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• needing storage integrity (write/read) test - for BASH

  - by Mr. Bash

  In need of shell scripts / bash commands to verify data integrity of local harddrives, usb-drives, etc, ... Like the famous www.heise.de/download/h2testw; or something that is at least common within repositories. (h2testw writes a specific datastring over and over onto the medium, then reads it again to verify if it was written correctly and displays write/read time/speed.) please no dd if=/dev/random of=/dev/sdx bs=1k && dd if=/dev/sdx of=/dev/null bs=1k since it won't verify if everything was written correctly. It is only a test if read/write is successful to the device. So far, I'm not too happy with badblocks -w -v /dev/sdx1 either, since it seems rather slow and I don't know what it exactly writes, and if it considers wear-leveling on flash media. There is also a program named F3 http://oss.digirati.com.br/f3/ that needs to be compiled. Designed after h2testw, the concept sounds interesting, i'd just rather have it as a ready to go bash script.

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• 2 nics. 2 Defaults Gateways

  - by andre.dias

  Here is my scenario: i have this server with 2 nics, each one with different IPs, connected to differents routers. Almost everything is configured whe way i need. Traffic coming from eth0 exits using eth0, traffic coming from eth1 exits using eth1. And there is a default gateway configured. $route: default IP 0.0.0.0 UG 0 0 0 eth0 With this configuration, the traffic generated in the server is going out using eth0 (lynx www.google.com for example). The problem is: the Internet link from eth0 went down today. The traffic coming from eth1 was ok...no problem. But the traffic generated in the server was a problem...the default gateway was out...no access do the Internet anymore (no more lynx www.google.com) So i added a new default gateway configuration, pointing to eth1. For 30 minutes i kept that way...2 default gateways, but just one was "working"...and everything was working just fine. But then i removed de eth0 gateway entry because, well, 2 default gateways is kind of weird. My question: is there any problem on keeping these 2 default gateways, one for each? So i don´t need to do nothing when one link go down again? $route: default IP1 0.0.0.0 UG 0 0 0 eth0 default IP2 0.0.0.0 UG 0 0 0 eth1

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• Is it possible for root to execute a command as non-root

  - by adnan kamili

  I am root user and suppose i want to run any application as another user. is it possible, without switching to another user. Something like # google-chrome user=abc I am actually executing a cli program as a non root user. I have set the sticky bit on and i am using setuid. So the program runs with root privileges. Now i am using system() with in the program to invoke gui app. But i dont want to run it as root. so i want to temporarily drop root privileges only for that call.

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• Useful command-line aliases?

  - by MiffTheFox

  I've been wondering what command-line aliases (such as in bash, or just even .bat files under Windows) you can't live without? I'll start off with my favourite: alias q=exit

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• Squid Authentication & streaming

  - by Steve Butler

  I've got squid setup using Kerberos authentication. I'm also using squidguard as an URL redirector to block out the usual nastiness of the web. There are some sites though that we allow certain users to, and others not. This all works well, assuming I'm not using any streaming. From what i can determine from the squid logs and the wireshark traces I've done, when the initial request to stream is sent, everything is good, the authenticated username is sent with the request to squidguard. The problem is that on subsequent traffic the username is not sent to squidguard, causing it to be blocked based on default policy. I've tried using the squid built-in allow/deny stuff, but its relatively clunky, and so far squidguard has been pretty easy and fast. Here comes the question(s): How do i get Squid to pass username on all requests? (something tells me this isn't the best way) How do i get squidguard to see traffic is authenticated to a specific user even when a username isn't passed? Is there any other way of accomplishing this? A few details that may be of importance: I'm using a list of users stored in a text file for squidguard to compare against. I'm using full kerberos auth with Squid. CentOS 6.0 Squid 3.1.4 Squidguard 1.3

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• Can I completely remove the Windows DNS in favour of BIND9 in an AD network?

