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Archlinux使用记录

Thu, 17 Nov 2011 12:16:00 GMT

1�Q�yaourt -Syua出错�Q?a >Pacman is currently in use, please wait
执行rm /var/lib/pacman/db.lck卛_��?br />2�Q�执行yaourt -Syua出错�Q?br />

:: The following packages should be upgraded first :
pacman
:: Do you want to cancel the current operation
:: and upgrade these packages now ? [Y / n] y

resolving dependencies
looking for inter - conflicts
error: failed to prepare transaction (could not satisfy dependencies)
:: package - query: requires pacman < 3.6

原因在于pacman4.0与yaourt冲突�Q?br />

sudo pacman -- remove yaourt
sudo pacman - key -- init
sudo pacman - S yaourt

再试��Ｏ�Q�了�?br />3�Q�无�U�上�|�设�|?br />3.1�Q�安�?br />sudo pppoe-setup按正常流�E�安装，通常dns��填server卛_��Q�表�C��动从服务器获取dns信息�?br />3.2�Q�解决频�J�掉�U�的问题
�~�辑/etc/ppp/options��lcp-echo-interval及lcp-echo-failure改大一些，如都改�ؓ30�?br />/etc/ppp/pppoe.conf中的LCP_INTERVAL、LCP_FAILURE也要像上面这栯��|��?br />3.3�Q�启�?br />sudo pppoe-start
3.4�Q�故障解�?br />如果�q�无法上�|�，则查看一下�\�?br />sudo route
如果看到最前面�?.0.0.0 ..... eth0则表�C�系�l�默认�\�׃��寏V�?br />查看tail /var/log/errors.log
可以看到�c�M��q�样的日志pppd[3046]: not replacing existing default route via 192.168.1.1�Q?br /> 创徏脚本

/etc/ppp/ip-pre-up�Q�内容如下：
#!/bin/sh
/sbin/route del default
讄���脚本为可执行chmod a+x

/etc/ppp/ip-pre-up�?br />重启

sudo pppoe-stop

sudo pppoe-start
现在应该可以上网了�?br />3.5�Q�开�����动拨号上�|?br />�~�辑/etc/rc.conf在DAEMONS中加入@adsl
4�Q�解决firefox上网�?br />�l�观察状态栏长时间looking up....
4.1�Q�在firefox中禁用ipv6卛_��

地址栏输入about:config, 然后network.dns.disableIPV6:true
另外��network.http.pipelining: true

