- -h
- shows a short help message.
- -a
- queries the specified ethernet device for pause parameter information.
- -A
- change the pause parameters of the specified ethernet device.
- autoneg on|off
- Specify if pause autonegotiation is enabled.
- rx on|off
- Specify if RX pause is enabled.
- tx on|off
- Specify if TX pause is enabled.
- -c
- queries the specified ethernet device for coalescing information.
- -C
- change the coalescing settings of the specified ethernet device.
- -g
- queries the specified ethernet device for rx/tx ring parameter information.
- -G
- change the rx/tx ring parameters of the specified ethernet device.
- rx N
- Change number of ring entries for the Rx ring.
- rx-mini N
- Change number of ring entries for the Rx Mini ring.
- rx-jumbo N
- Change number of ring entries for the Rx Jumbo ring.
- tx N
- Change number of ring entries for the Tx ring.
- -i
- queries the specified ethernet device for associated driver information.
- -d
- retrieves and prints a register dump for the specified ethernet device.
- -e
- retrieves and prints an EEPROM dump for the specified ethernet device.
- -k
- queries the specified ethernet device for checksumming information.
- -K
- change the checksumming parameters of the specified ethernet device.
- rx on|off
- Specify if RX checksumming is enabled.
- tx on|off
- Specify if TX checksumming is enabled.
- sg on|off
- Specify if scatter-gather is enabled.
- -p
- initiates adapter-specific action intended to enable an operator to easily identify the adapter by sight. typically this involves blinking one or more LEDs on the specific ethernet port.
- N
- Length of time to perform. phys-id, in seconds.
- -r
- restarts auto-negotiation on the specified ethernet device, if auto-negotiation is enabled.
- -S
- queries the specified ethernet device for NIC- and driver-specific statistics.
- -t
- executes adapter selftest on the specified ethernet device. Possible test modes are:
- offline|online
- defines test type: offline (default) means to perform. full set of tests possibly causing normal operation interruption during the tests, online means to perform. limited set of tests do not interrupting normal adapter operation.
- -s
- option allows changing some or all settings of the specified ethernet device. All following options only apply if -s was specified.
- speed 10|100|1000
- Set speed in Mb/s. ethtool with single argument will show you the supported device speeds.
- duplex half|full
- Set full or half duplex mode.
- port tp|aui|bnc|mii
- Select device port.
- autoneg on|off
- Specify if autonegotiation is enabled. In the usual case it is, but might cause some problems with some network devices, so you can turn it off.
- phyad N
- PHY address.
- xcvr internal|external
- Select transceiver type. Currently only internal and external can be specified, in the future further types might be added.
- wol p|u|m|b|a|g|s|d...
- Set
Wake-on-LAN options. Not all devices support this. The argument to this
option is a string of characters specifying which options to enable.
-
- p
- Wake on phy activity
- u
- Wake on unicast messages
- m
- Wake on multicast messages
- b
- Wake on broadcast messages
- a
- Wake on ARP
- g
- Wake on MagicPacket(tm)
- s
- Enable SecureOn(tm) password for MagicPacket(tm)
- d
- Disable (wake on nothing). This option clears all previous options.
- sopass xx:yy:zz:aa:bb:cc
- Set the SecureOn(tm) password. The argument to this option must be 6 bytes in ethernet MAC hex format (xx:yy:zz:aa:bb:cc).
- msglvl N
- Set the driver message level. Meanings differ per driver
-
linux-mailÀûÓÃÍⲿÓÊÏäµØÖ··¢Óʼþ
2016-09-01 16:12:23
bin/mail»áĬÈÏʹÓñ¾µØsendmail·¢ËÍÓʼþ£¬ÕâÑùÒªÇ󱾵صĻúÆ÷±ØÐë°²×°ºÍÆô¶¯Sendmail·þÎñ£¬ÅäÖñȽÏÂé·³£¬¶øÇÒ»á´øÀ´²»±ØÒªµÄ×ÊÔ´Õ¼Óá£
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set from=fromUser@domain.com smtp=smtp.domain.comset smtp-auth-user=username smtp-auth-password=password smtp-auth=login
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mail -s "test" user@test.com <content.txt ÆäÖÐ-sºóÃæµÄÊÇÓʼþ±êÌ⣬user@sohu.comÊÇÊÕ¼þÈ˵ØÖ·£¬content.txtÀïÃæÊÇÓʼþÕýÎÄ
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linux·þÎñÆ÷ʹÓÃtsocksÉèÖôúÀí
2016-08-17 10:38:17
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http://tsocks.sourceforge.net
tsocks¸ÅÊö£º
SOCKS servers are a form. of proxy that are commonly used in firewalled LAN environments to allow access between networks, and often to the Internet. The problem is that most applications don't know how to gain access through SOCKS servers. This means that network based applications that don't understand SOCKS are very limited in networks they can reach. An example of this is simple 'telnet'. If you're on a network firewalled from the internet with a SOCKS server for outside access, telnet can't use this server and thus can't telnet out to the Internet.
tsocks' role is to allow these non SOCKS aware applications (e.g telnet, ssh, ftp etc) to use SOCKS without any modification. It does this by intercepting the calls that applications make to establish network connections and negotating them through a SOCKS server as necessary.
linuxÉÏ£¬Èç¹ûÖ»ÊÇ×öhttp»òftpµÄ´úÀí£¬¿ÉÒÔ¼òµ¥µÄÉèÖû·¾³±äÁ¿£ºhttp_proxy¡¢https_proxy¡¢ftp_proxy£»
ÕâÀïʹÓÃtsocks£¬ÊÇΪÁ˽â¾össhͨ¹ý´úÀíÁ¬½ÓÔ¶³Ì·þÎñÆ÷
¶þ¡¢ÏÂÔØ°²×°
´Ó¹ÙÍøÏÂÔØ×îа汾£¬±¾ÎÄʹÓõÄÊÇ£ºtsocks-1.8beta5.tar.gz
tar xzvf tsocks-1.8beta5.tar.gz
cd tsocks-1.8
./configure
make && make install
È·ÈÏÊÇ·ñ´æÔÚ£º/usr/lib/libtsocks.soÎļþ£¬Èç¹ûûÓУ¬cp -af libtsocks.so.1.8 /usr/lib/libtsocks.so
×¢£ºtsocks-1.8°üÀïµÄlibtsocks.so£¬Ö»ÊÇlibtsocks.so.1.8µÄÈíÁ´½Ó£¬¸´ÖÆʵ¼ÊÎļþ¹ýÈ¥ÒÔÃⰲװĿ¼ɾ³ý£¬µ¼Ö²»¿ÉÓá£
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tsocks.conf.simple.example
tsocks.conf.complex.example
¸´ÖÆÒ»¸öµ½/etc/tsocks.conf
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# cat /etc/tsocks.conf
# This is the configuration for libtsocks (transparent socks)
# Lines beginning with # and blank lines are ignored
#
# The basic idea is to specify:
# - Local subnets - Networks that can be accessed directly without
# assistance from a socks server
# - Paths - Paths are basically lists of networks and a socks server
# which can be used to reach these networks
# - Default server - A socks server which should be used to access
# networks for which no path is available
# Much more documentation than provided in these comments can be found in
# the man pages, tsocks(8) and tsocks.conf(8)
# Local networks
# For this example this machine can directly access 192.168.0.0/255.255.255.0
# (192.168.0.*) and 10.0.0.0/255.0.0.0 (10.*)
local = 192.168.0.0/255.255.0.0
local = 10.0.0.0/255.0.0.0
local = 211.211.211.0/255.255.255.224
# Default server
# For connections that aren't to the local subnets or to 150.0.0.0/255.255.0.0
# the server at 192.168.0.1 should be used (again, hostnames could be used
# too, see note above)
server = 211.211.211.211 #´úÀí·þÎñÆ÷IP
# Server type defaults to 4 so we need to specify it as 5 for this one
server_type = 5 #´úÀí·þÎñÆ÷ʹÓÃsocks5°æ±¾
# The port defaults to 1080 but I've stated it here for clarity
server_port = 1080 #´úÀí·þÎñÆ÷¶Ë¿Ú
default_user = ´úÀíÕʺÅÓû§Ãû
default_pass = ´úÀíÕʺÅÃÜÂë
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Ò²¿ÉÒÔʹÓÃpathÀ´Ö¸¶¨²¿·Ö×ßÆäËû´úÀí·þÎñÆ÷£¬¾ßÌå²Î¼û£ºtsocks.conf.complex.exampleÄ£°åÖеÄÅäÖü°ËµÃ÷£»
Ä£°åÖУºlocal = 192.168.0.0/255.255.255.0 ×ÓÍøÑÚÂëÅäÖôíÎó£¬Ó¦ÐÞ¸ÄΪ255.255.0.0
ËÄ¡¢Ê¹ÓÃtsocks
Ô´Âë°²×°µÄtsocks£¬Ä¬ÈÏ·¾¶Îª£º/usr/bin/tsocks
tsocks [application [applications arguments]]
tsocks [on|off]
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tsocks firefox #Ö®ºóÔÚfirefoxÉÏä¯ÀÀÍøÒ³¾Í»áĬÈÏʹÓÃtsocksÅäÖõĴúÀí
source tsocks on #ÉèÖõ±Ç°shellµÄtsocks
tsocks show #²é¿´µ±Ç°ShellµÄtsocksÉèÖã¬LD_PRELOAD="/usr/lib/libtsocks.so"£»Èç¹ûLD_PRELOADΪ¿Õ£¬±íʾûÉèÖóɹ¦£»
do_something #ÕâÀï¾ÍÄÜĬÈÏʹÓÃtsocksµÄ´úÀíÈ¥do somethingÁË£¬Ç°ÃæÒѾÉèÖÃÁË
source tsocks off #¹Ø±Õµ±Ç°shellµÄtsocks´úÀíÉèÖÃ
tsocks show #Ôٴβ鿴£¬LD_PRELOAD="".