  - by Vinícius Ferrão

  I would like to remove the DNS feature of Windows Domain Controllers and point the DNS servers to our BIND9 servers. I know it's possible to setup coexistence but this requires a number of extra Windows DNS Servers equals to the number of Domain Controllers in the network. Active Directory expects the _msdcs zone and other things like _tcp, _udp; etc. The main question is: how to make BIND9 takes care of all this AD specific data? And with dynamic updating to make AD even more happier. Thanks, PS: Making BIND9 points to the Windows DNS Servers to resolve the Active Directory specific zones isn't an option. We already do this... EDIT: As today, I'm running without Windows DNS. I'm writing up a guide on how to do this, and I'll update this topic.

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• Change the default route without affecting existing TCP connections

  - by Patrick Horn

  Let's say I have two public network addresses on my server: one NAT through an ISP (192.168.99.0/24), and a VPN through a different ISP (192.168.1.0/24), already configured with a per-host route to the VPN server through my ISP. Here is my initial routing table. I am currently routing through my ISP on subnet 192.168.99.0/24. $ route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.99.1 0.0.0.0 UG 0 0 0 eth1 55.66.77.88 192.168.99.1 255.255.255.255 UGH 0 0 0 eth1 192.168.99.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 tap0 Now, I want new TCP connections to switch to my 192.168.1.0/24 so I type the following: $ route add -net 0.0.0.0 gw 192.168.1.1 dev tap0 When I do this, it causes some long-standing TCP connections to hang. Is there a way to I safely change the default interface for new connections, while allowing existing TCP connections to use the old route (i.e. do I need enable some sort of stateful routing table)? I am okay with a solution that only works with established TCP connections, and I don't care how hacky it is. For example, if there is a way to add temporary iptables rules for existing connections to force them over the old route. But there has to be some way to do this. EDIT: Just a note about a simple "route add -host ... " for existing connections: this solution would work if I am fine with leaving a subset of IPs on the old interface. However, in my application, this actually doesn't solve my problem because I want to allow new connections to come on the new interface even if they have the same source IP. I'm now looking at using the "ip route" command to set source-based routing rules.

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• Ubuntu, trouble getting back from lock screen

  - by Navid

  My problem is that after being idle for a while, the screen is locked and after this happened I get a black screen from which I can't get rid of. I mean after black screen comes, typing and moving mouse does not bring any new screen, and even alt+ctrl+F1 to F7 changes nothing. All I can do is to restart the system. Can anybody help me with this?

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• droid cam makefile understanding and error

  - by nerorevenge

  I tried installing the droid cam on my fedora 19 (64 bit) . Link to the droid cam application is here and whenever I try to install it , the Makefile which is as follows is invoked obj-m := v4l2loopback-dc.o all: make -C /lib/modules/`uname -r`/build M=`pwd` test: gcc test.c -o test clean: make -C /lib/modules/`uname -r`/build M=`pwd` clean insmod: sudo insmod v4l2loopback-dc.ko width=320 height=240 rmmod: sudo rmmod v4l2loopback-dc.ko and here is the error -- INSTALL: Webcam parameters: '320' and '240' -- INSTALL: Building v4l2loopback-dc.ko make -C /lib/modules/`uname -r`/build M=`pwd` make: *** /lib/modules/3.9.5-301.fc19.x86_64/build: No such file or directory. Stop. make: *** [all] Error 2 -- INSTALL: v4l2loopback-dc.ko not built.. Failure build happens to be a symbolic link.I was wondering what exactly is the makefile trying to and why is it failing?

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• Bash Script Exits su or ssh Session Rather than Script

  - by Russ

  I am using CentOS 5.4. I created a bash script that does some checking before running any commands. If the check fails, it will simply exit 0. The problem I am having is that on our server, the script will exit the su or ssh session when the exit 0 is called. #!/bin/bash # check if directory has contents and exit if none if [ -z "`ls /ebs_raid/import/*.txt 2>/dev/null`" ]; then echo "ok" exit 0 fi here is the output: [root@ip-10-251-86-31 ebs_raid]# . test.sh ok [russ@ip-10-251-86-31 ebs_raid]$ as you can see, I was removed from my sudo session, if I wasn't in the sudo session, it would have logged me out of my ssh session. I am not sure what I am doing wrong here or where to start.

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• Protect Gnome Screen Saver Settings

  - by Jared Brown

  By default in Gnome standard users can access their screensaver preferences and change settings such as the idle time and whether or not it locks the screen. I desire to set the screensaver settings as the root user for each user and only allow the root user to adjust them. What is the best (read: simplest + fool proof) way to accomplish this?

