. If you use the top command with the "u" option, the detailed information of the specific user process is displayed, as shown below. Simply press "O" (in upper case) to sort it as you want. Press "q" to exit the top screen.
# Top-u tecmint
Top-11:13:11 up, 2 users, load average: 0.00, 0.00, 0.00
Task: 116 total, 1 running, 115 sleeping, 0 stopped, 0 zombie
Cpu (s): 0.0% us, 0.3% sy, 0.0% ni, 99.7% id, 0.0% wa, 0.0% hi, 0.0% si, 0.0% st
Mem: 1030800 k total, 736188 k used, 294612 k free,
1. What is the command to get an IP address automatically? Do you know under what circumstances your Linux can automatically obtain an IP address?A: (1) Use the Dhclient command in Linux to obtain an available IP address from the DHCP server(2) First, the need to activate the network card eth0; second, if Linux is a virtual machine, then you need to set up the network of the virtual machine is bridgedMode or NAT mode, the bridge mode must automatically obtain an IP address in case the network ad
What is SSH?SSH (Secure Shell) is a secure communication protocol, which is mainly used to realize remote login of character interface and other functions. OpenSSH is an open source project that implements the SSH protocolWhy do you learn ssh, and what is the difference between it and other remote protocols?The SSH protocol encrypts the data transmitted by both parties, including the user password entered when the user logs in. The SSH protocol provides better security than earlier Telnet, RSH,
When you start the SSHD service, you are quoted as an error message: Reference #/USR/LOCAL/SBIN/SSHDCould not load host key:/usr/local/etc/ssh/ssh_host_rsa1_keyCould not load host key:/usr/local/etc/ssh/ssh_host_rsa_keyCould not load host key:/usr/local/etc/ssh/ssh_host_dsa_keyDisabling Protocol version 2. Could not load host keySshd:no Hostkeys available--exiting.
First, the cause of the failureAs you can see from the hint, the problem occurs because
.?? Fg?jobsnum: The specified process is recalled to the foreground.6. Common signals?? 1?: Reload the configuration without stopping the process.?? 2?: Clears the data in memory of the process.?? 3: Clear the mouse data in memory.?? 9: Forcibly ends the process and cannot be blocked.?? 15: Normal shutdown process.?? 18: Run a stopped process.?? 19: Pause the process and cannot be blocked.?? 20?: Pauses the process.? related commands?:?? Kill signal PID?: Sends the signal to operate the PID corr
Number offiles:279 Number ofAVC ' S:0number ofMAC events:0 Number ofFailed syscalls:994 Number ofAnomaly events:0 Number ofResponses to anomaly events:0 Number ofCrypto events:0 Number ofKeys:2 Number ofProcess ids:1211 Number ofevents:5320Aureport-lAureport-l-ts 14:00-te 15:00-if myfile #对于myfile的log文件, the user login information from 14:00 to 15:00 is counted. Loginreport ============================================# Date Time Auid host term exe success event===== ========================
1208 ? S Jan28 23:41 /usr/bin/icnankerroot 26595 0.0 0.2 61364 1224 ? S Jan28 0:00 /usr/bin/.sshd(...)First, I have not installed apache. The name such as apache2.sh is too suspicious.
Second, the name of the. sshd process is even more suspicious. the sshd daemon is sshd, which is too
First, go to linux Through the physical terminal, and manually check ssh to find that it is not running./Etc/init. d/sshd statusSshd is stopped
Manually start the service and report permission errors./Etc/init. d/sshd startStarting sshd:/var/empty/sshd must be owned by root and not group or world-writable.[FAILED]
Ru
--SSH service/Etc/init. d/sshd -- sshd service startup script[Root @ Li ~] # Netstat-ntlup | grep sshdTCP 0 0: 22: * Listen 2804/sshdVim/etc/ssh/sshd_config -- configuration fileCP/etc/ssh/sshd_config/etc/ssh/sshd_config.bak -- make a backup# Port 22 -- the default port is 22.# Protocol -- the Protocol version is now 2Protocol 2# Addressfamily any# Listenaddress 0.0.0.0 -- the listening address range. The d
/local/bin, and sshd will be installed in/usr/local/sbin, sftp-server is installed in/usr/local/libexec/sftp-server, and the configuration file is in/usr/locale/etc./Configure -- sysconfdir =/etc/sshMakeMakeinstall
4. Compare and install the default and current configuration files. Make sure to modify some important parameters.Diffsshd_config/etc/ssh. bak/sshd_config
5. Recommended Configuration File Settings
Check whether the/usr/local/libexec/sftp-s
Networking_ipv6=no HOSTNAME=xxx (host name)(3) Restart effective, under terminal can see the hostname has been rid of.7. To open the SSH service, proceed as follows:(1) Open terminal, type the command Su, enter the root password.(2) First check whether Openssh-server has been installed, the command is as follows:Rpm-qa |grep SSHIf it is not installed, type the command and wait for it to complete:Yum Install Openssh-server(3) After the installation of the/ETC/INIT.D directory will be added to a
What is a PHP reflection class, as its name suggests, can be understood as a mapping of a class.
As an example:
Class Fuc {//define a category
static function EC () {
Echo ' I am a class ';
}
}
$class =new reflectionclass (' fuc '); Create a reflection class of fuc this class
Echo $class; Output this reflection class
class [Class A] {@@ f:phpwebmyphptest.php 23-30-constants [0] {}-static properties [0] {}-static methods [0] { }-Properties [0]
\liqingshan>jstat-gc 16744 s0c s1c s0u s1u EC EU OC OU MC MU ccsc ccsu ygc ygct FGC fgct GCT512.0 512.0 0.0 64.0 24064.0 18288.8 87552.0 764.1 4864.0 2709.6 512.0 294.8 711 0.234 0 0.000 0.234
S0C: Capacity of the first survivor in the Cenozoic (bytes)
S1C: The capacity of the second survivor in the Cenozoic (bytes)
S0U: The first survivor in the
StatisticsC:\Users\Administrator>jstat -gc 2060 S0C S1C S0U S1U EC EU OC OU MC MU CCSC CCSU YGC YGCT FGC FGCT GCT20480.0 20480.0 0.0 13115.3 163840.0 113334.2 614400.0 436045.7 63872.0 61266.5 0.0 0.0 149 3.440 8 0.295 3.735
1
2
3
1
2
3
S0C: The size of the first surviving area
S1C: The size o
Origin:http://blog.chinaunix.net/uid-28458801-id-3576608.html
Reproduced from: http://hi.baidu.com/asmsky/blog/item/7290d20076cab6da277fb5b8.html
One, there is only one standard.
In the assembly language level, when declaring variables, there is no signed and Unsignde, the assembler all, the integer literal you entered as a signed number of symbols processed into the computer, only this one standard. The assembler does not distinguish between a symbol and a symbol and then uses two criteria
Community The ServerSide news release information:
The Java Community Process (SM) (JCP SM) program announced today's final results of its fifth annual Executive Committee (EC) member elections.
The final phase of the JCP EC member elections completed on November and the winners two:
-Ratified Seats:apache, Borland, and Nortel Networks, for the Se/ee EC; NTT D
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