linux squid 地址下squid启动失败怎么解决

Linux下sshd启动失败及Squid启动失败问题解决一例 - CSDN博客
Linux下sshd启动失败及Squid启动失败问题解决一例
Linux下sshd启动失败及Squid启动失败问题解决一例(SSH启动失败)休假回来,登录服务器时,提示“network refuse",怎么会?检查/etc/hosts.allow , /etc/hosts.deny 都没有问题本机和服务器IP在同一网段!#service sshd restart&& &正常#ps -aux|grep sshd&& &没有此进程#nmap -sT localhost如下,没有sshd进程,看来真的没有启动起来!Starting nmap V. 3.00 ( www.insecure.org/nmap/ )Interesting ports on localhost.localdomain (127.0.0.1):(The 1593 ports scanned but not shown below are in state: closed)Port&&&&&& State&&&&&& Service21/tcp&&&& open&&&&&&& ftp80/tcp&&&& open&&&&&&& http111/tcp&&& open&&&&&&& sunrpc443/tcp&&& open&&&&&&& https1024/tcp&& open&&&&&&& kdm1025/tcp&& open&&&&&&& NFS-or-IIS10000/tcp& open&&&&&&& snet-sensor-mgmt#tail -20 /var/log/secure发现有如下错误sshd[3266]: error: Bind to port 22 on 172.16.X.X failed: Cannot assign requested address.sshd[3266]: fatal: Cannot bind any address.sshd[2234]: error: Bind to port 22 on 172.16.X.X failed: Cannot assign requested address.sshd[2234]: fatal: Cannot bind any address.没有办法,google一下,发现没有合适的解决办法,大多建议重新安装程序,没有办法,开装#rpm -e openssh*#mount -t iso9660 /dev/cdrom /mnt/cdrom#cd /mnt/cdrom#rpm -ivh openssh*#service sshd start试用SSH登录,正常(Squid启动失败)上班有一会了,有人反映没有办法上网?晕死,怎么一上班这么多事。进入机房查看服务器,屏幕上面写着呢?Running: squid -sY &;&; /usr/local/squid/var/squid.out 2&&1/usr/local/squid/bin/RunCache[22]: 20830 Abort(coredump)Running: squid -sY &;&; /usr/local/squid/var/squid.out 2&&1 #ll /usr/local/squid/var/squid.out 正常#adsl-restart&& &以前出现这种问题,好象从启一下ADSL拨号就好了,但是此次不行。接下来查看其它日志#tail /usr/local/squid/var/squid.out 00:56:10| WARNING: Closing open FD&&& 2 00:56:10| Starting Squid Cache version 2.5.STABLE9 for i686-pc-linux-gnu... 00:56:10| Process ID 3365 00:56:10| With 1024 file descriptors available 00:56:10| Performing DNS Tests...FATAL: ipcache_init: DNS name lookup tests failed.Squid Cache (Version 2.5.STABLE9): Terminated abnormally.CPU Usage: 0.010 seconds = 0.000 user + 0.010 sysMaximum Resident Size: 0 KBPage faults with physical i/o: 276Startup: Sun Jul 22 00:59:01 CST 2007WARNING: Cannot write log file: /usr/local/squid/var/logs/cache.log/usr/local/squid/var/logs/cache.log: Permission denied&&&&&&&& messages will be sent to 'stderr'.#tail /var/log/messagesOct 29 01:39:37 adslserver squid[12521]: Starting Squid Cache version 2.5.STABLE9 for i686-pc-linux-gnu...Oct 29 01:39:37 adslserver squid[12521]: Process ID 12521Oct 29 01:39:37 adslserver squid[12521]: With 1024 file descriptors availableOct 29 01:39:37 adslserver squid[12521]: Performing DNS Tests...Oct 29 01:39:42 adslserver squid[12521]: Successful DNS name lookup tests...Oct 29 01:39:42 adslserver squid[12521]: DNS Socket created at 0.0.0.0, port 3455, FD 5Oct 29 01:39:42 adslserver squid[12521]: Adding nameserver 202.96.134.133 from squid.confOct 29 01:39:42 adslserver squid[12521]: Adding nameserver 202.96.128.68 from squid.confOct 29 01:39:43 adslserver squid[12521]: Unlinkd pipe opened on FD 10Oct 29 01:39:43 adslserver squid[12521]: Swap maxSize 8192000 KB, estimated 630153 objectsOct 29 01:39:43 adslserver squid[12521]: Target number of buckets: 31507Oct 29 01:39:43 adslserver squid[12521]: Using 32768 Store bucketsOct 29 01:39:43 adslserver squid[12521]: Max Mem& size: 32768 KBOct 29 01:39:43 adslserver squid[12521]: Max Swap size: 8192000 KBOct 29 01:39:43 adslserver squid[12521]: Local