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• Machine check events logged

  - by GoldenNewby

  In /var/log/messages, this error occurred: Sep 19 13:18:15 wdc kernel: [2772302.630416] Machine check events logged Shortly there after, the entire server became unresponsive. This is in the log of the Dom0 for a Xen Server (running the latest version on Debian Squeeze). Can anyone shed some light on what this error means? Should I be ordering new hardware? Edit: Also, it seems to imply it logged something, where can I find that?

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• Best option for storage clustering

  - by sam

  I'm working on an application that requires a large amount of storage space and I want to handle storage 'in-house' (Much cheaper than, say, S3) so we will have multiple servers (Initially 4) with large amounts of storage (6TB each). The storage will need to be very flexible and configurable, each piece of data should be replicated on at least 2 servers and must be easily readable/writable from ether an API of a UNIX device/file/folder like a normal drive, I don't mind which. We must also be able to easily offload content to our HTTP CDN (Edgecast), it doesn't need to have built in HTTP support but if it doesn't I'm going to have to write something to get the files onto HTTP so they can be pulled by the CDN. I've looked at a lot of solutions including Eucalyptus Walrus OpenStack Object Storage MogileFS and some others which I can't remember All the servers will be running RHEL 6, they have 4x1.5TB drives which will be RAID1'd into a single partition. All the servers have 1GB/s connections between them and 100MB/s connections to the internet with unlimited bandwidth. They have 2x2.66ghz processors. I understand there isn't a single, perfect answer but it would be nice to get some pointers.

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• How can I use the shell to make my mp3s a Shoutcast source?

  - by ChasonDehsotel

  I'm looking to stream a directory of mp3s from my audio source (Debian server) to my Shoutcast server. The idea is to have an archive playing in the instance that someone isn't broadcasting live. I'm not sure how to continue. I started with extensive Google-ing, and was unable to come up with a solution. Evan Carroll suggested I try here. I appreciate any insight y'all may have. __ On a side note, "users with less than 100 reputation can't create new tags. The tags 'shoutcast-source shoutcast broadcasting' are new. Try using existing tags instead." -- Who can create these?

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• multicast tcpdump and subscriptions

  - by Karoly Horvath

  From the multicast howto: IP_ADD_MEMBERSHIP. Recall that you need to tell the kernel which multicast groups you are interested in. If no process is interested in a group, packets destined to it that arrive to the host are discarded. If you don't do that, you won't see those packets with tcpdump. Is it possible to subscribe to all multicast traffic so I can do a tcpdump for all existing traffic? I would think IGMP doesn't allow this, so probably not.. but maybe you can configure a switch to still send all multicast traffic. Is that possible? Is it possible to do subscription (for a specific IP) with a command line tool? (note: I know how to do this in C.. but would prefer to use an existing tool and not compile a separate program for this)

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• monit syntax error : "if 5 restarts within 5 cycles then alert"

  - by omry

  I am trying to get an alert from monit if it fails to restart a service 5 times, but I get a syntax error /etc/monit/monit.d/engine.conf:5: Error: syntax error 'alert' this is the engine.conf file: check process engine with pidfile /var/run/engine.pid group engine start program = "/etc/init.d/engine start" stop program = "/etc/init.d/engine stop" if 5 restarts within 5 cycles then alert any idea what's wrong with it?

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• Increasing file descriptor limit on Debian does not work! Help!

  - by Aco

  I am running Debian 6 and I am trying to increase the file descriptor limit but it does not want to work. This is what I have done: I edited /etc/sysctl.conf by adding fs.file-max = 64000 at the end and applied the changes using sysctl -p. I then edited /etc/security/limits.conf and added the following lines: * soft nofile 64000 and * hard nofile 64000. Now when I execute ulimit -Hn and ulimit -Sn I still see 1024. I rebooted the server and I still get the same result. What have I failed to do?

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• How do I determine the cause of a sustained spike in mysql queries/activity?

