optical fiber, and the data written to the disk every second was kept around 1 ms. I was so scared to upgrade to 115 m optical fiber two days ago and then open the online storage, the HDD lights on the host are constantly on. Does this product give fsync every time after receiving the buffer? The strace artifact finds that there is no fsync, that is, the cache is disabled when the file is opened. Recently,

Good news: in linux, the network TV nslive has a graphics client download-Linux general technology-Linux technology and application information. The following is a detailed description. Decompress the package and use the nslive command line version! : Http://www.newseetv.com/soft/gnslive-0.1.0.tar.gz Instructions

1. Display the contents of the Demo1 file on the screen via Java.net.URL1 PackageHdfs;2 ImportJava.io.InputStream;3 ImportJava.net.URL;4 Importorg.apache.hadoop.fs.FsUrlStreamHandlerFactory;5 Importorg.apache.hadoop.io.IOUtils;6 7 Public classJardemo {8 Static{9Url.seturlstreamhandlerfactory (Newfsurlstreamhandlerfactory ());Ten } One Public Static voidMain (string[] args) { AInputStream in =NULL; - Try { -in=NewURL (args[0]). OpenStream (); theIoutils.copybytes (in, Syste

Install linux basic Edition Software The redhat5 Software Package uses Yum management, so you need to connect to the Internet if you need to add software. to install the software from a CD, follow these steps: 1,Attach a cd Create the directory mkdir/home/demo/rhel5 Mount disk image file Mount-o loop rhel-server-5.4-i386-dvd.iso/home/demo/rhel5 Or use a cdMount/dev/CDROM/home/demo/rhel5 2,YumSet Ø CD/etc/yum. Repos. d Add a local. Repo

Install the oracle client in linux 1. Prepare the required installation package. Oracle-instantclient-basic-10.2.0.5-1.i386.rpmOracle-instantclient-devel-10.2.0.5-1.i386.rpmOracle-instantclient-jdbc-10.2.0.5-1.i386.rpmOracle-instantclient-sqlplus-10.2.0.5-1.i386.rpm Install oracle-instantclient-basic-10.2.0.5-1.i386.rpm first, install other 2. Create users, groups, and directories [Root @ wxcs-2 oracle] # g

management cost.Support autonomous reconfiguration of complex application systems in the face of new application goals and changing environmentsSupport Self-diagnosis and recovery of complex application SystemsSupport autonomous optimization of complex application SystemsSupport for autonomous protection of complex application systemsHigh AvailabilityProvide secure, trusted information servicesSupports large-scale concurrent client accessProvides mor

=INET_ADDR (SERVER_IP);//Server IP AddressLocal_addr.sin_port=htons (Server_port);//Server port number intBind_result = Bind (FD, (structsockaddr*) local_addr,sizeof(structsockaddr)); if(Bind_result 0) {cout"Bind Error in main ()"Endl; return-1; } cout"bind_result="Endl; //---------------------------------------------Listen (FD,Ten); structsockaddr_in remote_addr; intSin_size=sizeof(structsockaddr_in); cout"before accept"Endl; intNEW_FD = Accept (FD, (structsockaddr*) remote_addr, (socklen_t*

you can view the dynamic log. CTRL + C exit6. Cope folder inside the server, enter the corresponding directory and enter: Cp-r Original file target file7. Delete a file directory (if you change-R to-rf, you will not be confirmed every time): Rm-r target file8. Delete a file directly (you will be prompted to delete when performing the deletion, enter: Y for confirmation); RM target File9. Open an editable file: Vim Server.xml will open the contents of this file in the terminal, but this time can

locally " Delete 1.txt " 1. txt # and then commit to the SVN server to really deleteHow to view the change log:[[email protected] myproject]# SVN log # View change log (from bottom to top) ------------------------------------------------------------------------R2| User1 |2018- ,-Ten -: ,: ++0800(Fri,TenThe2018) |1Linedelete1. txt------------------------------------------------------------------------R1| User1 |2018- ,-Ten -: on: to+0800(Fri,TenThe2018) |1Lineadd1. txt---------------------

Article Title: tasque: RTM client on linux. 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. RTM, remember the milk is one of the most popular websites to be done online. If you are

Every time you log on to the server, you have to enter your username and password, which is troublesome. Therefore, you may want to use a specified user to log on automatically. Collect the information on the Internet: Tools: Putty Puttygen Steps: 1. Use puttygen to generate an SSH2 RSA key and save the key file as authorized_keys; 2. Upload the content in "Public Key for pasting into authorized_keys file" in puttygen to the remote server ~ /. Ssh/authorized_keys file; 3. Set Putty: Connection/s

Symptom: You cannot log on from a common user on a Linux machine. It takes a long time to log on and cannot log on, When you manually mount the/home directory of the NIS server, the following error occurs: Do_ypcall: clnt_call: RPC: unable to send;Errno = network is unreachable do_ypcall Check and find that this machine is an NIS client machine. Solution: Start services related to the NIS server. /Etc/init.

Linux XMPP server Tigase (Spark client test), xmpptigase Tigase is an XMPP server developed based on Java. Similar to Openfire, Tigase can be used to build an Instant Messaging (IM) platform. 1. Preparation Before installing Tigase, you must first prepareJava environmentAndDatabase (MySQL is used in this article). Tigase download: https://projects.tigase.org/projects/tigase-server/files Download:Tigase-ser

Bypy-Python client of Baidu cloud/Baidu Network Disk : Https://github.com/houtianze/bypy Copyright 2013 Hou Tianze (GitHub: houtianze, Twitter: @ ibic, G ++: + TianzeHou) This is a Python client of Baidu cloud/Baidu Network Disk. The main purpose is to use 2 TB of Baidu cloud disk in Linux (command line. For example, you can use it on the Raspberry Pi. It provide

Using mutt + msmtp as the linux Mail Client these days, the leaders asked me to deploy a script written by the Development Department, and sent the attachment generated by the script to his mailbox via email. Let's get started, because the mail command has been used to send emails, but this time it won't work. Because the attachment is required. Someone told me that the mail command can contain attachments,

Install Oracle 10g client for Linux under fedora6 1. Ignore system check./Runinstaller-ignoresysprereqs 2. The error message "libxp. so.6" is missing.Yum-y install libxp. so.6 Run again. OK. The installation page is displayed. 3. Oracle 10g does not support Chinese characters by defaultChange Lang in/etc/sysconfig/i18n to EN during installation. 4. Oracle client