²é¿´/usr/bin/tsocksÎļþ£¬ÄÜ·¢ÏÖtsocks on Ö»ÊÇÉèÖÃLD_PRELOAD»·¾³±äÁ¿£¬tsocks offÖ»ÊÇÈ¥³ýLD_PRELOAD»·¾³±äÁ¿µÄÉèÖã»
ËùÒÔÈç¹ûÏëÈÃËùÓÐÓû§¶¼¿ÉÒÔʹÓÃtsocksÅäÖã¬Ö±½ÓÔÚ/etc/profileÖÐÉèÖãºexport LD_PRELOAD="/usr/lib/libtsocks.so"
ÔÙsource /etc/profile£¬ÈÃËùÓÐÓû§¶¼ÉúЧ£»
Îå¡¢Óöµ½µÄÎÊÌâ¼°½â¾ö·½°¸
10:26:43 libtsocks(31015): Need a password in tsocks.conf or $TSOCKS_PASSWORD to authenticate withssh: connect to host 151.151.151.151 port 22: Connection refused
ʹÓõĴúÀí·þÎñÆ÷£¬ÐèÒªÕʺÅÃÜÂë½øÐÐÉí·ÝУÑ飬Ôö¼Ódefault_user¼°default_passÅäÖýâ¾ö£»
10:30:45 libtsocks(31032): SOCKS server 211.211.211.211 (211.211.211.211) is not on a local subnet!
ÉèÖõĴúÀíûÓÐÓë/etc/tsocks.confÎļþÖеÄlocalÉèÖõÄÍøÂçÔÚͬһ¸ö×ÓÍøÖС£ÅäÖãºlocal = 211.211.211.0/255.255.255.224½â¾ö£»
ERROR: ld.so: object '/usr/lib/libtsocks.so' from LD_PRELOAD cannot be preloaded: ignored.
.so¿âÎļþ²»´æÔÚ£¬´Ó°²×°°üÖи´ÖƹýÈ¥£ºcp -af libtsocks.so.1.8 /usr/lib/libtsocks.so
-
linux-awk & sedÖ®ÆæÊýÐÐÓëżÊýÐеĴòÓ¡-zt
2016-06-16 14:48:33
ת×Ô£ºhttp://blog.chinaunix.net/uid-10540984-id-316081.html
¶ÔÓÚÕâ¸öÎÊÌâ»òÐí´ó¼Ò¾õµÃ²»ÄÑ£¬È·ÊµÒ²²»ÊÇʲô̫ÄѵÄÎÊÌ⣬Ê×ÏÈÏëµ½µÄÊǶÔ2µÄÈ¡Ó࣬³ÏÈ»£¬ÔÚ±à³Ì˼ÏëÀïÕâÊÇÒ»¸ö¸ÅÄî¡£ÏÂÃæÎÒÃÇ¿´¿´¼¸¸öÀý×Ó¡£- $ cat file
- 1
- 2
- 3
- 4
- 5
- 6
- $ awk 'NR%2' file
- 1
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- $ awk '!(NR%2)' file
- 2
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[½âÎö]
ÕâÓ¦¸ÃÊÇ×î±ê×¼µÄ´ð°¸£¬NRÊÇÐкţ¬awkµÄÄÚ½¨º¯Êý£¬µ±µÚÒ»ÐУ¬NR==1ʱ£¬¶Ô2È¡Ó࣬½á¹ûÊÇ1£¬ÔÚawkµÄÖ´ÐÐģʽÀÕâ¸ö1¾ÍÊÇpattern£¬ ΪÕ棬ִÐÐĬÈϵÄ{print}£¬Õâ¸öaction²Ù×÷¡£ÄÇô´òÓ¡³ö¸ÃÐУ¬µ½µÚ2ÐÐÔòÓàÊýÊÇ0£¬patternΪ0£¬ÔòΪ¼Ù£¬²»»áÖ´ÐÐĬÈ쵀 {print}£¬Ôò²»»áÊä³öżÊýÐС£¾Í´ïµ½ÁËÖ»Êä³öÆæÊýÐеÄЧ¹û£¬·´Ö®ÔòÊä³öżÊýÐÐÁË¡£ÎÒÃÇÔÙ¿´¿´Ò»¸ö¸üÐÂÓ±µÄ°ì·¨¡£
- $ awk '++i%2' file
- 1
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- $ awk 'i++%2' file
- 2
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[½âÎö]
ÕâÐÐÃüÁî³ä·ÖµÄÀûÓÃÁËCÓïÑÔÖÐ ++i Óë i++ µÄÇø±ð£¬i++ ÖÐiµÄÖµ×Ô¼ÓÒ»´ÎºóÕâ¸ö±í´ïʽµÄ½á¹ûµÈÓÚ1£¬µ«´ËʱiµÄÖµÈÔȻΪ0£¬ÎªÊ²Ã´ÄØ£¿iµÄÖµÔÚµ±Ç°±í´ïʽÖв»»á¸Ä±ä£¬++iÖÐiµÄÖµ×Ô¼ÓÒ»´Îºó£¬iµÄÖµÊÇ1£¬Ìý ÆðÀ´ºÜì¶Ü£¿È·Êµ±È½ÏÈÄ¿Ú£¬ÎÒÃÇÔÙµ÷ÓÃÒ»¸öC³ÌÐòÀ´ËµÃ÷Àý×Ó£º
- # include <stdio.h>
- int main(void)
- {
- int i, j, a, b;
- i = j = 0;
- a = i++;
- b = ++j;
- printf ("a = %d , i = %d , b = %d , j = %d\n",a,i,b,j);
- return 0;
- }
- /*
- ÔËÐнá¹û:
- a = 0 , i = 1 , b = 1 , j = 1
- */
[½âÎö]
ÔÚÕâ¸öCÓïÑÔ³ÌÐòÖв»ÄÑ¿´³ö£¬aµÄÖµÊÇ0£¬iµÄֵȴÊÇ1£¬i++ ÊÇ°Ñ×Ô¼ÓÇ°µÄÖµ¸³Óè**¬Ôò ++i ²»Ò»Ñù¡£Õâ¾Í¿ÉÒÔ½âÊÍΪʲô i++ Êä³öµÄÊÇżÊýÐÐÁË£¬µÚÒ»ÐÐʱ£¬ÒòΪ¶Ô2È¡ÓàµÄʱºò i++ ×Ô¼ÓÒ»´ÎºóµÄÖµÊÇ1£¬µ« i++ ÊÇ°ÑiµÄ×Ô¼ÓÇ°µÄֵȥ¶Ô2È¡ÓàµÄ£¬0¶Ô2È¡Óà½á¹ûΪ0£¬Ìõ¼þΪ¼Ù£¬µ½µÚ¶þÐеÄʱºòiµÄÖµ²ÅÊÇÉÏ´Î×Ô¼ÓºóµÄֵΪ1£¬¶Ô2È¡ÓàÊýΪ1£¬patternΪÕ棬Ôò Êä³öµÚ2ÐУ¬ÒÔ´ËÀàÍÆ¡£++i ÔòÊÇ×Ô¼ÓºóiµÄÖµÊÇ1£¬ËùÒÔÊä³öµÄÆæÊýÐС£++i ºÍ i++ ËûÃÇ×ԼӵĽá¹û¶¼ÊÇiΪ1£¬µ«ÊÇÔÚ¸³ÖµºÍ±È½ÏµÄʱºò£¬È´ÊÇÓÐÇø±ðµÄ¡£¿´µ½ÕâÀïÎÒÏë´ÏÃ÷µÄÄúÒѾÃ÷°×ÁËËüÃǵÄÇø±ð¡£ÎÒÃÇÔÙ¿´¿´µÚÈýÖз½·¨¡£
- $ awk 'i=!i' file
- 1
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- $ awk '!(i=!i)' file
- 2
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[½âÎö]
Õâ¾ä»¹ÐèÒªÎÒ½âÊÍÂ𣿸óÏÂÏë±ØÒѾÃ÷°×ÆäÖеİÂÃîÁË°É¡£^_^
- $ awk 'and(FNR,1)' file
- 1
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- $ awk '!and(FNR,1)' file
- 2
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[½âÎö]
awkÀïÃæÓÐÈý¸öbuilt-in function£¬·Ö±ðÊÇ£ºand(a, b)°´Î»Ó룬or(a, b)°´Î»»ò£¬xor(a, b)°´Î»Òì»ò£¬µ±FNRΪ1µÄʱºò£¬¾ÍÊǵÚÒ»ÐУ¬1µÄ2½øÖÆΪ0001£¬Óë0001°´Î»Ó룬µÃµ½½á¹ûÊÇ0001£¬0001µÄ½á¹ûΪÕ棬¾Í´òÓ¡¸ÄÐУ¬µ± FNRΪ2ʱ¶þ½øÖƱíʾΪ0010£¬ÄÇôÓÖÓë0001ÏàÓ룬½á¹ûΪ0000£¬Ìõ¼þΪ¼Ù£¬Ôò²»´òÓ¡¡£Ö»Óе±FNRΪÆæÊýʱ£¬¶þ½øÖƵÄβÊýΪ1£¬Óë0001Ïà Óë½á¹û²ÅΪÕ棬·ñÔò½á¹û¶¼Îª¼Ù¡£¼´Ö»Êä³öÆæÊýÐУ¬·ÇÔòÊä³öżÊýÐС£