  - by mattmcmanus

  So this is more of a "I'm trying to learn about how this works" question rather than "there is a serious problem I can't figure out!" question. I'm setting up a VPS and have been tweaking and changing things here and there. I recently installed munin (like two days ago) and yesterday I noticed a significant increase in mysql activity. So now my curiosity is going crazy. How do I setup/access mysql's query log? I have about 5 databases on the server so I want to see which one is getting all the action. Is there anything else I can do to keep a better eye on what's going on? Here are the graphs. As you can tell, it's not that much activity at all but I'm just curious at the change. The sites that are on the server right now do not get a lot of traffic. It's running a couple drupal sites, only one of which is live. The live one hasn't had a spike in traffic and the last spike was 250 visitors so it's barely a spike at all.

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• GlusterFS on VMWare ESXi 5

  - by Dharmavir

  I want to build network file system on top of my VMWare ESXi based virtual nodes which are running Ubuntu 12.04 LTS. I am evalaluating options and found that GlusterFS (http://www.gluster.org/) can turn out to be a good choice. Purpose: I have about 2 dozen VM nodes with different configurations, on 2 physical nodes which has following configuration: 16 core Intel Xeon 1 TB 48 GB RAM Now as I said earlier each Physical server has about 1TB hdd and I can increase if I want additional so for now I have 2TB disk space available, these space is distributed in VM nodes I have created on which about 2 dozen VM nodes live. Now some of them being application server and mgmt server, they have plenty of free disk space which I want to utilize for some heavy storage which I can not design if I do that individually on single VM node. This way if my storage is distributed between dozens of VM nodes and about 2 or more physical nodes I have some sort of backup as well. I do not mind if data gets stored redundently but per my knowledge it might hapeen that individual VM nodes will not be able to store all of the data because complete data size for example if we take 100GB will exceed VM disk size of 70GB and then VM will also have system and program files on it. I need some suggestion that will GlusterFS be the solution for which I am looking forward to or I should go with something like hadoop? I am not too sure. But yes, I would like to utilize my free space on each VM node and while doing that if I get store data redundently I am okay because it will give me data security.

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• /var/log/secure user activity. also, httpd can not start without two users

  - by user52869

  hello, i found some strange informations in /var/log/secure file: Feb 10 02:02:04 server2364 usermod[30750]: unlock user `username1' password Feb 10 02:02:04 server2364 usermod[30811]: lock user `username2' password Feb 10 02:05:16 server2364 usermod[30992]: unlock user `username2' password Feb 10 02:05:18 server2364 usermod[31114]: unlock user `username1' password username1 and username2 are two usernames on system, that have no ability to login. for every night in 02:02h results like that are in /var/log/secure file. one more thing: files /etc/shadow, and /etc/shadow have timestamps 02:05h. what can be cause for it? next thing, if i remove those two accounts (username1 and username2), i can not start web server. can you help me with some ideas, am i hacked?

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• Missing over 100GB of Space on sda1 RHEL

  - by WifiGhost

  I have a server setup with a RAID 5 using (3) 500GB drives, 1 as a spare so unused in the RAID. So in my mind i start out with 990GB with the RAID 5 in place. When looking at DF or the built in disk space utility i only see a total of about 882GB, how can i find where the 100+GB went? How can i get it back? I've checked the RAID 5 BIOS and i see all the space. I've tried looking manually and through terminal commands with no luck. Filesystem - 1K-blocks - Used Available - Use% - Mounted on /dev/mapper/vg_web-lv_root 838084192 48368700 747153060 7% / tmpfs 12104644 592 12104052 1% /dev/shm /dev/sda1 495844 121546 348698 26% /boot /dev/mapper/vg_web-lv_home 82569904 259136 78116468 1% /home Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_web-lv_root 800G 47G 713G 7% / tmpfs 12G 592K 12G 1% /dev/shm /dev/sda1 485M 119M 341M 26% /boot /dev/mapper/vg_web-lv_home 79G 254M 75G 1% /home

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• how to enable remote access to a MySQL server on an AZURE virtual machine

