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everyone,
I'm new to squid, and I can't start my squid. Here is my problem, when typing: sudo squid -N -d1 to start squid
```
2018/04/17 20:32:25| Set Current Directory to /var/spool/squid
2018/04/17 20:32:25| Starting Squid Cache version 3.5.12 for x86_64-pc-linux-gnu...
2018/04/17 20:32:25| Service Name: squid
2018/04/17 20:32:25| Process ID 8714
2018/04/17 20:32:25| Process Roles: master worker
2018/04/17 20:32:25| With 65535 file descriptors available
2018/04/17 20:32:25| Initializing IP Cache...
2018/04/17 20:32:25| DNS Socket created at [::], FD 8
2018/04/17 20:32:25| DNS Socket created at 0.0.0.0, FD 9
2018/04/17 20:32:25| Adding nameserver 100.100.2.138 from /etc/resolv.conf
2018/04/17 20:32:25| Adding nameserver 100.100.2.136 from /etc/resolv.conf
2018/04/17 20:32:25| Logfile: opening log daemon:/var/log/squid/access.log
2018/04/17 20:32:25| Logfile Daemon: opening log /var/log/squid/access.log
2018/04/17 20:32:25| Unlinkd pipe opened on FD 15
2018/04/17 20:32:25| Local cache digest enabled; rebuild/rewrite every 3600/3600 sec
2018/04/17 20:32:25| Store logging disabled
2018/04/17 20:32:25| Swap maxSize 102400 + 262144 KB, estimated 28041 objects
2018/04/17 20:32:25| Target number of buckets: 1402
2018/04/17 20:32:25| Using 8192 Store buckets
2018/04/17 20:32:25| Max Mem size: 262144 KB
2018/04/17 20:32:25| Max Swap size: 102400 KB
2018/04/17 20:32:25| Rebuilding storage in /var/spool/squid (clean log)
2018/04/17 20:32:25| Using Least Load store dir selection
2018/04/17 20:32:25| Set Current Directory to /var/spool/squid
2018/04/17 20:32:25| Finished loading MIME types and icons.
2018/04/17 20:32:25| HTCP Disabled.
2018/04/17 20:32:25| commBind: Cannot bind socket FD 19 to [::1]: (99) Cannot assign requested address
2018/04/17 20:32:25| commBind: Cannot bind socket FD 20 to [::1]: (99) Cannot assign requested address
2018/04/17 20:32:25| ERROR: Failed to create helper child read FD: UDP[::1]
2018/04/17 20:32:25| /var/run/squid/squid.pid: (2) No such file or directory
2018/04/17 20:32:25| WARNING: Could not write pid file
2018/04/17 20:32:25| Squid plugin modules loaded: 0
2018/04/17 20:32:25| Adaptation support is off.
2018/04/17 20:32:25| Accepting HTTP Socket connections at local=[::]:3128 remote=[::] FD 18 flags=9
2018/04/17 20:32:25| Done reading /var/spool/squid swaplog (0 entries)
2018/04/17 20:32:25| Store rebuilding is 0.00% complete
2018/04/17 20:32:25| Finished rebuilding storage from disk.
2018/04/17 20:32:25| 0 Entries scanned
2018/04/17 20:32:25| 0 Invalid entries.
2018/04/17 20:32:25| 0 With invalid flags.
2018/04/17 20:32:25| 0 Objects loaded.
2018/04/17 20:32:25| 0 Objects expired.
2018/04/17 20:32:25| 0 Objects cancelled.
2018/04/17 20:32:25| 0 Duplicate URLs purged.
2018/04/17 20:32:25| 0 Swapfile clashes avoided.
2018/04/17 20:32:25| Took 0.03 seconds ( 0.00 objects/sec).
2018/04/17 20:32:25| Beginning Validation Procedure
2018/04/17 20:32:25| Completed Validation Procedure
2018/04/17 20:32:25| Validated 0 Entries
2018/04/17 20:32:25| store_swap_size = 0.00 KB
2018/04/17 20:32:26| storeLateRelease: released 0 objects
```
My system is ubuntu16.04. My Squid version is 3.5.12 and is installed using apt-get.