- $ sed -n 'p;n' file
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- $ sed -n 'n;p' file
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[½âÎö]
sedÒ²²»ÄѽâÊÍ£¬ºÃºÃ¿´¿´ÊÖ²á°É¡£
- $ seq 6 | sed -n '1~2p'
- 1
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- $ seq 6 | sed -n '0~2p'
- 2
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[½âÎö]
FIRST~STEP
This GNU extension matches every STEPth line starting with line FIRST.In particular, lines will be selected when there exists a non-negative N such that the current line-number equals FIRST + (N * STEP). Thus, to select the odd-numbered lines, one would use`1~2'.- seq 10 | sed '0~3a\=='
-
- seq 10 | awk 'ORS=NR%3?"\n":"\n==\n"
[½âÎö]
ÿ¸ôÈýÐоÍÔÚºóÃæÌí¼ÓÒ»¸ö·Ö¸î·û¡£
- $ cat file
-
vim²é¿´Îļþ£¬¶àÁË<200b>×Ö·û£¬Ê¹ÓÃsed½øÐйýÂË
2016-06-12 16:50:05
vim²é¿´Îļþ£¬·¢ÏÖ¶àÁË<200b>×Ö·û£¬Ê¹ÓÃ/200bËÑË÷Æ¥Åä²»ÉÏ£»
grep 200b ҲƥÅä²»ÉÏ
²éѯºó²ÅÖªµÀ£º
200bÊÇ£ºUnicode Character 'ZERO WIDTH SPACE' (U+200B)
²Î¼û£º
http://www.fileformat.info/info/unicode/char/200B/index.htm
´¦Àí·½·¨¼û£º
http://superuser.com/questions/207207/how-can-i-delete-u200b-zero-width-space-using-sed
sed 's/\xe2\x80\x8b//g' inputfile
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-
ͨ¹ýtelnetÁ¬½Ó²é¿´memcache·þÎñÆ÷-zt
2016-05-23 14:57:08
memcache×÷Ϊһ¿îÓÅÐãµÄ½ø³ÌÍ⻺´æ£¬³£³£±»ÔËÓÃÓڸ߲¢·¢ÏµÍ³¼Ü¹¹ÖС£ÕâÀïÖ÷Ҫ̸̸Ôõôͨ¹ýtelnet¹¤¾ß£¬²é¿´memcacheÔËÐÐ×´¿ö²¢¶ÔÆäkey½øÐйÜÀíά»¤¡£
1¡¢Æô¶¯memcache
[root@localhost ~]# /usr/local/bin/memcached -u root -m 1024 -p 11211 -u postfix -l 127.0.0.1 -M -v -c 4096
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-m£º·ÖÅä¸ømemcacheʹÓõÄ×î´óÄÚ´æÊý µ¥Î»ÊÇm£¬Ä¬ÈÏÊÇ64m
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2¡¢telnetÁ¬½Ómemcache
[root@localhost ~]# telnet 192.168.119.70 11211
Trying 192.168.119.70...
Connected to 192.168.119.70 (192.168.119.70).
Escape character is '^]'.
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¢ñ¡¢Ìí¼ÓÐÞ¸Ä
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<command>£ºadd£¬ set»ò replace
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STAT curr_connections 1 //µ±Ç°Á¬½ÓÊý
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STAT 1:free_chunks 1
STAT 1:free_chunks_end 13105
STAT 1:get_hits 10
STAT 1:cmd_set 10
STAT 1:delete_hits 4
STAT 1:incr_hits 0
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linux ʹÓÃFIO²âÊÔ´ÅÅÌiops
2016-05-20 18:16:32
¾ßÌåÄÚÈݲμû£º
http://blog.itpub.net/26855487/viewspace-754346/
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ÑùÀýÖеģº-filename=/dev/sdb1
filename=/dev/sdb1 ²âÊÔÎļþÃû³Æ£¬Í¨³£Ñ¡ÔñÐèÒª²âÊÔµÄÅÌϵÄdataÎļþ¡£
д²âÊÔʱ£¬Ê¹ÓÃ/dev/sdb1£¬±íʾֱ½ÓÍùÂãÉ豸ÉÏдÊý¾Ý£¬ÈÝÒ×Ôì³ÉÉ豸Ë𻵣¬IO³ö´í£¡£¡£¡Öظñ²ÅÄָܻ´£¡£¡£¡
Ò»¶¨ÒªÑ¡Ôñ²âÊÔµÄÅ̵ÄdataÎļþ£¬È磺/mail/data£¡£¡£¡ -
linux-ʹÓÃpartedÀ´½øÐзÖÇø
2016-05-18 14:07:35
ͨ³£ÎÒÃÇÓõıȽ϶àµÄÒ»°ã¶¼ÊÇfdisk¹¤¾ßÀ´½øÐзÖÇø£¬µ«ÊÇÏÖÔÚÓÉÓÚ´ÅÅÌÔ½À´Ô½Á®¼Û£¬¶øÇÒ´ÅÅÌ¿Õ¼äÔ½À´Ô½´ó£»
¶øfdisk¹¤¾ßËû¶Ô·ÖÇøÊÇÓдóСÏÞÖƵģ¬ËüÖ»ÄÜ»®·ÖСÓÚ2TµÄ´ÅÅÌ¡£
µ«ÊÇÏÖÔڵĴÅÅÌ¿Õ¼äºÜ¶à¶¼ÒѾÊÇÔ¶Ô¶´óÓÚ2TÁË£¬ÈçÎÒÃǽñÌìÀý×ÓÖеÄ4.7T£¬ÄÇÒªÔõô°ìÄÜ£¬ÓÐÁ½¸ö·½·¨£¬ÆäÒ»ÊÇͨ¹ý¾í¹ÜÀíÀ´ÊµÏÖ£¬Æä¶þ¾ÍÊÇͨ¹ýÎÒÃǽñÌì̸µ½µÄParted¹¤¾ßÀ´ÊµÏÖ¶ÔGPT´ÅÅ̽øÐзÖÇø²Ù×÷¡£
fdiskÏÔʾÀý×Ó£º
# fdisk -l
WARNING: GPT (GUID Partition Table) detected on '/dev/sdb'! The util fdisk doesn't support GPT. Use GNU Parted.
