cheap vps server linux

Linux Default login mode is the account and password login, if you change to use a key to log in will be relatively safe, but the key to landing a good and bad, want to login VPS must carry a key file, if modified the default root username also need to modify the corresponding corresponding relationship is more cumbersome.Okay, here's how to log in with a key. Preparatory work: mkdir. SSHTouch/root/.ssh/a

VPS Linux Centos6.3 build a VPN (pptpd) Server 1. find the software package: Run wget http://poptop.sourceforge.net/yum/stable/packages/pptpd-1.3.4-2.el6.x86_64.rpm in Centos System (it seems sourceforge.net this I can not open this campus network, or OpenShift to download) 2. check System Support and install the ppp and iptables package. The latter is usually in

1755Mms_time_out 300Rtsp_port 5540Rtsp_time_out 300Manage_port 8822Manage_time_out 300Log_model UserLog_level 0log_rotate {0 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23 * * *}Log_close_msg onMem_min_cache 50mMem_max_cache 12mDisk_min_cache 20mDisk_max_cache 30mUse_disk_cache offRefresh NeverRefresh_time 300User_time_out 0Mem_cache 50mDisk_cache 100mMAX_DENY_PER_IP 0Max_queue_thread 15Min_limit_speed_size 1mLimit_speed 20kMax_request 50Total_seconds 10Bind_addrRun_userInsert_vi

We need to do some basic security when we have a VPS or server that has a Linux system open. First, turn off the SSH password login First, you need to have your own SSH Key, if you use the Windows system, you can use the Putty under the Puttygen. EXE generates private key and public key. The first step is to run Puttygen. Exe In general, we choose the defau

We need to do some basic security when we have a VPS or server that has a Linux system open. There are probably several areas:1. Prohibit root account ssh, use custom account ssh;This way, the hacker must first guess the account number, then can guess the password;2. Prohibit account login, use PubKey login;3. For IP ACLs, allow only a few specific IP access;4.

) in the creation of the site will be FTP, MySQL has been created, so you can see the FTP has an account, if we need to create a look at the map alone to create users and point to the specified directory. 3. Create MySQL Database Similarly, we can set up database users individually, or the site database is added when adding sites. 4. File Manager The role of the file manager is relatively large, you can directly package the panel, extract files, improve efficiency. 5, fire

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This afternoon, the site two times the machine, the dispatch to Aliyun, found that the reason is the server's CPU 100%. After restarting the server, use the top command to see which processes are consuming so much CPU usage. Stare at a good more than 10 minutes, the main CPU-consuming process has two, one is MySQL, the other is Apache. As you can see from the figure below, MySQL takes up a lot of CPU usage. Apache single Process Although not much, bu

Based on the NTP network pair, Java code The code is as follows: #date-R November 18, 2012 Sunday 19:33 23 cstlinux The tool for using network pairs under the system is ntpdate, and if Ntpdate is not installed, ntpdate must be installed: under CentOS: Java code The code is as follows: #yum-y Install ntpdate NTP Under Debian or Ubuntu: Java code #sudo apt-get install-y ntpdate ntpntpdate After installation, you can use Ntpdate to update the Linux