Nchịkọta iwu usoro ozi Linux

Linuxiwu nlele ozi sistemu

(Sistemụ)

uname -a
# Lelee ozi kernel/OS/CPU

head -n 1 /etc/issue
# Lelee ụdị sistemụ arụmọrụ

cat /proc/cpuinfo
# Lelee ozi CPU

hostname
# Lelee aha kọmputa

lspci -tv
# Depụta ngwaọrụ PCI niile

lsusb -tv
# Depụta ngwaọrụ USB niile

lsmod
# Depụta modul kernel juru

env
# Lelee mgbanwe gburugburu ebe obibi

【akụrụngwa】

* Akwụkwọ: https://help.ubuntu.com/

mgbọrọgwụ @ ubuntu-512mb-sfo1-01: ~# free -m
echekwabara mkpokọta n'efu na-echekwa nchekwa
Nọmba: 494 227 266 0 10 185
-/+ nchekwa/nchekwa: 31 462
Gbanwee: 0 jụọ 0 0

mgbọrọgwụ @ ubuntu-512mb-sfo1-01: ~ # grep MemFree /proc/meminfo
MemFree: 272820 kB

free -m
# Lelee ojiji ebe nchekwa wee gbanwee ojiji

df -h
# Lelee ojiji nkebi ọ bụla

du -sh <目录名>
# Lelee nha akwụkwọ ndekọ aha akọwapụtara

find . -type f -size +100M
# Chọta faịlụ karịrị 100M

find . -type f -print |wc -l
# Gụọ ọnụ ọgụgụ nke faịlụ na ndekọ ugbu a

grep MemTotal /proc/meminfo
# Lelee mkpokọta ebe nchekwa

grep MemFree /proc/meminfo
# Lelee ọnụọgụ ebe nchekwa efu

uptime
# Lelee oge na-agba ọsọ sistemụ, ọnụọgụ ndị ọrụ, ibu

cat /proc/loadavg
# Lelee ibu sistemu

【Disk na nkebi】

mount | column -t
# Lelee ọkwa nkebi agbakwunyere

koodu> fdisk -l

# Lelee akụkụ niile

swapon -s
# Lelee akụkụ mgbanwe niile

hdparm -i /dev/hda
# Lelee akara diski (naanị maka ngwaọrụ IDE)

dmesg | grep IDE
# Lelee ọkwa nchọpụta ngwaọrụ IDE na mmalite

【 netwọk】

ifconfig
# Lelee njirimara nke oghere netwọkụ niile

iptables -L
# Lelee ntọala firewall

route -n
# Lelee tebụl ngagharị

netstat -lntp
# Lelee ọdụ ụgbọ mmiri niile na-ege ntị

netstat -antp
# Lelee njikọ niile etinyere

netstat -s
# Lelee ọnụ ọgụgụ netwọkụ

【usoro】

cat /proc/sys/kernel/threads-max
Lelee ọnụọgụ eri kachasị nke sistemu kwere

cat /proc/sys/kernel/pid_max
Lelee ọnụ ọgụgụ kachasị nke usoro nke usoro ahụ kwere

ps -ef
# lelee usoro niile

top
# Gosipụta ọnọdụ usoro ozugbo

ll /proc/PID/fd/
# Ọ bụrụ na usoro ahụ nwere nnukwu CPU, jide n'aka na ị ga-eji iwu ll /proc/PID/fd/ chọta ya, ọ bụrụ na ịnweghị ike ịchọta ya, chọta ya ọtụtụ oge.

【onye ọrụ】

w
# Lelee ndị ọrụ nọ n'ọrụ

id <用户名>
# Lelee ozi onye ọrụ akọwapụtara

last
# Lelee ndekọ nbanye onye ọrụ

cut -d: -f1 /etc/passwd
# Lelee ndị ọrụ sistemu niile

cut -d: -f1 /etc/group
# Lelee otu niile dị na sistemụ

crontab -l
# Lelee ọrụ ahaziri onye ọrụ ugbu a

【Ije ozi】

chkconfig --list
# Depụta ọrụ sistemụ niile

chkconfig --list | grep on
# Depụta ọrụ sistemụ niile malitere

##【CentOS Ajụjụ ụdị ọrụ]
Iwu ajụjụ ụdị ọrụ CentOS:

1. Lelee ụdị Linux Kernel
uname -r

2. Lelee ụdị CentOS
cat /etc/redhat-release

3. Lelee ụdị PHP
php -v

4. Lelee MySQL mbipute
mysql -v

5. Lelee ụdị Apache
rpm -qa httpd

6. Lelee ozi CPU ugbu a
cat /proc/cpuinfo

7. Lelee ugboro ugboro CPU ugbu a
cat /proc/cpuinfo | grep MHz

【mmemme】

rpm -qa
# lelee niile arụnyere软件Ihe ngwugwu

# Malitegharịa iwu maka ọrụ nkịtị
service memcached restart

service monit restart
service mysqld restart
service mysql restart
service httpd restart

monit start all

service nginx restart

# Malitegharịa ekwentị CWP
service cwpsrv restart

# malitegharịa memcached
service memcached restart
service memcached start
service memcached stop

# Boot malite memcached
chkconfig memcached on

Malitegharịa httpd iji mee ka koodu ahụ rụọ ọrụ iwu:
service httpd restart
service httpd start
service httpd stop

chkconfig httpd on

bugharịa iwu httpd:
service httpd force-reload
service httpd reload

Iwu mmalite Nginx:
/etc/init.d/nginxd restart

service nginxd force-reload
service nginxd reload
service nginxd restart

php-fpm malitegharịa iwu:
/etc/init.d/php-fpm restart
service php-fpm restart
service php-fpm start

Tinyegharịa php-fpm:
sudo yum reinstall php-fpm

service mysql restart
service mysqld restart

service mysql stop
service mysqld stop

service mysql start
service mysqld start

Jiri iwu na-esonụ ka ịhụ ojiji ebe nchekwa na hazie ogo ojiji ebe nchekwa:
free -m
ps -eo pmem,pcpu,rss,vsize,args | sort -k 1 -r | less

MySQL_upgrade na-eme iwu ndị a ka ịlele na rụkwaa tebụl na kwalite tebụl sistemụ:
mysqlcheck --all-databases --check-upgrade --auto-repair

Mechie iwu MySQL:
killall mysqld

Lelee usoro mysql:
ps -ef|grep mysqld
watch -n 1 "ps -ef | grep mysql"

pid-file=/var/lib/mysql/centos-cwl.pid

Enwere ike ịlele ụzọ faịlụ PID nke MYSQL, KLOXO-MR site na njikwa njikwa "usoro":
pid-file=/var/lib/mysql/centos-512mb-sfo1-01.pid
pid-file=/var/lib/mysql/xxxx.pid

ma ọ bụ iwu SSH "ps -ef" ka ịhụ usoro niile:
check process apache with pidfile /usr/local/apache/logs/httpd.pid
check process mysql with pidfile /var/run/mysqld/mysqld.pid

Ị nwere ike tinye ahịrị a na /etc/crontab ka ịmalite iwu kwa nkeji iji lelee ọkwa mysql:
* * * * * /sbin/service mysql status || service mysql start

【Monit Command】

monit standard start, kwụsị, malitegharịa iwu:
/etc/init.d/monit start
/etc/init.d/monit stop
/etc/init.d/monit restart

lekọtaMara:
Ebe ọ bụ na edobere monit ka usoro daemon, na ntọala ndị na-amalite na sistemụ na-agbakwunye na initab, ọ bụrụ na usoro monit akwụsị, usoro init ga-amaliteghachi ya, ma nyochaa ọrụ ndị ọzọ, nke pụtara na monit Monitors Ọrụ enweghị ike. kwụsị iji usoro nkịtị, n'ihi na ozugbo kwụsịrị, monit ga-amalite ya ọzọ.

Iji kwụsị ọrụ monit na-enyocha, iwu dị ka monit stop name kwesịrị iji, ọmụmaatụ kwụsị tomcat:
monit stop tomcat

Ka ịkwụsị ọrụ niile a na-enyocha site na iji mont:
monit stop all

Iji malite ọrụ ị nwere ike iji aha nkwụsịtụ iwu,

Iji malite ihe niile bụ:
monit start all

Tọọ monit ka ọ malite na sistemụ wee tinye ya na njedebe nke faịlụ /etc/inittab
# Gbaa monit na ọkwa ọsọ ọsọ
mo:2345:respawn:/usr/local/bin/monit -Ic /etc/monitrc

Wepụ ihe nrụnye:
yum remove monit

【Budata na decompress】

下载 wordpress Ụdị kachasị ọhụrụ nke
wget http://zh.wordpress.org/latest-zh_CN.tar.gz

tọpụ ya
tar zxvf latest-zh_CN.tar.gz

Bugharịa faịlụ ndị dị na folda wordpress (ụzọ zuru oke) gaa na ebe ndekọ aha ugbu a
mv wordpress/* .