Disk /dev/sdb: 4798.6 GB, 4798552211456 bytes
255 heads, 63 sectors/track, 583390 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Device Boot Start End Blocks Id System
/dev/sdb1 1 267350 2147483647+ ee GPT
# parted /dev/sdb
GNU Parted 2.1
Using /dev/sdb
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) mklabel gpt
½«MBR´ÅÅ̸ñʽ»¯ÎªGPT
(parted) mkpart primary 0 100
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(parted) mkpart primary 100 200
»®·ÖÒ»¸öÆðʼλÖÃΪ100M£¬´óСΪ100MµÄÖ÷·ÖÇø
(parted) mkpart primary 0 -1
»®·ÖËùÓпռ䵽һ¸ö·ÖÇø
(parted) print
´òÓ¡µ±Ç°·ÖÇø
(parted) quit
¿ÉÄÜ»¹»áÓõ½µÄһЩÃüÁî
(parted) mklable msdos
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ÔÚÕâÑù·ÖÍê·ÖÇøºó,»¹ÒªÊ¹ÓÃmkfs.ext4À´½øÐиñʽ»¯£º
# mkfs.ext4 -F /dev/sdb1
¸ñʽ»¯ºó¿ÉÒÔÖ±½Ó¹ÒÔØʹÓãº
mount -t ext4 /dev/sdb1 /mail
µ±È»Ò²¿ÉÒÔÔö¼Óµ½/etc/fstabÖÐ
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parted /dev/sdb mkpart primary 0 100 ##»®·ÖÒ»¸öÆðʼλÖÃΪ0´óСΪ100MµÄÖ÷·ÖÇø
-
Apache·ÀDDOSÄ£¿émod_evasive
2016-04-01 14:16:41
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mod_evasive µÄ¹Ù·½µØÖ·£º http://www.zdziarski.com/
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apacheÅäÖÃÎļþ£º/etc/httpd/conf/httpd.confÖÐ
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LoadModule evasive20_module modules/mod_evasive20.so
<IfModule mod_evasive20.c>
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DOSPageCount 2 //ͬһ¸öÒ³ÃæÔÚͬһʱ¼äÄÚ¿ÉÒÔ±»Í³Ò»¸öÓû§·ÃÎʵĴÎÊý£¬³¬¹ý¸ÃÊý×־ͻᱻÁÐΪ¹¥»÷£¬Í¬Ò»Ê±¼äµÄÊýÖµ¿ÉÒÔÔÚDosPageInterval²ÎÊýÖÐÉèÖá£
DOSSiteCount 50 //ͬһ¸öÓû§ÔÚͬһ¸öÍøÕ¾ÄÚ¿ÉÒÔͬʱ´ò¿ªµÄ·ÃÎÊÊý£¬Í¬Ò»¸öʱ¼äµÄÊýÖµÔÚDOSSiteIntervalÖÐÉèÖá£
DOSPageInterval 1 //ÉèÖÃDOSPageCountÖÐʱ¼ä³¤¶È±ê×¼£¬Ä¬ÈÏֵΪ1¡£
DOSSiteInterval 1 //ÉèÖÃDOSSiteCountÖÐʱ¼ä³¤¶È±ê×¼, ĬÈÏֵΪ1¡£
DOSBlockingPeriod 10 //±»·âʱ¼ä¼ä¸ôÃ룬ÕâÖмä»áÊÕµ½ 403 (Forbidden) µÄ·µ»Ø¡£
DOSEmailNotify "test1@test.cn,test2@test.cn" //·¢ËÍÓʼþ֪ͨµÄ
DOSSystemCommand "sudo /sbin/iptables -I INPUT -s %s -p tcp --dport 80 -j DROP" //Ö´ÐÐϵͳÃüÁîÔö¼Ó·À»ðǽ¹æÔò
DOSLogDir "/var/log/" //ÈÕÖ¾´æ´¢Ä¿Â¼
</IfModule>
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/usr/local/apache/bin/ab -n 100 -c 5 http://192.168.146.103/test.php
httpdµÄ·ÃÎÊÈÕÖ¾access_logÀ¿ÉÒÔ¿´µ½ÔÀ´ÊÇ200ÏìÓ¦£¬ºóÃæ±ä³É403ÏìÓ¦
DOSLogDir "/var/log/" ÈÕÖ¾´æ´¢Ä¿Â¼Ï»áÉú³É£ºdos-ipµÄÈÕÖ¾Îļþ
×¢£ºabÖ´Ðкó£¬Ò²»áÓÐͳ¼Æ½á¹û£¬µ«·¢ÏÖÀïÃæµÄFailed requestsÏÔʾÊýÁ¿»áºÍaccess_logÖеĶԲ»ÉÏ£»
Complete requests: 100
Failed requests: 0
ËùÒÔ²âÊÔʱ£¬»¹ÊÇÒª¿´ÏÂaccess_log¡£
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DOSSiteCount 50£ºÔÊÐí¿Í»§»úµÄ×î´ó²¢·¢Á¬½Ó¡£
DOSPageCount 2£ºÔÊÐí¿Í»§»ú·ÃÎÊͬһҳµÄ¼ä¸ô¡£
DOSPageInterval 1£ºÍøÒ³·ÃÎʼÆÊýÆ÷¼ä¸ô¡£
DOSSiteInterval 1£ºÈ«Õ¾·ÃÎʼÆÊýÆ÷¼ä¸ô¡£
DOSSiteInterval 60£º¼ÓÈëºÚÃûµ¥ºó¾Ü¾ø·ÃÎÊʱ¼ä¡£
DOSEmailNotify xxxx@gmail.com£ºÓÐIP¼ÓÈëºÚÃûµ¥ºó֪ͨ¹ÜÀíÔ±¡£
DOSSystemCommand "sudo /sbin/iptables -I INPUT -s %s -p tcp --dport 80 -j DROP"£ºIP¼ÓÈëºÚÃûµ¥ºóÖ´ÐеÄϵͳÃüÁî¡£
DOSLogDir "/tmp"£ºËø¶¨»úÖÆÁÙʱĿ¼£¬ÈÕ־Ŀ¼¡£
DOSWhiteList 127.0.0.1£º·À·¶°×Ãûµ¥£¬²»×èÖ¹°×Ãûµ¥IP¡£
-
linux-centos6.6 64λ·þÎñÆ÷ÐÞ¸ÄMACµØÖ·
2016-02-15 16:43:08
centos6.6 64λ·þÎñÆ÷ÐÞ¸ÄMACµØÖ·
/etc/sysconfig/network-scripts/ifcfg-eth0
HWADDR=00:24:E8:63:7A:05
ÐÞ¸ÄΪ£º
HWADDR=00:24:E8:63:7A:08
ÕâÀïÖØÆôÍøÂ磬»áÓÐÈçÏÂÌáʾ£¬Êµ¼ÊÐÞ¸Äδ³É¹¦£º
[root@ns1 ~]# /etc/init.d/network restart
Shutting down interface eth0: Device eth0 has MAC address 00:24:E8:63:7A:05, instead of configured address 00:24:E8:63:7A:08. Ignoring.
[FAILED]
Shutting down loopback interface: [ OK ]
Bringing up loopback interface: [ OK ]
Bringing up interface eth0: Device eth0 has different MAC address than expected, ignoring.
½â¾ö·½·¨£º
HWADDR=00:24:E8:63:7A:05
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MACADDR=00:24:E8:63:7A:08
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/etc/sysconfig/network-scripts/ifcfg-eth0 ÖÐÒѾÊÇ MACADDR£¬Ð޸ĶÔÓ¦ÖµºóÖØÆôÍøÂç¼´¿É¡£
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linux-¹ÒÔØUÅÌ-ntfs¸ñʽ
2015-11-06 09:08:21
²Ù×÷ϵͳ£ºCentOS6.6-64λ
linuxϹÒÔØntfs¸ñʽ·ÖÇøʱ£¬»áÌáʾ£º
# mount -t ntfs /dev/sdd1 /mnt/ntfs
mount: unknown filesystem type 'ntfs'
ÕâʱÐèÒª°²×°ntfs-3g£¬ÒÔʶ±ðntfs¸ñʽ
µ«yum¹Ù·½Ô´Ã»ÓÐntfs-3g°üÏÂÔØ£¬ËùÒÔÐÞ¸ÄyumԴΪepel-release£¬ÔÙ½øÐÐÏÂÔØ£ºyum install -y epel-release
yum install -y ntfs-3g
ÕâʱÔÙ½øÐÐntfs¸ñʽ¹ÒÔØ£º
mount -t ntfs /dev/sdd1 /mnt/ntfs
³É¹¦£¡£¡
-
linux-VMÐéÄâ»úLinux¿Ë¡ºóÍø¿¨µÄÏà¹Ø²Ù×÷-zt
2015-10-08 19:37:07
ת×Ô£ºhttp://jingyan.baidu.com/article/b7001fe1686b810e7282ddc4.html
VmwareÐéÄâ»úÔÚ½øÐпË¡²Ù×÷ºó£¬»á·¢ÏÖ¿Ë¡ºóµÄÖ÷»úÔeth0½«»á²»¼û£¬È¡¶ø´úÖ®»áÓÐÒ»¸öÐÂMACµÄÍø¿¨eth1¡£±¾ÎĽâ¾öÈçºÎºÏÀíµÄ½«Íø¿¨¸ÄΪeth0¡£¹¤¾ß/ÔÁÏ
- ifconfig
- nmcli
- vim
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- 1
ifconfig eth1 È·¶¨ÐÂÍø¿¨µÄMACµØÖ·¡£
nmcli con È·¶¨ÐÂÍø¿¨µÄUUID
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vim /etc/udev/rules.d/70-persistent-net.rules
°ÑÔeth0µÄÏà¹ØÐÅϢɾ³ý£¬½«eth1µÄname¸ÄΪeth0
- 3
cd /etc/sysconfig/network-scripts
vim ifcfg-eth0
HWADDR=ÏÖÔÚµÄʵ¼ÊMAC
UUID=ÏÖÔÚµÄʵ¼ÊUUID
- 4
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END
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/etc/sysconfig/network-scripts/ifcfg-eth0
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2015-07-24 17:23:13
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ssCpuUser
GET
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ssCpuSystem
GET
. 1.3.6.1.4.1.2021.11.11.0
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ssCpuIdle
GET
. 1.3.6.1.4.1.2021.11.50.0
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ssCpuRawUser
GET
.1.3.6.1.4.1.2021.11.51.0
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ssCpuRawNice
GET
. 1.3.6.1.4.1.2021.11.52.0
ÔʼϵͳCPUʹÓÃʱ¼ä
ssCpuRawSystem.