Can anyone help me ?
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System: Host: rpi32 Kernel: 5.15.56-v7+ armv7l bits: 32 Console: tty 0 Distro: Raspbian GNU/Linux 11 (bullseye)
Machine: Type: ARM Device System: Raspberry Pi 3 Model B Rev 1.2 details: BCM2835 rev: a22082 serial: 000000009a5073f1
I had a working machine before the upgrade, ntp, dhcp (is actually isc-dhcpserver), dns all working.
Then upgraded the OS (to Bullseye) and could no longer connect to the rPi.
dmesg revealed that eth0 could not be connected to.
The interface was identified as enxb827eb5073f1. en = Ethernet plus MAC address.
Some research revealed that what I am seeing is called "Predictable Network Interface Names".
It said this is the new standard/approach, due to multi-interface machines not necessarily assigning the interface name at kernel boot; e.g., it could be eth0 on one boot, and eth1 during another; not good for firewalls, etc.
So I changed the following config files to get dhcp working:
/etc/default/isc-dhcp-server
/etc/network/interfaces
/etc/dhcp/dhcpd.conf
... and changed eth0 to enxb827eb5073f1.
No luck.
sudo service dhcpcd status
● dhcpcd.service - dhcpcd on all interfaces
Loaded: loaded (/lib/systemd/system/dhcpcd.service; enabled; vendor preset: enabled)
Drop-In: /etc/systemd/system/dhcpcd.service.d
└─wait.conf
Active: failed (Result: exit-code) since Fri 2022-08-19 15:04:18 AEST; 28min ago
Process: 859 ExecStart=/usr/lib/dhcpcd5/dhcpcd -q -w (code=exited, status=6)
CPU: 11ms
Aug 19 15:04:18 rpi32 systemd[1]: Starting dhcpcd on all interfaces...
Aug 19 15:04:18 rpi32 dhcpcd[859]: Not running dhcpcd because /etc/network/interfaces
Aug 19 15:04:18 rpi32 dhcpcd[859]: defines some interfaces that will use a
Aug 19 15:04:18 rpi32 dhcpcd[859]: DHCP client or static address
Aug 19 15:04:18 rpi32 systemd[1]: dhcpcd.service: Control process exited, code=exited, status=6/NOTCONFIGURED
Aug 19 15:04:18 rpi32 systemd[1]: dhcpcd.service: Failed with result 'exit-code'.
Aug 19 15:04:18 rpi32 systemd[1]: Failed to start dhcpcd on all interfaces.
and
dhcpd -t /etc/dhcp/dhcpd.conf
/etc/dhcp/dhcpd.conf: interface name too long (is 20)
Researching this topic pointed to incorrect dhcpd config, pointing to udev rules, and I do not understand, and from what I could see, did not contain interface reference.
I read here: https://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames/ that this naming scheme can be reverted by adding this: net.ifnames=0 to the kernel command line (/boot/cmdline.txt).
This is what I did. I reverted all changes in the three config files listed above, plus in the cmdline.txt.
(I rebooted as required after these changes.)
and dhcpd -t /etc/dhcp/dhcpd.conf still returns:
/etc/dhcp/dhcpd.conf: interface name too long (is 20)
All services work, except dhcp (ntp is back up as well, as no changes where made here WRT eth0 changes).
Now I wonder what else I need to do to get dhcp working again.
Config files:
ifconfig -a
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.8 netmask 255.255.255.0 broadcast 192.168.1.255
ether b8:27:eb:50:73:f1 txqueuelen 1000 (Ethernet)
RX packets 14682 bytes 1148952 (1.0 MiB)
RX errors 0 dropped 3460 overruns 0 frame 0
TX packets 7079 bytes 1063400 (1.0 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
loop txqueuelen 1000 (Local Loopback)
RX packets 105 bytes 10173 (9.9 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 105 bytes 10173 (9.9 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