rebuild/rewrite every
secOct 29 01:39:43 adslserver squid[12521]: Rebuilding storage in /usr/local/squid/var/cache1 (DIRTY)Oct 29 01:39:43 adslserver squid[12521]: Rebuilding storage in /usr/local/squid/var/cache2 (DIRTY)Oct 29 01:39:43 adslserver squid[12521]: Using Least Load store dir selectionOct 29 01:39:43 adslserver squid[12521]: Current Directory is /Oct 29 01:39:43 adslserver squid[12521]: Loaded Icons.Oct 29 01:39:43 adslserver squid[12521]: Accepting HTTP connections at 172.16.X.X, port 3128, FD 14.Oct 29 01:39:43 adslserver squid[12521]: Accepting ICP messages at 0.0.0.0, port 3130, FD 15.Oct 29 01:39:43 adslserver squid[12521]: Accepting SNMP messages on port 3401, FD 16.Oct 29 01:39:43 adslserver squid[12521]: WCCP Disabled.Oct 29 01:39:43 adslserver squid[12521]: Pinger socket opened on FD 18Oct 29 01:39:43 adslserver squid[12521]: Ready to serve requests.Oct 29 01:39:43 adslserver squid[12521]: diskHandleWrite: FD 9: disk write error: (28) No space left on deviceOct 29 01:39:43 adslserver squid[12521]: Write failure -- check your disk space and cache.log#df -mDISK 100%被使用了,阿门,问题出在这里了,但是奇怪的是我有设置cache_swap_log and cache_swap_high呀,cache应该会自动清的呀,不管了,先手动清了再了#rm -rf /usr/local/squid/var/cache1#rm -rf /usr/local/squid/var/cache2#mkdir /usr/local/squid/var/cache1#mkdir /usr/local/squid/var/cache2#chown -R nobody.nobody /usr/local/squid/var#su nobody -c "/usr/local/squid/sbin/squid -z"#su nobody -c "/usr/local/squid/bin/RunCache &"搞定!!!
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给主人留下些什么吧!~~
应该是你的代理缓存设置有问题,检查下配置,减少缓存。
“DISK 100%被使用了,阿门,问题出在这里了,但是奇怪的是我有设置cache_swap_log and cache_swap_high呀,cache应该会自动清的呀,不管了,先手动清了再了”
问题是一段时间之后,又100%了,我就是这样的情况,不知道什么原因。。。
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(最多只允许输入30个字)Linux(CentOS)下squid代理配置_PHP程序员,雷雪松的博客
squid是下的一款代理服务器软件,他可以共享网络 ,加快访问速度,节约通信带宽,同时防止内部主机受到攻击,限制用户访问,完善网络管理。
1、yum安装squid
12[root@Linux ~]# rpm -qa|grep squid
[root@Linux ~]# yum install squid
2、squid配置文件所在目录
1234567891011[root@Linux ~]# cd /etc/squid/
[root@Linux squid]# ls
cachemgr.conf mib.txt msntauth.conf squid.conf.default
errors mime.conf msntauth.conf.default
icons mime.conf.default squid.conf
[root@localhost-eth0001 squid]# cp squid.conf squid.conf.bak
(备份一下,这是个好习惯哦~~~)
[root@Linux squid]# ls
cachemgr.conf mib.txt msntauth.conf squid.conf.bak
errors mime.conf msntauth.conf.default squid.conf.default
icons mime.conf.default squid.conf
对于这个版本,squid.conf的编辑目录是/etc/squid和别的服务一样,启动、停止、重启服务:
1[root@Linux squid]# service squid stop/srtat/restart
也可以这样,使用脚本:
1[root@Linux squid]# /etc/init.d/squid start/stop/restart
这里有个需要注意的地方,改动squid.conf配置文件,需要重启服务才能生效。当然也可以使用这个命令来对DNS或SQUID服务重新载入配置文件:service squid reload!