GET
. 1.3.6.1.4.1.2021.11.53.0
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ssCpuRawIdle
GET
. 1.3.6.1.2.1.25.3.3.1.2
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hrProcessorLoad
WALK
. 1.3.6.1.4.1.2021.11.3.0
ssSwapIn
GET
. 1.3.6.1.4.1.2021.11.4.0
SsSwapOut
GET
. 1.3.6.1.4.1.2021.11.5.0
ssIOSent
GET
. 1.3.6.1.4.1.2021.11.6.0
ssIOReceive
GET
. 1.3.6.1.4.1.2021.11.7.0
ssSysInterrupts
GET
. 1.3.6.1.4.1.2021.11.8.0
ssSysContext
GET
. 1.3.6.1.4.1.2021.11.54.0
ssCpuRawWait
GET
. 1.3.6.1.4.1.2021.11.56.0
ssCpuRawInterrupt
GET
. 1.3.6.1.4.1.2021.11.57.0
ssIORawSent
GET
. 1.3.6.1.4.1.2021.11.58.0
ssIORawReceived
GET
. 1.3.6.1.4.1.2021.11.59.0
ssRawInterrupts
GET
. 1.3.6.1.4.1.2021.11.60.0
ssRawContexts
GET
. 1.3.6.1.4.1.2021.11.61.0
ssCpuRawSoftIRQ
GET
. 1.3.6.1.4.1.2021.11.62.0
ssRawSwapIn.
GET
. 1.3.6.1.4.1.2021.11.63.0
ssRawSwapOut
GET
.1.3.6.1.4.1.2021.10.1.3.1
Load5
GET
.1.3.6.1.4.1.2021.10.1.3.2
Load10
GET
.1.3.6.1.4.1.2021.10.1.3.3
Load15
GET
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hrMemorySize
GET
.1.3.6.1.2.1.25.2.3.1.1
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hrStorageIndex
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.1.3.6.1.2.1.25.2.3.1.2
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hrStorageType[OID]
WALK
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hrStorageDescr
WALK
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hrStorageAllocationUnits
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hrStorageSize
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hrStorageUsed
WALK
.1.3.6.1.4.1.2021.4.3.0
Total Swap Size(ÐéÄâÄÚ´æ)
memTotalSwap
GET
.1.3.6.1.4.1.2021.4.4.0
Available Swap Space
memAvailSwap
GET
.1.3.6.1.4.1.2021.4.5.0
Total RAM in machine
memTotalReal
GET
.1.3.6.1.4.1.2021.4.6.0
Total RAM used
memAvailReal
GET
.1.3.6.1.4.1.2021.4.11.0
Total RAM Free
memTotalFree
GET
.1.3.6.1.4.1.2021.4.13.0
Total RAM Shared
memShared
GET
.1.3.6.1.4.1.2021.4.14.0
Total RAM Buffered
memBuffer
GET
.1.3.6.1.4.1.2021.4.15.0
Total Cached Memory
memCached
GET
.1.3.6.1.4.1.2021.9.1.2
Path where the disk is mounted
dskPath
WALK
.1.3.6.1.4.1.2021.9.1.3
Path of the device for the partition
dskDevice
WALK
.1.3.6.1.4.1.2021.9.1.6
Total size of the disk/partion (kBytes)
dskTotal
WALK
.1.3.6.1.4.1.2021.9.1.7
Available space on the disk
dskAvail
WALK
.1.3.6.1.4.1.2021.9.1.8
Used space on the disk
dskUsed
WALK
.1.3.6.1.4.1.2021.9.1.9
Percentage of space used on disk
dskPercent
WALK
.1.3.6.1.4.1.2021.9.1.10
Percentage of inodes used on disk
dskPercentNode
WALK
System Group
sysDescr 1.3.6.1.2.1.1.1
sysObjectID 1.3.6.1.2.1.1.2
sysUpTime 1.3.6.1.2.1.1.3
sysContact 1.3.6.1.2.1.1.4
sysName 1.3.6.1.2.1.1.5
sysLocation 1.3.6.1.2.1.1.6
sysServices 1.3.6.1.2.1.1.7
Interfaces Group
ifNumber 1.3.6.1.2.1.2.1
ifTable 1.3.6.1.2.1.2.2
ifEntry 1.3.6.1.2.1.2.2.1
ifIndex 1.3.6.1.2.1.2.2.1.1
ifDescr 1.3.6.1.2.1.2.2.1.2
ifType 1.3.6.1.2.1.2.2.1.3
ifMtu 1.3.6.1.2.1.2.2.1.4
ifSpeed 1.3.6.1.2.1.2.2.1.5
ifPhysAddress 1.3.6.1.2.1.2.2.1.6
ifAdminStatus 1.3.6.1.2.1.2.2.1.7
ifOperStatus 1.3.6.1.2.1.2.2.1.8
ifLastChange 1.3.6.1.2.1.2.2.1.9
ifInOctets 1.3.6.1.2.1.2.2.1.10
ifInUcastPkts 1.3.6.1.2.1.2.2.1.11
ifInNUcastPkts 1.3.6.1.2.1.2.2.1.12
ifInDiscards 1.3.6.1.2.1.2.2.1.13
ifInErrors 1.3.6.1.2.1.2.2.1.14
ifInUnknownProtos 1.3.6.1.2.1.2.2.1.15
ifOutOctets 1.3.6.1.2.1.2.2.1.16
ifOutUcastPkts 1.3.6.1.2.1.2.2.1.17
ifOutNUcastPkts 1.3.6.1.2.1.2.2.1.18
ifOutDiscards 1.3.6.1.2.1.2.2.1.19
ifOutErrors 1.3.6.1.2.1.2.2.1.20
ifOutQLen 1.3.6.1.2.1.2.2.1.21
ifSpecific 1.3.6.1.2.1.2.2.1.22
IP Group
ipForwarding 1.3.6.1.2.1.4.1
ipDefaultTTL 1.3.6.1.2.1.4.2
ipInReceives 1.3.6.1.2.1.4.3
ipInHdrErrors 1.3.6.1.2.1.4.4
ipInAddrErrors 1.3.6.1.2.1.4.5
ipForwDatagrams 1.3.6.1.2.1.4.6
ipInUnknownProtos 1.3.6.1.2.1.4.7
ipInDiscards 1.3.6.1.2.1.4.8
ipInDelivers 1.3.6.1.2.1.4.9
ipOutRequests 1.3.6.1.2.1.4.10
ipOutDiscards 1.3.6.1.2.1.4.11
ipOutNoRoutes 1.3.6.1.2.1.4.12
ipReasmTimeout 1.3.6.1.2.1.4.13
ipReasmReqds 1.3.6.1.2.1.4.14
ipReasmOKs 1.3.6.1.2.1.4.15
ipReasmFails 1.3.6.1.2.1.4.16
ipFragsOKs 1.3.6.1.2.1.4.17
ipFragsFails 1.3.6.1.2.1.4.18
ipFragCreates 1.3.6.1.2.1.4.19
ipAddrTable 1.3.6.1.2.1.4.20