cat /etc/default/isc-dhcp-server
# Path to dhcpd's config file (default: /etc/dhcp/dhcpd.conf).
DHCPDv4_CONF=/etc/dhcp/dhcpd.conf
#DHCPDv6_CONF=/etc/dhcp/dhcpd6.conf
# Path to dhcpd's PID file (default: /var/run/dhcpd.pid).
DHCPDv4_PID=/var/run/dhcpd.pid
#DHCPDv6_PID=/var/run/dhcpd6.pid
#OPTIONS=""
# On what interfaces should the DHCP server (dhcpd) serve DHCP requests?
# Separate multiple interfaces with spaces, e.g. "eth0 eth1".
#INTERFACESv4="enxb827eb5073f1"
INTERFACESv4="eth0"
#INTERFACESv6=""
cat /etc/dhcpcd.conf
# A sample configuration for dhcpcd.
# Inform the DHCP server of our hostname for DDNS.
hostname
# Use the hardware address of the interface for the Client ID.
clientid
# Persist interface configuration when dhcpcd exits.
persistent
# Rapid commit support.
option rapid_commit
# A list of options to request from the DHCP server.
option domain_name_servers, domain_name, domain_search, host_name
option classless_static_routes
# Respect the network MTU. This is applied to DHCP routes.
option interface_mtu
# Most distributions have NTP support.
#option ntp_servers
# A ServerID is required by RFC2131.
require dhcp_server_identifier
# Generate SLAAC address using the Hardware Address of the interface
#slaac hwaddr
# OR generate Stable Private IPv6 Addresses based from the DUID
slaac private
cat /etc/dhcp/dhcpd.conf
# 190803-1530 installed DHCP server on rPi32
#
# 170611-1933 MaxG: changed from none to interim
#ddns-update-style none;
ddns-update-style interim;
# 170612-2300 MaxG: added based on
# https://blog.bigdinosaur.org/running-bind9-and-isc-dhcp/
ddns-updates on;
update-static-leases on;
ddns-domainname "argylecourt.lan";
ddns-rev-domainname "in-addr.arpa.";
authoritative;
# 190804-1424 MaxG: added key and 2 zones
key DHCP_UPDATER {
algorithm HMAC-MD5.SIG-ALG.REG.INT;
# Important: Replace this key with your generated key.
# Also note that the key should be surrounded by quotes.
secret "someKeyBlah";
};
zone argylecourt.lan. {
primary 127.0.0.1;
key DHCP_UPDATER;
}
zone 1.168.192.in-addr.arpa. {
primary 127.0.0.1;
key DHCP_UPDATER;
}
# 150301 MaxG - added to shut up Windows PC from clogging
# syslog with DHCPACK and DHCPINFORM msgs (WPAD)
option wpad-url code 252 = text;
# my subnet specifications
subnet 192.168.1.0 netmask 255.255.255.0 {
#interface enxb827eb5073f1;
# pool range; can have multiple ranges in this file
range 192.168.1.50 192.168.1.199;
option subnet-mask 255.255.255.0;
option routers 192.168.1.1;
ddns-domainname "argylecourt.lan";
ddns-rev-domainname "in-addr.arpa";
option broadcast-address 192.168.1.255;
option domain-name "argylecourt.lan";
option domain-name-servers 192.168.1.8;
option ntp-servers 192.168.1.8; # Default NTP server to be used by DHCP clients
default-lease-time 86400; # 1 day
max-lease-time 604800; # 7 days
option wpad-url "\n";
}
# reservations; must NOT be in pool
# sorted by assinged IP address
host maxg-x570 {
# MaxG's PC -- x570
# added 20220409-2106
hardware ethernet 04:42:1a:95:2b:37;
fixed-address 192.168.1.13;
}
host brother-mfc {
# Brother Network Printer -- BRN_368926
hardware ethernet 00:80:77:36:89:26;
fixed-address 192.168.1.33;
ddns-hostname "brothermfc8820d";
}
I ran into the same situation and was not able to tell where the mistake was.
try $ dhcpd /etc/dhcp/
this will search the whole file and will point directly where the mistake is
Well, well... how embarrassing!
The solution is simple:
sudo service isc-dhcp-server start
Start the correct service. It is not dhcp, it is isc-dhcp-server!