3、squid.conf配置文件编辑
然后对squid.conf进行编辑:
1[root@Linux squid]# vi squid.conf
squid的所有手册内容都在这里了,写得非常详细,但不是入门的好材料,如果你学会了,高级的内容可以从这4千多行的内容中自己学习。
删除所有行,切换到命令行模式:1,$d然后回车。现在写入下列内容:
12345678910111213http_port 192.168.1.2:80
cache_mem 128 MB
cache_dir ufs /var/spool/squid 4096 16 256
cache_effective_user squid
cache_effective_group squid
dns_nameservers 192.168.1.1
cache_access_log /var/log/squid/access.log
cache_log /var/log/squid/cache.log
cache_store_log /var/log/squid/store.log
visible_hostname 192.168.1.4
cache_mgr xinyuan365@sohu.com
acl all src 0.0.0.0/0.0.0.0
http_access allow all
保存并退出,执行:
12[root@Linux squid]# service squid start
init_cache_dir /var/spool/squid... 启动 squid: [失败]
为了让squid在硬盘中缓存客户机访问internet的临时内容,在初次启动squid前。
12345678910111213141516171819202122[root@Linux squid]# squid -z
2009/10/01 17:13:15| Creating Swap Directories
[root@Linux squid]# ll /var/spool/squid/
drwxr-x--- 258 squid squid 4096 10-01 17:12 00
drwxr-x--- 258 squid squid 4096 10-01 17:12 01
drwxr-x--- 258 squid squid 4096 10-01 17:12 02
drwxr-x--- 258 squid squid 4096 10-01 17:12 03
drwxr-x--- 258 squid squid 4096 10-01 17:12 04
drwxr-x--- 258 squid squid 4096 10-01 17:12 05
drwxr-x--- 258 squid squid 4096 10-01 17:12 06
drwxr-x--- 258 squid squid 4096 10-01 17:12 07
drwxr-x--- 258 squid squid 4096 10-01 17:12 08
drwxr-x--- 258 squid squid 4096 10-01 17:12 09
drwxr-x--- 258 squid squid 4096 10-01 17:12 0A
drwxr-x--- 258 squid squid 4096 10-01 17:12 0B
drwxr-x--- 258 squid squid 4096 10-01 17:12 0C
drwxr-x--- 258 squid squid 4096 10-01 17:12 0D
drwxr-x--- 258 squid squid 4096 10-01 17:12 0E
drwxr-x--- 258 squid squid 4096 10-01 17:12 0F
-rw-r----- 1 squid squid 0 10-01 17:12 swap.state
-rw-r----- 1 squid squid 48 10-01 17:12 swap.state.new
OK,现在再启动就可以了。此外,如果你觉得squid错误提示英文不好看,你可以改成中文,方法如下:
12345678[root@Linux squid]# ls /usr/share/squid/errors/
Armenian English Hungarian Romanian Swedish
Azerbaijani Estonian Italian Russian-1251 Traditional_Chinese
Bulgarian Finnish Japanese Russian-koi8-r Turkish
Catalan French Korean Serbian Ukrainian-1251
Czech German Lithuanian Simplify_Chinese Ukrainian-koi8-u
Danish Greek Polish Slovak Ukrainian-utf8
Dutch Hebrew Portuguese Spanish
里面有个Simplify_Chinese,说明具有中文支持。接着,vi squid.conf,加入
error_directory /usr/share/squid/errors/Simplify_Chinese(注意是下划线,不是破折号哦)
保存,reload。
以下是一些squid的基本配置参数解释
http_port 192.168.1.2:80 //设置监听的IP与端口号
cache_mem 128 MB //设置内存缓冲的大小
cache_dir ufs /var/spool/squid
//设置硬盘缓冲大小
cache_effective_user squid //设置缓存的有效用户,运行前使用命令cat /etc/passwd | grep squid查看是否有这组数据,没有的话,还得新建squid用户和组,不过squid安装程序一般都给咱新建好了
cache_effective_group squid //设置缓存的有效用户组
dns_nameservers 192.168.1.1 //设置DNS服务器地址,一般可以不设置,默认使用服务器自己设置的dns
cache_access_log /var/log/squid/access.log //设置访问日志文件
cache_log /var/log/squid/cache.log //设置缓存日志文件
cache_store_log /var/log/squid/store.log //设置网页存储日志
visible_hostname liukai //设置squid主机名,填写192.168.1.2也可以
//设置管理员邮箱
acl all src 0.0.0.0/0.0.0.0 //建立一个访问控制列表
http_access allow all // 给上述访问列表授权