ipAddrEntry 1.3.6.1.2.1.4.20.1
ipAdEntAddr 1.3.6.1.2.1.4.20.1.1
ipAdEntIfIndex 1.3.6.1.2.1.4.20.1.2
ipAdEntNetMask 1.3.6.1.2.1.4.20.1.3
ipAdEntBcastAddr 1.3.6.1.2.1.4.20.1.4
ipAdEntReasmMaxSize 1.3.6.1.2.1.4.20.1.5
ICMP Group
icmpInMsgs 1.3.6.1.2.1.5.1
icmpInErrors 1.3.6.1.2.1.5.2
icmpInDestUnreachs 1.3.6.1.2.1.5.3
icmpInTimeExcds 1.3.6.1.2.1.5.4
icmpInParmProbs 1.3.6.1.2.1.5.5
icmpInSrcQuenchs 1.3.6.1.2.1.5.6
icmpInRedirects 1.3.6.1.2.1.5.7
icmpInEchos 1.3.6.1.2.1.5.8
icmpInEchoReps 1.3.6.1.2.1.5.9
icmpInTimestamps 1.3.6.1.2.1.5.10
icmpInTimestampReps 1.3.6.1.2.1.5.11
icmpInAddrMasks 1.3.6.1.2.1.5.12
icmpInAddrMaskReps 1.3.6.1.2.1.5.13
icmpOutMsgs 1.3.6.1.2.1.5.14
icmpOutErrors 1.3.6.1.2.1.5.15
icmpOutDestUnreachs 1.3.6.1.2.1.5.16
icmpOutTimeExcds 1.3.6.1.2.1.5.17
icmpOutParmProbs 1.3.6.1.2.1.5.18
icmpOutSrcQuenchs 1.3.6.1.2.1.5.19
icmpOutRedirects 1.3.6.1.2.1.5.20
icmpOutEchos 1.3.6.1.2.1.5.21
icmpOutEchoReps 1.3.6.1.2.1.5.22
icmpOutTimestamps 1.3.6.1.2.1.5.23
icmpOutTimestampReps 1.3.6.1.2.1.5.24
icmpOutAddrMasks 1.3.6.1.2.1.5.25
icmpOutAddrMaskReps 1.3.6.1.2.1.5.26
TCP Group
tcpRtoAlgorithm 1.3.6.1.2.1.6.1
tcpRtoMin 1.3.6.1.2.1.6.2
tcpRtoMax 1.3.6.1.2.1.6.3
tcpMaxConn 1.3.6.1.2.1.6.4
tcpActiveOpens 1.3.6.1.2.1.6.5
tcpPassiveOpens 1.3.6.1.2.1.6.6
tcpAttemptFails 1.3.6.1.2.1.6.7
tcpEstabResets 1.3.6.1.2.1.6.8
tcpCurrEstab 1.3.6.1.2.1.6.9
tcpInSegs 1.3.6.1.2.1.6.10
tcpOutSegs 1.3.6.1.2.1.6.11
tcpRetransSegs 1.3.6.1.2.1.6.12
tcpConnTable 1.3.6.1.2.1.6.13
tcpConnEntry 1.3.6.1.2.1.6.13.1
tcpConnState 1.3.6.1.2.1.6.13.1.1
tcpConnLocalAddress 1.3.6.1.2.1.6.13.1.2
tcpConnLocalPort 1.3.6.1.2.1.6.13.1.3
tcpConnRemAddress 1.3.6.1.2.1.6.13.1.4
tcpConnRemPort 1.3.6.1.2.1.6.13.1.5
tcpInErrs 1.3.6.1.2.1.6.14
tcpOutRsts 1.3.6.1.2.1.6.15
UDP Group
udpInDatagrams 1.3.6.1.2.1.7.1
udpNoPorts 1.3.6.1.2.1.7.2
udpInErrors 1.3.6.1.2.1.7.3
udpOutDatagrams 1.3.6.1.2.1.7.4
udpTable 1.3.6.1.2.1.7.5
udpEntry 1.3.6.1.2.1.7.5.1
udpLocalAddress 1.3.6.1.2.1.7.5.1.1
udpLocalPort 1.3.6.1.2.1.7.5.1.2
SNMP Group
snmpInPkts 1.3.6.1.2.1.11.1
snmpOutPkts 1.3.6.1.2.1.11.2
snmpInBadVersions 1.3.6.1.2.1.11.3
snmpInBadCommunityNames 1.3.6.1.2.1.11.4
snmpInBadCommunityUses 1.3.6.1.2.1.11.5
snmpInASNParseErrs 1.3.6.1.2.1.11.6
NOT USED 1.3.6.1.2.1.11.7
snmpInTooBigs 1.3.6.1.2.1.11.8
snmpInNoSuchNames 1.3.6.1.2.1.11.9
snmpInBadValues 1.3.6.1.2.1.11.10
snmpInReadOnlys 1.3.6.1.2.1.11.11
snmpInGenErrs 1.3.6.1.2.1.11.12
snmpInTotalReqVars 1.3.6.1.2.1.11.13
snmpInTotalSetVars 1.3.6.1.2.1.11.14
snmpInGetRequests 1.3.6.1.2.1.11.15
snmpInGetNexts 1.3.6.1.2.1.11.16
snmpInSetRequests 1.3.6.1.2.1.11.17
snmpInGetResponses 1.3.6.1.2.1.11.18
snmpInTraps 1.3.6.1.2.1.11.19
snmpOutTooBigs 1.3.6.1.2.1.11.20
snmpOutNoSuchNames 1.3.6.1.2.1.11.21
snmpOutBadValues 1.3.6.1.2.1.11.22
NOT USED 1.3.6.1.2.1.11.23
snmpOutGenErrs 1.3.6.1.2.1.11.24
snmpOutGetRequests 1.3.6.1.2.1.11.25
snmpOutGetNexts 1.3.6.1.2.1.11.26
snmpOutSetRequests 1.3.6.1.2.1.11.27
snmpOutGetResponses 1.3.6.1.2.1.11.28
snmpOutTraps 1.3.6.1.2.1.11.29
snmpEnableAuthenTraps 1.3.6.1.2.1.11.30
-
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linux-umountʱÌáʾdevice is busyʱ£¬ÈçºÎ²éÕÒ±»ºÎ½ø³ÌÕ¼Óã¿
2015-06-16 11:21:31
umountʱÌáʾdevice is busy£¬ÈçÏ£º
# umount /data/disk1
umount: /data/disk1: device is busy.
(In some cases useful info about processes that use
the device is found by lsof(8) or fuser(1))
Õâʱ£¬¿ÉÒÔʹÓÃfuserÃüÁîÀ´²é¿´£º
# fuser -vm /data/disk1
USER PID ACCESS COMMAND
/data/disk1: root 17330 F...m dataserver
¼´¿ÉÖªµÀÊÇpid=17330µÄdataserverÕ¼ÓÃÁ˸ÃĿ¼
Í£Ö¹¶ÔÓ¦·þÎñ£¬¼´¿Éumount³É¹¦
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LinuxÃüÁîÖ®ethtoolÓ÷¨Ïê½â-zt
2015-05-21 12:00:58
ת×Ô£ºhttp://www.linuxidc.com/Linux/2012-01/52669.htm
ÃèÊö£º
EthtoolÊÇÓÃÓÚ²éѯ¼°ÉèÖÃÍø¿¨²ÎÊýµÄÃüÁî¡£
¸ÅÒª£º
ethtool ethX //²éѯethXÍø¿Ú»ù±¾ÉèÖÃ
ethtool ¨Ch //ÏÔʾethtoolµÄÃüÁî°ïÖú(help)
ethtool ¨Ci ethX //²éѯethXÍø¿ÚµÄÏà¹ØÐÅÏ¢
ethtool ¨Cd ethX //²éѯethXÍø¿Ú×¢²áÐÔÐÅÏ¢
ethtool ¨Cr ethX //ÖØÖÃethXÍø¿Úµ½×ÔÊÊӦģʽ
ethtool ¨CS ethX //²éѯethXÍø¿ÚÊÕ·¢°üͳ¼Æ
ethtool ¨Cs ethX [speed 10|100|1000]\ //ÉèÖÃÍø¿ÚËÙÂÊ10/100/1000M
[duplex half|full]\ //ÉèÖÃÍø¿Ú°ë/È«Ë«¹¤
[autoneg on|off]\ //ÉèÖÃÍø¿ÚÊÇ·ñ×ÔÐÉÌ
[port tp|aui|bnc|mii]\ //ÉèÖÃÍø¿ÚÀàÐÍ
[phyad N]\
