はてなキーワード: the networkとは
If users want to prolong battery the efficient use of the time, in addition to the quality of the charger to have the guarantee, the right skills and charging is essential, because of low quality charger or wrong charging methods would affect battery time and life cycle, the following is about to charge skills:
1. The battery before they leave the factory, manufacturers were activated processing, and the charge, so the battery are more electricity, my friends say battery charging adjustment period in accordance with the time, standby still seriously insufficient, assuming that the battery is really quality goods battery of words, this kind of circumstance should extend the setting and then 3 ~ 5 times fully charge and discharge.
2. If new phone is lithium ion battery, so before 3 ~ 5 times charging commonly known as adjustment period, should be charged more than 14 hours, in order to ensure that the fully activate lithium ion activity. The lithium ion battery no memory effects, but have very strong sui sex, should give full activated PANASONIC CGR-D220 Battery, to guarantee the use of after can reach the right performance.
3. Some automation intelligent quick charger when instructions lights change, said only full of 90%. The charger will automatically change with slow charge will batteries. Best will use after batteries, otherwise, it will shorten use time.
4. Before charging and discharging lithium battery does not need special, but will not discharge damage to the battery. As far as possible when charging at the slow ChongChongDian, reduce the way quick charge; Time don't more than 24 hours. The battery after three to five times fully recharge cycles of internal after chemical will be all "activate" to achieve the best use effect.
5. Please use the original or the reputation of the good brand charger, li-ion battery to lithium battery charger with special, and follow the instructions, otherwise, it will damage to the battery, and even dangerous.
6. Have many users often in charge still leave her cell phone, actually such will be very easy to PANASONIC CGA-S101E/1B Battery damage the service life of the mobile phone, because in charge of the process, the circuit boards of mobile phone can calorific, if this time more exotic phone, may produce instant backflow current, internal parts to mobile phone damage.
7. The battery life depends on the number repeatedly charging and discharging, so should try to avoid more battery electric charge when, this will shorten battery life. Cell phone time more than 7 days, supposed to completely discharge the cell phone battery, enough electricity before use.
8. The cell phone battery have self-discharge, need not when the nimh batteries will press the residual capacity every day, about 1% of the discharge, lithium battery every day to 0.2% ~ 0.3% discharge. In for the battery, try to use the special socket, don't will the home appliance such as the Shared and the TV charger socket.
9. Though the phones in the network coverage area, but in the cell phone charge, cell phones have been unable to accept and call. At this time, can use of the mobile phone is not transfer function, will be transferred to the mobile phone side of fixed telephone in order to prevent calls lost, this kind of method for mobile phone is not in the network coverage of the area or weak signal and temporarily unable to the applicable also.
10. Don't will be exposed to high temperature or cold PANASONIC DMW-BCG10E Battery , as the dog, should not put the phone on the car, and the sun blazed through the; Or get air conditioning room, in air conditioning to be blown continuously place. When charging, the battery is a little heat is normal, but can't let it what the high temperature "suffer". In order to avoid the happening of this kind of circumstance, had better be in charge at room temperature, and don't cover anything on the mobile phone.
11. Nickel cadmium (N iCd) before the battery must ensure that the batteries are no electricity, recharging the battery must ensure that sufficient electricity after.
12. If the cell phone battery placed too long and not use, the best maintenance department to cell phones to the application for a live processing, also can use a constant dc voltage is the voltage adjustment for 5 ~ 6 V, current 500 ~ 600 mA reverse connect battery. Note that a touch namely release, the most repeated three times can, through such treatment after another, with the original adapter to "adaptation" charge.
13. Charge is not as long as possible, to no protection circuit batteries that should stop after charging, or the battery will with fever or overheating impact performance.
14. Lithium ion battery must choose special charger, otherwise may not reach the saturated state, affect their performance. Charging completes, should avoid to place in charger on more than 12 hours or more, long-term need not when should make a battery and cell phone separation.
* AnonymousDiary を人力検索はてなの質問の補記に使うことをお許しください(質問文はこちら)。
tcpdumpでネットワーク接続を開始したときに、キャプチャする方法
OSは、Ubuntu 8.04。シェルは、bashをそれぞれ使用しております。
下記、(1)、(2)の手順で、ネットワーク接続を開始したら、
tcpdumpでパケットをキャプチャするような設定を行いました。
OSを再起動さてみたところ、正常に取得を開始してくれません。
そこで
下記、(3)、(4)の手順で試してみると、それぞれ不可思議な挙動を発見しました。
原因が分からず苦慮しております。ご教示いただけないでしょうか。
何卒、よろしくお願い致します。
#!/bin/sh
tcpdump -i eth0 -s 1500 -C 10 -w /var/log/tcpdump/tcpdump`date '+%Y%m%d%H%M%S'`.log
/etc/network/interfeces に次の1行を書き込みました。
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
# The primary network interface
auto eth0
iface eth0 inet static
address ???.???.???.???
netmask 255.255.255.0
gateway ???.???.???.???
* ???は、適当な数が割り当てられてます。
OSを再起動さてみたところ、正常に取得を開始してくれません。
そこで、(3)、(4)を試してみました。
user@server:~$ sudo /etc/init.d/networking restart
* Reconfiguring network interfaces... SIOCADDRT: File exists
Failed to bring up eth0.
user@server:~$ sudo ifconfig eth0 down
user@server:~$ sudo ifconfig eth0 up
user@server:~$ sudo /etc/init.d/networking restart
* Reconfiguring network interfaces... Received cookie: SQ_SYSTEM_SESSION=4gqai700bd5s0tdo9f0fafnbr7
tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 1500 bytes
「政府が云々かんぬん」つってる方がいますが、Twitterの#iranelection見てると政府の工作(笑)でこんなんなるかいな、と訳者は思います。
原文:http://reinikainen.co.uk/2009/06/iranelection-cyberwar-guide-for-beginners/
訳し終わったらページがAccount Suspendedになってた。これはひどい。
二次原文: Cyberwar guide for Iran elections - Boing Boing
6. Denial of Service attacks. If you don’t know what you are doing, stay out of this game. Only target those sites the legitimate Iranian bloggers are designating. Be aware that these attacks can have detrimental effects to the network the protesters are relying on. Keep monitoring their traffic to note when you should turn the taps on or off.
7. Do spread the (legitimate) word, it works! When the bloggers asked for twitter maintenance to be postponed using the #nomaintenance tag, it had the desired effect. As long as we spread good information, provide moral support to the protesters, and take our lead from the legitimate bloggers, we can make a constructive contribution.
Please remember that this is about the future of the Iranian people, while it might be exciting to get caught up in the flow of participating in a new meme, do not lose sight of what this is really about.
「増田にゃんねるβ」(http://masuda.livedoor.biz/archives/51269766.html)さんに載りました。
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