🔗 Squid on CentOS

🔗 Pre-Built Binary Packages

Squid bundles with CentOS. However there is apparently no publicly available information about where to find the packages or who is bundling them. EPEL, DAG and RPMforge repositories appear to no longer contain any files. Other sources imply that CentOS is an alias for RHEL (we know otherwise). Although, yes, the RHEL packages should work on CentOS.

🔗 Bug Reporting

http://bugs.centos.org/search.php?category=squid&sortby=last_updated&hide_status_id=-2

Eliezer: 25/Apr/2017 - I have tested CentOS 7 RPMs for squid 3.5.25 on a small scale and it seems to be stable enough for 200-300 users as a forward proxy and basic features.

🔗 NgTech CentOS/Fedora Copr hosted Repository

https://copr.fedorainfracloud.org/coprs/elicro/Squid-Cache/

🔗 Stable Repository Package (like epel-release)

To install run the command:

yum install http://ngtech.co.il/repo/centos/7/squid-repo-1-1.el7.centos.noarch.rpm -y

or

rpm -i http://ngtech.co.il/repo/centos/7/squid-repo-1-1.el7.centos.noarch.rpm

and then install squid using the command:

yum install squid

🔗 Potentially missing OS resources (libs/software)

There are couple dependencies that CentOS might need but cannot be installed by “yum install” yet..

One of the dependencies I have seen are:

“Crypt::X509” which is a perl module that is not in the basic repos of centos.

In order to install it use cpan or EPEL repositories.

# cpan
> install Crypt::X509

troubleshooting SSL: first install the libs then see what happens.

🔗 Compiling

# You will need the usual build chain
yum install -y perl gcc autoconf automake make sudo wget

# and some extra packages
yum install libxml2-devel libcap-devel

# to bootstrap and build from bzr needs also the packages
yum install libtool-ltdl-devel

The following ./configure options install Squid into the CentOS structure properly:

  --prefix=/usr
  --includedir=/usr/include
  --datadir=/usr/share
  --bindir=/usr/sbin
  --libexecdir=/usr/lib/squid
  --localstatedir=/var
  --sysconfdir=/etc/squid

🔗 Troubleshooting

🔗 Repository Mirror Script

A copy of https://gist.github.com/elico/333bff85f3df2889db7af2795f9d7898

#!/usr/bin/env bash

#  @author:       Alexandre Plennevaux
#  @description:  MIRROR DISTANT FOLDER TO LOCAL FOLDER using lftp
#  @modified:     Eliezer Croitoru to mirror remote HTTP repo
#  @url:          https://gist.github.com/pixeline/0f9f922cffb5a6bba97a

## LICENSE, 3-Clause BSD.

lockfile -r 0 /tmp/mirror-ngtech-repo.lock || exit 1

# FTP LOGIN
HOST='http://ngtech.co.il'
PORT="80"

#USER='ftpusername'
#PASSWORD='ftppassword'

# DISTANT DIRECTORY
REMOTE_DIR='/repo/'

#LOCAL DIRECTORY
LOCAL_DIR='/tmp/backups'

DOWNLOAD_SPEED="1M"

# RUNTIME!
echo
echo "Starting download ${REMOTE_DIR} from ${HOST} to ${LOCAL_DIR}"
date

#lftp -u "${USER}","${PASSWORD}" ${HOST} <<EOF
lftp ${HOST}${REMOTE_DIR} -p ${PORT} <<EOF

# the next 3 lines put you in ftpes mode. Uncomment if you are having trouble connecting.
# set ftp:ssl-force true
# set ftp:ssl-protect-data true
# set ssl:verify-certificate no
# transfer starts now...
# mirror --only-newer --use-pget-n=10 ${REMOTE_DIR} ${LOCAL_DIR};

# set download and upload speed limit.
set net:limit-total-rate ${DOWNLOAD_SPEED}:500K

# start mirroring the folder.
mirror --only-newer --parallel=10 ${REMOTE_DIR} ${LOCAL_DIR};

exit
EOF
echo
echo "Transfer finished"
rm -f /tmp/mirror-ngtech-repo.lock
date

🔗 Cern Mirror of NgTech rpository

Cern labs are mirroring NgTech repository for quite some time to http://linuxsoft.cern.ch/mirror/www1.ngtech.co.il/repo/centos/7/

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