[xcvr internal|exteral]\
[wol p|u|m|b|a|g|s|d...]\
[sopass xx:yy:zz:aa:bb:cc]\
[msglvl N]
¾ÙÀý£º
1£©[root@linux /]# ethtool eth1
Settings for eth0:Supported ports: [ TP ]Supported link modes: 10baseT/Half 10baseT/Full100baseT/Half 100baseT/Full1000baseT/FullSupports auto-negotiation: YesAdvertised link modes: 10baseT/Half 10baseT/Full100baseT/Half 100baseT/Full1000baseT/FullAdvertised auto-negotiation: YesSpeed: 1000Mb/sDuplex: FullPort: Twisted PairPHYAD: 1Transceiver: internalAuto-negotiation: onSupports Wake-on: gWake-on: dLink detected: yes2£©[root@linux /]# ethtool -i eth1
driver: bnx2version: 2.0.8-rhfirmware-version: 6.2.12 bc 5.2.3 NCSI 2.0.11bus-info: 0000:01:00.03£©[root@linux /]# ethtool -S eth1
NIC statistics:rx_bytes: 216494818rx_error_bytes: 0tx_bytes: 27084170553tx_error_bytes: 0rx_ucast_packets: 2933822rx_mcast_packets: 33rx_bcast_packets: 956tx_ucast_packets: 18464909tx_mcast_packets: 6tx_bcast_packets: 179tx_mac_errors: 0tx_carrier_errors: 0rx_crc_errors: 0rx_align_errors: 0tx_single_collisions: 0tx_multi_collisions: 0tx_deferred: 0tx_excess_collisions: 0tx_late_collisions: 0tx_total_collisions: 0rx_fragments: 0rx_jabbers: 0rx_undersize_packets: 0rx_oversize_packets: 0rx_64_byte_packets: 959rx_65_to_127_byte_packets: 2930241rx_128_to_255_byte_packets: 2634rx_256_to_511_byte_packets: 752rx_512_to_1023_byte_packets: 169rx_1024_to_1522_byte_packets: 56rx_1523_to_9022_byte_packets: 0tx_64_byte_packets: 183tx_65_to_127_byte_packets: 357tx_128_to_255_byte_packets: 750tx_256_to_511_byte_packets: 224tx_512_to_1023_byte_packets: 991032tx_1024_to_1522_byte_packets: 17472548tx_1523_to_9022_byte_packets: 0rx_xon_frames: 0rx_xoff_frames: 0tx_xon_frames: 0tx_xoff_frames: 0rx_mac_ctrl_frames: 0rx_filtered_packets: 0rx_ftq_discards: 0rx_discards: 0rx_fw_discards: 04£©[root@linux /]# ethtool -s eth1 autoneg off speed 100 duplex full
Ïà¹Ø£º
1£©[root@linux /]# which ethtool
/sbin/ethtool
2£©[root@linux /]# rpm -qf /sbin/ethtool
ethtool-1.6-5
3£©ÔõÑùʹethtoolÉèÖÃÓÀ¾Ã±£´æÔÚÍøÂçÉ豸ÖУ¿
½â¾ö·½·¨Ò»:
ethtoolÉèÖÿÉͨ¹ý/etc/sysconfig/network-scripts/ifcfg-ethXÎļþ±£´æ,´Ó¶øÔÚÉ豸Ï´ÎÆô¶¯Ê±¼¤»îÑ¡Ïî¡£
ÀýÈ磺ethtool -s eth0 speed 100 duplex full autoneg off
´ËÖ¸Áeth0É豸ÉèÖÃΪȫ˫¹¤×ÔÊÊÓ¦£¬ËÙ¶ÈΪ100Mbs¡£ÈôÒªeth0Æô¶¯Ê±ÉèÖÃÕâЩ²ÎÊý, ÐÞ¸ÄÎļþ/etc/sysconfig/network-scripts/ifcfg-eth0 £¬Ìí¼ÓÈçÏÂÒ»ÐÐ:
ETHTOOL_OPTS="speed 100 duplex full autoneg off"
½â¾ö·½·¨¶þ:
½«ethtoolÉèÖÃдÈë/etc/rc.d/rc.localÖ®ÖС£
¶þ
½â¾ö·½·¨:
¶ÔIntelǧÕ×Íø¿¨½ûÓÃ×ÔÊÊӦʱ±ØÐëÖ¸¶¨Á´Â·ËٶȺÍÈ«Ë«¹¤Ä£Ê½¡£µ±Ê¹ÓÃethtoolÀ´½ûÓÃʹÓÃe1000Íø¿¨Çý¶¯Ä£¿éµÄÍø¿¨×ÔÊÊÓ¦ÌØÐÔʱ£¬±ØÐëͬʱָ¶¨Á´Â·ËٶȺÍÈ«Ë«¹¤¹¤×÷ģʽ¡£ÀýÈ磺 ethtool -s eth0 autoneg off
»á±ß±È×ÔÊÊÓ¦£¬µ«ÊÇÖ»ÊÇÁÙʱ½ûÓã¬Èç¹ûÔÚÃüÁîÖÐûÓÐÖ¸¶¨Á´Â·ËٶȺÍÈ«Ë«¹¤¹¤×÷ģʽ£¬Çý¶¯»á×Ô¶¯ÖØдò¿ª×ÔÊÊÓ¦¡£
ΪÁËʹÓÃethtool¹¤¾ßÀ´½ûÓÃe1000Íø¿¨Çý¶¯Ä£¿éµÄÍø¿¨×ÔÊÊÓ¦ÌØÐÔ£¬Ê¹ÓÃÒÔϲ½Öè
1. ½øÈëÖÕ¶Ëģʽ¡£ 2. ÒÔrootÉí·ÝÖ´ÐÐ ethtool -s ethx autoneg off speed 1000 duplex full
ÕâÀïethXÊÇÍø¿¨µÄÃû×Ö£¨ÀýÈçeth0»òÕßeth1µÈµÈ£©,Õâ¸öÃüÁ¹Ø±Õ¸ÃÍø¿¨µÄ×ÔÊÊÓ¦ÌØÐÔ£¬²¢ÇÒÇ¿ÖÆÉèÖÃÍø¿¨ËÙ¶ÈΪ1Gb£¬È«Ë«¹«Ä£Ê½¡£
ÁíÍâethtool±Èmii-toolÒª¸ß¼¶,mii-toolÖ»Ö§³Ö Port: MIIµÄÍø¿¨.ethtool with a single argument specifying the device name prints current setting of the specified device.
-
linux-shellÖÐÈçºÎ½øÐÐÒ»¶Î´úÂëµÄ×¢ÊÍ-zt
2015-04-30 10:35:48
ת×Ô£ºhttp://blog.csdn.net/tenfyguo/article/details/5753548
ÔÚshell±à³ÌÖУ¬ÎÒÃdz£³£ÐèÒª°ÑһЩÓï¾ä×¢Ê͵ô£¬ÈÃËü²»Ö´ÐУ¬¶Ôµ¥ºÅ»òÕßÉÙÊý¼¸ÐÐshell½Å±¾À´Ëµ£¬ÔÚÿÐÐÇ°ÃæÔö¼Ó#·ûºÅ¾Í¿ÉÒԴﵽĿµÄÁË£¬´úÂëÈçÏ£º- #cp ./a.txt ./b.txt
- #mkdir -p {1,2,4}/{2,4,6}
- #echo "ok"
µ«Èç¹ûÎÒÃÇÐèÒª¶ÔÒ»´ó¶ÎµÄshell½Å±¾½øÐÐ×¢ÊÍ£¬ÌÈÈôÎÒÃǶ¼ÔÚÿÐÐÇ°ÃæÌí¼Ó#£¬Õâ¶ÔÎÒÃÇÀ´Ëµ£¬È·Êµ²»ÊÇÒ»¼þºÜÁîÈËÊæ·þµÄÊÂÇ飬ÄÇô£¬ÔÚshellÖУ¬ÓÐû°ì·¨²ÉÓÃÀàËÆcÓïÑÔµÄ×¢ÊÍ/* ...*/À´´ïµ½Ò»Õû¶ÎµÄ×¢ÊÍЧ¹ûÄØ£¿±Ê¼Ç¾¹ý²âÊÔ£¬·¢ÏÖÏÂÃæµÄ·½·¨ÊÇokµÄ¡£
- :<<!EOF!
- cp ./a.txt ./b.txt
- mkdir -p {1,2,3}/{4,5,6}
- echo "ok"
- !EOF!
ÉõÖÁ¿ÉÒÔ°ÑҪעÊ͵ÄshellÕûÌå±ä³ÉÒ»¸öº¯ÊýÀ´´ïµ½²»ÈÃÖ´ÐеÄÄ¿µÄ¡£
- notExce(){
- cp ./a.txt ./b.txt
- mkdir -p {1,2,3}/{4,5,6}
- echo "ok"
- }
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linux-¹ØÓÚLinuxϵͳÇåÀí/tmp/Îļþ¼Ð£¬Äã¿ÉÄÜÏëÖªµÀµÄ-zt
2015-04-13 14:20:54
ת×Ô£ºhttp://www.opsers.org/base/clean-up-on-the-linux-system-tmp-folder-you-may-want-to-know.htmlÎÒÃÇÖªµÀ£¬ÔÚLinuxϵͳÖÐ/tmpÎļþ¼ÐÀïÃæµÄÎļþ»á±»Çå¿Õ£¬ÖÁÓڶ೤ʱ¼ä±»Çå¿Õ£¬ÈçºÎÇå¿ÕµÄ£¬¿ÉÄÜ´ó¼Ò֪ʶµÄ¾Í²»¶àÁË£¬ËùÒÔ£¬½ñÌìÎÒÃǾÍÀ´ÆÊÎöÒ»¸öÕâÁ½¸öÎÊÌâ¡£