What I do not understand is why this service was no longer auto-starting.
Anyway, problem, or rather stupidity solved.
I hope you can help me. I can not stand having to keep restarting my ec2 instance on Amazon.
I have two wordpress sites hosted there. My sites have always worked well until two months ago, one of them started having this problem. I tried all ways pack up, and the only solution was to reconfigure.
Now that all was right with the two. The second site started the same problem. I think Amazon is clowning me.
I am using a free micro instance. If anyone knows what the problem is, please help me!
Your issue will be the limited memory that is allocated to the T1 Micro instances in EC2. I'm assuming you are using ANI Linux in this case and if an alternate version of Linux is used then you may have different locations for your log and config files.
Make sure you are the root user.
Have a look at your MySQL logs in the following location:
/var/log/mysqld.log
If you see repeated instances of the following it's pretty certain that the 0.6GB of memory allocated to the micro instance is not cutting it.
150714 22:13:33 InnoDB: Initializing buffer pool, size = 12.0M
InnoDB: mmap(12877824 bytes) failed; errno 12
150714 22:13:33 InnoDB: Completed initialization of buffer pool
150714 22:13:33 InnoDB: Fatal error: cannot allocate memory for the buffer pool
150714 22:13:33 [ERROR] Plugin 'InnoDB' init function returned error.
150714 22:13:33 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
150714 22:13:33 [ERROR] Unknown/unsupported storage engine: InnoDB
150714 22:13:33 [ERROR] Aborting
You will notice in the log excerpt above that my buffer pool size is set to 12MB. This can be configured by adding the line innodb_buffer_pool_size = 12M to your MySQL config file /etc/my.cnf.
A pretty good way to deal with InnoDB chewing up your memory is to create a swap file.
Start by checking the status of your memory:
free -m
You will most probably see that your swap is not doing much:
total used free shared buffers cached
Mem: 592 574 17 0 15 235
-/+ buffers/cache: 323 268
Swap: 0 0 0
To start ensure you are logged in as the root user and run the following command:
dd if=/dev/zero of=/swapfile bs=1M count=1024
Wait for a bit as the command is not verbose but you should see the following response after about 15 seconds when the process is complete:
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB) copied, 31.505 s, 34.1 MB/s
Next set up the swapspace with:
mkswap /swapfile
Now set up the swap event:
swapon /swapfile
If you get a permissions response you can ignore it or address the swap file by changing the permissions to 600 with the chmod command.
chmod 600 /swapfile
Now add the following line to /etc/fstab to create the swap spaces on server start:
/swapfile swap swap defaults 0 0
Restart your MySQL instance:
service mysqld restart
Finally check to see if your swap file is working correctly with the free -m command.
You should see something like:
total used free shared buffers cached
Mem: 592 575 16 0 16 235
-/+ buffers/cache: 323 269
Swap: 1023 0 1023
Hope this helps.
I installed openldap 2.4.35 from source tarball with berkeleydb 5.0.32.NC on CentSO 6.4 x86_64.
After running a few days , the ldap server shutdown unexpectedly. And here is the last log:
ber_get_next
TLS trace: SSL3 alert read:warning:close notify
52b7b798 ber_get_next on fd 13 failed errno=0 (Success)
52b7b798 conn=1023 op=70 do_unbind
52b7b798 connection_close: conn=1023 sd=13
TLS trace: SSL3 alert write:warning:close notify
52b7cbba daemon: shutdown requested and initiated.
52b7cbba slapd shutdown: waiting for 0 operations/tasks to finish
52b7cbba slapd shutdown: initiated
52b7cbba ====> bdb_cache_release_all
52b7cbba slapd destroy: freeing system resources.
52b7cbba slapd stopped.