Bugharịa ndekọ / cgi-bin gaa na ndekọ aha ugbu a
$mv wwwroot/cgi-bin .

Detuo faịlụ niile dị na ndekọ aha ugbu a gaa na ndekọ gara aga
cp -rpf -f * ../

Otu esi akwụsị/malite/malite ọrụ redis?
Ọ bụrụ na itinyere redis na apt-get ma ọ bụ yum install, ị nwere ike ịkwụsị/bido/malitegharịa redis ozugbo site na iji iwu ndị a.
/etc/init.d/redis-server stop
/etc/init.d/redis-server start
/etc/init.d/redis-server restart
/etc/init.d/redis restart

Ọ bụrụ na itinyere redis site na koodu isi mmalite, ị nwere ike ịmalitegharị redis site na iwu nkwụsị nke redis-cli, mmemme ndị ahịa nke redis:
redis-cli -h 127.0.0.1 -p 6379 shutdown

Ọ bụrụ na ọ nweghị ụzọ ndị a dị n'elu ga-eme nke ọma n'ịkwụsị redis, ị nwere ike iji ngwa ọgụ kacha:
kill -9

[Lee iwu ebe faịlụ]

Hụ ebe edobere faịlụ nhazi PHP:
Jiri phpinfo hụ na ọ bụrụ na amachibidoro ọrụ a, gbuo ya n'okpuru shei
php -v / -name php.ini
或者
find / -name php.ini

Na mkpokọta, mgbe etinyere obere Linux, agaghị etinye wget na ndabara.
yum tinye
yum -y install wget

Nkwalite sistemu akpaaka na-aga ma kpọchie yum.
Ị nwere ike ịmanye usoro yum ka mechie:
rm -f /var/run/yum.pid

Achọta perl... Perl ahụghị na sistemụ gị: Biko tinye perl wee nwaa again
N'ụzọ doro anya, perl kwesịrị ịwụnye, iwu nrụnye perl bụ nke a:
yum -y install perl perl*

[iwu SSH maka ogwe njikwa Kloxo-MR]

Mgbe ị na-etinye isiokwu ma ọ bụ ngwa mgbakwunye, ọ daa na "Enweghị ike ịmepụta ndekọ"
Ngwọta: gbanwee ikike nke ngwa mgbakwunye isiokwu wp na bulite folda
Maka nchekwa nkesa, enweghị ike ịnye ikike 777 niile, yabụ ọ bụrụhaala na enyere akwụkwọ ndekọ aha ndị a ikike 755, naanị onye nwe ya nwere ikike ide.

Ọ bụrụ na ị na-agba ọsọ a:
sh /script/fix-chownchmod

Kloxo-MR ga-anwa nwegharia ikike na faịlụ na akwụkwọ ndekọ aha dị na mgbọrọgwụ akwụkwọ saịtị ahụ

Ogwe njikwa Kloxo-MR: Gaa na "admin>Serva>(localhost)> Adreesị IP> Gụgharịa IP".

Mmelite nkesa
Melite ihe nkesa na ụdị kachasị ọhụrụ
yum -y update

A nwalela ụzọ ndị a dị n'elu ọtụtụ oge, mana enwere nsogbu, biko tinye iwu nrụzi ndị a:
yum clean all; yum update -y; sh /script/cleanup

(N'ime mmelite mmemme, gaa rie nri mgbe obere oge gasịrị wee laghachi ka ịlele, nweta umeUFO.org.in, img.UFO.org.in ibe alọghachila nkịtị)

yum clean all; yum update -y; sh /script/cleanup
service httpd restart

Iji hụ na ihe ndekọ dn gụnyere "ọnụọgụ", mgbe emelite yum dị ọcha niile; yum update -y; sh /script/cleanup, jide n'aka na ị ga-agba ọsọ:
sh /script/fixdnsaddstatsrecord

Kwalite Kloxo-MR:
yum clean all; yum update kloxomr7 -y; yum update -y

Tinyegharịa Kloxo-MR:
Ọ bụrụ na ahụghị mperi, nwaa iwu a:
sh /script/upcp -y