ÔÚRHEL\CentOS\Fedora\ϵͳÖÐ(±¾´ÎʵÑéÊÇÔÚRHEL6ÖнøÐеÄ)
ÏÈÀ´¿´¿´tmpwatchÕâ¸öÃüÁËûµÄ×÷ÓþÍÊÇɾ³ýÒ»¶Îʱ¼äÄÚ²»Ê¹ÓõÄÎļþ£¨removes files which haven¡¯t been accessed for a period of time£©¡£¾ßÌåµÄÓ÷¨¾Í²»¶à˵ÁË£¬ÓÐÐËȤµÄ×ÔÐÐÑо¿¡£ÎÒÃÇÖ÷Òª¿´¿´ºÍÕâ¸öÃüÁîÏà¹ØµÄ¼Æ»®ÈÎÎñÎļþ¡£
Ëû¾ÍÊÇ/etc/cron.daily/tmpwatch£¬ÎÒÃÇ¿ÉÒÔ¿´Ò»ÏÂÕâ¸öÎļþÀïÃæµÄÄÚÈÝ
#! /bin/sh
flags=-umc
/usr/sbin/tmpwatch "$flags" -x /tmp/.X11-unix -x /tmp/.XIM-unix \
-x /tmp/.font-unix -x /tmp/.ICE-unix -x /tmp/.Test-unix \
-X '/tmp/hsperfdata_*' 10d /tmp
/usr/sbin/tmpwatch "$flags" 30d /var/tmp
for d in /var/{cache/man,catman}/{cat?,X11R6/cat?,local/cat?}; do
if [ -d "$d" ]; then
/usr/sbin/tmpwatch "$flags" -f 30d "$d"
fi
doneÕâ¸ö½Å±¾´ó¼Ò×Ðϸ·ÖÎöһϾÍÃ÷°×ÁË£¬µÚÒ»ÐÐÏ൱ÓÚÒ»¸ö±ê¼Ç£¨²ÎÊý£©£¬µÚ¶þÐоÍÊÇÕë¶Ô/tmpĿ¼ÀïÃæÅųýµÄĿ¼£¬µÚÈýÐУ¬ÕâÊǶÔÕâ¸ö/tmpĿ¼µÄÇåÀí£¬ÏÂÃæµÄÊÇÕë¶ÔÆäËûĿ¼µÄÇåÀí£¬¾Í²»ËµÁË¡£
ÎÒÃǾÍÀ´¿´/usr/sbin/tmpwatch "$flags" 30d /var/tmpÕâÒ»ÐУ¬¹Ø¼üµÄÊÇÕâ¸ö30d£¬¾ÍÊÇ30ÌìµÄÒâ˼£¬Õâ¸ö¾Í¾ö¶¨ÁË30ÌìÇåÀí/tmpϲ»·ÃÎʵÄÎļþ¡£Èç¹û˵£¬ÄãÏëÒ»ÌìÒ»ÇåÀíµÄ»°£¬¾Í°ÑÕâ¸ö30d¸Ä³É1d¡£Õâ¸öÄ㶮µÄ¡¡¹þ¹þ£¡
µ«ÓиöÎÊÌâÐèҪעÒ⣬Èç¹ûÄãÉèÖøü¶ÌµÄʱ¼äÀ´ÇåÀíµÄ»°£¬±ÈÈç˵ÊÇ30·ÖÖÓ¡¢10ÃëµÈµÈ£¬Äã¿ÉÒÔÔÚÕâ¸öÎļþÖÐÉèÖ㬵«Äã»á·¢ÏÖÖØеçÄÔ£¬Ëû²»ÇåÀí /tmpÎļþ¼ÐÀïÃæµÄÄÚÈÝ£¬ÕâÊÇΪʲôÄØ£¿Õâ¾ÍÊÇtmpwatchËûËùÔÚµÄλÖþö¶¨µÄ£¬ËûµÄÉϲãĿ¼ÊÇ/etc/cron.daily/£¬¶øÕâ¸öĿ¼ÊÇµÚ ÌìÖ´ÐÐÒ»´Î¼Æ»®ÈÎÎñ£¬ËùÒÔ˵£¬ÄãÉèÖÃÁ˱ÈÒ»Ìì¸ü¶ÌµÄʱ¼ä£¬Ëû¾Í²»Æð×÷ÓÃÁË¡£ÕâÏÂÃ÷°×ÁË°É¡£
ËùÒÔ½áÂÛÊÇ£ºÔÚRHEL6ÖУ¬ÏµÍ³×Ô¶¯ÇåÀí/tmpÎļþ¼ÐµÄĬÈÏʱÏÞÊÇ30ÌìÔÚDebian\UbuntuϵͳÖУ¨Ubuntu10.10ΪʵÑé»·¾³£©
ÔÚUbuntuϵͳÖУ¬ÔÚ/tmpÎļþ¼ÐÀïÃæµÄÄÚÈÝ£¬Ã¿´Î¿ª»ú¶¼»á±»Çå¿Õ£¬Èç¹û²»ÏëÈÃËû×Ô¶¯ÇåÀíµÄ»°£¬Ö»ÐèÒª¸ü¸ÄrcSÎļþÖеÄTMPTIMEµÄÖµ¡£
ÎÒÃÇ¿´ÈçºÎÀ´ÐÞ¸Ä
sudo vi /etc/default/rcS
°Ñ
TMPTIME=0
Ð޸ijÉ
TMPTIME=-1»òÕßÊÇÎÞÏÞ´ó
¸Ä³ÉÕâÑùµÄ»°£¬ÏµÍ³ÔÚÖØÐÂÆô¶¯µÄʱºò¾Í²»»áÇåÀíÄãµÄ/tmpĿ¼ÁË¡£
ÒÀЩÀàÍÆ£¬Èç¹û˵ҪÏÞÖƶàÉÙʱ¼äÀ´¸ü¸ÄµÄ»°£¬¾Í¿ÉÒԸijÉÏàÓ¦µÄÊý×Ö£¨±¾ÈËûÓвâÊÔ£¬ÎÒÊÇÕâôÀí½âµÄ£©ËùÒÔ½áÂÛÊÇ£ºÔÚUbuntuÖУ¬ÏµÍ³×Ô¶¯ÇåÀí/tmpÎļþ¼ÐµÄʱÏÞĬÈÏÿ´ÎÆô¶¯
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linux-¿ìËÙɾ³ýÎåÊ®Íò+ÎļþµÄ·½·¨
2015-04-03 14:28:54
linuxÉÏ£¬Í¨³£¶¼ÊÇÓÃrmÀ´É¾³ýÎļþ£¬µ«Í¬Ê±É¾³ýÊýÊ®Íò£¨ÈçÎåÊ®Íò£©¸öÎļþʱ£¬»áÌáʾ£º
-bash: /bin/rm: Argument list too long
Õâʱͨ³£¿¼ÂÇÓãºfind . -type f --exec rm -rf {} \;
µ«ÕâÖÖ·½Ê½É¾³ýʱ£¬ËÙ¶ÈÓй»ÂýµÄ
ʹÓÃrsync¿ÉÒÔ´ïµ½¿ìËÙɾ³ýµÄÄ¿µÄ
Àý£º
1¡¢½¨Á¢Ò»¸ö¿ÕµÄÎļþ¼Ð£º
mkdir /tmp/test
2¡¢ÓÃrsyncɾ³ýÄ¿±êĿ¼/home/testÖеÄÎļþ£º
time rsync --delete-before -a -H --stats /tmp/test/ /home/test/
ÕâÑùÎÒÃÇҪɾ³ýµÄ/home/testĿ¼¾Í»á±»Çå¿ÕÁË£¬É¾³ýµÄËٶȻá·Ç³£¿ì¡£
rsyncʵ¼ÊÉÏÓõÄÊÇÌæ»»ÔÀí£¬´¦ÀíÊýÊ®Íò¸öÎļþÒ²ÊÇÃ뼶
/home/testĿ¼ÏÂÓÐÎåÊ®Íò¸öÎļþ£¬Ê¹ÓÃtime¼Æʱ£º
# time rsync --delete-before -a -H --stats /tmp/test/ /home/test/
real 0m19.227s
user 0m1.409s
sys 0m16.316s
# time find /home/test/ -type f -exec rm -rf {} \;
real 15m54.156s
user 1m13.325s
sys 12m2.169s
µ±È»£¬Èç¹ûÎļþÊýÁ¿ÉÙ£¬¾ÍûÓбØÒªÓÃÕâÖÖ·½Ê½ÁË
Ö±½ÓÓÃrm ¸ü¿ì
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linux-sshÔ¶³Ìºǫִ́Ðнű¾-·ÅÖúǫִ́ÐÐÎÊÌâ
2015-03-16 10:44:41
дÁËÒ»¸ö¼à¿Ø¸ºÔصÄС½Å±¾£¨ËÀÑ»·£¬²âÊÔ½áÊøºóÔÙkill¶ÔÓ¦½ø³Ì£©£¬ÒòÐèÒª¼à¿Ø¶ą̀·þÎñÆ÷£¬ËùÒÔÔÚһ̨·þÎñÆ÷ÉÏʹÓÃsshͳһִÐнű¾
Óöµ½ÎÊÌ⣺
ʹÓÃssh root@172.16.146.20 '/usr/local/luly/loadavg.sh 2 2 &'Ö´ÐÐ
±¾»úûÓм´Ê±Í˳ö£¬Õ¼ÓÃsshÁ¬½Ó
±¾ÒâÊÇ·¢ËÍÃüÁîµ½Ô¶³Ì»úÖ´ÐУ¬±¾»ú·¢ËͺóÖ±½ÓÍ˳ö
³¢ÊÔ£º
1¡¢Ôö¼Ónohup£¬Ð§¹ûÏàͬ£º
ssh root@172.16.146.20 'nohup /usr/local/luly/loadavg.sh 2 2 &'
2¡¢Ôö¼ÓÍøÂçÉÏ˵µÄ-t ¡¢ -tt ²ÎÊý£¬Ò²Ã»ÓÐÓÃ
ssh -t root@172.16.146.20 '/usr/local/luly/loadavg.sh 2 2 &'
ssh -tt root@172.16.146.20 '/usr/local/luly/loadavg.sh 2 2 &'
3¡¢È¥µôÒýºÅ£¬±¾»úÒ²ÔÚºǫ́ÔËÐУ¬Õ¼ÓÃsshÁ¬½Ó£¬±ØÐëÊÖ¶¯kill²ÅÐУ¬·ÇÎÒËùÏë
ssh root@172.16.146.20 /usr/local/luly/loadavg.sh 2 2 &
×îÖÕ½â¾ö·½°¸£º
Ôö¼Ó>/dev/null 2>&1£¬±¾»ú¼´Ê±Í˳ö£¬Ã»Óнø³ÌÒÅÁô£¬Ô¶³Ìºǫִ́Ðнű¾£¬´ïµ½Ä¿µÄ
ssh root@172.16.146.20 '/usr/local/luly/loadavg.sh 2 2 >/dev/null 2>&1 &'
¼à¿Ø¸ºÔؽű¾£º
# cat loadavg.sh
#!/bin/bash
USAGE="Usage: $0 second filename"
if [ $# -ne 2 ]; then
echo $USAGE
exit 1
fi
> /tmp/monitor/loadavg/146.20_loadavg_$2.log
while [[ 1=1 ]]
do
uptime >> /tmp/monitor/loadavg/146.20_loadavg_$2.log
sleep $1
done
-
linux-ÀûÓÃiconvÅúÁ¿×ª»»GBKÎļþµ½UTF-8±àÂë·½·¨
2014-10-29 10:41:55
²é¿´Îļþ±àÂë
file -i filename
µÝ¹éת»»(°üÀ¨×ÓÎļþ¼Ð)
find default -type d -exec mkdir -p utf/{} \;
find default -type f -exec iconv -f GBK -t UTF-8 {} -o utf/{} \;
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