error_directory /usr/share/squid/errors/Simplify_Chinese //显示中文的错误信息新手园地& & & 硬件问题Linux系统管理Linux网络问题Linux环境编程Linux桌面系统国产LinuxBSD& & & BSD文档中心AIX& & & 新手入门& & & AIX文档中心& & & 资源下载& & & Power高级应用& & & IBM存储AS400Solaris& & & Solaris文档中心HP-UX& & & HP文档中心SCO UNIX& & & SCO文档中心互操作专区IRIXTru64 UNIXMac OS X门户网站运维集群和高可用服务器应用监控和防护虚拟化技术架构设计行业应用和管理服务器及硬件技术& & & 服务器资源下载云计算& & & 云计算文档中心& & & 云计算业界& & & 云计算资源下载存储备份& & & 存储文档中心& & & 存储业界& & & 存储资源下载& & & Symantec技术交流区安全技术网络技术& & & 网络技术文档中心C/C++& & & GUI编程& & & Functional编程内核源码& & & 内核问题移动开发& & & 移动开发技术资料ShellPerlJava& & & Java文档中心PHP& & & php文档中心Python& & & Python文档中心RubyCPU与编译器嵌入式开发驱动开发Web开发VoIP开发技术MySQL& & & MySQL文档中心SybaseOraclePostgreSQLDB2Informix数据仓库与数据挖掘NoSQL技术IT业界新闻与评论IT职业生涯& & & 猎头招聘IT图书与评论& & & CU技术图书大系& & & Linux书友会二手交易下载共享Linux文档专区IT培训与认证& & & 培训交流& & & 认证培训清茶斋投资理财运动地带快乐数码摄影& & & 摄影器材& & & 摄影比赛专区IT爱车族旅游天下站务交流版主会议室博客SNS站务交流区CU活动专区& & & Power活动专区& & & 拍卖交流区频道交流区
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squid不能正常启动,日志如下:
15:14:24| Starting Squid Cache version 3.3.8 for x86_64-redhat-linux-gnu...
15:14:24| Process ID 18054
15:14:24| Process Roles: master worker
15:14:24| With 16384 file descriptors available
15:14:24| Initializing IP Cache...
15:14:24| DNS Socket created at [::], FD 5
15:14:24| DNS Socket created at 0.0.0.0, FD 6
15:14:24| Adding
from /etc/resolv.conf
15:14:24| Adding
from /etc/resolv.conf
15:14:24| Adding nameserver 8.8.8.8 from /etc/resolv.conf
15:14:24| Adding nameserver 192.168.1.1 from /etc/resolv.conf
15:14:24| Logfile: opening log daemon:/var/log/squid/access.log
15:14:24| Logfile Daemon: opening log /var/log/squid/access.log
15:14:24| Unlinkd pipe opened on FD 12
15:14:24| Local
rebuild/rewrite every
15:14:24| Store logging disabled
15:14:24| Swap maxSize 102400 + 102400 KB, estimated 15753 objects
15:14:24| Target number of buckets: 787
15:14:24| Using 8192 Store buckets
15:14:24| Max Mem&&size: 102400 KB
15:14:24| Max Swap size: 102400 KB
15:14:24| Rebuilding storage in /var/spool/squid (clean log)
15:14:24| Using Least Load store dir selection
15:14:24| Set Current Directory to /var/spool/squid
15:14:24| Loaded Icons.
15:14:24| HTCP Disabled.
15:14:24| Squid plugin modules loaded: 0
15:14:24| Adaptation support is off.
15:14:24| Accepting HTTP Socket connections at local=[::]:3128 remote=[::] FD 15 flags=9
15:14:24| Done reading /var/spool/squid swaplog (0 entries)
15:14:24| Store rebuilding is 0.00% complete
15:14:24| Finished rebuilding storage from disk.
15:14:24|& && && &0 Entries scanned
15:14:24|& && && &0 Invalid entries.
15:14:24|& && && &0 With invalid flags.
15:14:24|& && && &0 Objects loaded.
15:14:24|& && && &0 Objects expired.
15:14:24|& && && &0 Objects cancelled.
15:14:24|& && && &0 Duplicate URLs purged.
15:14:24|& && && &0 Swapfile clashes avoided.
15:14:24|& &Took 0.02 seconds (&&0.00 objects/sec).
15:14:24| Beginning Validation Procedure
15:14:24|& &Completed Validation Procedure
15:14:24|& &Validated 0 Entries
15:14:24|& &store_swap_size = 0.00 KB
15:14:25| storeLateRelease: released 0 objects
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没看到错误啊,你要什么功能,配置发一下,问题现象是什么
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配置如下 :