唐新�?/a> 2011-11-17 20:16 发表评论

Tue, 03 May 2011 16:32:00 GMT

* �~�译安装
$ wget http://download.jabberd.org/jabberd14/jabberd14-1.6.1.1.tar.gz
$ tar xzvf jabberd14-1.6.1.1.tar.gz
$ cd jabberd14-1.6.1.1
修改代码以通过�~�译:
diff -r jabberd14-1.6.1.1/jabberd/lib/xmlnode.cc tmp/jabberd14-1.6.1.1/jabberd/lib/xmlnode.cc
882,884c882,884
<     const char *next_step = NULL;
<     const char *start_predicate = NULL;
<     const char *end_predicate = NULL;
---
>     char *next_step = NULL;
>     char *start_predicate = NULL;
>     char *end_predicate = NULL;
1836c1836
<         ((char*)strchr(lang, '-'))[0] = 0;
---
>         strchr(lang, '-')[0] = 0;
diff -r jabberd14-1.6.1.1/jabberd/log.cc tmp/jabberd14-1.6.1.1/jabberd/log.cc
89c89
<         pos = (char*)strchr(zone,'.');
---
>     pos = strchr(zone,'.');
diff -r jabberd14-1.6.1.1/jabberd/mio_tls.cc tmp/jabberd14-1.6.1.1/jabberd/mio_tls.cc
615c615
<         ret = gnutls_certificate_set_openpgp_key_file(current_credentials, pubfile, privfile, GNUTLS_OPENPGP_FMT_BASE64);
---
>         ret = gnutls_certificate_set_openpgp_key_file(current_credentials, pubfile, privfile);
634c634
<         ret = gnutls_certificate_set_openpgp_keyring_file(current_credentials, file, GNUTLS_OPENPGP_FMT_BASE64);
---
>         ret = gnutls_certificate_set_openpgp_keyring_file(current_credentials, file);
640a641,657
>     }
>
>     // load GnuPG trustdb
>     if (j_strcmp(xmlnode_get_localname(cur), "trustdb") == 0) {
>         char const *const file = xmlnode_get_data(cur);
>
>         if (file == NULL) {
>         log_warn(NULL, "Initializing TLS subsystem: element inside the TLS configuration, that does not contain a file-name.");
>         continue;
>         }
>
>         // load the GnuPG trustdb
>         ret = gnutls_certificate_set_openpgp_trustdb(current_credentials, file);
>         if (ret < 0) {
>         log_error(NULL, "Error loading GnuPG trustdb %s: %s", file, gnutls_strerror(ret));
>         continue;
>         }
$ ./configure && make && sudo make install # 需要用新立得安装提�C�缺��的�?br />
* 配置
** 按照mysql.sql中的注释配置数据库：
$ mysql -uroot -p
mysql> CREATE DATABASE jabber CHARACTER SET utf8;
mysql> use jabber;
mysql> grant all on jabber.* to jabber@localhost identified by 'secret';
mysql> \. mysql.sql

* �q�行
sudo jabberd -h localhost -B

* 注册用户1
telnet localhost 5222
to='localhost'
xmlns='jabber:client'
xmlns:stream='http://etherx.jabber.org/streams'>

    jack
    jack
    jack


* ��d��用户1
Empathy菜单->�~�辑->帐户->��d��Q?br />协议: Jabber
��d��ID: jack@localhost
��C��密码
密码: jack
��d��

* 注册用户2
telnet localhost 5222
to='localhost'
xmlns='jabber:client'
xmlns:stream='http://etherx.jabber.org/streams'>

    rose
    rose
    rose


* 用户1加用�?��p�M�h
Empathy菜单->聊天->��d��联系�?
帐户�Q�jack@localhost
标识�W? rose@localhost
��d��

* ��d��用户2�Q��ƈ发一个消息给用户1
telnet localhost 5222
to='localhost'
xmlns='jabber:client'
xmlns:stream='http://etherx.jabber.org/streams'>

    rose
    rose
    test

hello, jack

唐新�?/a> 2011-05-04 00:32 发表评论

linux using tips

Fri, 03 Sep 2010 07:45:00 GMT

1, top10k�l�计
grep -a AAAA *.log | awk '{if($12=1234) {print $4}}' | sort | uniq -c | sort -nr | head -10000 > ./top10k

2, shell下自动完成历史命�?br />Ctrl+r

3, tcpdump抓包
tcpdump -i eth1 tcp port <端口�?gt; and host -XX -tttt -nnnn -s 0

4, 不媄响程序运行的情况下��生core文�g
gcore pid

5�Q�测两台机器间的�|��?br />5.1�Q�未�_��验证�Q?br />机器1执行�Q?br />nc -k -l 7777 > /dev/null
机器2执行�Q?br />time dd if=/dev/zero bs=1024 count=1024000 | nc 机器1 7777
5.2�Q�精��?br />vnstat -i eth0 -tr

6�Q�windows下的zip中包含中文文件名或目录名�Ӟ��解压后�ؕ�?br />先按windows下的gbk�~�码解压�Q?br />LANG=zh_CN.GBK 7za x windows_file.zip
再�{换文件名为linux下的utf-8�~�码�Q?br />convmv -r -f cp936 -t utf8 --notest --nosmart *