The configuration file (slapd.conf):
include /home/ucportal/local/openldap/etc/openldap/schema/core.schema
include /home/ucportal/local/openldap/etc/openldap/schema/corba.schema
include /home/ucportal/local/openldap/etc/openldap/schema/cosine.schema
include /home/ucportal/local/openldap/etc/openldap/schema/duaconf.schema
include /home/ucportal/local/openldap/etc/openldap/schema/dyngroup.schema
include /home/ucportal/local/openldap/etc/openldap/schema/inetorgperson.schema
include /home/ucportal/local/openldap/etc/openldap/schema/java.schema
include /home/ucportal/local/openldap/etc/openldap/schema/misc.schema
include /home/ucportal/local/openldap/etc/openldap/schema/nis.schema
include /home/ucportal/local/openldap/etc/openldap/schema/openldap.schema
include /home/ucportal/local/openldap/etc/openldap/schema/ppolicy.schema
include /home/ucportal/local/openldap/etc/openldap/schema/collective.schema
include /home/ucportal/local/openldap/etc/openldap/schema/uc.schema
pidfile /home/ucportal/local/openldap/var/run/slapd.pid
argsfile /home/ucportal/local/openldap/var/run/slapd.args
loglevel 1
logfile /home/ucportal/openldap/var/log/slapd.log
database bdb
suffix "dc=ucweb,dc=com"
rootdn "cn=admin,dc=ucweb,dc=com"
rootpw 123456
directory /home/ucportal/local/openldap/var/openldap-data
index objectClass eq
index entryUUID,entryCSN eq
TLSCACertificateFile /home/ucportal/openldap/etc/openldap/cacerts/ca.crt
TLSCertificateFile /home/ucportal/openldap/etc/openldap/ldap-server.crt
TLSCertificateKeyFile /home/ucportal/openldap/etc/openldap/ldap-key.pem
Attention : I installed and run openldap with non-root user
I used this command to start ldap daemon process: slapd -f ~/openldap/etc/openldap/slapd.conf -d 1 -h 'ldaps://0.0.0.0:6361'
Any suggestions?
This is a very common issue with Open-LDAP servers, firstly I'll recommend you to migrate this question to serverfault. This will be a good practice to always run your daemons with root priviledges.
Based on my so far research I'd like to share these links with you, I hope they may help you to fix your problems.
http://www.clearfoundation.com/component/option,com_kunena/Itemid,232/catid,10/func,view/id,19945/
http://www.openldap.org/lists/openldap-software/200502/msg00268.html
Configure OpenLDAP
https://serverfault.com/questions/138286/configuring-openldap-and-ssl
http://www.openldap.org/doc/admin24/slapdconf2.html
Well, I currently use lbackup to backup files on my remote server. So I logged in with my account, which is NOT root.
And I got below errors, obviously, my account is NOT www-data.
Any suggestions?
$ ls -l /var/www/cache |grep cache
drwx------ 13 www-data www-data 4096 Jul 28 06:27 cache
Sun Jul 28 23:53:17 CST 2013
Hard Links Enabled
Synchronizing...
Creating Links
rsync: opendir "/var/www/bbs/cache" failed: Permission denied (13)
IO error encountered -- skipping file deletion
rsync: opendir "/var/www/bbs/files" failed: Permission denied (13)
rsync: opendir "/var/www/bbs/store" failed: Permission denied (13)
rsync: send_files failed to open "/var/www/bbs/config.php": Permission denied (13)
Number of files: 10048
Number of files transferred: 1919
Total file size: 202516431 bytes
Total transferred file size: 16200288 bytes
Literal data: 16200288 bytes
Matched data: 0 bytes
File list size: 242097
File list generation time: 0.002 seconds
File list transfer time: 0.000 seconds
Total bytes sent: 39231
Total bytes received: 5617302
sent 39231 bytes received 5617302 bytes 50731.24 bytes/sec
total size is 202516431 speedup is 35.80
rsync error: some files/attrs were not transferred (see previous errors) (code 23) at main.c(1536) [generator=3.0.9]
WARNING! : Data Transfer Interrupted
WARNING! : No mail configuration partner specified.
To specify a mail partner configuration file add the
following line into your backup configuration file :
mailconfigpartner=nameofyourmailpartner.conf
you have two possibilities:
a) ignore the files you cannot read (--exclude=PATTERN)
b) get read persmissions for these files, either by logging in as another user or by chmod-ing the files, whatever is appropriate
This problem is perplexing me, because I seem to be following everything within the docs that would allow for a graceful restart.