  - by Rees

  I have an AZURE virtual machine with a MySQL server installed on it running ubuntu 13.04. I am trying to remote connect to the MySQL server however get the simple error "Can't connect to MySQL server on {IP}" I have already done the follow: * commented out the bind-address within the /etc/mysql/my.cnf * commented out skip-external-locking within the same my.cnf * "ufw allow mysql" * "iptables -A INPUT -i eth0 -p tcp -m tcp --dport 3306 -j ACCEPT" * setup an AZURE endpoint for mysql * "sudo netstat -lpn | grep 3306" does indeed show mysql LISTENING * "GRANT ALL ON *.* TO remote@'%' IDENTIFIED BY 'password'; * "GRANT ALL ON *.* TO remote@'localhost' IDENTIFIED BY 'password'; * "/etc/init.d/mysql restart" * I can connect via SSH tunneling, but not without it * I have spun up an identical ubuntu 13.04 server on rackspace and SUCCESSFULLY connected using the same procedures outlined here. NONE of the above works on my azure server however. I thought the creation of an endpoint would work, but no luck. Any help please? Is there something I'm missing entirely?

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• "mv: cannot stat file" in for loop

  - by F.C.

  I wanted to rename a lot of files with a pattern so I tried this for loop: $ for f in *; do mv \""$f"\" \""HouseMD-S06E${f#*Episode }"\"; done But I got this error: mv: cannot stat `"House MD Season 6 Episode 01 - Broken (Parts 1 & 2).avi"': No such file or directory So what I did was echo the mv commands to a file like this: $ for f in *; do echo mv \""$f"\" \""HouseMD-S06E${f#*Episode }"\">>mv.txt; done And the run the file with source. Any ideas why the first for didn't work and how can I fix it?

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• Pecl install ssh2, make failed

  - by user28259

  Hi! I'm trying really hard since two hours to install ssh2 with pecl... But all I get is: /bin/sh /root/ssh2-0.11.0/libtool --mode=compile cc -I. -I/root/ssh2-0.11.0 -DPHP_ATOM_INC -I/root/ssh2-0.11.0/include -I/root/ssh2-0.11.0/main -I/root/ssh2-0.11.0 -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /root/ssh2-0.11.0/ssh2.c -o ssh2.lo mkdir .libs cc -I. -I/root/ssh2-0.11.0 -DPHP_ATOM_INC -I/root/ssh2-0.11.0/include -I/root/ssh2-0.11.0/main -I/root/ssh2-0.11.0 -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /root/ssh2-0.11.0/ssh2.c -fPIC -DPIC -o .libs/ssh2.o /root/ssh2-0.11.0/ssh2.c:52: error: duplicate 'static' /root/ssh2-0.11.0/ssh2.c: In function 'zif_ssh2_methods_negotiated': /root/ssh2-0.11.0/ssh2.c:503: warning: passing argument 4 of 'add_assoc_string_ex' discards qualifiers from pointer target type /usr/include/php/Zend/zend_API.h:360: note: expected 'char *' but argument is of type 'const char *' /root/ssh2-0.11.0/ssh2.c:504: warning: passing argument 4 of 'add_assoc_string_ex' discards qualifiers from pointer target type /usr/include/php/Zend/zend_API.h:360: note: expected 'char *' but argument is of type 'const char *' /root/ssh2-0.11.0/ssh2.c:508: warning: passing argument 4 of 'add_assoc_string_ex' discards qualifiers from pointer target type /usr/include/php/Zend/zend_API.h:360: note: expected 'char *' but argument is of type 'const char *' /root/ssh2-0.11.0/ssh2.c:509: warning: passing argument 4 of 'add_assoc_string_ex' discards qualifiers from pointer target type /usr/include/php/Zend/zend_API.h:360: note: expected 'char *' but argument is of type 'const char *' /root/ssh2-0.11.0/ssh2.c:510: warning: passing argument 4 of 'add_assoc_string_ex' discards qualifiers from pointer target type /usr/include/php/Zend/zend_API.h:360: note: expected 'char *' but argument is of type 'const char *' /root/ssh2-0.11.0/ssh2.c:511: warning: passing argument 4 of 'add_assoc_string_ex' discards qualifiers from pointer target type /usr/include/php/Zend/zend_API.h:360: note: expected 'char *' but argument is of type 'const char *' /root/ssh2-0.11.0/ssh2.c:516: warning: passing argument 4 of 'add_assoc_string_ex' discards qualifiers from pointer target type /usr/include/php/Zend/zend_API.h:360: note: expected 'char *' but argument is of type 'const char *' /root/ssh2-0.11.0/ssh2.c:517: warning: passing argument 4 of 'add_assoc_string_ex' discards qualifiers from pointer target type /usr/include/php/Zend/zend_API.h:360: note: expected 'char *' but argument is of type 'const char *' /root/ssh2-0.11.0/ssh2.c:518: warning: passing argument 4 of 'add_assoc_string_ex' discards qualifiers from pointer target type /usr/include/php/Zend/zend_API.h:360: note: expected 'char *' but argument is of type 'const char *' /root/ssh2-0.11.0/ssh2.c:519: warning: passing argument 4 of 'add_assoc_string_ex' discards qualifiers from pointer target type /usr/include/php/Zend/zend_API.h:360: note: expected 'char *' but argument is of type 'const char *' /root/ssh2-0.11.0/ssh2.c: In function 'zif_ssh2_publickey_add': /root/ssh2-0.11.0/ssh2.c:1045: warning: passing argument 1 of '_efree' discards qualifiers from pointer target type /usr/include/php/Zend/zend_alloc.h:46: note: expected 'void *' but argument is of type 'const char *' /root/ssh2-0.11.0/ssh2.c: In function 'zif_ssh2_publickey_list': /root/ssh2-0.11.0/ssh2.c:1104: warning: passing argument 4 of 'add_assoc_stringl_ex' discards qualifiers from pointer target type /usr/include/php/Zend/zend_API.h:361: note: expected 'char *' but argument is of type 'const unsigned char *' /root/ssh2-0.11.0/ssh2.c:1105: warning: passing argument 4 of 'add_assoc_stringl_ex' discards qualifiers from pointer target type /usr/include/php/Zend/zend_API.h:361: note: expected 'char *' but argument is of type 'const unsigned char *' make: *** [ssh2.lo] Error 1 I looked on google a lot, I found some patches which didn't worked at all. So if you think you could help me, go ahead! Thanks!