# Recommended minimum configuration:
visible_hostname zhuaquserver1
cache_effective_user squid
cache_effective_group squid
# Example rule allowing access from your local networks.
# Adapt to list your (internal) IP networks from where browsing
# should be allowed
acl localnet src 10.0.0.0/8& & & & # RFC1918 possible internal network
acl localnet src 172.16.0.0/12& & & & # RFC1918 possible internal network
acl localnet src 192.168.0.0/16& & & & # RFC1918 possible internal network
acl SSL_ports port 443
acl Safe_ports port 80& & & & & & & & # http
acl Safe_ports port 21& & & & & & & & # ftp
acl Safe_ports port 443& & & & & & & & # https
acl Safe_ports port 70& & & & & & & & # gopher
acl Safe_ports port 210& & & & & & & & # wais
acl Safe_ports port & & & & # unregistered ports
acl Safe_ports port 280& & & & & & & & # http-mgmt
acl Safe_ports port 488& & & & & & & & # gss-http
acl Safe_ports port 591& & & & & & & & # filemaker
acl Safe_ports port 777& & & & & & & & # multiling http
acl CONNECT method CONNECT
# Recommended minimum Access Permission configuration:
# Deny requests to certain unsafe ports
#http_access deny !Safe_ports
# Deny CONNECT to other than secure SSL ports
#http_access deny CONNECT !SSL_ports
# Only allow cachemgr access from localhost
http_access allow localhost manager
http_access deny manager
# We strongly recommend the following be uncommented to protect innocent
# web applications running on the proxy server who think the only
# one who can access services on &localhost& is a local user
#http_access deny to_localhost
# INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS
# Example rule allowing access from your local networks.
# Adapt localnet in the ACL section to list your (internal) IP networks
# from where browsing should be allowed
http_access allow localnet
http_access allow localhost
# And finally deny all other access to this proxy
http_access allow all
# Squid normally listens to port 3128
http_port 3128
# Uncomment and adjust the following to add a disk cache directory.
cache_dir ufs /var/spool/squid 100 16 256
cache_mem 100 MB
cache_swap_low 90
cache_swap_high 95
# Leave coredumps in the first cache dir
coredump_dir /var/spool/squid
# Add any of your own refresh_pattern entries above these.
refresh_pattern ^ftp:& & & & & & & & 1440& & & & 20%& & & & 10080
refresh_pattern ^gopher:& & & & 1440& & & & 0%& & & & 1440
refresh_pattern -i (/cgi-bin/|\?) 0& & & & 0%& & & & 0
refresh_pattern .& & & & & & & & 0& & & & 20%& & & & 4320
chenzhiquan2000
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问题是客户端不能通过代理访问 , access.log文件为空
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本帖最后由 cryboy2001 于
09:47 编辑
acl localnet src 192.168.0.0/16& && &&&
这个一般是192.168.0.0/24
你的客户端网段是多少,按照改一下。
客户端的ie也要设置
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客户端网段是192.168.1.2-192.168.1.254
cryboy2001
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squid -k parse
改成下面一句看看
acl localnet src 192.168.1.0/24
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还是一样的。
squid -z 的结果 :
z.png (45.5 KB, 下载次数: 10)
10:34 上传
squid -k parse的结果 :
k.png (45.28 KB, 下载次数: 15)
10:32 上传
(45.28 KB, 下载次数: 13)
10:34 上传
论坛徽章:26
显示已初始化过了,
防火墙开了没,客户端设好了没
启动squid会出什么现象吗
白手起家, 积分 13, 距离下一级还需 187 积分
论坛徽章:0
谢谢楼主。已经改成apache httpd了
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转载本站内容请注明原作者名及出处Squid代理翻墙失败问题处理
作者: ygqygq2
Squid代理翻墙失败问题处理
[squid,代理]
公司香港有服务器,因此装了个Squid服务用来翻墙。今天突然有人说,翻墙不了了,此记录用于记录解决此次翻墙失败问题。
翻墙失败,像谷歌、dropbox等都不能通过代理访问。
2.处理过程
1.重现问题
使用翻墙失败的帐户,在自己电脑重现问题。
发现能访问国内像ip138(查看自己出口IP)、百度等网站,都正常,根据出口IP,确认已翻墙。
2.登录服务器用curl访问谷歌、dropbox
服务器能正常解析,能正常访问谷歌、dropbox。
2.查看日志
使用tail -f tail /var/squid/access.log实时查看客户端使用代理访问谷歌日志,看到无实时日志输出,或者日志非常少。
3.查看服务配置文件
因为在代理本机上,能正常解析和访问谷歌、dropbox,那换dns,看squid能不能正常解析和访问呢?
于是配置squid的dns,增加配置参数:
dns_nameservers 8.8.8.8
reload squid后,再次测试。发现解析和访问很快。问题解决。
其实dns可用性并不是非常的高,检查dns和切换dns的使用,可能可以解决你许久解决不了而又其名的问题。像Oracle,也是经常遇到由于dns或者解析的莫名问题。
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