Linux has three types of users: 1: Super User root has all the permissions UID value is 02: ordinary user: With limited operating system permissions UID500---600003: pseudo User: to facilitate system management and meet the requirements of the
Ifconfigeth0 new ip then edit/etc/sysconfig/network-scripts/ifcfg-eth0, modify ip 1, modify ip address [aeolus @ db1network-scripts] $ viifcfg-eth0DEVICEeth0ONBOOTyesBOOTPROTOstaticIPADDR219.136
Ifconfig eth0 New ip
Then edit/etc/sysconfig/network-
I. DNS basics [DNS system (server) working principle and attack protection methodology] DNS: DomainNameSystem, domain name resolution server, its role on the internet is to convert a domain name into an IP address that can be recognized by the
Vicommandvia.txtuse the vieditor to edit a.txt. if it does not exist, an empty file is created. the default mode is normal. --- a (after the cursor) I (before the cursor) r (replacing the cursor character) o (next line) A (end of line) I (beginning
The default PS1 & quot; [\ u @ \ h \ W] \1 & quot; parameter settings of PS1 in fc, where \ W is the path setting option, W in upper case is the description mode, and w in lower case is the full path mode. if you change it, the PS1 & quot; [\ u @ \
Compile # decompress the program to compile and install makemakeinstall2) edit the configuration file vi/etc/rinetd. conf59.33.120.3680192.168.0.7280allow59.33.120. * logfile/var/log/ri...
1) install the software rintedDownload rinetd.tarTar xvzf
The setuid and setgid methods are chmod4755program and chmod2755directory. Theoretically, all processes triggered by starting a program should belong to the user of the file. Therefore, setting chmodo + xprogram alone is not enough because it may
1. check whether webshell Trojans are placed in the root directory of the site. determine if they are PHP Trojan scripts based on the statement # find/storage/www/-name & quot ;*. php & quot; | xargsgrep-in -- color & quot; eval (& quot; # grep-I --
Command description doscommand Linux command Copy file copycp transfer file movemv list file dirls clear screen clsclear close Shellexitexit display and set date datedate delete file del/rmrm display output on screen echoec...
Command
When a ctor receives a incoming request and finds that it accesses a cluster service, it selects a backend server node to respond to the request according to a certain standard, this selection mechanism is the lvs scheduling algorithm. (1) Static
1. the default desktop icon in Ubuntu is a little small, so let's modify it! In Ubuntu system tools-Configuration Manager-/apps/nautilus/icon_view/default_zoom_level is set to small (that is, 75%). The default value is stand...
1. the default
Shell can recognize four different types of leading characters: single quotation mark character & amp; #39; double quotation mark character & quot; backslash character \ double quotation mark character '1. single quotes (& amp; #39; & amp; #39;) #
First: use the command to modify (effective immediately, restart failed) # ifconfigeth0192.168.0.1netmask00000000255.0up description: eth0 is the first Nic, and the others are eth1, eth * 192.168.0.1 is the IP address of the first Nic configured for
1: first download the corresponding software version from the official website. 2: install the required third-party library yum-yinstallgccgcc-c ++ autoconfmakelibjpeglibjpeg-devel \ libpnglibpng-develfreetypefreetype-develzlib \...
1: first
On windows, you can use a virtual machine to build the samba service for linux as follows: 1. install samba first; 2. configure the server; 3. start the server; 4. access the service in windows; procedure: install samba: 1. first use rpm-qa |
Tr is used to delete control characters in a file or convert characters. Syntax: tr [& amp; ndash; c/d/s/t] [SET1] [SET2] SET1: Character set 1SET2: Character set 2-c: complement, use SET2 to replace the character-d: delete not included in SET1, and
Replace command batch comments: Use the following command to add comments to the beginning of a specified line: Starting line number, ending line number s/^/annotator/g uncomment: Starting line number, end line number s/^ annotator/g example:
Installing the rpc. rstatd1.rpc service in linux requires the support of rsh. generally, rsh is installed. View rpm-qarsh. 2.rpc.rstatd-4.0.1.tar.gz can be downloaded directly from the attachment in this article, or from the
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