7�Q�ubuntu下进入root shell�Q?br />sudo -s

8�Q�开启关闭某个端口上的网�l�通信
iptables -I -i eth0 -p --dport <端口�?gt; -j

9�Q�命令输入多行文�?br />cat [> file] <EOF

10�Q�替换文件中的内�?br />sed -in-place -e 's/old/new/g' test.txt

11�Q�crontab命��o执行��p�|
首先是crontab执行时的环境变量讄��得比较少�Q�确保命令不依赖环境变量�Q?br />其次如果命��o里用��C��癑ֈ��P��需要�{义：`date --date="3 days ago" "+\%Y\%m\%d"`

唐新�?/a> 2010-09-03 15:45 发表评论

ubuntu使用记录

Sun, 17 May 2009 15:26:00 GMT

Q, 怎么让它默认为经典的文本模式启动�?br />A, 修改/etc/default/grub
   GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" 改�ؓ GRUB_CMDLINE_LINUX_DEFAULT="text"
   sudo update-grub
    好了重启一下，看看效果�Q�很怀旧吧�?br />
Q�Q�虚拟机�q�网最��x��?br />A�Q�设�|�网�?为Host-Only方式�Q�这��h��拟出了一个内部局域网�Q�Host与Guests之间互通，适于做实验�?br />　讄��|�卡2为NAT方式�Q�方便访问互联网�?br />
Q�Q�firefox打开�|�页很慢�Q�状态栏上长旉��昄��Looking up ...
A�Q�禁用firefox的ipv6。地址栏上输入about:config�Q�过滤栏中输入ipv6�Q�显�C��录的Value值改为true�?br />
软�g选择
_____�c�d��__________软�g___________理由__________________________________
chm查看�E�序　　xchm 　　支持��面的查扑֊��?br />
Q�Q�手工安装nvidia驱动时显�C�：Unable to load the kernel module 'nvidia.ko'
A�Q�主要是启动时��用的内核与安装的头文件包不匹配（可能表面名称是一��L��Q�，启动旉��个旧一点的内核�?br />　　��用�pȝ��自带的显卡驱动：在文�?etc/modprobe.d/blacklist.conf 后添加两行：
　　blacklist nouveau
　　blacklist vga16fb
�Q�，配置语音朗读
A �Q�参�?a title="文章" >文章安装mbrola�Q�徏�?span style="color: #007800;">VOICE=us1
　　~/.festivalrc中加上：(set! voice_default 'voice_us1_mbrola)
　　如果adobe reader中的朗读选项被禁用，则尝试重装adobe reader�Q��ƈ安装附加的GNOME text-to-speech library�?br />Q�Q�Ibus中文输入法不能用
A�Q�系�l�菜�?>System->Administration->Language Support->Keyboard input method system: ibus
　　emacs里Ctrl+space无法�Ȁ�z�输入法:　~/.bashrc中添加LANG=zh_CN.UTF-8或LC_ALL=zh_CN.UTF-8
Q�Q�添加开机启动项
A�Q�运行gnome-session-properties
Q�Q�更新系�l�时提示/boot�I�间不��
A�Q�命令行uname -r��定内核版本�Q�打开新立得��Y件包��理器搜索linux-image�Q�将旧版本的内核选中删除�Q�以腑և��I�间�?br />

唐新�?/a> 2009-05-17 23:26 发表评论

Thu, 13 Mar 2008 08:53:00 GMT

�q�程��d��linux�pȝ��后，因�ؓ�|�络不稳定意外断开了连接，但重新登录上��d��Q�发��C��前的��d��q�在�Q�运行的�E�序也还在跑却无法再控制�Q�因此需要踢��Z��ơ登录的tty�Q�在文章Howto: Linux kill and logout users扑ֈ�了方法：
先用“who ”命令查出对应的tty名称�Q�再执行“skill -KILL tty名称”就成了�?br />不过不知道有没有办法重新以意外断开的tty��d��Q�这样以前的�E�序�q�能够正�怋�用�?br />

唐新�?/a> 2008-03-13 16:53 发表评论