I am running uWSGI in Emperor mode, with a bunch of vassals. When I try to do a graceful restart of one of the vassals, I receive an nginx 502 Bad Gateway response for about half a second. Here's some information:
One of my vassal .ini file:
[uwsgi]
master = true
processes = 2
home = /var/www/.virtualenvs/www.mysite.com
socket = /tmp/uwsgi.sock.myapp
pidfile = /tmp/uwsgi.pid.myapp
module = myapp
pythonpath = /var/www/www.mysite.com/mysite
logto = /var/log/uwsgi/myapp.log
chmod-socket = 666
vacuum = true
gid = www-data
uid = www-data
Then, I want to gracefully restart this process:
kill -HUP `cat /tmp/uwsgi.pid.myapp`
The output from the vassal log file looks alright (I think?)
...gracefully killing workers...
Gracefully killing worker 1 (pid: 29957)...
Gracefully killing worker 2 (pid: 29958)...
binary reloading uWSGI...
chdir() to /var/www/www.mysite.com/vassals
closing all non-uwsgi socket fds > 2 (max_fd = 1024)...
found fd 3 mapped to socket 0 (/tmp/uwsgi.sock.kilroy)
running /var/www/.virtualenvs/www.mysite.com/bin/uwsgi
*** has_emperor mode detected (fd: 15) ***
[uWSGI] getting INI configuration from kilroy.ini
open("/var/log/uwsgi/kilroy.log"): Permission denied [utils.c line 250]
unlink(): Operation not permitted [uwsgi.c line 998]
*** Starting uWSGI 1.2.3 (64bit) on [Fri Jun 8 09:15:10 2012] ***
compiled with version: 4.6.3 on 01 June 2012 09:56:19
detected number of CPU cores: 2
current working directory: /var/www/www.mysite.com/vassals
writing pidfile to /tmp/uwsgi.pid.kilroy
detected binary path: /var/www/.virtualenvs/www.mysite.com/bin/uwsgi
setgid() to 33
setuid() to 33
your memory page size is 4096 bytes
detected max file descriptor number: 1024
lock engine: pthread robust mutexes
uwsgi socket 0 bound to UNIX address /tmp/uwsgi.sock.kilroy fd 3
Python version: 2.7.3 (default, Apr 20 2012, 23:04:22) [GCC 4.6.3]
Set PythonHome to /var/www/.virtualenvs/www.mysite.com
*** Python threads support is disabled. You can enable it with --enable-threads ***
Python main interpreter initialized at 0x19e3e90
your server socket listen backlog is limited to 100 connections
*** Operational MODE: preforking ***
added /var/www/www.mysite.com/gapadventures/ to pythonpath.
WSGI app 0 (mountpoint='') ready in 0 seconds on interpreter 0x19e3e90 pid: 30041 (default app)
*** uWSGI is running in multiple interpreter mode ***
spawned uWSGI master process (pid: 30041)
spawned uWSGI worker 1 (pid: 30042, cores: 1)
spawned uWSGI worker 2 (pid: 30043, cores: 1)
But when I try to access the site quickly after this, my nginx log gets this result:
2012/06/08 09:44:43 [error] 5885#0: *873 connect() to unix:///tmp/uwsgi.sock.kilroy failed (111: Connection refused) while connecting to upstream, client: 10.100.50.137, server: mydomain.com, request: "GET /favicon.ico HTTP/1.1", upstream: "uwsgi://unix:///tmp/uwsgi.sock.kilroy:", host: "mydomain.com"
This happens for about half a second after sending the signal, so this is clearly not very graceful.
Any advice? Thanks so much!
Correct sockets path in nginx config and uWSGI. Sockt have to be identical
Was
unix:///tmp/uwsgi.sock.kilroy
or
/tmp/uwsgi.sock.myapp
Need:
nginx
unix:/tmp/uwsgi.sock.myapp
and
uwsgi
socket = /tmp/uwsgi.sock.myapp