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• FFmpeg audio dont work in converted videos

  - by Juddy Swaft

  NOTICE: when i convert videos via terminal and download them from ftp into pc the audio works fine. I use: if($ext == "avi" && $convert_avi == true) { $convert_source = _VIDEOS_DIR_PATH.$new_name; $conv_name = substr(md5($file['name'].rand(1,888)), 2, 10).".mp4"; $converted_file = _VIDEOS_DIR_PATH.$conv_name; $ffmpeg_command = 'ffmpeg -i '.$convert_source.' -acodec libmp3lame -vcodec libx264 -s 1280x720 -ar 44100 -async 44100 -r 29.970 -ac 2 -qscale 5 '.$converted_file; echo exec($ffmpeg_command); $sql = "UPDATE pm_temp SET url = '".$conv_name."' WHERE url = '".$new_name."' LIMIT 1"; $result = @mysql_query($sql); unlink($convert_source); } This code to convert avi to mp4 ffmpeg concole output: root@1tb:~# ffmpeg -i sample.avi -acodec libmp3lame -vcodec libx264 -s 1280x720 -ar 44100 -async 44100 -r 29.970 -ac 2 -qscale 5 goodsample.mp4 ffmpeg version 0.7.15, Copyright (c) 2000-2013 the FFmpeg developers built on Feb 22 2013 07:18:58 with gcc 4.4.5 configuration: --enable-libdc1394 --prefix=/usr --extra-cflags='-Wall -g ' --cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-avfilter --enable-libdirac --disable-decoder=libdirac --enable-libfreetype --enable-libschroedinger --disable-encoder=libschroedinger - s libavutil 50. 43. 0 / 50. 43. 0 libavcodec 52.123. 0 / 52.123. 0 libavformat 52.111. 0 / 52.111. 0 libavdevice 52. 5. 0 / 52. 5. 0 libavfilter 1. 80. 0 / 1. 80. 0 libswscale 0. 14. 1 / 0. 14. 1 libpostproc 51. 2. 0 / 51. 2. 0 [mp3 @ 0x191d4100] Header missing [mpeg4 @ 0x191d1dc0] Invalid and inefficient vfw-avi packed B frames detected Input #0, avi, from 'sample.avi': Metadata: encoder : VirtualDubMod 1.5.10.2 (build 2540/release) Duration: 00:01:01.81, start: 0.000000, bitrate: 1194 kb/s Stream #0.0: Video: mpeg4, yuv420p, 640x352 [PAR 1:1 DAR 20:11], 23.98 tbr, Stream #0.1: Audio: mp3, 48000 Hz, stereo, s16, 128 kb/s [buffer @ 0x191d1c80] w:640 h:352 pixfmt:yuv420p tb:1/1000000 sar:1/1 sws_param: [scale @ 0x191d6880] w:640 h:352 fmt:yuv420p -> w:1280 h:720 fmt:yuv420p flags:0 [libx264 @ 0x191ce5a0] Default settings detected, using medium profile [libx264 @ 0x191ce5a0] using SAR=45/44 [libx264 @ 0x191ce5a0] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle S [libx264 @ 0x191ce5a0] profile High, level 3.1 [libx264 @ 0x191ce5a0] 264 - core 118 - H.264/MPEG-4 AVC codec - Copyleft 2003-2 6 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_off 1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_l Output #0, mp4, to 'goodsample.mp4': Metadata: encoder : Lavf52.111.0 Stream #0.0: Video: libx264, yuv420p, 1280x720 [PAR 45:44 DAR 20:11], q=2-31 Stream #0.1: Audio: libmp3lame, 44100 Hz, stereo, s16, 64 kb/s Stream mapping: Stream #0.0 -> #0.0 Stream #0.1 -> #0.1 Press [q] to stop, [?] for help [mp3 @ 0x191d4100] Header missing Error while decoding stream #0.1 [mpeg4 @ 0x191d1dc0] Invalid and inefficient vfw-avi packed B frames detected [mp3 @ 0x191d4100] incomplete frame 9467kB time=00:01:00.32 bitrate=1285.5kbits/ Error while decoding stream #0.1 frame= 1852 fps= 20 q=29.0 Lsize= 9652kB time=00:01:01.72 bitrate=1280.9kbits video:9121kB audio:483kB global headers:0kB muxing overhead 0.499688% frame I:11 Avg QP:16.78 size: 51456 [libx264 @ 0x191ce5a0] frame P:784 Avg QP:20.81 size: 8954 [libx264 @ 0x191ce5a0] frame B:1057 Avg QP:26.06 size: 1659 [libx264 @ 0x191ce5a0] consecutive B-frames: 22.0% 3.1% 7.5% 67.4% [libx264 @ 0x191ce5a0] mb I I16..4: 31.1% 59.8% 9.1% [libx264 @ 0x191ce5a0] mb P I16..4: 1.8% 2.6% 0.2% P16..4: 24.3% 7.0% 4.0 [libx264 @ 0x191ce5a0] mb B I16..4: 0.1% 0.1% 0.0% B16..8: 22.7% 0.8% 0.2 [libx264 @ 0x191ce5a0] 8x8 transform intra:57.0% inter:72.6% [libx264 @ 0x191ce5a0] coded y,uvDC,uvAC intra: 44.4% 33.3% 10.3% inter: 7.6% 5. [libx264 @ 0x191ce5a0] i16 v,h,dc,p: 68% 14% 8% 10% [libx264 @ 0x191ce5a0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 21% 14% 27% 5% 7% 7% 6 [libx264 @ 0x191ce5a0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 28% 14% 14% 6% 10% 9% 7 [libx264 @ 0x191ce5a0] i8c dc,h,v,p: 67% 13% 17% 3% [libx264 @ 0x191ce5a0] Weighted P-Frames: Y:1.9% UV:0.4% [libx264 @ 0x191ce5a0] ref P L0: 62.2% 12.8% 10.3% 14.5% 0.2% [libx264 @ 0x191ce5a0] ref B L0: 88.1% 5.5% 6.4% [libx264 @ 0x191ce5a0] ref B L1: 95.7% 4.3% [libx264 @ 0x191ce5a0] kb/s:1209.03 I know there is couple errors tough, but i dont know hot to fix it. Also i would be very thankfull if someone can help reduce video size but is not main problem video weights as original avi but sill.

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